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@silkyland
Created April 24, 2023 07:25
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/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page
*
* Copyright 2023 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @licend The above is the entire license notice for the
* JavaScript code in this page
*/
/******/ (() => {
// webpackBootstrap
/******/ "use strict";
/******/ var __webpack_modules__ = [
,
/* 0 */ /* 1 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.GenericCom = void 0;
var _app = __webpack_require__(2);
var _preferences = __webpack_require__(42);
var _download_manager = __webpack_require__(43);
var _genericl10n = __webpack_require__(44);
var _generic_scripting = __webpack_require__(46);
const GenericCom = {};
exports.GenericCom = GenericCom;
class GenericPreferences extends _preferences.BasePreferences {
async _writeToStorage(prefObj) {
localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
}
async _readFromStorage(prefObj) {
return JSON.parse(localStorage.getItem("pdfjs.preferences"));
}
}
class GenericExternalServices extends _app.DefaultExternalServices {
static createDownloadManager() {
return new _download_manager.DownloadManager();
}
static createPreferences() {
return new GenericPreferences();
}
static createL10n({ locale = "en-US" }) {
return new _genericl10n.GenericL10n(locale);
}
static createScripting({ sandboxBundleSrc }) {
return new _generic_scripting.GenericScripting(sandboxBundleSrc);
}
}
_app.PDFViewerApplication.externalServices = GenericExternalServices;
/***/
},
/* 2 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFViewerApplication =
exports.PDFPrintServiceFactory =
exports.DefaultExternalServices =
void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
var _app_options = __webpack_require__(5);
var _event_utils = __webpack_require__(6);
var _pdf_link_service = __webpack_require__(7);
var _webAnnotation_editor_params = __webpack_require__(8);
var _overlay_manager = __webpack_require__(9);
var _password_prompt = __webpack_require__(10);
var _webPdf_attachment_viewer = __webpack_require__(11);
var _webPdf_cursor_tools = __webpack_require__(13);
var _webPdf_document_properties = __webpack_require__(15);
var _webPdf_find_bar = __webpack_require__(16);
var _pdf_find_controller = __webpack_require__(17);
var _pdf_history = __webpack_require__(19);
var _webPdf_layer_viewer = __webpack_require__(20);
var _webPdf_outline_viewer = __webpack_require__(21);
var _webPdf_presentation_mode = __webpack_require__(22);
var _pdf_rendering_queue = __webpack_require__(23);
var _pdf_scripting_manager = __webpack_require__(24);
var _webPdf_sidebar = __webpack_require__(25);
var _webPdf_sidebar_resizer = __webpack_require__(26);
var _webPdf_thumbnail_viewer = __webpack_require__(27);
var _pdf_viewer = __webpack_require__(29);
var _webSecondary_toolbar = __webpack_require__(39);
var _webToolbar = __webpack_require__(40);
var _view_history = __webpack_require__(41);
const FORCE_PAGES_LOADED_TIMEOUT = 10000;
const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000;
const ViewOnLoad = {
UNKNOWN: -1,
PREVIOUS: 0,
INITIAL: 1,
};
const ViewerCssTheme = {
AUTOMATIC: 0,
LIGHT: 1,
DARK: 2,
};
class DefaultExternalServices {
constructor() {
throw new Error("Cannot initialize DefaultExternalServices.");
}
static updateFindControlState(data) { }
static updateFindMatchesCount(data) { }
static initPassiveLoading(callbacks) { }
static reportTelemetry(data) { }
static createDownloadManager() {
throw new Error("Not implemented: createDownloadManager");
}
static createPreferences() {
throw new Error("Not implemented: createPreferences");
}
static createL10n(options) {
throw new Error("Not implemented: createL10n");
}
static createScripting(options) {
throw new Error("Not implemented: createScripting");
}
static get supportsPinchToZoom() {
return (0, _pdfjsLib.shadow)(this, "supportsPinchToZoom", true);
}
static get supportsIntegratedFind() {
return (0, _pdfjsLib.shadow)(this, "supportsIntegratedFind", false);
}
static get supportsDocumentFonts() {
return (0, _pdfjsLib.shadow)(this, "supportsDocumentFonts", true);
}
static get supportedMouseWheelZoomModifierKeys() {
return (0, _pdfjsLib.shadow)(
this,
"supportedMouseWheelZoomModifierKeys",
{
ctrlKey: true,
metaKey: true,
}
);
}
static get isInAutomation() {
return (0, _pdfjsLib.shadow)(this, "isInAutomation", false);
}
static updateEditorStates(data) {
throw new Error("Not implemented: updateEditorStates");
}
static get canvasMaxAreaInBytes() {
return (0, _pdfjsLib.shadow)(this, "canvasMaxAreaInBytes", -1);
}
}
exports.DefaultExternalServices = DefaultExternalServices;
const PDFViewerApplication = {
initialBookmark: document.location.hash.substring(1),
_initializedCapability: (0, _pdfjsLib.createPromiseCapability)(),
appConfig: null,
pdfDocument: null,
pdfLoadingTask: null,
printService: null,
pdfViewer: null,
pdfThumbnailViewer: null,
pdfRenderingQueue: null,
pdfPresentationMode: null,
pdfDocumentProperties: null,
pdfLinkService: null,
pdfHistory: null,
pdfSidebar: null,
pdfSidebarResizer: null,
pdfOutlineViewer: null,
pdfAttachmentViewer: null,
pdfLayerViewer: null,
pdfCursorTools: null,
pdfScriptingManager: null,
store: null,
downloadManager: null,
overlayManager: null,
preferences: null,
toolbar: null,
secondaryToolbar: null,
eventBus: null,
l10n: null,
annotationEditorParams: null,
isInitialViewSet: false,
downloadComplete: false,
isViewerEmbedded: window.parent !== window,
url: "",
baseUrl: "",
_downloadUrl: "",
externalServices: DefaultExternalServices,
_boundEvents: Object.create(null),
documentInfo: null,
metadata: null,
_contentDispositionFilename: null,
_contentLength: null,
_saveInProgress: false,
_wheelUnusedTicks: 0,
_wheelUnusedFactor: 1,
_touchUnusedTicks: 0,
_touchUnusedFactor: 1,
_PDFBug: null,
_hasAnnotationEditors: false,
_title: document.title,
_printAnnotationStoragePromise: null,
_touchInfo: null,
_isCtrlKeyDown: false,
async initialize(appConfig) {
this.preferences = this.externalServices.createPreferences();
this.appConfig = appConfig;
await this._initializeOptions();
this._forceCssTheme();
await this._initializeL10n();
if (
this.isViewerEmbedded &&
_app_options.AppOptions.get("externalLinkTarget") ===
_pdf_link_service.LinkTarget.NONE
) {
_app_options.AppOptions.set(
"externalLinkTarget",
_pdf_link_service.LinkTarget.TOP
);
}
await this._initializeViewerComponents();
this.bindEvents();
this.bindWindowEvents();
const appContainer =
appConfig.appContainer || document.documentElement;
this.l10n.translate(appContainer).then(() => {
this.eventBus.dispatch("localized", {
source: this,
});
});
this._initializedCapability.resolve();
},
async _initializeOptions() {
if (_app_options.AppOptions.get("disablePreferences")) {
if (_app_options.AppOptions.get("pdfBugEnabled")) {
await this._parseHashParams();
}
return;
}
if (_app_options.AppOptions._hasUserOptions()) {
console.warn(
"_initializeOptions: The Preferences may override manually set AppOptions; " +
'please use the "disablePreferences"-option in order to prevent that.'
);
}
try {
_app_options.AppOptions.setAll(await this.preferences.getAll());
} catch (reason) {
console.error(`_initializeOptions: "${reason.message}".`);
}
if (_app_options.AppOptions.get("pdfBugEnabled")) {
await this._parseHashParams();
}
},
async _parseHashParams() {
const hash = document.location.hash.substring(1);
if (!hash) {
return;
}
const { mainContainer, viewerContainer } = this.appConfig,
params = (0, _ui_utils.parseQueryString)(hash);
if (params.get("disableworker") === "true") {
try {
await loadFakeWorker();
} catch (ex) {
console.error(`_parseHashParams: "${ex.message}".`);
}
}
if (params.has("disablerange")) {
_app_options.AppOptions.set(
"disableRange",
params.get("disablerange") === "true"
);
}
if (params.has("disablestream")) {
_app_options.AppOptions.set(
"disableStream",
params.get("disablestream") === "true"
);
}
if (params.has("disableautofetch")) {
_app_options.AppOptions.set(
"disableAutoFetch",
params.get("disableautofetch") === "true"
);
}
if (params.has("disablefontface")) {
_app_options.AppOptions.set(
"disableFontFace",
params.get("disablefontface") === "true"
);
}
if (params.has("disablehistory")) {
_app_options.AppOptions.set(
"disableHistory",
params.get("disablehistory") === "true"
);
}
if (params.has("verbosity")) {
_app_options.AppOptions.set(
"verbosity",
params.get("verbosity") | 0
);
}
if (params.has("textlayer")) {
switch (params.get("textlayer")) {
case "off":
_app_options.AppOptions.set(
"textLayerMode",
_ui_utils.TextLayerMode.DISABLE
);
break;
case "visible":
case "shadow":
case "hover":
viewerContainer.classList.add(
`textLayer-${params.get("textlayer")}`
);
try {
await loadPDFBug(this);
this._PDFBug.loadCSS();
} catch (ex) {
console.error(`_parseHashParams: "${ex.message}".`);
}
break;
}
}
if (params.has("pdfbug")) {
_app_options.AppOptions.set("pdfBug", true);
_app_options.AppOptions.set("fontExtraProperties", true);
const enabled = params.get("pdfbug").split(",");
try {
await loadPDFBug(this);
this._PDFBug.init(
{
OPS: _pdfjsLib.OPS,
},
mainContainer,
enabled
);
} catch (ex) {
console.error(`_parseHashParams: "${ex.message}".`);
}
}
if (params.has("locale")) {
_app_options.AppOptions.set("locale", params.get("locale"));
}
},
async _initializeL10n() {
this.l10n = this.externalServices.createL10n({
locale: _app_options.AppOptions.get("locale"),
});
const dir = await this.l10n.getDirection();
document.getElementsByTagName("html")[0].dir = dir;
},
_forceCssTheme() {
const cssTheme = _app_options.AppOptions.get("viewerCssTheme");
if (
cssTheme === ViewerCssTheme.AUTOMATIC ||
!Object.values(ViewerCssTheme).includes(cssTheme)
) {
return;
}
try {
const styleSheet = document.styleSheets[0];
const cssRules = styleSheet?.cssRules || [];
for (let i = 0, ii = cssRules.length; i < ii; i++) {
const rule = cssRules[i];
if (
rule instanceof CSSMediaRule &&
rule.media?.[0] === "(prefers-color-scheme: dark)"
) {
if (cssTheme === ViewerCssTheme.LIGHT) {
styleSheet.deleteRule(i);
return;
}
const darkRules =
/^@media \(prefers-color-scheme: dark\) {\n\s*([\w\s-.,:;/\\{}()]+)\n}$/.exec(
rule.cssText
);
if (darkRules?.[1]) {
styleSheet.deleteRule(i);
styleSheet.insertRule(darkRules[1], i);
}
return;
}
}
} catch (reason) {
console.error(`_forceCssTheme: "${reason?.message}".`);
}
},
async _initializeViewerComponents() {
const { appConfig, externalServices } = this;
const eventBus = externalServices.isInAutomation
? new _event_utils.AutomationEventBus()
: new _event_utils.EventBus();
this.eventBus = eventBus;
this.overlayManager = new _overlay_manager.OverlayManager();
const pdfRenderingQueue =
new _pdf_rendering_queue.PDFRenderingQueue();
pdfRenderingQueue.onIdle = this._cleanup.bind(this);
this.pdfRenderingQueue = pdfRenderingQueue;
const pdfLinkService = new _pdf_link_service.PDFLinkService({
eventBus,
externalLinkTarget:
_app_options.AppOptions.get("externalLinkTarget"),
externalLinkRel: _app_options.AppOptions.get("externalLinkRel"),
ignoreDestinationZoom: _app_options.AppOptions.get(
"ignoreDestinationZoom"
),
});
this.pdfLinkService = pdfLinkService;
const downloadManager = externalServices.createDownloadManager();
this.downloadManager = downloadManager;
const findController = new _pdf_find_controller.PDFFindController({
linkService: pdfLinkService,
eventBus,
updateMatchesCountOnProgress: true,
});
this.findController = findController;
const pdfScriptingManager =
new _pdf_scripting_manager.PDFScriptingManager({
eventBus,
sandboxBundleSrc: _app_options.AppOptions.get("sandboxBundleSrc"),
scriptingFactory: externalServices,
docPropertiesLookup: this._scriptingDocProperties.bind(this),
});
this.pdfScriptingManager = pdfScriptingManager;
const container = appConfig.mainContainer,
viewer = appConfig.viewerContainer;
const annotationEditorMode = _app_options.AppOptions.get(
"annotationEditorMode"
);
const pageColors =
_app_options.AppOptions.get("forcePageColors") ||
window.matchMedia("(forced-colors: active)").matches
? {
background: _app_options.AppOptions.get(
"pageColorsBackground"
),
foreground: _app_options.AppOptions.get(
"pageColorsForeground"
),
}
: null;
this.pdfViewer = new _pdf_viewer.PDFViewer({
container,
viewer,
eventBus,
renderingQueue: pdfRenderingQueue,
linkService: pdfLinkService,
downloadManager,
findController,
scriptingManager:
_app_options.AppOptions.get("enableScripting") &&
pdfScriptingManager,
renderer: _app_options.AppOptions.get("renderer"),
l10n: this.l10n,
textLayerMode: _app_options.AppOptions.get("textLayerMode"),
annotationMode: _app_options.AppOptions.get("annotationMode"),
annotationEditorMode,
imageResourcesPath:
_app_options.AppOptions.get("imageResourcesPath"),
enablePrintAutoRotate: _app_options.AppOptions.get(
"enablePrintAutoRotate"
),
useOnlyCssZoom: _app_options.AppOptions.get("useOnlyCssZoom"),
isOffscreenCanvasSupported: _app_options.AppOptions.get(
"isOffscreenCanvasSupported"
),
maxCanvasPixels: _app_options.AppOptions.get("maxCanvasPixels"),
enablePermissions: _app_options.AppOptions.get("enablePermissions"),
pageColors,
});
pdfRenderingQueue.setViewer(this.pdfViewer);
pdfLinkService.setViewer(this.pdfViewer);
pdfScriptingManager.setViewer(this.pdfViewer);
if (appConfig.sidebar?.thumbnailView) {
this.pdfThumbnailViewer =
new _webPdf_thumbnail_viewer.PDFThumbnailViewer({
container: appConfig.sidebar.thumbnailView,
renderingQueue: pdfRenderingQueue,
linkService: pdfLinkService,
l10n: this.l10n,
pageColors,
});
pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
}
if (
!this.isViewerEmbedded &&
!_app_options.AppOptions.get("disableHistory")
) {
this.pdfHistory = new _pdf_history.PDFHistory({
linkService: pdfLinkService,
eventBus,
});
pdfLinkService.setHistory(this.pdfHistory);
}
if (!this.supportsIntegratedFind && appConfig.findBar) {
this.findBar = new _webPdf_find_bar.PDFFindBar(
appConfig.findBar,
eventBus,
this.l10n
);
}
if (appConfig.annotationEditorParams) {
if (
annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE
) {
this.annotationEditorParams =
new _webAnnotation_editor_params.AnnotationEditorParams(
appConfig.annotationEditorParams,
eventBus
);
} else {
for (const id of ["editorModeButtons", "editorModeSeparator"]) {
document.getElementById(id)?.classList.add("hidden");
}
}
}
if (appConfig.documentProperties) {
this.pdfDocumentProperties =
new _webPdf_document_properties.PDFDocumentProperties(
appConfig.documentProperties,
this.overlayManager,
eventBus,
this.l10n,
() => {
return this._docFilename;
}
);
}
if (appConfig.secondaryToolbar?.cursorHandToolButton) {
this.pdfCursorTools = new _webPdf_cursor_tools.PDFCursorTools({
container,
eventBus,
cursorToolOnLoad: _app_options.AppOptions.get("cursorToolOnLoad"),
});
}
if (appConfig.toolbar) {
this.toolbar = new _webToolbar.Toolbar(
appConfig.toolbar,
eventBus,
this.l10n
);
}
if (appConfig.secondaryToolbar) {
this.secondaryToolbar = new _webSecondary_toolbar.SecondaryToolbar(
appConfig.secondaryToolbar,
eventBus,
this.externalServices
);
}
if (
this.supportsFullscreen &&
appConfig.secondaryToolbar?.presentationModeButton
) {
this.pdfPresentationMode =
new _webPdf_presentation_mode.PDFPresentationMode({
container,
pdfViewer: this.pdfViewer,
eventBus,
});
}
if (appConfig.passwordOverlay) {
this.passwordPrompt = new _password_prompt.PasswordPrompt(
appConfig.passwordOverlay,
this.overlayManager,
this.l10n,
this.isViewerEmbedded
);
}
if (appConfig.sidebar?.outlineView) {
this.pdfOutlineViewer = new _webPdf_outline_viewer.PDFOutlineViewer(
{
container: appConfig.sidebar.outlineView,
eventBus,
linkService: pdfLinkService,
downloadManager,
}
);
}
if (appConfig.sidebar?.attachmentsView) {
this.pdfAttachmentViewer =
new _webPdf_attachment_viewer.PDFAttachmentViewer({
container: appConfig.sidebar.attachmentsView,
eventBus,
downloadManager,
});
}
if (appConfig.sidebar?.layersView) {
this.pdfLayerViewer = new _webPdf_layer_viewer.PDFLayerViewer({
container: appConfig.sidebar.layersView,
eventBus,
l10n: this.l10n,
});
}
if (appConfig.sidebar) {
this.pdfSidebar = new _webPdf_sidebar.PDFSidebar({
elements: appConfig.sidebar,
pdfViewer: this.pdfViewer,
pdfThumbnailViewer: this.pdfThumbnailViewer,
eventBus,
l10n: this.l10n,
});
this.pdfSidebar.onToggled = this.forceRendering.bind(this);
this.pdfSidebarResizer =
new _webPdf_sidebar_resizer.PDFSidebarResizer(
appConfig.sidebarResizer,
eventBus,
this.l10n
);
}
},
run(config) {
this.initialize(config).then(webViewerInitialized);
},
get initialized() {
return this._initializedCapability.settled;
},
get initializedPromise() {
return this._initializedCapability.promise;
},
zoomIn(steps, scaleFactor) {
if (this.pdfViewer.isInPresentationMode) {
return;
}
this.pdfViewer.increaseScale({
drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"),
steps,
scaleFactor,
});
},
zoomOut(steps, scaleFactor) {
if (this.pdfViewer.isInPresentationMode) {
return;
}
this.pdfViewer.decreaseScale({
drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"),
steps,
scaleFactor,
});
},
zoomReset() {
if (this.pdfViewer.isInPresentationMode) {
return;
}
this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
},
get pagesCount() {
return this.pdfDocument ? this.pdfDocument.numPages : 0;
},
get page() {
return this.pdfViewer.currentPageNumber;
},
set page(val) {
this.pdfViewer.currentPageNumber = val;
},
get supportsPrinting() {
return PDFPrintServiceFactory.instance.supportsPrinting;
},
get supportsFullscreen() {
return (0, _pdfjsLib.shadow)(
this,
"supportsFullscreen",
document.fullscreenEnabled
);
},
get supportsPinchToZoom() {
return this.externalServices.supportsPinchToZoom;
},
get supportsIntegratedFind() {
return this.externalServices.supportsIntegratedFind;
},
get supportsDocumentFonts() {
return this.externalServices.supportsDocumentFonts;
},
get loadingBar() {
const barElement = document.getElementById("loadingBar");
const bar = barElement ? new _ui_utils.ProgressBar(barElement) : null;
return (0, _pdfjsLib.shadow)(this, "loadingBar", bar);
},
get supportedMouseWheelZoomModifierKeys() {
return this.externalServices.supportedMouseWheelZoomModifierKeys;
},
initPassiveLoading() {
throw new Error("Not implemented: initPassiveLoading");
},
setTitleUsingUrl(url = "", downloadUrl = null) {
this.url = url;
this.baseUrl = url.split("#")[0];
if (downloadUrl) {
this._downloadUrl =
downloadUrl === url ? this.baseUrl : downloadUrl.split("#")[0];
}
if ((0, _pdfjsLib.isDataScheme)(url)) {
this._hideViewBookmark();
}
let title = (0, _pdfjsLib.getPdfFilenameFromUrl)(url, "");
if (!title) {
try {
title =
decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) ||
url;
} catch (ex) {
title = url;
}
}
this.setTitle(title);
},
setTitle(title = this._title) {
this._title = title;
if (this.isViewerEmbedded) {
return;
}
const editorIndicator =
this._hasAnnotationEditors && !this.pdfRenderingQueue.printing;
document.title = `${editorIndicator ? "* " : ""}${title}`;
},
get _docFilename() {
return (
this._contentDispositionFilename ||
(0, _pdfjsLib.getPdfFilenameFromUrl)(this.url)
);
},
_hideViewBookmark() {
const { secondaryToolbar } = this.appConfig;
secondaryToolbar?.viewBookmarkButton.classList.add("hidden");
if (
secondaryToolbar?.presentationModeButton.classList.contains(
"hidden"
)
) {
document
.getElementById("viewBookmarkSeparator")
?.classList.add("hidden");
}
},
async close() {
this._unblockDocumentLoadEvent();
this._hideViewBookmark();
if (!this.pdfLoadingTask) {
return;
}
if (
this.pdfDocument?.annotationStorage.size > 0 &&
this._annotationStorageModified
) {
try {
await this.save();
} catch (reason) { }
}
const promises = [];
promises.push(this.pdfLoadingTask.destroy());
this.pdfLoadingTask = null;
if (this.pdfDocument) {
this.pdfDocument = null;
this.pdfThumbnailViewer?.setDocument(null);
this.pdfViewer.setDocument(null);
this.pdfLinkService.setDocument(null);
this.pdfDocumentProperties?.setDocument(null);
}
this.pdfLinkService.externalLinkEnabled = true;
this.store = null;
this.isInitialViewSet = false;
this.downloadComplete = false;
this.url = "";
this.baseUrl = "";
this._downloadUrl = "";
this.documentInfo = null;
this.metadata = null;
this._contentDispositionFilename = null;
this._contentLength = null;
this._saveInProgress = false;
this._hasAnnotationEditors = false;
promises.push(this.pdfScriptingManager.destroyPromise);
this.setTitle();
this.pdfSidebar?.reset();
this.pdfOutlineViewer?.reset();
this.pdfAttachmentViewer?.reset();
this.pdfLayerViewer?.reset();
this.pdfHistory?.reset();
this.findBar?.reset();
this.toolbar?.reset();
this.secondaryToolbar?.reset();
this._PDFBug?.cleanup();
await Promise.all(promises);
},
async open(args) {
let deprecatedArgs = false;
if (typeof args === "string") {
args = {
url: args,
};
deprecatedArgs = true;
} else if (args?.byteLength) {
args = {
data: args,
};
deprecatedArgs = true;
}
if (deprecatedArgs) {
console.error(
"The `PDFViewerApplication.open` signature was updated, please use an object instead."
);
}
if (this.pdfLoadingTask) {
await this.close();
}
const workerParams = _app_options.AppOptions.getAll(
_app_options.OptionKind.WORKER
);
Object.assign(_pdfjsLib.GlobalWorkerOptions, workerParams);
if (args.url) {
this.setTitleUsingUrl(args.originalUrl || args.url, args.url);
}
const apiParams = _app_options.AppOptions.getAll(
_app_options.OptionKind.API
);
const params = {
canvasMaxAreaInBytes: this.externalServices.canvasMaxAreaInBytes,
...apiParams,
...args,
};
const loadingTask = (0, _pdfjsLib.getDocument)(params);
this.pdfLoadingTask = loadingTask;
loadingTask.onPassword = (updateCallback, reason) => {
if (this.isViewerEmbedded) {
this._unblockDocumentLoadEvent();
}
this.pdfLinkService.externalLinkEnabled = false;
this.passwordPrompt.setUpdateCallback(updateCallback, reason);
this.passwordPrompt.open();
};
loadingTask.onProgress = ({ loaded, total }) => {
this.progress(loaded / total);
};
return loadingTask.promise.then(
(pdfDocument) => {
this.load(pdfDocument);
},
(reason) => {
if (loadingTask !== this.pdfLoadingTask) {
return undefined;
}
let key = "loading_error";
if (reason instanceof _pdfjsLib.InvalidPDFException) {
key = "invalid_file_error";
} else if (reason instanceof _pdfjsLib.MissingPDFException) {
key = "missing_file_error";
} else if (
reason instanceof _pdfjsLib.UnexpectedResponseException
) {
key = "unexpected_response_error";
}
return this.l10n.get(key).then((msg) => {
this._documentError(msg, {
message: reason?.message,
});
throw reason;
});
}
);
},
_ensureDownloadComplete() {
if (this.pdfDocument && this.downloadComplete) {
return;
}
throw new Error("PDF document not downloaded.");
},
async download() {
const url = this._downloadUrl,
filename = this._docFilename;
try {
this._ensureDownloadComplete();
const data = await this.pdfDocument.getData();
const blob = new Blob([data], {
type: "application/pdf",
});
await this.downloadManager.download(blob, url, filename);
} catch (reason) {
await this.downloadManager.downloadUrl(url, filename);
}
},
async save() {
if (this._saveInProgress) {
return;
}
this._saveInProgress = true;
await this.pdfScriptingManager.dispatchWillSave();
const url = this._downloadUrl,
filename = this._docFilename;
try {
this._ensureDownloadComplete();
const data = await this.pdfDocument.saveDocument();
const blob = new Blob([data], {
type: "application/pdf",
});
await this.downloadManager.download(blob, url, filename);
} catch (reason) {
console.error(`Error when saving the document: ${reason.message}`);
await this.download();
} finally {
await this.pdfScriptingManager.dispatchDidSave();
this._saveInProgress = false;
}
if (this._hasAnnotationEditors) {
this.externalServices.reportTelemetry({
type: "editing",
data: {
type: "save",
},
});
}
},
downloadOrSave() {
if (this.pdfDocument?.annotationStorage.size > 0) {
//this.save();
this.saveExtra();
console.log("save");
} else {
// this.download();
// console.log("download");
this.saveExtra();
}
},
async saveExtra() {
if (this._saveInProgress) {
return;
}
this._saveInProgress = true;
await this.pdfScriptingManager.dispatchWillSave();
const url = this._downloadUrl,
filename = this._docFilename;
try {
this._ensureDownloadComplete();
const data = await this.pdfDocument.saveDocument();
const blob = new Blob([data], {
type: "application/pdf",
});
//await this.downloadManager.download(blob, url, filename);
await this.sendToServer(blob, filename); // upload original PDF to server
} catch (reason) {
console.error(`Error when saving the document: ${reason.message}`);
//await this.download();
} finally {
await this.pdfScriptingManager.dispatchDidSave();
this._saveInProgress = false;
}
if (this._hasAnnotationEditors) {
this.externalServices.reportTelemetry({
type: "editing",
data: {
type: "save",
},
});
}
},
sendToServer: function (blob, filename) {
if (!blob) {
console.error('No PDF file loaded.');
return;
}
const formData = new FormData();
formData.append('pdf', blob, filename);
fetch('http://localhost:3000/upload', {
method: 'POST',
body: formData,
})
.then((response) => {
if (response.ok) {
console.log('PDF file uploaded successfully.');
} else {
console.error('Upload failed:', response.statusText);
}
})
.catch((error) => {
console.error('Error during file upload:', error);
});
},
// sendToServer: function () {
// if (!this.pdfDocument) {
// console.error('No PDF file loaded.');
// return;
// }
// this.pdfDocument.getData().then((data) => {
// const formData = new FormData();
// formData.append('pdf', new Blob([data.buffer], { type: 'application/pdf' }), 'document.pdf');
// fetch('http://localhost:3000/upload', {
// method: 'POST',
// body: formData,
// })
// .then((response) => {
// if (response.ok) {
// console.log('PDF file uploaded successfully.');
// } else {
// console.error('Upload failed:', response.statusText);
// }
// })
// .catch((error) => {
// console.error('Error during file upload:', error);
// });
// });
// },
_documentError(message, moreInfo = null) {
this._unblockDocumentLoadEvent();
this._otherError(message, moreInfo);
this.eventBus.dispatch("documenterror", {
source: this,
message,
reason: moreInfo?.message ?? null,
});
},
_otherError(message, moreInfo = null) {
const moreInfoText = [
`PDF.js v${_pdfjsLib.version || "?"} (build: ${_pdfjsLib.build || "?"
})`,
];
if (moreInfo) {
moreInfoText.push(`Message: ${moreInfo.message}`);
if (moreInfo.stack) {
moreInfoText.push(`Stack: ${moreInfo.stack}`);
} else {
if (moreInfo.filename) {
moreInfoText.push(`File: ${moreInfo.filename}`);
}
if (moreInfo.lineNumber) {
moreInfoText.push(`Line: ${moreInfo.lineNumber}`);
}
}
}
console.error(`${message}\n\n${moreInfoText.join("\n")}`);
},
progress(level) {
if (!this.loadingBar || this.downloadComplete) {
return;
}
const percent = Math.round(level * 100);
if (percent <= this.loadingBar.percent) {
return;
}
this.loadingBar.percent = percent;
if (
this.pdfDocument?.loadingParams.disableAutoFetch ??
_app_options.AppOptions.get("disableAutoFetch")
) {
this.loadingBar.setDisableAutoFetch();
}
},
load(pdfDocument) {
this.pdfDocument = pdfDocument;
pdfDocument.getDownloadInfo().then(({ length }) => {
this._contentLength = length;
this.downloadComplete = true;
this.loadingBar?.hide();
firstPagePromise.then(() => {
this.eventBus.dispatch("documentloaded", {
source: this,
});
});
});
const pageLayoutPromise = pdfDocument
.getPageLayout()
.catch(function () { });
const pageModePromise = pdfDocument
.getPageMode()
.catch(function () { });
const openActionPromise = pdfDocument
.getOpenAction()
.catch(function () { });
this.toolbar?.setPagesCount(pdfDocument.numPages, false);
this.secondaryToolbar?.setPagesCount(pdfDocument.numPages);
let baseDocumentUrl;
baseDocumentUrl = null;
if (baseDocumentUrl && (0, _pdfjsLib.isDataScheme)(baseDocumentUrl)) {
baseDocumentUrl = null;
}
this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
this.pdfDocumentProperties?.setDocument(pdfDocument);
const pdfViewer = this.pdfViewer;
pdfViewer.setDocument(pdfDocument);
const { firstPagePromise, onePageRendered, pagesPromise } = pdfViewer;
this.pdfThumbnailViewer?.setDocument(pdfDocument);
const storedPromise = (this.store = new _view_history.ViewHistory(
pdfDocument.fingerprints[0]
))
.getMultiple({
page: null,
zoom: _ui_utils.DEFAULT_SCALE_VALUE,
scrollLeft: "0",
scrollTop: "0",
rotation: null,
sidebarView: _ui_utils.SidebarView.UNKNOWN,
scrollMode: _ui_utils.ScrollMode.UNKNOWN,
spreadMode: _ui_utils.SpreadMode.UNKNOWN,
})
.catch(() => {
return Object.create(null);
});
firstPagePromise.then((pdfPage) => {
this.loadingBar?.setWidth(this.appConfig.viewerContainer);
this._initializeAnnotationStorageCallbacks(pdfDocument);
Promise.all([
_ui_utils.animationStarted,
storedPromise,
pageLayoutPromise,
pageModePromise,
openActionPromise,
])
.then(
async ([
timeStamp,
stored,
pageLayout,
pageMode,
openAction,
]) => {
const viewOnLoad = _app_options.AppOptions.get("viewOnLoad");
this._initializePdfHistory({
fingerprint: pdfDocument.fingerprints[0],
viewOnLoad,
initialDest: openAction?.dest,
});
const initialBookmark = this.initialBookmark;
const zoom = _app_options.AppOptions.get("defaultZoomValue");
let hash = zoom ? `zoom=${zoom}` : null;
let rotation = null;
let sidebarView =
_app_options.AppOptions.get("sidebarViewOnLoad");
let scrollMode =
_app_options.AppOptions.get("scrollModeOnLoad");
let spreadMode =
_app_options.AppOptions.get("spreadModeOnLoad");
if (stored.page && viewOnLoad !== ViewOnLoad.INITIAL) {
hash =
`page=${stored.page}&zoom=${zoom || stored.zoom},` +
`${stored.scrollLeft},${stored.scrollTop}`;
rotation = parseInt(stored.rotation, 10);
if (sidebarView === _ui_utils.SidebarView.UNKNOWN) {
sidebarView = stored.sidebarView | 0;
}
if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) {
scrollMode = stored.scrollMode | 0;
}
if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
spreadMode = stored.spreadMode | 0;
}
}
if (
pageMode &&
sidebarView === _ui_utils.SidebarView.UNKNOWN
) {
sidebarView = (0, _ui_utils.apiPageModeToSidebarView)(
pageMode
);
}
if (
pageLayout &&
scrollMode === _ui_utils.ScrollMode.UNKNOWN &&
spreadMode === _ui_utils.SpreadMode.UNKNOWN
) {
const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(
pageLayout
);
spreadMode = modes.spreadMode;
}
this.setInitialView(hash, {
rotation,
sidebarView,
scrollMode,
spreadMode,
});
this.eventBus.dispatch("documentinit", {
source: this,
});
if (!this.isViewerEmbedded) {
pdfViewer.focus();
}
await Promise.race([
pagesPromise,
new Promise((resolve) => {
setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
}),
]);
if (!initialBookmark && !hash) {
return;
}
if (pdfViewer.hasEqualPageSizes) {
return;
}
this.initialBookmark = initialBookmark;
pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
this.setInitialView(hash);
}
)
.catch(() => {
this.setInitialView();
})
.then(function () {
pdfViewer.update();
});
});
pagesPromise.then(
() => {
this._unblockDocumentLoadEvent();
this._initializeAutoPrint(pdfDocument, openActionPromise);
},
(reason) => {
this.l10n.get("loading_error").then((msg) => {
this._documentError(msg, {
message: reason?.message,
});
});
}
);
onePageRendered.then((data) => {
this.externalServices.reportTelemetry({
type: "pageInfo",
timestamp: data.timestamp,
});
if (this.pdfOutlineViewer) {
pdfDocument.getOutline().then((outline) => {
if (pdfDocument !== this.pdfDocument) {
return;
}
this.pdfOutlineViewer.render({
outline,
pdfDocument,
});
});
}
if (this.pdfAttachmentViewer) {
pdfDocument.getAttachments().then((attachments) => {
if (pdfDocument !== this.pdfDocument) {
return;
}
this.pdfAttachmentViewer.render({
attachments,
});
});
}
if (this.pdfLayerViewer) {
pdfViewer.optionalContentConfigPromise.then(
(optionalContentConfig) => {
if (pdfDocument !== this.pdfDocument) {
return;
}
this.pdfLayerViewer.render({
optionalContentConfig,
pdfDocument,
});
}
);
}
});
this._initializePageLabels(pdfDocument);
this._initializeMetadata(pdfDocument);
},
async _scriptingDocProperties(pdfDocument) {
if (!this.documentInfo) {
await new Promise((resolve) => {
this.eventBus._on("metadataloaded", resolve, {
once: true,
});
});
if (pdfDocument !== this.pdfDocument) {
return null;
}
}
if (!this._contentLength) {
await new Promise((resolve) => {
this.eventBus._on("documentloaded", resolve, {
once: true,
});
});
if (pdfDocument !== this.pdfDocument) {
return null;
}
}
return {
...this.documentInfo,
baseURL: this.baseUrl,
filesize: this._contentLength,
filename: this._docFilename,
metadata: this.metadata?.getRaw(),
authors: this.metadata?.get("dc:creator"),
numPages: this.pagesCount,
URL: this.url,
};
},
async _initializeAutoPrint(pdfDocument, openActionPromise) {
const [openAction, javaScript] = await Promise.all([
openActionPromise,
!this.pdfViewer.enableScripting
? pdfDocument.getJavaScript()
: null,
]);
if (pdfDocument !== this.pdfDocument) {
return;
}
let triggerAutoPrint = false;
if (openAction?.action === "Print") {
triggerAutoPrint = true;
}
if (javaScript) {
javaScript.some((js) => {
if (!js) {
return false;
}
console.warn("Warning: JavaScript support is not enabled");
return true;
});
if (!triggerAutoPrint) {
for (const js of javaScript) {
if (js && _ui_utils.AutoPrintRegExp.test(js)) {
triggerAutoPrint = true;
break;
}
}
}
}
if (triggerAutoPrint) {
this.triggerPrinting();
}
},
async _initializeMetadata(pdfDocument) {
const { info, metadata, contentDispositionFilename, contentLength } =
await pdfDocument.getMetadata();
if (pdfDocument !== this.pdfDocument) {
return;
}
this.documentInfo = info;
this.metadata = metadata;
this._contentDispositionFilename ??= contentDispositionFilename;
this._contentLength ??= contentLength;
console.log(
`PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` +
`${(info.Producer || "-").trim()} / ${(
info.Creator || "-"
).trim()}] ` +
`(PDF.js: ${_pdfjsLib.version || "?"} [${_pdfjsLib.build || "?"
}])`
);
let pdfTitle = info.Title;
const metadataTitle = metadata?.get("dc:title");
if (metadataTitle) {
if (
metadataTitle !== "Untitled" &&
!/[\uFFF0-\uFFFF]/g.test(metadataTitle)
) {
pdfTitle = metadataTitle;
}
}
if (pdfTitle) {
this.setTitle(
`${pdfTitle} - ${this._contentDispositionFilename || this._title}`
);
} else if (this._contentDispositionFilename) {
this.setTitle(this._contentDispositionFilename);
}
if (
info.IsXFAPresent &&
!info.IsAcroFormPresent &&
!pdfDocument.isPureXfa
) {
if (pdfDocument.loadingParams.enableXfa) {
console.warn(
"Warning: XFA Foreground documents are not supported"
);
} else {
console.warn("Warning: XFA support is not enabled");
}
} else if (
(info.IsAcroFormPresent || info.IsXFAPresent) &&
!this.pdfViewer.renderForms
) {
console.warn("Warning: Interactive form support is not enabled");
}
if (info.IsSignaturesPresent) {
console.warn(
"Warning: Digital signatures validation is not supported"
);
}
this.eventBus.dispatch("metadataloaded", {
source: this,
});
},
async _initializePageLabels(pdfDocument) {
const labels = await pdfDocument.getPageLabels();
if (pdfDocument !== this.pdfDocument) {
return;
}
if (!labels || _app_options.AppOptions.get("disablePageLabels")) {
return;
}
const numLabels = labels.length;
let standardLabels = 0,
emptyLabels = 0;
for (let i = 0; i < numLabels; i++) {
const label = labels[i];
if (label === (i + 1).toString()) {
standardLabels++;
} else if (label === "") {
emptyLabels++;
} else {
break;
}
}
if (standardLabels >= numLabels || emptyLabels >= numLabels) {
return;
}
const { pdfViewer, pdfThumbnailViewer, toolbar } = this;
pdfViewer.setPageLabels(labels);
pdfThumbnailViewer?.setPageLabels(labels);
toolbar?.setPagesCount(numLabels, true);
toolbar?.setPageNumber(
pdfViewer.currentPageNumber,
pdfViewer.currentPageLabel
);
},
_initializePdfHistory({ fingerprint, viewOnLoad, initialDest = null }) {
if (!this.pdfHistory) {
return;
}
this.pdfHistory.initialize({
fingerprint,
resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
updateUrl: _app_options.AppOptions.get("historyUpdateUrl"),
});
if (this.pdfHistory.initialBookmark) {
this.initialBookmark = this.pdfHistory.initialBookmark;
this.initialRotation = this.pdfHistory.initialRotation;
}
if (
initialDest &&
!this.initialBookmark &&
viewOnLoad === ViewOnLoad.UNKNOWN
) {
this.initialBookmark = JSON.stringify(initialDest);
this.pdfHistory.push({
explicitDest: initialDest,
pageNumber: null,
});
}
},
_initializeAnnotationStorageCallbacks(pdfDocument) {
if (pdfDocument !== this.pdfDocument) {
return;
}
const { annotationStorage } = pdfDocument;
annotationStorage.onSetModified = () => {
window.addEventListener("beforeunload", beforeUnload);
this._annotationStorageModified = true;
};
annotationStorage.onResetModified = () => {
window.removeEventListener("beforeunload", beforeUnload);
delete this._annotationStorageModified;
};
annotationStorage.onAnnotationEditor = (typeStr) => {
this._hasAnnotationEditors = !!typeStr;
this.setTitle();
if (typeStr) {
this.externalServices.reportTelemetry({
type: "editing",
data: {
type: typeStr,
},
});
}
};
},
setInitialView(
storedHash,
{ rotation, sidebarView, scrollMode, spreadMode } = {}
) {
const setRotation = (angle) => {
if ((0, _ui_utils.isValidRotation)(angle)) {
this.pdfViewer.pagesRotation = angle;
}
};
const setViewerModes = (scroll, spread) => {
if ((0, _ui_utils.isValidScrollMode)(scroll)) {
this.pdfViewer.scrollMode = scroll;
}
if ((0, _ui_utils.isValidSpreadMode)(spread)) {
this.pdfViewer.spreadMode = spread;
}
};
this.isInitialViewSet = true;
this.pdfSidebar?.setInitialView(sidebarView);
setViewerModes(scrollMode, spreadMode);
if (this.initialBookmark) {
setRotation(this.initialRotation);
delete this.initialRotation;
this.pdfLinkService.setHash(this.initialBookmark);
this.initialBookmark = null;
} else if (storedHash) {
setRotation(rotation);
this.pdfLinkService.setHash(storedHash);
}
this.toolbar?.setPageNumber(
this.pdfViewer.currentPageNumber,
this.pdfViewer.currentPageLabel
);
this.secondaryToolbar?.setPageNumber(
this.pdfViewer.currentPageNumber
);
if (!this.pdfViewer.currentScaleValue) {
this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
}
},
_cleanup() {
if (!this.pdfDocument) {
return;
}
this.pdfViewer.cleanup();
this.pdfThumbnailViewer?.cleanup();
this.pdfDocument.cleanup(
this.pdfViewer.renderer === _ui_utils.RendererType.SVG
);
},
forceRendering() {
this.pdfRenderingQueue.printing = !!this.printService;
this.pdfRenderingQueue.isThumbnailViewEnabled =
this.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS;
this.pdfRenderingQueue.renderHighestPriority();
},
beforePrint() {
this._printAnnotationStoragePromise = this.pdfScriptingManager
.dispatchWillPrint()
.catch(() => { })
.then(() => {
return this.pdfDocument?.annotationStorage.print;
});
if (this.printService) {
return;
}
if (!this.supportsPrinting) {
this.l10n.get("printing_not_supported").then((msg) => {
this._otherError(msg);
});
return;
}
if (!this.pdfViewer.pageViewsReady) {
this.l10n.get("printing_not_ready").then((msg) => {
window.alert(msg);
});
return;
}
const pagesOverview = this.pdfViewer.getPagesOverview();
const printContainer = this.appConfig.printContainer;
const printResolution =
_app_options.AppOptions.get("printResolution");
const optionalContentConfigPromise =
this.pdfViewer.optionalContentConfigPromise;
const printService =
PDFPrintServiceFactory.instance.createPrintService(
this.pdfDocument,
pagesOverview,
printContainer,
printResolution,
optionalContentConfigPromise,
this._printAnnotationStoragePromise,
this.l10n
);
this.printService = printService;
this.forceRendering();
this.setTitle();
printService.layout();
if (this._hasAnnotationEditors) {
this.externalServices.reportTelemetry({
type: "editing",
data: {
type: "print",
},
});
}
},
afterPrint() {
if (this._printAnnotationStoragePromise) {
this._printAnnotationStoragePromise.then(() => {
this.pdfScriptingManager.dispatchDidPrint();
});
this._printAnnotationStoragePromise = null;
}
if (this.printService) {
this.printService.destroy();
this.printService = null;
this.pdfDocument?.annotationStorage.resetModified();
}
this.forceRendering();
this.setTitle();
},
rotatePages(delta) {
this.pdfViewer.pagesRotation += delta;
},
requestPresentationMode() {
this.pdfPresentationMode?.request();
},
triggerPrinting() {
if (!this.supportsPrinting) {
return;
}
window.print();
},
bindEvents() {
const { eventBus, _boundEvents } = this;
_boundEvents.beforePrint = this.beforePrint.bind(this);
_boundEvents.afterPrint = this.afterPrint.bind(this);
eventBus._on("resize", webViewerResize);
eventBus._on("hashchange", webViewerHashchange);
eventBus._on("beforeprint", _boundEvents.beforePrint);
eventBus._on("afterprint", _boundEvents.afterPrint);
eventBus._on("pagerender", webViewerPageRender);
eventBus._on("pagerendered", webViewerPageRendered);
eventBus._on("updateviewarea", webViewerUpdateViewarea);
eventBus._on("pagechanging", webViewerPageChanging);
eventBus._on("scalechanging", webViewerScaleChanging);
eventBus._on("rotationchanging", webViewerRotationChanging);
eventBus._on("sidebarviewchanged", webViewerSidebarViewChanged);
eventBus._on("pagemode", webViewerPageMode);
eventBus._on("namedaction", webViewerNamedAction);
eventBus._on(
"presentationmodechanged",
webViewerPresentationModeChanged
);
eventBus._on("presentationmode", webViewerPresentationMode);
eventBus._on(
"switchannotationeditormode",
webViewerSwitchAnnotationEditorMode
);
eventBus._on(
"switchannotationeditorparams",
webViewerSwitchAnnotationEditorParams
);
eventBus._on("print", webViewerPrint);
eventBus._on("download", webViewerDownload);
eventBus._on("firstpage", webViewerFirstPage);
eventBus._on("lastpage", webViewerLastPage);
eventBus._on("nextpage", webViewerNextPage);
eventBus._on("previouspage", webViewerPreviousPage);
eventBus._on("zoomin", webViewerZoomIn);
eventBus._on("zoomout", webViewerZoomOut);
eventBus._on("zoomreset", webViewerZoomReset);
eventBus._on("pagenumberchanged", webViewerPageNumberChanged);
eventBus._on("scalechanged", webViewerScaleChanged);
eventBus._on("rotatecw", webViewerRotateCw);
eventBus._on("rotateccw", webViewerRotateCcw);
eventBus._on("optionalcontentconfig", webViewerOptionalContentConfig);
eventBus._on("switchscrollmode", webViewerSwitchScrollMode);
eventBus._on("scrollmodechanged", webViewerScrollModeChanged);
eventBus._on("switchspreadmode", webViewerSwitchSpreadMode);
eventBus._on("spreadmodechanged", webViewerSpreadModeChanged);
eventBus._on("documentproperties", webViewerDocumentProperties);
eventBus._on("findfromurlhash", webViewerFindFromUrlHash);
eventBus._on(
"updatefindmatchescount",
webViewerUpdateFindMatchesCount
);
eventBus._on(
"updatefindcontrolstate",
webViewerUpdateFindControlState
);
if (_app_options.AppOptions.get("pdfBug")) {
_boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug;
eventBus._on("pagerendered", _boundEvents.reportPageStatsPDFBug);
eventBus._on("pagechanging", _boundEvents.reportPageStatsPDFBug);
}
eventBus._on("fileinputchange", webViewerFileInputChange);
eventBus._on("openfile", webViewerOpenFile);
},
bindWindowEvents() {
const { eventBus, _boundEvents } = this;
function addWindowResolutionChange(evt = null) {
if (evt) {
webViewerResolutionChange(evt);
}
const mediaQueryList = window.matchMedia(
`(resolution: ${window.devicePixelRatio || 1}dppx)`
);
mediaQueryList.addEventListener(
"change",
addWindowResolutionChange,
{
once: true,
}
);
_boundEvents.removeWindowResolutionChange ||= function () {
mediaQueryList.removeEventListener(
"change",
addWindowResolutionChange
);
_boundEvents.removeWindowResolutionChange = null;
};
}
addWindowResolutionChange();
_boundEvents.windowResize = () => {
eventBus.dispatch("resize", {
source: window,
});
};
_boundEvents.windowHashChange = () => {
eventBus.dispatch("hashchange", {
source: window,
hash: document.location.hash.substring(1),
});
};
_boundEvents.windowBeforePrint = () => {
eventBus.dispatch("beforeprint", {
source: window,
});
};
_boundEvents.windowAfterPrint = () => {
eventBus.dispatch("afterprint", {
source: window,
});
};
_boundEvents.windowUpdateFromSandbox = (event) => {
eventBus.dispatch("updatefromsandbox", {
source: window,
detail: event.detail,
});
};
window.addEventListener(
"visibilitychange",
webViewerVisibilityChange
);
window.addEventListener("wheel", webViewerWheel, {
passive: false,
});
window.addEventListener("touchstart", webViewerTouchStart, {
passive: false,
});
window.addEventListener("touchmove", webViewerTouchMove, {
passive: false,
});
window.addEventListener("touchend", webViewerTouchEnd, {
passive: false,
});
window.addEventListener("click", webViewerClick);
window.addEventListener("keydown", webViewerKeyDown);
window.addEventListener("keyup", webViewerKeyUp);
window.addEventListener("resize", _boundEvents.windowResize);
window.addEventListener("hashchange", _boundEvents.windowHashChange);
window.addEventListener(
"beforeprint",
_boundEvents.windowBeforePrint
);
window.addEventListener("afterprint", _boundEvents.windowAfterPrint);
window.addEventListener(
"updatefromsandbox",
_boundEvents.windowUpdateFromSandbox
);
},
unbindEvents() {
const { eventBus, _boundEvents } = this;
eventBus._off("resize", webViewerResize);
eventBus._off("hashchange", webViewerHashchange);
eventBus._off("beforeprint", _boundEvents.beforePrint);
eventBus._off("afterprint", _boundEvents.afterPrint);
eventBus._off("pagerender", webViewerPageRender);
eventBus._off("pagerendered", webViewerPageRendered);
eventBus._off("updateviewarea", webViewerUpdateViewarea);
eventBus._off("pagechanging", webViewerPageChanging);
eventBus._off("scalechanging", webViewerScaleChanging);
eventBus._off("rotationchanging", webViewerRotationChanging);
eventBus._off("sidebarviewchanged", webViewerSidebarViewChanged);
eventBus._off("pagemode", webViewerPageMode);
eventBus._off("namedaction", webViewerNamedAction);
eventBus._off(
"presentationmodechanged",
webViewerPresentationModeChanged
);
eventBus._off("presentationmode", webViewerPresentationMode);
eventBus._off("print", webViewerPrint);
eventBus._off("download", webViewerDownload);
eventBus._off("firstpage", webViewerFirstPage);
eventBus._off("lastpage", webViewerLastPage);
eventBus._off("nextpage", webViewerNextPage);
eventBus._off("previouspage", webViewerPreviousPage);
eventBus._off("zoomin", webViewerZoomIn);
eventBus._off("zoomout", webViewerZoomOut);
eventBus._off("zoomreset", webViewerZoomReset);
eventBus._off("pagenumberchanged", webViewerPageNumberChanged);
eventBus._off("scalechanged", webViewerScaleChanged);
eventBus._off("rotatecw", webViewerRotateCw);
eventBus._off("rotateccw", webViewerRotateCcw);
eventBus._off(
"optionalcontentconfig",
webViewerOptionalContentConfig
);
eventBus._off("switchscrollmode", webViewerSwitchScrollMode);
eventBus._off("scrollmodechanged", webViewerScrollModeChanged);
eventBus._off("switchspreadmode", webViewerSwitchSpreadMode);
eventBus._off("spreadmodechanged", webViewerSpreadModeChanged);
eventBus._off("documentproperties", webViewerDocumentProperties);
eventBus._off("findfromurlhash", webViewerFindFromUrlHash);
eventBus._off(
"updatefindmatchescount",
webViewerUpdateFindMatchesCount
);
eventBus._off(
"updatefindcontrolstate",
webViewerUpdateFindControlState
);
if (_boundEvents.reportPageStatsPDFBug) {
eventBus._off("pagerendered", _boundEvents.reportPageStatsPDFBug);
eventBus._off("pagechanging", _boundEvents.reportPageStatsPDFBug);
_boundEvents.reportPageStatsPDFBug = null;
}
eventBus._off("fileinputchange", webViewerFileInputChange);
eventBus._off("openfile", webViewerOpenFile);
_boundEvents.beforePrint = null;
_boundEvents.afterPrint = null;
},
unbindWindowEvents() {
const { _boundEvents } = this;
window.removeEventListener(
"visibilitychange",
webViewerVisibilityChange
);
window.removeEventListener("wheel", webViewerWheel, {
passive: false,
});
window.removeEventListener("touchstart", webViewerTouchStart, {
passive: false,
});
window.removeEventListener("touchmove", webViewerTouchMove, {
passive: false,
});
window.removeEventListener("touchend", webViewerTouchEnd, {
passive: false,
});
window.removeEventListener("click", webViewerClick);
window.removeEventListener("keydown", webViewerKeyDown);
window.removeEventListener("keyup", webViewerKeyUp);
window.removeEventListener("resize", _boundEvents.windowResize);
window.removeEventListener(
"hashchange",
_boundEvents.windowHashChange
);
window.removeEventListener(
"beforeprint",
_boundEvents.windowBeforePrint
);
window.removeEventListener(
"afterprint",
_boundEvents.windowAfterPrint
);
window.removeEventListener(
"updatefromsandbox",
_boundEvents.windowUpdateFromSandbox
);
_boundEvents.removeWindowResolutionChange?.();
_boundEvents.windowResize = null;
_boundEvents.windowHashChange = null;
_boundEvents.windowBeforePrint = null;
_boundEvents.windowAfterPrint = null;
_boundEvents.windowUpdateFromSandbox = null;
},
_accumulateTicks(ticks, prop) {
if ((this[prop] > 0 && ticks < 0) || (this[prop] < 0 && ticks > 0)) {
this[prop] = 0;
}
this[prop] += ticks;
const wholeTicks = Math.trunc(this[prop]);
this[prop] -= wholeTicks;
return wholeTicks;
},
_accumulateFactor(previousScale, factor, prop) {
if (factor === 1) {
return 1;
}
if (
(this[prop] > 1 && factor < 1) ||
(this[prop] < 1 && factor > 1)
) {
this[prop] = 1;
}
const newFactor =
Math.floor(previousScale * factor * this[prop] * 100) /
(100 * previousScale);
this[prop] = factor / newFactor;
return newFactor;
},
_centerAtPos(previousScale, x, y) {
const { pdfViewer } = this;
const scaleDiff = pdfViewer.currentScale / previousScale - 1;
if (scaleDiff !== 0) {
const [top, left] = pdfViewer.containerTopLeft;
pdfViewer.container.scrollLeft += (x - left) * scaleDiff;
pdfViewer.container.scrollTop += (y - top) * scaleDiff;
}
},
_unblockDocumentLoadEvent() {
document.blockUnblockOnload?.(false);
this._unblockDocumentLoadEvent = () => { };
},
get scriptingReady() {
return this.pdfScriptingManager.ready;
},
};
exports.PDFViewerApplication = PDFViewerApplication;
{
const HOSTED_VIEWER_ORIGINS = [
"null",
"http://mozilla.github.io",
"https://mozilla.github.io",
"https://www.cmru.ac.th",
"https://africau.edu",
];
var validateFileURL = function (file) {
if (!file) {
return;
}
try {
const viewerOrigin = new URL(window.location.href).origin || "null";
if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
return;
}
const fileOrigin = new URL(file, window.location.href).origin;
if (fileOrigin !== viewerOrigin) {
throw new Error("file origin does not match viewer's");
}
} catch (ex) {
PDFViewerApplication.l10n.get("loading_error").then((msg) => {
PDFViewerApplication._documentError(msg, {
message: ex?.message,
});
});
throw ex;
}
};
}
async function loadFakeWorker() {
_pdfjsLib.GlobalWorkerOptions.workerSrc ||=
_app_options.AppOptions.get("workerSrc");
await (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.workerSrc);
}
async function loadPDFBug(self) {
const { debuggerScriptPath } = self.appConfig;
const { PDFBug } = await import(debuggerScriptPath);
self._PDFBug = PDFBug;
}
function reportPageStatsPDFBug({ pageNumber }) {
if (!globalThis.Stats?.enabled) {
return;
}
const pageView = PDFViewerApplication.pdfViewer.getPageView(
pageNumber - 1
);
globalThis.Stats.add(pageNumber, pageView?.pdfPage?.stats);
}
function webViewerInitialized() {
const { appConfig, eventBus, l10n } = PDFViewerApplication;
let file;
const queryString = document.location.search.substring(1);
const params = (0, _ui_utils.parseQueryString)(queryString);
file = params.get("file") ?? _app_options.AppOptions.get("defaultUrl");
validateFileURL(file);
const fileInput = appConfig.openFileInput;
fileInput.value = null;
fileInput.addEventListener("change", function (evt) {
const { files } = evt.target;
if (!files || files.length === 0) {
return;
}
eventBus.dispatch("fileinputchange", {
source: this,
fileInput: evt.target,
});
});
appConfig.mainContainer.addEventListener("dragover", function (evt) {
evt.preventDefault();
evt.dataTransfer.dropEffect =
evt.dataTransfer.effectAllowed === "copy" ? "copy" : "move";
});
appConfig.mainContainer.addEventListener("drop", function (evt) {
evt.preventDefault();
const { files } = evt.dataTransfer;
if (!files || files.length === 0) {
return;
}
eventBus.dispatch("fileinputchange", {
source: this,
fileInput: evt.dataTransfer,
});
});
if (!PDFViewerApplication.supportsDocumentFonts) {
_app_options.AppOptions.set("disableFontFace", true);
l10n.get("web_fonts_disabled").then((msg) => {
console.warn(msg);
});
}
if (!PDFViewerApplication.supportsPrinting) {
appConfig.toolbar?.print.classList.add("hidden");
appConfig.secondaryToolbar?.printButton.classList.add("hidden");
}
if (!PDFViewerApplication.supportsFullscreen) {
appConfig.secondaryToolbar?.presentationModeButton.classList.add(
"hidden"
);
}
if (PDFViewerApplication.supportsIntegratedFind) {
appConfig.toolbar?.viewFind.classList.add("hidden");
}
appConfig.mainContainer.addEventListener(
"transitionend",
function (evt) {
if (evt.target === this) {
eventBus.dispatch("resize", {
source: this,
});
}
},
true
);
try {
if (file) {
PDFViewerApplication.open({
url: file,
});
} else {
PDFViewerApplication._hideViewBookmark();
}
} catch (reason) {
l10n.get("loading_error").then((msg) => {
PDFViewerApplication._documentError(msg, reason);
});
}
}
function webViewerPageRender({ pageNumber }) {
if (pageNumber === PDFViewerApplication.page) {
PDFViewerApplication.toolbar?.updateLoadingIndicatorState(true);
}
}
function webViewerPageRendered({ pageNumber, error }) {
if (pageNumber === PDFViewerApplication.page) {
PDFViewerApplication.toolbar?.updateLoadingIndicatorState(false);
}
if (
PDFViewerApplication.pdfSidebar?.visibleView ===
_ui_utils.SidebarView.THUMBS
) {
const pageView = PDFViewerApplication.pdfViewer.getPageView(
pageNumber - 1
);
const thumbnailView =
PDFViewerApplication.pdfThumbnailViewer?.getThumbnail(
pageNumber - 1
);
if (pageView && thumbnailView) {
thumbnailView.setImage(pageView);
}
}
if (error) {
PDFViewerApplication.l10n.get("rendering_error").then((msg) => {
PDFViewerApplication._otherError(msg, error);
});
}
}
function webViewerPageMode({ mode }) {
let view;
switch (mode) {
case "thumbs":
view = _ui_utils.SidebarView.THUMBS;
break;
case "bookmarks":
case "outline":
view = _ui_utils.SidebarView.OUTLINE;
break;
case "attachments":
view = _ui_utils.SidebarView.ATTACHMENTS;
break;
case "layers":
view = _ui_utils.SidebarView.LAYERS;
break;
case "none":
view = _ui_utils.SidebarView.NONE;
break;
default:
console.error('Invalid "pagemode" hash parameter: ' + mode);
return;
}
PDFViewerApplication.pdfSidebar?.switchView(view, true);
}
function webViewerNamedAction(evt) {
switch (evt.action) {
case "GoToPage":
PDFViewerApplication.appConfig.toolbar?.pageNumber.select();
break;
case "Find":
if (!PDFViewerApplication.supportsIntegratedFind) {
PDFViewerApplication?.findBar.toggle();
}
break;
case "Print":
PDFViewerApplication.triggerPrinting();
break;
case "SaveAs":
PDFViewerApplication.downloadOrSave();
break;
}
}
function webViewerPresentationModeChanged(evt) {
PDFViewerApplication.pdfViewer.presentationModeState = evt.state;
}
function webViewerSidebarViewChanged({ view }) {
PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled =
view === _ui_utils.SidebarView.THUMBS;
if (PDFViewerApplication.isInitialViewSet) {
PDFViewerApplication.store?.set("sidebarView", view).catch(() => { });
}
}
function webViewerUpdateViewarea({ location }) {
if (PDFViewerApplication.isInitialViewSet) {
PDFViewerApplication.store
?.setMultiple({
page: location.pageNumber,
zoom: location.scale,
scrollLeft: location.left,
scrollTop: location.top,
rotation: location.rotation,
})
.catch(() => { });
}
if (PDFViewerApplication.appConfig.secondaryToolbar) {
const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(
location.pdfOpenParams
);
PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href =
href;
}
}
function webViewerScrollModeChanged(evt) {
if (
PDFViewerApplication.isInitialViewSet &&
!PDFViewerApplication.pdfViewer.isInPresentationMode
) {
PDFViewerApplication.store
?.set("scrollMode", evt.mode)
.catch(() => { });
}
}
function webViewerSpreadModeChanged(evt) {
if (
PDFViewerApplication.isInitialViewSet &&
!PDFViewerApplication.pdfViewer.isInPresentationMode
) {
PDFViewerApplication.store
?.set("spreadMode", evt.mode)
.catch(() => { });
}
}
function webViewerResize() {
const { pdfDocument, pdfViewer, pdfRenderingQueue } =
PDFViewerApplication;
if (pdfRenderingQueue.printing && window.matchMedia("print").matches) {
return;
}
if (!pdfDocument) {
return;
}
const currentScaleValue = pdfViewer.currentScaleValue;
if (
currentScaleValue === "auto" ||
currentScaleValue === "page-fit" ||
currentScaleValue === "page-width"
) {
pdfViewer.currentScaleValue = currentScaleValue;
}
pdfViewer.update();
}
function webViewerHashchange(evt) {
const hash = evt.hash;
if (!hash) {
return;
}
if (!PDFViewerApplication.isInitialViewSet) {
PDFViewerApplication.initialBookmark = hash;
} else if (!PDFViewerApplication.pdfHistory?.popStateInProgress) {
PDFViewerApplication.pdfLinkService.setHash(hash);
}
}
{
var webViewerFileInputChange = function (evt) {
if (PDFViewerApplication.pdfViewer?.isInPresentationMode) {
return;
}
const file = evt.fileInput.files[0];
PDFViewerApplication.open({
url: URL.createObjectURL(file),
originalUrl: file.name,
});
};
var webViewerOpenFile = function (evt) {
const fileInput = PDFViewerApplication.appConfig.openFileInput;
fileInput.click();
};
}
function webViewerPresentationMode() {
PDFViewerApplication.requestPresentationMode();
}
function webViewerSwitchAnnotationEditorMode(evt) {
PDFViewerApplication.pdfViewer.annotationEditorMode = evt.mode;
}
function webViewerSwitchAnnotationEditorParams(evt) {
PDFViewerApplication.pdfViewer.annotationEditorParams = evt;
}
function webViewerPrint() {
PDFViewerApplication.triggerPrinting();
}
function webViewerDownload() {
PDFViewerApplication.downloadOrSave();
}
function webViewerFirstPage() {
PDFViewerApplication.page = 1;
}
function webViewerLastPage() {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
}
function webViewerNextPage() {
PDFViewerApplication.pdfViewer.nextPage();
}
function webViewerPreviousPage() {
PDFViewerApplication.pdfViewer.previousPage();
}
function webViewerZoomIn() {
PDFViewerApplication.zoomIn();
}
function webViewerZoomOut() {
PDFViewerApplication.zoomOut();
}
function webViewerZoomReset() {
PDFViewerApplication.zoomReset();
}
function webViewerPageNumberChanged(evt) {
const pdfViewer = PDFViewerApplication.pdfViewer;
if (evt.value !== "") {
PDFViewerApplication.pdfLinkService.goToPage(evt.value);
}
if (
evt.value !== pdfViewer.currentPageNumber.toString() &&
evt.value !== pdfViewer.currentPageLabel
) {
PDFViewerApplication.toolbar?.setPageNumber(
pdfViewer.currentPageNumber,
pdfViewer.currentPageLabel
);
}
}
function webViewerScaleChanged(evt) {
PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
}
function webViewerRotateCw() {
PDFViewerApplication.rotatePages(90);
}
function webViewerRotateCcw() {
PDFViewerApplication.rotatePages(-90);
}
function webViewerOptionalContentConfig(evt) {
PDFViewerApplication.pdfViewer.optionalContentConfigPromise =
evt.promise;
}
function webViewerSwitchScrollMode(evt) {
PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
}
function webViewerSwitchSpreadMode(evt) {
PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
}
function webViewerDocumentProperties() {
PDFViewerApplication.pdfDocumentProperties?.open();
}
function webViewerFindFromUrlHash(evt) {
PDFViewerApplication.eventBus.dispatch("find", {
source: evt.source,
type: "",
query: evt.query,
phraseSearch: evt.phraseSearch,
caseSensitive: false,
entireWord: false,
highlightAll: true,
findPrevious: false,
matchDiacritics: true,
});
}
function webViewerUpdateFindMatchesCount({ matchesCount }) {
if (PDFViewerApplication.supportsIntegratedFind) {
PDFViewerApplication.externalServices.updateFindMatchesCount(
matchesCount
);
} else {
PDFViewerApplication.findBar.updateResultsCount(matchesCount);
}
}
function webViewerUpdateFindControlState({
state,
previous,
matchesCount,
rawQuery,
}) {
if (PDFViewerApplication.supportsIntegratedFind) {
PDFViewerApplication.externalServices.updateFindControlState({
result: state,
findPrevious: previous,
matchesCount,
rawQuery,
});
} else {
PDFViewerApplication.findBar?.updateUIState(
state,
previous,
matchesCount
);
}
}
function webViewerScaleChanging(evt) {
PDFViewerApplication.toolbar?.setPageScale(evt.presetValue, evt.scale);
PDFViewerApplication.pdfViewer.update();
}
function webViewerRotationChanging(evt) {
if (PDFViewerApplication.pdfThumbnailViewer) {
PDFViewerApplication.pdfThumbnailViewer.pagesRotation =
evt.pagesRotation;
}
PDFViewerApplication.forceRendering();
PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
}
function webViewerPageChanging({ pageNumber, pageLabel }) {
PDFViewerApplication.toolbar?.setPageNumber(pageNumber, pageLabel);
PDFViewerApplication.secondaryToolbar?.setPageNumber(pageNumber);
if (
PDFViewerApplication.pdfSidebar?.visibleView ===
_ui_utils.SidebarView.THUMBS
) {
PDFViewerApplication.pdfThumbnailViewer?.scrollThumbnailIntoView(
pageNumber
);
}
const currentPage = PDFViewerApplication.pdfViewer.getPageView(
pageNumber - 1
);
PDFViewerApplication.toolbar?.updateLoadingIndicatorState(
currentPage?.renderingState === _ui_utils.RenderingStates.RUNNING
);
}
function webViewerResolutionChange(evt) {
PDFViewerApplication.pdfViewer.refresh();
}
function webViewerVisibilityChange(evt) {
if (document.visibilityState === "visible") {
setZoomDisabledTimeout();
}
}
let zoomDisabledTimeout = null;
function setZoomDisabledTimeout() {
if (zoomDisabledTimeout) {
clearTimeout(zoomDisabledTimeout);
}
zoomDisabledTimeout = setTimeout(function () {
zoomDisabledTimeout = null;
}, WHEEL_ZOOM_DISABLED_TIMEOUT);
}
function webViewerWheel(evt) {
const {
pdfViewer,
supportedMouseWheelZoomModifierKeys,
supportsPinchToZoom,
} = PDFViewerApplication;
if (pdfViewer.isInPresentationMode) {
return;
}
const deltaMode = evt.deltaMode;
let scaleFactor = Math.exp(-evt.deltaY / 100);
const isBuiltInMac = false;
const isPinchToZoom =
evt.ctrlKey &&
!PDFViewerApplication._isCtrlKeyDown &&
deltaMode === WheelEvent.DOM_DELTA_PIXEL &&
evt.deltaX === 0 &&
(Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) &&
evt.deltaZ === 0;
if (
isPinchToZoom ||
(evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey) ||
(evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey)
) {
evt.preventDefault();
if (zoomDisabledTimeout || document.visibilityState === "hidden") {
return;
}
const previousScale = pdfViewer.currentScale;
if (isPinchToZoom && supportsPinchToZoom) {
scaleFactor = PDFViewerApplication._accumulateFactor(
previousScale,
scaleFactor,
"_wheelUnusedFactor"
);
if (scaleFactor < 1) {
PDFViewerApplication.zoomOut(null, scaleFactor);
} else if (scaleFactor > 1) {
PDFViewerApplication.zoomIn(null, scaleFactor);
} else {
return;
}
} else {
const delta = (0, _ui_utils.normalizeWheelEventDirection)(evt);
let ticks = 0;
if (
deltaMode === WheelEvent.DOM_DELTA_LINE ||
deltaMode === WheelEvent.DOM_DELTA_PAGE
) {
if (Math.abs(delta) >= 1) {
ticks = Math.sign(delta);
} else {
ticks = PDFViewerApplication._accumulateTicks(
delta,
"_wheelUnusedTicks"
);
}
} else {
const PIXELS_PER_LINE_SCALE = 30;
ticks = PDFViewerApplication._accumulateTicks(
delta / PIXELS_PER_LINE_SCALE,
"_wheelUnusedTicks"
);
}
if (ticks < 0) {
PDFViewerApplication.zoomOut(-ticks);
} else if (ticks > 0) {
PDFViewerApplication.zoomIn(ticks);
} else {
return;
}
}
PDFViewerApplication._centerAtPos(
previousScale,
evt.clientX,
evt.clientY
);
} else {
setZoomDisabledTimeout();
}
}
function webViewerTouchStart(evt) {
if (
PDFViewerApplication.pdfViewer.isInPresentationMode ||
evt.touches.length < 2
) {
return;
}
evt.preventDefault();
if (evt.touches.length !== 2) {
PDFViewerApplication._touchInfo = null;
return;
}
let [touch0, touch1] = evt.touches;
if (touch0.identifier > touch1.identifier) {
[touch0, touch1] = [touch1, touch0];
}
PDFViewerApplication._touchInfo = {
touch0X: touch0.pageX,
touch0Y: touch0.pageY,
touch1X: touch1.pageX,
touch1Y: touch1.pageY,
};
}
function webViewerTouchMove(evt) {
if (!PDFViewerApplication._touchInfo || evt.touches.length !== 2) {
return;
}
const { pdfViewer, _touchInfo, supportsPinchToZoom } =
PDFViewerApplication;
let [touch0, touch1] = evt.touches;
if (touch0.identifier > touch1.identifier) {
[touch0, touch1] = [touch1, touch0];
}
const { pageX: page0X, pageY: page0Y } = touch0;
const { pageX: page1X, pageY: page1Y } = touch1;
const {
touch0X: pTouch0X,
touch0Y: pTouch0Y,
touch1X: pTouch1X,
touch1Y: pTouch1Y,
} = _touchInfo;
if (
Math.abs(pTouch0X - page0X) <= 1 &&
Math.abs(pTouch0Y - page0Y) <= 1 &&
Math.abs(pTouch1X - page1X) <= 1 &&
Math.abs(pTouch1Y - page1Y) <= 1
) {
return;
}
_touchInfo.touch0X = page0X;
_touchInfo.touch0Y = page0Y;
_touchInfo.touch1X = page1X;
_touchInfo.touch1Y = page1Y;
if (pTouch0X === page0X && pTouch0Y === page0Y) {
const v1X = pTouch1X - page0X;
const v1Y = pTouch1Y - page0Y;
const v2X = page1X - page0X;
const v2Y = page1Y - page0Y;
const det = v1X * v2Y - v1Y * v2X;
if (
Math.abs(det) >
0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)
) {
return;
}
} else if (pTouch1X === page1X && pTouch1Y === page1Y) {
const v1X = pTouch0X - page1X;
const v1Y = pTouch0Y - page1Y;
const v2X = page0X - page1X;
const v2Y = page0Y - page1Y;
const det = v1X * v2Y - v1Y * v2X;
if (
Math.abs(det) >
0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)
) {
return;
}
} else {
const diff0X = page0X - pTouch0X;
const diff1X = page1X - pTouch1X;
const diff0Y = page0Y - pTouch0Y;
const diff1Y = page1Y - pTouch1Y;
const dotProduct = diff0X * diff1X + diff0Y * diff1Y;
if (dotProduct >= 0) {
return;
}
}
evt.preventDefault();
const distance = Math.hypot(page0X - page1X, page0Y - page1Y) || 1;
const pDistance =
Math.hypot(pTouch0X - pTouch1X, pTouch0Y - pTouch1Y) || 1;
const previousScale = pdfViewer.currentScale;
if (supportsPinchToZoom) {
const newScaleFactor = PDFViewerApplication._accumulateFactor(
previousScale,
distance / pDistance,
"_touchUnusedFactor"
);
if (newScaleFactor < 1) {
PDFViewerApplication.zoomOut(null, newScaleFactor);
} else if (newScaleFactor > 1) {
PDFViewerApplication.zoomIn(null, newScaleFactor);
} else {
return;
}
} else {
const PIXELS_PER_LINE_SCALE = 30;
const ticks = PDFViewerApplication._accumulateTicks(
(distance - pDistance) / PIXELS_PER_LINE_SCALE,
"_touchUnusedTicks"
);
if (ticks < 0) {
PDFViewerApplication.zoomOut(-ticks);
} else if (ticks > 0) {
PDFViewerApplication.zoomIn(ticks);
} else {
return;
}
}
PDFViewerApplication._centerAtPos(
previousScale,
(page0X + page1X) / 2,
(page0Y + page1Y) / 2
);
}
function webViewerTouchEnd(evt) {
if (!PDFViewerApplication._touchInfo) {
return;
}
evt.preventDefault();
PDFViewerApplication._touchInfo = null;
PDFViewerApplication._touchUnusedTicks = 0;
PDFViewerApplication._touchUnusedFactor = 1;
}
function webViewerClick(evt) {
if (!PDFViewerApplication.secondaryToolbar?.isOpen) {
return;
}
const appConfig = PDFViewerApplication.appConfig;
if (
PDFViewerApplication.pdfViewer.containsElement(evt.target) ||
(appConfig.toolbar?.container.contains(evt.target) &&
evt.target !== appConfig.secondaryToolbar?.toggleButton)
) {
PDFViewerApplication.secondaryToolbar.close();
}
}
function webViewerKeyUp(evt) {
if (evt.key === "Control") {
PDFViewerApplication._isCtrlKeyDown = false;
}
}
function webViewerKeyDown(evt) {
PDFViewerApplication._isCtrlKeyDown = evt.key === "Control";
if (PDFViewerApplication.overlayManager.active) {
return;
}
const { eventBus, pdfViewer } = PDFViewerApplication;
const isViewerInPresentationMode = pdfViewer.isInPresentationMode;
let handled = false,
ensureViewerFocused = false;
const cmd =
(evt.ctrlKey ? 1 : 0) |
(evt.altKey ? 2 : 0) |
(evt.shiftKey ? 4 : 0) |
(evt.metaKey ? 8 : 0);
if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
switch (evt.keyCode) {
case 70:
if (
!PDFViewerApplication.supportsIntegratedFind &&
!evt.shiftKey
) {
PDFViewerApplication.findBar?.open();
handled = true;
}
break;
case 71:
if (!PDFViewerApplication.supportsIntegratedFind) {
const { state } = PDFViewerApplication.findController;
if (state) {
const newState = {
source: window,
type: "again",
findPrevious: cmd === 5 || cmd === 12,
};
eventBus.dispatch("find", {
...state,
...newState,
});
}
handled = true;
}
break;
case 61:
case 107:
case 187:
case 171:
PDFViewerApplication.zoomIn();
handled = true;
break;
case 173:
case 109:
case 189:
PDFViewerApplication.zoomOut();
handled = true;
break;
case 48:
case 96:
if (!isViewerInPresentationMode) {
setTimeout(function () {
PDFViewerApplication.zoomReset();
});
handled = false;
}
break;
case 38:
if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
PDFViewerApplication.page = 1;
handled = true;
ensureViewerFocused = true;
}
break;
case 40:
if (
isViewerInPresentationMode ||
PDFViewerApplication.page < PDFViewerApplication.pagesCount
) {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
handled = true;
ensureViewerFocused = true;
}
break;
}
}
if (cmd === 1 || cmd === 8) {
switch (evt.keyCode) {
case 83:
eventBus.dispatch("download", {
source: window,
});
handled = true;
break;
case 79:
{
eventBus.dispatch("openfile", {
source: window,
});
handled = true;
}
break;
}
}
if (cmd === 3 || cmd === 10) {
switch (evt.keyCode) {
case 80:
PDFViewerApplication.requestPresentationMode();
handled = true;
PDFViewerApplication.externalServices.reportTelemetry({
type: "buttons",
data: {
id: "presentationModeKeyboard",
},
});
break;
case 71:
if (PDFViewerApplication.appConfig.toolbar) {
PDFViewerApplication.appConfig.toolbar.pageNumber.select();
handled = true;
}
break;
}
}
if (handled) {
if (ensureViewerFocused && !isViewerInPresentationMode) {
pdfViewer.focus();
}
evt.preventDefault();
return;
}
const curElement = (0, _ui_utils.getActiveOrFocusedElement)();
const curElementTagName = curElement?.tagName.toUpperCase();
if (
curElementTagName === "INPUT" ||
curElementTagName === "TEXTAREA" ||
curElementTagName === "SELECT" ||
curElement?.isContentEditable
) {
if (evt.keyCode !== 27) {
return;
}
}
if (cmd === 0) {
let turnPage = 0,
turnOnlyIfPageFit = false;
switch (evt.keyCode) {
case 38:
case 33:
if (pdfViewer.isVerticalScrollbarEnabled) {
turnOnlyIfPageFit = true;
}
turnPage = -1;
break;
case 8:
if (!isViewerInPresentationMode) {
turnOnlyIfPageFit = true;
}
turnPage = -1;
break;
case 37:
if (pdfViewer.isHorizontalScrollbarEnabled) {
turnOnlyIfPageFit = true;
}
case 75:
case 80:
turnPage = -1;
break;
case 27:
if (PDFViewerApplication.secondaryToolbar?.isOpen) {
PDFViewerApplication.secondaryToolbar.close();
handled = true;
}
if (
!PDFViewerApplication.supportsIntegratedFind &&
PDFViewerApplication.findBar?.opened
) {
PDFViewerApplication.findBar.close();
handled = true;
}
break;
case 40:
case 34:
if (pdfViewer.isVerticalScrollbarEnabled) {
turnOnlyIfPageFit = true;
}
turnPage = 1;
break;
case 13:
case 32:
if (!isViewerInPresentationMode) {
turnOnlyIfPageFit = true;
}
turnPage = 1;
break;
case 39:
if (pdfViewer.isHorizontalScrollbarEnabled) {
turnOnlyIfPageFit = true;
}
case 74:
case 78:
turnPage = 1;
break;
case 36:
if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
PDFViewerApplication.page = 1;
handled = true;
ensureViewerFocused = true;
}
break;
case 35:
if (
isViewerInPresentationMode ||
PDFViewerApplication.page < PDFViewerApplication.pagesCount
) {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
handled = true;
ensureViewerFocused = true;
}
break;
case 83:
PDFViewerApplication.pdfCursorTools?.switchTool(
_ui_utils.CursorTool.SELECT
);
break;
case 72:
PDFViewerApplication.pdfCursorTools?.switchTool(
_ui_utils.CursorTool.HAND
);
break;
case 82:
PDFViewerApplication.rotatePages(90);
break;
case 115:
PDFViewerApplication.pdfSidebar?.toggle();
break;
}
if (
turnPage !== 0 &&
(!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")
) {
if (turnPage > 0) {
pdfViewer.nextPage();
} else {
pdfViewer.previousPage();
}
handled = true;
}
}
if (cmd === 4) {
switch (evt.keyCode) {
case 13:
case 32:
if (
!isViewerInPresentationMode &&
pdfViewer.currentScaleValue !== "page-fit"
) {
break;
}
pdfViewer.previousPage();
handled = true;
break;
case 82:
PDFViewerApplication.rotatePages(-90);
break;
}
}
if (!handled && !isViewerInPresentationMode) {
if (
(evt.keyCode >= 33 && evt.keyCode <= 40) ||
(evt.keyCode === 32 && curElementTagName !== "BUTTON")
) {
ensureViewerFocused = true;
}
}
if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
pdfViewer.focus();
}
if (handled) {
evt.preventDefault();
}
}
function beforeUnload(evt) {
evt.preventDefault();
evt.returnValue = "";
return false;
}
function webViewerAnnotationEditorStatesChanged(data) {
PDFViewerApplication.externalServices.updateEditorStates(data);
}
const PDFPrintServiceFactory = {
instance: {
supportsPrinting: false,
createPrintService() {
throw new Error("Not implemented: createPrintService");
},
},
};
exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
/***/
},
/* 3 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.animationStarted =
exports.VERTICAL_PADDING =
exports.UNKNOWN_SCALE =
exports.TextLayerMode =
exports.SpreadMode =
exports.SidebarView =
exports.ScrollMode =
exports.SCROLLBAR_PADDING =
exports.RenderingStates =
exports.RendererType =
exports.ProgressBar =
exports.PresentationModeState =
exports.OutputScale =
exports.MIN_SCALE =
exports.MAX_SCALE =
exports.MAX_AUTO_SCALE =
exports.DEFAULT_SCALE_VALUE =
exports.DEFAULT_SCALE_DELTA =
exports.DEFAULT_SCALE =
exports.CursorTool =
exports.AutoPrintRegExp =
void 0;
exports.apiPageLayoutToViewerModes = apiPageLayoutToViewerModes;
exports.apiPageModeToSidebarView = apiPageModeToSidebarView;
exports.approximateFraction = approximateFraction;
exports.backtrackBeforeAllVisibleElements =
backtrackBeforeAllVisibleElements;
exports.binarySearchFirstItem = binarySearchFirstItem;
exports.docStyle = void 0;
exports.getActiveOrFocusedElement = getActiveOrFocusedElement;
exports.getPageSizeInches = getPageSizeInches;
exports.getVisibleElements = getVisibleElements;
exports.isPortraitOrientation = isPortraitOrientation;
exports.isValidRotation = isValidRotation;
exports.isValidScrollMode = isValidScrollMode;
exports.isValidSpreadMode = isValidSpreadMode;
exports.noContextMenuHandler = noContextMenuHandler;
exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
exports.normalizeWheelEventDirection = normalizeWheelEventDirection;
exports.parseQueryString = parseQueryString;
exports.removeNullCharacters = removeNullCharacters;
exports.roundToDivide = roundToDivide;
exports.scrollIntoView = scrollIntoView;
exports.watchScroll = watchScroll;
const DEFAULT_SCALE_VALUE = "auto";
exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
const DEFAULT_SCALE = 1.0;
exports.DEFAULT_SCALE = DEFAULT_SCALE;
const DEFAULT_SCALE_DELTA = 1.1;
exports.DEFAULT_SCALE_DELTA = DEFAULT_SCALE_DELTA;
const MIN_SCALE = 0.1;
exports.MIN_SCALE = MIN_SCALE;
const MAX_SCALE = 10.0;
exports.MAX_SCALE = MAX_SCALE;
const UNKNOWN_SCALE = 0;
exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
const MAX_AUTO_SCALE = 1.25;
exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
const SCROLLBAR_PADDING = 40;
exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
const VERTICAL_PADDING = 5;
exports.VERTICAL_PADDING = VERTICAL_PADDING;
const RenderingStates = {
INITIAL: 0,
RUNNING: 1,
PAUSED: 2,
FINISHED: 3,
};
exports.RenderingStates = RenderingStates;
const PresentationModeState = {
UNKNOWN: 0,
NORMAL: 1,
CHANGING: 2,
FULLSCREEN: 3,
};
exports.PresentationModeState = PresentationModeState;
const SidebarView = {
UNKNOWN: -1,
NONE: 0,
THUMBS: 1,
OUTLINE: 2,
ATTACHMENTS: 3,
LAYERS: 4,
};
exports.SidebarView = SidebarView;
const RendererType = {
CANVAS: "canvas",
SVG: "svg",
};
exports.RendererType = RendererType;
const TextLayerMode = {
DISABLE: 0,
ENABLE: 1,
};
exports.TextLayerMode = TextLayerMode;
const ScrollMode = {
UNKNOWN: -1,
VERTICAL: 0,
HORIZONTAL: 1,
WRAPPED: 2,
PAGE: 3,
};
exports.ScrollMode = ScrollMode;
const SpreadMode = {
UNKNOWN: -1,
NONE: 0,
ODD: 1,
EVEN: 2,
};
exports.SpreadMode = SpreadMode;
const CursorTool = {
SELECT: 0,
HAND: 1,
ZOOM: 2,
};
exports.CursorTool = CursorTool;
const AutoPrintRegExp = /\bprint\s*\(/;
exports.AutoPrintRegExp = AutoPrintRegExp;
class OutputScale {
constructor() {
const pixelRatio = window.devicePixelRatio || 1;
this.sx = pixelRatio;
this.sy = pixelRatio;
}
get scaled() {
return this.sx !== 1 || this.sy !== 1;
}
}
exports.OutputScale = OutputScale;
function scrollIntoView(element, spot, scrollMatches = false) {
let parent = element.offsetParent;
if (!parent) {
console.error("offsetParent is not set -- cannot scroll");
return;
}
let offsetY = element.offsetTop + element.clientTop;
let offsetX = element.offsetLeft + element.clientLeft;
while (
(parent.clientHeight === parent.scrollHeight &&
parent.clientWidth === parent.scrollWidth) ||
(scrollMatches &&
(parent.classList.contains("markedContent") ||
getComputedStyle(parent).overflow === "hidden"))
) {
offsetY += parent.offsetTop;
offsetX += parent.offsetLeft;
parent = parent.offsetParent;
if (!parent) {
return;
}
}
if (spot) {
if (spot.top !== undefined) {
offsetY += spot.top;
}
if (spot.left !== undefined) {
offsetX += spot.left;
parent.scrollLeft = offsetX;
}
}
parent.scrollTop = offsetY;
}
function watchScroll(viewAreaElement, callback) {
const debounceScroll = function (evt) {
if (rAF) {
return;
}
rAF = window.requestAnimationFrame(
function viewAreaElementScrolled() {
rAF = null;
const currentX = viewAreaElement.scrollLeft;
const lastX = state.lastX;
if (currentX !== lastX) {
state.right = currentX > lastX;
}
state.lastX = currentX;
const currentY = viewAreaElement.scrollTop;
const lastY = state.lastY;
if (currentY !== lastY) {
state.down = currentY > lastY;
}
state.lastY = currentY;
callback(state);
}
);
};
const state = {
right: true,
down: true,
lastX: viewAreaElement.scrollLeft,
lastY: viewAreaElement.scrollTop,
_eventHandler: debounceScroll,
};
let rAF = null;
viewAreaElement.addEventListener("scroll", debounceScroll, true);
return state;
}
function parseQueryString(query) {
const params = new Map();
for (const [key, value] of new URLSearchParams(query)) {
params.set(key.toLowerCase(), value);
}
return params;
}
const NullCharactersRegExp = /\x00/g;
const InvisibleCharactersRegExp = /[\x01-\x1F]/g;
function removeNullCharacters(str, replaceInvisible = false) {
if (typeof str !== "string") {
console.error(`The argument must be a string.`);
return str;
}
if (replaceInvisible) {
str = str.replace(InvisibleCharactersRegExp, " ");
}
return str.replace(NullCharactersRegExp, "");
}
function binarySearchFirstItem(items, condition, start = 0) {
let minIndex = start;
let maxIndex = items.length - 1;
if (maxIndex < 0 || !condition(items[maxIndex])) {
return items.length;
}
if (condition(items[minIndex])) {
return minIndex;
}
while (minIndex < maxIndex) {
const currentIndex = (minIndex + maxIndex) >> 1;
const currentItem = items[currentIndex];
if (condition(currentItem)) {
maxIndex = currentIndex;
} else {
minIndex = currentIndex + 1;
}
}
return minIndex;
}
function approximateFraction(x) {
if (Math.floor(x) === x) {
return [x, 1];
}
const xinv = 1 / x;
const limit = 8;
if (xinv > limit) {
return [1, limit];
} else if (Math.floor(xinv) === xinv) {
return [1, xinv];
}
const x_ = x > 1 ? xinv : x;
let a = 0,
b = 1,
c = 1,
d = 1;
while (true) {
const p = a + c,
q = b + d;
if (q > limit) {
break;
}
if (x_ <= p / q) {
c = p;
d = q;
} else {
a = p;
b = q;
}
}
let result;
if (x_ - a / b < c / d - x_) {
result = x_ === x ? [a, b] : [b, a];
} else {
result = x_ === x ? [c, d] : [d, c];
}
return result;
}
function roundToDivide(x, div) {
const r = x % div;
return r === 0 ? x : Math.round(x - r + div);
}
function getPageSizeInches({ view, userUnit, rotate }) {
const [x1, y1, x2, y2] = view;
const changeOrientation = rotate % 180 !== 0;
const width = ((x2 - x1) / 72) * userUnit;
const height = ((y2 - y1) / 72) * userUnit;
return {
width: changeOrientation ? height : width,
height: changeOrientation ? width : height,
};
}
function backtrackBeforeAllVisibleElements(index, views, top) {
if (index < 2) {
return index;
}
let elt = views[index].div;
let pageTop = elt.offsetTop + elt.clientTop;
if (pageTop >= top) {
elt = views[index - 1].div;
pageTop = elt.offsetTop + elt.clientTop;
}
for (let i = index - 2; i >= 0; --i) {
elt = views[i].div;
if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
break;
}
index = i;
}
return index;
}
function getVisibleElements({
scrollEl,
views,
sortByVisibility = false,
horizontal = false,
rtl = false,
}) {
const top = scrollEl.scrollTop,
bottom = top + scrollEl.clientHeight;
const left = scrollEl.scrollLeft,
right = left + scrollEl.clientWidth;
function isElementBottomAfterViewTop(view) {
const element = view.div;
const elementBottom =
element.offsetTop + element.clientTop + element.clientHeight;
return elementBottom > top;
}
function isElementNextAfterViewHorizontally(view) {
const element = view.div;
const elementLeft = element.offsetLeft + element.clientLeft;
const elementRight = elementLeft + element.clientWidth;
return rtl ? elementLeft < right : elementRight > left;
}
const visible = [],
ids = new Set(),
numViews = views.length;
let firstVisibleElementInd = binarySearchFirstItem(
views,
horizontal
? isElementNextAfterViewHorizontally
: isElementBottomAfterViewTop
);
if (
firstVisibleElementInd > 0 &&
firstVisibleElementInd < numViews &&
!horizontal
) {
firstVisibleElementInd = backtrackBeforeAllVisibleElements(
firstVisibleElementInd,
views,
top
);
}
let lastEdge = horizontal ? right : -1;
for (let i = firstVisibleElementInd; i < numViews; i++) {
const view = views[i],
element = view.div;
const currentWidth = element.offsetLeft + element.clientLeft;
const currentHeight = element.offsetTop + element.clientTop;
const viewWidth = element.clientWidth,
viewHeight = element.clientHeight;
const viewRight = currentWidth + viewWidth;
const viewBottom = currentHeight + viewHeight;
if (lastEdge === -1) {
if (viewBottom >= bottom) {
lastEdge = viewBottom;
}
} else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
break;
}
if (
viewBottom <= top ||
currentHeight >= bottom ||
viewRight <= left ||
currentWidth >= right
) {
continue;
}
const hiddenHeight =
Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
const hiddenWidth =
Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
const percent = (fractionHeight * fractionWidth * 100) | 0;
visible.push({
id: view.id,
x: currentWidth,
y: currentHeight,
view,
percent,
widthPercent: (fractionWidth * 100) | 0,
});
ids.add(view.id);
}
const first = visible[0],
last = visible.at(-1);
if (sortByVisibility) {
visible.sort(function (a, b) {
const pc = a.percent - b.percent;
if (Math.abs(pc) > 0.001) {
return -pc;
}
return a.id - b.id;
});
}
return {
first,
last,
views: visible,
ids,
};
}
function noContextMenuHandler(evt) {
evt.preventDefault();
}
function normalizeWheelEventDirection(evt) {
let delta = Math.hypot(evt.deltaX, evt.deltaY);
const angle = Math.atan2(evt.deltaY, evt.deltaX);
if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
delta = -delta;
}
return delta;
}
function normalizeWheelEventDelta(evt) {
const deltaMode = evt.deltaMode;
let delta = normalizeWheelEventDirection(evt);
const MOUSE_PIXELS_PER_LINE = 30;
const MOUSE_LINES_PER_PAGE = 30;
if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
} else if (deltaMode === WheelEvent.DOM_DELTA_LINE) {
delta /= MOUSE_LINES_PER_PAGE;
}
return delta;
}
function isValidRotation(angle) {
return Number.isInteger(angle) && angle % 90 === 0;
}
function isValidScrollMode(mode) {
return (
Number.isInteger(mode) &&
Object.values(ScrollMode).includes(mode) &&
mode !== ScrollMode.UNKNOWN
);
}
function isValidSpreadMode(mode) {
return (
Number.isInteger(mode) &&
Object.values(SpreadMode).includes(mode) &&
mode !== SpreadMode.UNKNOWN
);
}
function isPortraitOrientation(size) {
return size.width <= size.height;
}
const animationStarted = new Promise(function (resolve) {
window.requestAnimationFrame(resolve);
});
exports.animationStarted = animationStarted;
const docStyle = document.documentElement.style;
exports.docStyle = docStyle;
function clamp(v, min, max) {
return Math.min(Math.max(v, min), max);
}
class ProgressBar {
#classList = null;
#disableAutoFetchTimeout = null;
#percent = 0;
#style = null;
#visible = true;
constructor(bar) {
this.#classList = bar.classList;
this.#style = bar.style;
}
get percent() {
return this.#percent;
}
set percent(val) {
this.#percent = clamp(val, 0, 100);
if (isNaN(val)) {
this.#classList.add("indeterminate");
return;
}
this.#classList.remove("indeterminate");
this.#style.setProperty("--progressBar-percent", `${this.#percent}%`);
}
setWidth(viewer) {
if (!viewer) {
return;
}
const container = viewer.parentNode;
const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
if (scrollbarWidth > 0) {
this.#style.setProperty(
"--progressBar-end-offset",
`${scrollbarWidth}px`
);
}
}
setDisableAutoFetch(delay = 5000) {
if (isNaN(this.#percent)) {
return;
}
if (this.#disableAutoFetchTimeout) {
clearTimeout(this.#disableAutoFetchTimeout);
}
this.show();
this.#disableAutoFetchTimeout = setTimeout(() => {
this.#disableAutoFetchTimeout = null;
this.hide();
}, delay);
}
hide() {
if (!this.#visible) {
return;
}
this.#visible = false;
this.#classList.add("hidden");
}
show() {
if (this.#visible) {
return;
}
this.#visible = true;
this.#classList.remove("hidden");
}
}
exports.ProgressBar = ProgressBar;
function getActiveOrFocusedElement() {
let curRoot = document;
let curActiveOrFocused =
curRoot.activeElement || curRoot.querySelector(":focus");
while (curActiveOrFocused?.shadowRoot) {
curRoot = curActiveOrFocused.shadowRoot;
curActiveOrFocused =
curRoot.activeElement || curRoot.querySelector(":focus");
}
return curActiveOrFocused;
}
function apiPageLayoutToViewerModes(layout) {
let scrollMode = ScrollMode.VERTICAL,
spreadMode = SpreadMode.NONE;
switch (layout) {
case "SinglePage":
scrollMode = ScrollMode.PAGE;
break;
case "OneColumn":
break;
case "TwoPageLeft":
scrollMode = ScrollMode.PAGE;
case "TwoColumnLeft":
spreadMode = SpreadMode.ODD;
break;
case "TwoPageRight":
scrollMode = ScrollMode.PAGE;
case "TwoColumnRight":
spreadMode = SpreadMode.EVEN;
break;
}
return {
scrollMode,
spreadMode,
};
}
function apiPageModeToSidebarView(mode) {
switch (mode) {
case "UseNone":
return SidebarView.NONE;
case "UseThumbs":
return SidebarView.THUMBS;
case "UseOutlines":
return SidebarView.OUTLINE;
case "UseAttachments":
return SidebarView.ATTACHMENTS;
case "UseOC":
return SidebarView.LAYERS;
}
return SidebarView.NONE;
}
/***/
},
/* 4 */
/***/ (module) => {
let pdfjsLib;
if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) {
pdfjsLib = window["pdfjs-dist/build/pdf"];
} else {
pdfjsLib = require("../build/pdf.js");
}
module.exports = pdfjsLib;
/***/
},
/* 5 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.compatibilityParams =
exports.OptionKind =
exports.AppOptions =
void 0;
const compatibilityParams = Object.create(null);
exports.compatibilityParams = compatibilityParams;
{
const userAgent = navigator.userAgent || "";
const platform = navigator.platform || "";
const maxTouchPoints = navigator.maxTouchPoints || 1;
const isAndroid = /Android/.test(userAgent);
const isIOS =
/\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) ||
(platform === "MacIntel" && maxTouchPoints > 1);
(function checkCanvasSizeLimitation() {
if (isIOS || isAndroid) {
compatibilityParams.maxCanvasPixels = 5242880;
}
})();
}
const OptionKind = {
VIEWER: 0x02,
API: 0x04,
WORKER: 0x08,
PREFERENCE: 0x80,
};
exports.OptionKind = OptionKind;
const defaultOptions = {
annotationEditorMode: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
annotationMode: {
value: 2,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
cursorToolOnLoad: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
defaultZoomDelay: {
value: 400,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
defaultZoomValue: {
value: "",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
disableHistory: {
value: false,
kind: OptionKind.VIEWER,
},
disablePageLabels: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
enablePermissions: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
enablePrintAutoRotate: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
enableScripting: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
externalLinkRel: {
value: "noopener noreferrer nofollow",
kind: OptionKind.VIEWER,
},
externalLinkTarget: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
historyUpdateUrl: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
ignoreDestinationZoom: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
imageResourcesPath: {
value: "./images/",
kind: OptionKind.VIEWER,
},
maxCanvasPixels: {
value: 16777216,
kind: OptionKind.VIEWER,
},
forcePageColors: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
pageColorsBackground: {
value: "Canvas",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
pageColorsForeground: {
value: "CanvasText",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
pdfBugEnabled: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
printResolution: {
value: 150,
kind: OptionKind.VIEWER,
},
sidebarViewOnLoad: {
value: -1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
scrollModeOnLoad: {
value: -1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
spreadModeOnLoad: {
value: -1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
textLayerMode: {
value: 1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
useOnlyCssZoom: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
viewerCssTheme: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
viewOnLoad: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
},
cMapPacked: {
value: true,
kind: OptionKind.API,
},
cMapUrl: {
value: "../web/cmaps/",
kind: OptionKind.API,
},
disableAutoFetch: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE,
},
disableFontFace: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE,
},
disableRange: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE,
},
disableStream: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE,
},
docBaseUrl: {
value: "",
kind: OptionKind.API,
},
enableXfa: {
value: true,
kind: OptionKind.API + OptionKind.PREFERENCE,
},
fontExtraProperties: {
value: false,
kind: OptionKind.API,
},
isEvalSupported: {
value: true,
kind: OptionKind.API,
},
isOffscreenCanvasSupported: {
value: true,
kind: OptionKind.API,
},
maxImageSize: {
value: -1,
kind: OptionKind.API,
},
pdfBug: {
value: false,
kind: OptionKind.API,
},
standardFontDataUrl: {
value: "../web/standard_fonts/",
kind: OptionKind.API,
},
verbosity: {
value: 1,
kind: OptionKind.API,
},
workerPort: {
value: null,
kind: OptionKind.WORKER,
},
workerSrc: {
value: "../build/pdf.worker.js",
kind: OptionKind.WORKER,
},
};
{
defaultOptions.defaultUrl = {
value: "compressed.tracemonkey-pldi-09.pdf",
kind: OptionKind.VIEWER,
};
defaultOptions.disablePreferences = {
value: false,
kind: OptionKind.VIEWER,
};
defaultOptions.locale = {
value: navigator.language || "en-US",
kind: OptionKind.VIEWER,
};
defaultOptions.renderer = {
value: "canvas",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
};
defaultOptions.sandboxBundleSrc = {
value: "../build/pdf.sandbox.js",
kind: OptionKind.VIEWER,
};
}
const userOptions = Object.create(null);
class AppOptions {
constructor() {
throw new Error("Cannot initialize AppOptions.");
}
static get(name) {
const userOption = userOptions[name];
if (userOption !== undefined) {
return userOption;
}
const defaultOption = defaultOptions[name];
if (defaultOption !== undefined) {
return compatibilityParams[name] ?? defaultOption.value;
}
return undefined;
}
static getAll(kind = null) {
const options = Object.create(null);
for (const name in defaultOptions) {
const defaultOption = defaultOptions[name];
if (kind) {
if ((kind & defaultOption.kind) === 0) {
continue;
}
if (kind === OptionKind.PREFERENCE) {
const value = defaultOption.value,
valueType = typeof value;
if (
valueType === "boolean" ||
valueType === "string" ||
(valueType === "number" && Number.isInteger(value))
) {
options[name] = value;
continue;
}
throw new Error(`Invalid type for preference: ${name}`);
}
}
const userOption = userOptions[name];
options[name] =
userOption !== undefined
? userOption
: compatibilityParams[name] ?? defaultOption.value;
}
return options;
}
static set(name, value) {
userOptions[name] = value;
}
static setAll(options) {
for (const name in options) {
userOptions[name] = options[name];
}
}
static remove(name) {
delete userOptions[name];
}
}
exports.AppOptions = AppOptions;
{
AppOptions._hasUserOptions = function () {
return Object.keys(userOptions).length > 0;
};
}
/***/
},
/* 6 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.WaitOnType =
exports.EventBus =
exports.AutomationEventBus =
void 0;
exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
const WaitOnType = {
EVENT: "event",
TIMEOUT: "timeout",
};
exports.WaitOnType = WaitOnType;
function waitOnEventOrTimeout({ target, name, delay = 0 }) {
return new Promise(function (resolve, reject) {
if (
typeof target !== "object" ||
!(name && typeof name === "string") ||
!(Number.isInteger(delay) && delay >= 0)
) {
throw new Error("waitOnEventOrTimeout - invalid parameters.");
}
function handler(type) {
if (target instanceof EventBus) {
target._off(name, eventHandler);
} else {
target.removeEventListener(name, eventHandler);
}
if (timeout) {
clearTimeout(timeout);
}
resolve(type);
}
const eventHandler = handler.bind(null, WaitOnType.EVENT);
if (target instanceof EventBus) {
target._on(name, eventHandler);
} else {
target.addEventListener(name, eventHandler);
}
const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
const timeout = setTimeout(timeoutHandler, delay);
});
}
class EventBus {
#listeners = Object.create(null);
on(eventName, listener, options = null) {
this._on(eventName, listener, {
external: true,
once: options?.once,
});
}
off(eventName, listener, options = null) {
this._off(eventName, listener, {
external: true,
once: options?.once,
});
}
dispatch(eventName, data) {
const eventListeners = this.#listeners[eventName];
if (!eventListeners || eventListeners.length === 0) {
return;
}
let externalListeners;
for (const { listener, external, once } of eventListeners.slice(0)) {
if (once) {
this._off(eventName, listener);
}
if (external) {
(externalListeners ||= []).push(listener);
continue;
}
listener(data);
}
if (externalListeners) {
for (const listener of externalListeners) {
listener(data);
}
externalListeners = null;
}
}
_on(eventName, listener, options = null) {
const eventListeners = (this.#listeners[eventName] ||= []);
eventListeners.push({
listener,
external: options?.external === true,
once: options?.once === true,
});
}
_off(eventName, listener, options = null) {
const eventListeners = this.#listeners[eventName];
if (!eventListeners) {
return;
}
for (let i = 0, ii = eventListeners.length; i < ii; i++) {
if (eventListeners[i].listener === listener) {
eventListeners.splice(i, 1);
return;
}
}
}
}
exports.EventBus = EventBus;
class AutomationEventBus extends EventBus {
dispatch(eventName, data) {
throw new Error("Not implemented: AutomationEventBus.dispatch");
}
}
exports.AutomationEventBus = AutomationEventBus;
/***/
},
/* 7 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.SimpleLinkService =
exports.PDFLinkService =
exports.LinkTarget =
void 0;
var _ui_utils = __webpack_require__(3);
const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
const LinkTarget = {
NONE: 0,
SELF: 1,
BLANK: 2,
PARENT: 3,
TOP: 4,
};
exports.LinkTarget = LinkTarget;
function addLinkAttributes(
link,
{ url, target, rel, enabled = true } = {}
) {
if (!url || typeof url !== "string") {
throw new Error('A valid "url" parameter must provided.');
}
const urlNullRemoved = (0, _ui_utils.removeNullCharacters)(url);
if (enabled) {
link.href = link.title = urlNullRemoved;
} else {
link.href = "";
link.title = `Disabled: ${urlNullRemoved}`;
link.onclick = () => {
return false;
};
}
let targetStr = "";
switch (target) {
case LinkTarget.NONE:
break;
case LinkTarget.SELF:
targetStr = "_self";
break;
case LinkTarget.BLANK:
targetStr = "_blank";
break;
case LinkTarget.PARENT:
targetStr = "_parent";
break;
case LinkTarget.TOP:
targetStr = "_top";
break;
}
link.target = targetStr;
link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
}
class PDFLinkService {
#pagesRefCache = new Map();
constructor({
eventBus,
externalLinkTarget = null,
externalLinkRel = null,
ignoreDestinationZoom = false,
} = {}) {
this.eventBus = eventBus;
this.externalLinkTarget = externalLinkTarget;
this.externalLinkRel = externalLinkRel;
this.externalLinkEnabled = true;
this._ignoreDestinationZoom = ignoreDestinationZoom;
this.baseUrl = null;
this.pdfDocument = null;
this.pdfViewer = null;
this.pdfHistory = null;
}
setDocument(pdfDocument, baseUrl = null) {
this.baseUrl = baseUrl;
this.pdfDocument = pdfDocument;
this.#pagesRefCache.clear();
}
setViewer(pdfViewer) {
this.pdfViewer = pdfViewer;
}
setHistory(pdfHistory) {
this.pdfHistory = pdfHistory;
}
get pagesCount() {
return this.pdfDocument ? this.pdfDocument.numPages : 0;
}
get page() {
return this.pdfViewer.currentPageNumber;
}
set page(value) {
this.pdfViewer.currentPageNumber = value;
}
get rotation() {
return this.pdfViewer.pagesRotation;
}
set rotation(value) {
this.pdfViewer.pagesRotation = value;
}
get isInPresentationMode() {
return this.pdfViewer.isInPresentationMode;
}
#goToDestinationHelper(rawDest, namedDest = null, explicitDest) {
const destRef = explicitDest[0];
let pageNumber;
if (typeof destRef === "object" && destRef !== null) {
pageNumber = this._cachedPageNumber(destRef);
if (!pageNumber) {
this.pdfDocument
.getPageIndex(destRef)
.then((pageIndex) => {
this.cachePageRef(pageIndex + 1, destRef);
this.#goToDestinationHelper(rawDest, namedDest, explicitDest);
})
.catch(() => {
console.error(
`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` +
`a valid page reference, for dest="${rawDest}".`
);
});
return;
}
} else if (Number.isInteger(destRef)) {
pageNumber = destRef + 1;
} else {
console.error(
`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` +
`a valid destination reference, for dest="${rawDest}".`
);
return;
}
if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
console.error(
`PDFLinkService.#goToDestinationHelper: "${pageNumber}" is not ` +
`a valid page number, for dest="${rawDest}".`
);
return;
}
if (this.pdfHistory) {
this.pdfHistory.pushCurrentPosition();
this.pdfHistory.push({
namedDest,
explicitDest,
pageNumber,
});
}
this.pdfViewer.scrollPageIntoView({
pageNumber,
destArray: explicitDest,
ignoreDestinationZoom: this._ignoreDestinationZoom,
});
}
async goToDestination(dest) {
if (!this.pdfDocument) {
return;
}
let namedDest, explicitDest;
if (typeof dest === "string") {
namedDest = dest;
explicitDest = await this.pdfDocument.getDestination(dest);
} else {
namedDest = null;
explicitDest = await dest;
}
if (!Array.isArray(explicitDest)) {
console.error(
`PDFLinkService.goToDestination: "${explicitDest}" is not ` +
`a valid destination array, for dest="${dest}".`
);
return;
}
this.#goToDestinationHelper(dest, namedDest, explicitDest);
}
goToPage(val) {
if (!this.pdfDocument) {
return;
}
const pageNumber =
(typeof val === "string" &&
this.pdfViewer.pageLabelToPageNumber(val)) ||
val | 0;
if (
!(
Number.isInteger(pageNumber) &&
pageNumber > 0 &&
pageNumber <= this.pagesCount
)
) {
console.error(
`PDFLinkService.goToPage: "${val}" is not a valid page.`
);
return;
}
if (this.pdfHistory) {
this.pdfHistory.pushCurrentPosition();
this.pdfHistory.pushPage(pageNumber);
}
this.pdfViewer.scrollPageIntoView({
pageNumber,
});
}
addLinkAttributes(link, url, newWindow = false) {
addLinkAttributes(link, {
url,
target: newWindow ? LinkTarget.BLANK : this.externalLinkTarget,
rel: this.externalLinkRel,
enabled: this.externalLinkEnabled,
});
}
getDestinationHash(dest) {
if (typeof dest === "string") {
if (dest.length > 0) {
return this.getAnchorUrl("#" + escape(dest));
}
} else if (Array.isArray(dest)) {
const str = JSON.stringify(dest);
if (str.length > 0) {
return this.getAnchorUrl("#" + escape(str));
}
}
return this.getAnchorUrl("");
}
getAnchorUrl(anchor) {
return (this.baseUrl || "") + anchor;
}
setHash(hash) {
if (!this.pdfDocument) {
return;
}
let pageNumber, dest;
if (hash.includes("=")) {
const params = (0, _ui_utils.parseQueryString)(hash);
if (params.has("search")) {
this.eventBus.dispatch("findfromurlhash", {
source: this,
query: params.get("search").replace(/"/g, ""),
phraseSearch: params.get("phrase") === "true",
});
}
if (params.has("page")) {
pageNumber = params.get("page") | 0 || 1;
}
if (params.has("zoom")) {
const zoomArgs = params.get("zoom").split(",");
const zoomArg = zoomArgs[0];
const zoomArgNumber = parseFloat(zoomArg);
if (!zoomArg.includes("Fit")) {
dest = [
null,
{
name: "XYZ",
},
zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,
zoomArgs.length > 2 ? zoomArgs[2] | 0 : null,
zoomArgNumber ? zoomArgNumber / 100 : zoomArg,
];
} else {
if (zoomArg === "Fit" || zoomArg === "FitB") {
dest = [
null,
{
name: zoomArg,
},
];
} else if (
zoomArg === "FitH" ||
zoomArg === "FitBH" ||
zoomArg === "FitV" ||
zoomArg === "FitBV"
) {
dest = [
null,
{
name: zoomArg,
},
zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,
];
} else if (zoomArg === "FitR") {
if (zoomArgs.length !== 5) {
console.error(
'PDFLinkService.setHash: Not enough parameters for "FitR".'
);
} else {
dest = [
null,
{
name: zoomArg,
},
zoomArgs[1] | 0,
zoomArgs[2] | 0,
zoomArgs[3] | 0,
zoomArgs[4] | 0,
];
}
} else {
console.error(
`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`
);
}
}
}
if (dest) {
this.pdfViewer.scrollPageIntoView({
pageNumber: pageNumber || this.page,
destArray: dest,
allowNegativeOffset: true,
});
} else if (pageNumber) {
this.page = pageNumber;
}
if (params.has("pagemode")) {
this.eventBus.dispatch("pagemode", {
source: this,
mode: params.get("pagemode"),
});
}
if (params.has("nameddest")) {
this.goToDestination(params.get("nameddest"));
}
} else {
dest = unescape(hash);
try {
dest = JSON.parse(dest);
if (!Array.isArray(dest)) {
dest = dest.toString();
}
} catch (ex) { }
if (
typeof dest === "string" ||
PDFLinkService.#isValidExplicitDestination(dest)
) {
this.goToDestination(dest);
return;
}
console.error(
`PDFLinkService.setHash: "${unescape(
hash
)}" is not a valid destination.`
);
}
}
executeNamedAction(action) {
switch (action) {
case "GoBack":
this.pdfHistory?.back();
break;
case "GoForward":
this.pdfHistory?.forward();
break;
case "NextPage":
this.pdfViewer.nextPage();
break;
case "PrevPage":
this.pdfViewer.previousPage();
break;
case "LastPage":
this.page = this.pagesCount;
break;
case "FirstPage":
this.page = 1;
break;
default:
break;
}
this.eventBus.dispatch("namedaction", {
source: this,
action,
});
}
async executeSetOCGState(action) {
const pdfDocument = this.pdfDocument;
const optionalContentConfig = await this.pdfViewer
.optionalContentConfigPromise;
if (pdfDocument !== this.pdfDocument) {
return;
}
let operator;
for (const elem of action.state) {
switch (elem) {
case "ON":
case "OFF":
case "Toggle":
operator = elem;
continue;
}
switch (operator) {
case "ON":
optionalContentConfig.setVisibility(elem, true);
break;
case "OFF":
optionalContentConfig.setVisibility(elem, false);
break;
case "Toggle":
const group = optionalContentConfig.getGroup(elem);
if (group) {
optionalContentConfig.setVisibility(elem, !group.visible);
}
break;
}
}
this.pdfViewer.optionalContentConfigPromise = Promise.resolve(
optionalContentConfig
);
}
cachePageRef(pageNum, pageRef) {
if (!pageRef) {
return;
}
const refStr =
pageRef.gen === 0
? `${pageRef.num}R`
: `${pageRef.num}R${pageRef.gen}`;
this.#pagesRefCache.set(refStr, pageNum);
}
_cachedPageNumber(pageRef) {
if (!pageRef) {
return null;
}
const refStr =
pageRef.gen === 0
? `${pageRef.num}R`
: `${pageRef.num}R${pageRef.gen}`;
return this.#pagesRefCache.get(refStr) || null;
}
isPageVisible(pageNumber) {
return this.pdfViewer.isPageVisible(pageNumber);
}
isPageCached(pageNumber) {
return this.pdfViewer.isPageCached(pageNumber);
}
static #isValidExplicitDestination(dest) {
if (!Array.isArray(dest)) {
return false;
}
const destLength = dest.length;
if (destLength < 2) {
return false;
}
const page = dest[0];
if (
!(
typeof page === "object" &&
Number.isInteger(page.num) &&
Number.isInteger(page.gen)
) &&
!(Number.isInteger(page) && page >= 0)
) {
return false;
}
const zoom = dest[1];
if (!(typeof zoom === "object" && typeof zoom.name === "string")) {
return false;
}
let allowNull = true;
switch (zoom.name) {
case "XYZ":
if (destLength !== 5) {
return false;
}
break;
case "Fit":
case "FitB":
return destLength === 2;
case "FitH":
case "FitBH":
case "FitV":
case "FitBV":
if (destLength !== 3) {
return false;
}
break;
case "FitR":
if (destLength !== 6) {
return false;
}
allowNull = false;
break;
default:
return false;
}
for (let i = 2; i < destLength; i++) {
const param = dest[i];
if (!(typeof param === "number" || (allowNull && param === null))) {
return false;
}
}
return true;
}
}
exports.PDFLinkService = PDFLinkService;
class SimpleLinkService {
constructor() {
this.externalLinkEnabled = true;
}
get pagesCount() {
return 0;
}
get page() {
return 0;
}
set page(value) { }
get rotation() {
return 0;
}
set rotation(value) { }
get isInPresentationMode() {
return false;
}
async goToDestination(dest) { }
goToPage(val) { }
addLinkAttributes(link, url, newWindow = false) {
addLinkAttributes(link, {
url,
enabled: this.externalLinkEnabled,
});
}
getDestinationHash(dest) {
return "#";
}
getAnchorUrl(hash) {
return "#";
}
setHash(hash) { }
executeNamedAction(action) { }
executeSetOCGState(action) { }
cachePageRef(pageNum, pageRef) { }
isPageVisible(pageNumber) {
return true;
}
isPageCached(pageNumber) {
return true;
}
}
exports.SimpleLinkService = SimpleLinkService;
/***/
},
/* 8 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.AnnotationEditorParams = void 0;
var _pdfjsLib = __webpack_require__(4);
class AnnotationEditorParams {
constructor(options, eventBus) {
this.eventBus = eventBus;
this.#bindListeners(options);
}
#bindListeners({
editorFreeTextFontSize,
editorFreeTextColor,
editorInkColor,
editorInkThickness,
editorInkOpacity,
}) {
editorFreeTextFontSize.addEventListener("input", (evt) => {
this.eventBus.dispatch("switchannotationeditorparams", {
source: this,
type: _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE,
value: editorFreeTextFontSize.valueAsNumber,
});
});
editorFreeTextColor.addEventListener("input", (evt) => {
this.eventBus.dispatch("switchannotationeditorparams", {
source: this,
type: _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR,
value: editorFreeTextColor.value,
});
});
editorInkColor.addEventListener("input", (evt) => {
this.eventBus.dispatch("switchannotationeditorparams", {
source: this,
type: _pdfjsLib.AnnotationEditorParamsType.INK_COLOR,
value: editorInkColor.value,
});
});
editorInkThickness.addEventListener("input", (evt) => {
this.eventBus.dispatch("switchannotationeditorparams", {
source: this,
type: _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS,
value: editorInkThickness.valueAsNumber,
});
});
editorInkOpacity.addEventListener("input", (evt) => {
this.eventBus.dispatch("switchannotationeditorparams", {
source: this,
type: _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY,
value: editorInkOpacity.valueAsNumber,
});
});
this.eventBus._on("annotationeditorparamschanged", (evt) => {
for (const [type, value] of evt.details) {
switch (type) {
case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE:
editorFreeTextFontSize.value = value;
break;
case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR:
editorFreeTextColor.value = value;
break;
case _pdfjsLib.AnnotationEditorParamsType.INK_COLOR:
editorInkColor.value = value;
break;
case _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS:
editorInkThickness.value = value;
break;
case _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY:
editorInkOpacity.value = value;
break;
}
}
});
}
}
exports.AnnotationEditorParams = AnnotationEditorParams;
/***/
},
/* 9 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.OverlayManager = void 0;
class OverlayManager {
#overlays = new WeakMap();
#active = null;
get active() {
return this.#active;
}
async register(dialog, canForceClose = false) {
if (typeof dialog !== "object") {
throw new Error("Not enough parameters.");
} else if (this.#overlays.has(dialog)) {
throw new Error("The overlay is already registered.");
}
this.#overlays.set(dialog, {
canForceClose,
});
dialog.addEventListener("cancel", (evt) => {
this.#active = null;
});
}
async unregister(dialog) {
if (!this.#overlays.has(dialog)) {
throw new Error("The overlay does not exist.");
} else if (this.#active === dialog) {
throw new Error(
"The overlay cannot be removed while it is active."
);
}
this.#overlays.delete(dialog);
}
async open(dialog) {
if (!this.#overlays.has(dialog)) {
throw new Error("The overlay does not exist.");
} else if (this.#active) {
if (this.#active === dialog) {
throw new Error("The overlay is already active.");
} else if (this.#overlays.get(dialog).canForceClose) {
await this.close();
} else {
throw new Error("Another overlay is currently active.");
}
}
this.#active = dialog;
dialog.showModal();
}
async close(dialog = this.#active) {
if (!this.#overlays.has(dialog)) {
throw new Error("The overlay does not exist.");
} else if (!this.#active) {
throw new Error("The overlay is currently not active.");
} else if (this.#active !== dialog) {
throw new Error("Another overlay is currently active.");
}
dialog.close();
this.#active = null;
}
}
exports.OverlayManager = OverlayManager;
/***/
},
/* 10 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PasswordPrompt = void 0;
var _pdfjsLib = __webpack_require__(4);
class PasswordPrompt {
#activeCapability = null;
#updateCallback = null;
#reason = null;
constructor(options, overlayManager, l10n, isViewerEmbedded = false) {
this.dialog = options.dialog;
this.label = options.label;
this.input = options.input;
this.submitButton = options.submitButton;
this.cancelButton = options.cancelButton;
this.overlayManager = overlayManager;
this.l10n = l10n;
this._isViewerEmbedded = isViewerEmbedded;
this.submitButton.addEventListener("click", this.#verify.bind(this));
this.cancelButton.addEventListener("click", this.close.bind(this));
this.input.addEventListener("keydown", (e) => {
if (e.keyCode === 13) {
this.#verify();
}
});
this.overlayManager.register(this.dialog, true);
this.dialog.addEventListener("close", this.#cancel.bind(this));
}
async open() {
if (this.#activeCapability) {
await this.#activeCapability.promise;
}
this.#activeCapability = (0, _pdfjsLib.createPromiseCapability)();
try {
await this.overlayManager.open(this.dialog);
} catch (ex) {
this.#activeCapability = null;
throw ex;
}
const passwordIncorrect =
this.#reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD;
if (!this._isViewerEmbedded || passwordIncorrect) {
this.input.focus();
}
this.label.textContent = await this.l10n.get(
`password_${passwordIncorrect ? "invalid" : "label"}`
);
}
async close() {
if (this.overlayManager.active === this.dialog) {
this.overlayManager.close(this.dialog);
}
}
#verify() {
const password = this.input.value;
if (password?.length > 0) {
this.#invokeCallback(password);
}
}
#cancel() {
this.#invokeCallback(new Error("PasswordPrompt cancelled."));
this.#activeCapability.resolve();
}
#invokeCallback(password) {
if (!this.#updateCallback) {
return;
}
this.close();
this.input.value = "";
this.#updateCallback(password);
this.#updateCallback = null;
}
async setUpdateCallback(updateCallback, reason) {
if (this.#activeCapability) {
await this.#activeCapability.promise;
}
this.#updateCallback = updateCallback;
this.#reason = reason;
}
}
exports.PasswordPrompt = PasswordPrompt;
/***/
},
/* 11 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFAttachmentViewer = void 0;
var _pdfjsLib = __webpack_require__(4);
var _base_tree_viewer = __webpack_require__(12);
var _event_utils = __webpack_require__(6);
class PDFAttachmentViewer extends _base_tree_viewer.BaseTreeViewer {
constructor(options) {
super(options);
this.downloadManager = options.downloadManager;
this.eventBus._on(
"fileattachmentannotation",
this.#appendAttachment.bind(this)
);
}
reset(keepRenderedCapability = false) {
super.reset();
this._attachments = null;
if (!keepRenderedCapability) {
this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
}
this._pendingDispatchEvent = false;
}
async _dispatchEvent(attachmentsCount) {
this._renderedCapability.resolve();
if (attachmentsCount === 0 && !this._pendingDispatchEvent) {
this._pendingDispatchEvent = true;
await (0, _event_utils.waitOnEventOrTimeout)({
target: this.eventBus,
name: "annotationlayerrendered",
delay: 1000,
});
if (!this._pendingDispatchEvent) {
return;
}
}
this._pendingDispatchEvent = false;
this.eventBus.dispatch("attachmentsloaded", {
source: this,
attachmentsCount,
});
}
_bindLink(element, { content, filename }) {
element.onclick = () => {
this.downloadManager.openOrDownloadData(element, content, filename);
return false;
};
}
render({ attachments, keepRenderedCapability = false }) {
if (this._attachments) {
this.reset(keepRenderedCapability);
}
this._attachments = attachments || null;
if (!attachments) {
this._dispatchEvent(0);
return;
}
const names = Object.keys(attachments).sort(function (a, b) {
return a.toLowerCase().localeCompare(b.toLowerCase());
});
const fragment = document.createDocumentFragment();
let attachmentsCount = 0;
for (const name of names) {
const item = attachments[name];
const content = item.content,
filename = (0, _pdfjsLib.getFilenameFromUrl)(item.filename, true);
const div = document.createElement("div");
div.className = "treeItem";
const element = document.createElement("a");
this._bindLink(element, {
content,
filename,
});
element.textContent = this._normalizeTextContent(filename);
div.append(element);
fragment.append(div);
attachmentsCount++;
}
this._finishRendering(fragment, attachmentsCount);
}
#appendAttachment({ filename, content }) {
const renderedPromise = this._renderedCapability.promise;
renderedPromise.then(() => {
if (renderedPromise !== this._renderedCapability.promise) {
return;
}
const attachments = this._attachments || Object.create(null);
for (const name in attachments) {
if (filename === name) {
return;
}
}
attachments[filename] = {
filename,
content,
};
this.render({
attachments,
keepRenderedCapability: true,
});
});
}
}
exports.PDFAttachmentViewer = PDFAttachmentViewer;
/***/
},
/* 12 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.BaseTreeViewer = void 0;
var _ui_utils = __webpack_require__(3);
const TREEITEM_OFFSET_TOP = -100;
const TREEITEM_SELECTED_CLASS = "selected";
class BaseTreeViewer {
constructor(options) {
if (this.constructor === BaseTreeViewer) {
throw new Error("Cannot initialize BaseTreeViewer.");
}
this.container = options.container;
this.eventBus = options.eventBus;
this.reset();
}
reset() {
this._pdfDocument = null;
this._lastToggleIsShow = true;
this._currentTreeItem = null;
this.container.textContent = "";
this.container.classList.remove("treeWithDeepNesting");
}
_dispatchEvent(count) {
throw new Error("Not implemented: _dispatchEvent");
}
_bindLink(element, params) {
throw new Error("Not implemented: _bindLink");
}
_normalizeTextContent(str) {
return (0, _ui_utils.removeNullCharacters)(str, true) || "\u2013";
}
_addToggleButton(div, hidden = false) {
const toggler = document.createElement("div");
toggler.className = "treeItemToggler";
if (hidden) {
toggler.classList.add("treeItemsHidden");
}
toggler.onclick = (evt) => {
evt.stopPropagation();
toggler.classList.toggle("treeItemsHidden");
if (evt.shiftKey) {
const shouldShowAll =
!toggler.classList.contains("treeItemsHidden");
this._toggleTreeItem(div, shouldShowAll);
}
};
div.prepend(toggler);
}
_toggleTreeItem(root, show = false) {
this._lastToggleIsShow = show;
for (const toggler of root.querySelectorAll(".treeItemToggler")) {
toggler.classList.toggle("treeItemsHidden", !show);
}
}
_toggleAllTreeItems() {
this._toggleTreeItem(this.container, !this._lastToggleIsShow);
}
_finishRendering(fragment, count, hasAnyNesting = false) {
if (hasAnyNesting) {
this.container.classList.add("treeWithDeepNesting");
this._lastToggleIsShow =
!fragment.querySelector(".treeItemsHidden");
}
this.container.append(fragment);
this._dispatchEvent(count);
}
render(params) {
throw new Error("Not implemented: render");
}
_updateCurrentTreeItem(treeItem = null) {
if (this._currentTreeItem) {
this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS);
this._currentTreeItem = null;
}
if (treeItem) {
treeItem.classList.add(TREEITEM_SELECTED_CLASS);
this._currentTreeItem = treeItem;
}
}
_scrollToCurrentTreeItem(treeItem) {
if (!treeItem) {
return;
}
let currentNode = treeItem.parentNode;
while (currentNode && currentNode !== this.container) {
if (currentNode.classList.contains("treeItem")) {
const toggler = currentNode.firstElementChild;
toggler?.classList.remove("treeItemsHidden");
}
currentNode = currentNode.parentNode;
}
this._updateCurrentTreeItem(treeItem);
this.container.scrollTo(
treeItem.offsetLeft,
treeItem.offsetTop + TREEITEM_OFFSET_TOP
);
}
}
exports.BaseTreeViewer = BaseTreeViewer;
/***/
},
/* 13 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFCursorTools = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
var _grab_to_pan = __webpack_require__(14);
class PDFCursorTools {
constructor({
container,
eventBus,
cursorToolOnLoad = _ui_utils.CursorTool.SELECT,
}) {
this.container = container;
this.eventBus = eventBus;
this.active = _ui_utils.CursorTool.SELECT;
this.previouslyActive = null;
this.handTool = new _grab_to_pan.GrabToPan({
element: this.container,
});
this.#addEventListeners();
Promise.resolve().then(() => {
this.switchTool(cursorToolOnLoad);
});
}
get activeTool() {
return this.active;
}
switchTool(tool) {
if (this.previouslyActive !== null) {
return;
}
if (tool === this.active) {
return;
}
const disableActiveTool = () => {
switch (this.active) {
case _ui_utils.CursorTool.SELECT:
break;
case _ui_utils.CursorTool.HAND:
this.handTool.deactivate();
break;
case _ui_utils.CursorTool.ZOOM:
}
};
switch (tool) {
case _ui_utils.CursorTool.SELECT:
disableActiveTool();
break;
case _ui_utils.CursorTool.HAND:
disableActiveTool();
this.handTool.activate();
break;
case _ui_utils.CursorTool.ZOOM:
default:
console.error(`switchTool: "${tool}" is an unsupported value.`);
return;
}
this.active = tool;
this.#dispatchEvent();
}
#dispatchEvent() {
this.eventBus.dispatch("cursortoolchanged", {
source: this,
tool: this.active,
});
}
#addEventListeners() {
this.eventBus._on("switchcursortool", (evt) => {
this.switchTool(evt.tool);
});
let annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE,
presentationModeState = _ui_utils.PresentationModeState.NORMAL;
const disableActive = () => {
const previouslyActive = this.active;
this.switchTool(_ui_utils.CursorTool.SELECT);
this.previouslyActive ??= previouslyActive;
};
const enableActive = () => {
const previouslyActive = this.previouslyActive;
if (
previouslyActive !== null &&
annotationEditorMode === _pdfjsLib.AnnotationEditorType.NONE &&
presentationModeState === _ui_utils.PresentationModeState.NORMAL
) {
this.previouslyActive = null;
this.switchTool(previouslyActive);
}
};
this.eventBus._on("secondarytoolbarreset", (evt) => {
if (this.previouslyActive !== null) {
annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE;
presentationModeState = _ui_utils.PresentationModeState.NORMAL;
enableActive();
}
});
this.eventBus._on("annotationeditormodechanged", ({ mode }) => {
annotationEditorMode = mode;
if (mode === _pdfjsLib.AnnotationEditorType.NONE) {
enableActive();
} else {
disableActive();
}
});
this.eventBus._on("presentationmodechanged", ({ state }) => {
presentationModeState = state;
if (state === _ui_utils.PresentationModeState.NORMAL) {
enableActive();
} else if (state === _ui_utils.PresentationModeState.FULLSCREEN) {
disableActive();
}
});
}
}
exports.PDFCursorTools = PDFCursorTools;
/***/
},
/* 14 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.GrabToPan = void 0;
const CSS_CLASS_GRAB = "grab-to-pan-grab";
class GrabToPan {
constructor(options) {
this.element = options.element;
this.document = options.element.ownerDocument;
if (typeof options.ignoreTarget === "function") {
this.ignoreTarget = options.ignoreTarget;
}
this.onActiveChanged = options.onActiveChanged;
this.activate = this.activate.bind(this);
this.deactivate = this.deactivate.bind(this);
this.toggle = this.toggle.bind(this);
this._onMouseDown = this.#onMouseDown.bind(this);
this._onMouseMove = this.#onMouseMove.bind(this);
this._endPan = this.#endPan.bind(this);
const overlay = (this.overlay = document.createElement("div"));
overlay.className = "grab-to-pan-grabbing";
}
activate() {
if (!this.active) {
this.active = true;
this.element.addEventListener("mousedown", this._onMouseDown, true);
this.element.classList.add(CSS_CLASS_GRAB);
this.onActiveChanged?.(true);
}
}
deactivate() {
if (this.active) {
this.active = false;
this.element.removeEventListener(
"mousedown",
this._onMouseDown,
true
);
this._endPan();
this.element.classList.remove(CSS_CLASS_GRAB);
this.onActiveChanged?.(false);
}
}
toggle() {
if (this.active) {
this.deactivate();
} else {
this.activate();
}
}
ignoreTarget(node) {
return node.matches(
"a[href], a[href] *, input, textarea, button, button *, select, option"
);
}
#onMouseDown(event) {
if (event.button !== 0 || this.ignoreTarget(event.target)) {
return;
}
if (event.originalTarget) {
try {
event.originalTarget.tagName;
} catch (e) {
return;
}
}
this.scrollLeftStart = this.element.scrollLeft;
this.scrollTopStart = this.element.scrollTop;
this.clientXStart = event.clientX;
this.clientYStart = event.clientY;
this.document.addEventListener("mousemove", this._onMouseMove, true);
this.document.addEventListener("mouseup", this._endPan, true);
this.element.addEventListener("scroll", this._endPan, true);
event.preventDefault();
event.stopPropagation();
const focusedElement = document.activeElement;
if (focusedElement && !focusedElement.contains(event.target)) {
focusedElement.blur();
}
}
#onMouseMove(event) {
this.element.removeEventListener("scroll", this._endPan, true);
if (!(event.buttons & 1)) {
this._endPan();
return;
}
const xDiff = event.clientX - this.clientXStart;
const yDiff = event.clientY - this.clientYStart;
const scrollTop = this.scrollTopStart - yDiff;
const scrollLeft = this.scrollLeftStart - xDiff;
if (this.element.scrollTo) {
this.element.scrollTo({
top: scrollTop,
left: scrollLeft,
behavior: "instant",
});
} else {
this.element.scrollTop = scrollTop;
this.element.scrollLeft = scrollLeft;
}
if (!this.overlay.parentNode) {
document.body.append(this.overlay);
}
}
#endPan() {
this.element.removeEventListener("scroll", this._endPan, true);
this.document.removeEventListener(
"mousemove",
this._onMouseMove,
true
);
this.document.removeEventListener("mouseup", this._endPan, true);
this.overlay.remove();
}
}
exports.GrabToPan = GrabToPan;
/***/
},
/* 15 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFDocumentProperties = void 0;
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
const DEFAULT_FIELD_CONTENT = "-";
const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
const US_PAGE_NAMES = {
"8.5x11": "Letter",
"8.5x14": "Legal",
};
const METRIC_PAGE_NAMES = {
"297x420": "A3",
"210x297": "A4",
};
function getPageName(size, isPortrait, pageNames) {
const width = isPortrait ? size.width : size.height;
const height = isPortrait ? size.height : size.width;
return pageNames[`${width}x${height}`];
}
class PDFDocumentProperties {
#fieldData = null;
constructor(
{ dialog, fields, closeButton },
overlayManager,
eventBus,
l10n,
fileNameLookup
) {
this.dialog = dialog;
this.fields = fields;
this.overlayManager = overlayManager;
this.l10n = l10n;
this._fileNameLookup = fileNameLookup;
this.#reset();
closeButton.addEventListener("click", this.close.bind(this));
this.overlayManager.register(this.dialog);
eventBus._on("pagechanging", (evt) => {
this._currentPageNumber = evt.pageNumber;
});
eventBus._on("rotationchanging", (evt) => {
this._pagesRotation = evt.pagesRotation;
});
this._isNonMetricLocale = true;
l10n.getLanguage().then((locale) => {
this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
});
}
async open() {
await Promise.all([
this.overlayManager.open(this.dialog),
this._dataAvailableCapability.promise,
]);
const currentPageNumber = this._currentPageNumber;
const pagesRotation = this._pagesRotation;
if (
this.#fieldData &&
currentPageNumber === this.#fieldData._currentPageNumber &&
pagesRotation === this.#fieldData._pagesRotation
) {
this.#updateUI();
return;
}
const { info, contentLength } = await this.pdfDocument.getMetadata();
const [
fileName,
fileSize,
creationDate,
modificationDate,
pageSize,
isLinearized,
] = await Promise.all([
this._fileNameLookup(),
this.#parseFileSize(contentLength),
this.#parseDate(info.CreationDate),
this.#parseDate(info.ModDate),
this.pdfDocument.getPage(currentPageNumber).then((pdfPage) => {
return this.#parsePageSize(
(0, _ui_utils.getPageSizeInches)(pdfPage),
pagesRotation
);
}),
this.#parseLinearization(info.IsLinearized),
]);
this.#fieldData = Object.freeze({
fileName,
fileSize,
title: info.Title,
author: info.Author,
subject: info.Subject,
keywords: info.Keywords,
creationDate,
modificationDate,
creator: info.Creator,
producer: info.Producer,
version: info.PDFFormatVersion,
pageCount: this.pdfDocument.numPages,
pageSize,
linearized: isLinearized,
_currentPageNumber: currentPageNumber,
_pagesRotation: pagesRotation,
});
this.#updateUI();
const { length } = await this.pdfDocument.getDownloadInfo();
if (contentLength === length) {
return;
}
const data = Object.assign(Object.create(null), this.#fieldData);
data.fileSize = await this.#parseFileSize(length);
this.#fieldData = Object.freeze(data);
this.#updateUI();
}
async close() {
this.overlayManager.close(this.dialog);
}
setDocument(pdfDocument) {
if (this.pdfDocument) {
this.#reset();
this.#updateUI(true);
}
if (!pdfDocument) {
return;
}
this.pdfDocument = pdfDocument;
this._dataAvailableCapability.resolve();
}
#reset() {
this.pdfDocument = null;
this.#fieldData = null;
this._dataAvailableCapability = (0,
_pdfjsLib.createPromiseCapability)();
this._currentPageNumber = 1;
this._pagesRotation = 0;
}
#updateUI(reset = false) {
if (reset || !this.#fieldData) {
for (const id in this.fields) {
this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
}
return;
}
if (this.overlayManager.active !== this.dialog) {
return;
}
for (const id in this.fields) {
const content = this.#fieldData[id];
this.fields[id].textContent =
content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
}
}
async #parseFileSize(fileSize = 0) {
const kb = fileSize / 1024,
mb = kb / 1024;
if (!kb) {
return undefined;
}
return this.l10n.get(`document_properties_${mb >= 1 ? "mb" : "kb"}`, {
size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(),
size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(),
size_b: fileSize.toLocaleString(),
});
}
async #parsePageSize(pageSizeInches, pagesRotation) {
if (!pageSizeInches) {
return undefined;
}
if (pagesRotation % 180 !== 0) {
pageSizeInches = {
width: pageSizeInches.height,
height: pageSizeInches.width,
};
}
const isPortrait = (0, _ui_utils.isPortraitOrientation)(
pageSizeInches
);
let sizeInches = {
width: Math.round(pageSizeInches.width * 100) / 100,
height: Math.round(pageSizeInches.height * 100) / 100,
};
let sizeMillimeters = {
width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
height: Math.round(pageSizeInches.height * 25.4 * 10) / 10,
};
let rawName =
getPageName(sizeInches, isPortrait, US_PAGE_NAMES) ||
getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
if (
!rawName &&
!(
Number.isInteger(sizeMillimeters.width) &&
Number.isInteger(sizeMillimeters.height)
)
) {
const exactMillimeters = {
width: pageSizeInches.width * 25.4,
height: pageSizeInches.height * 25.4,
};
const intMillimeters = {
width: Math.round(sizeMillimeters.width),
height: Math.round(sizeMillimeters.height),
};
if (
Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 &&
Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1
) {
rawName = getPageName(
intMillimeters,
isPortrait,
METRIC_PAGE_NAMES
);
if (rawName) {
sizeInches = {
width: Math.round((intMillimeters.width / 25.4) * 100) / 100,
height:
Math.round((intMillimeters.height / 25.4) * 100) / 100,
};
sizeMillimeters = intMillimeters;
}
}
}
const [{ width, height }, unit, name, orientation] =
await Promise.all([
this._isNonMetricLocale ? sizeInches : sizeMillimeters,
this.l10n.get(
`document_properties_page_size_unit_${this._isNonMetricLocale ? "inches" : "millimeters"
}`
),
rawName &&
this.l10n.get(
`document_properties_page_size_name_${rawName.toLowerCase()}`
),
this.l10n.get(
`document_properties_page_size_orientation_${isPortrait ? "portrait" : "landscape"
}`
),
]);
return this.l10n.get(
`document_properties_page_size_dimension_${name ? "name_" : ""
}string`,
{
width: width.toLocaleString(),
height: height.toLocaleString(),
unit,
name,
orientation,
}
);
}
async #parseDate(inputDate) {
const dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate);
if (!dateObject) {
return undefined;
}
return this.l10n.get("document_properties_date_string", {
date: dateObject.toLocaleDateString(),
time: dateObject.toLocaleTimeString(),
});
}
#parseLinearization(isLinearized) {
return this.l10n.get(
`document_properties_linearized_${isLinearized ? "yes" : "no"}`
);
}
}
exports.PDFDocumentProperties = PDFDocumentProperties;
/***/
},
/* 16 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFFindBar = void 0;
var _pdf_find_controller = __webpack_require__(17);
const MATCHES_COUNT_LIMIT = 1000;
class PDFFindBar {
constructor(options, eventBus, l10n) {
this.opened = false;
this.bar = options.bar;
this.toggleButton = options.toggleButton;
this.findField = options.findField;
this.highlightAll = options.highlightAllCheckbox;
this.caseSensitive = options.caseSensitiveCheckbox;
this.matchDiacritics = options.matchDiacriticsCheckbox;
this.entireWord = options.entireWordCheckbox;
this.findMsg = options.findMsg;
this.findResultsCount = options.findResultsCount;
this.findPreviousButton = options.findPreviousButton;
this.findNextButton = options.findNextButton;
this.eventBus = eventBus;
this.l10n = l10n;
this.toggleButton.addEventListener("click", () => {
this.toggle();
});
this.findField.addEventListener("input", () => {
this.dispatchEvent("");
});
this.bar.addEventListener("keydown", (e) => {
switch (e.keyCode) {
case 13:
if (e.target === this.findField) {
this.dispatchEvent("again", e.shiftKey);
}
break;
case 27:
this.close();
break;
}
});
this.findPreviousButton.addEventListener("click", () => {
this.dispatchEvent("again", true);
});
this.findNextButton.addEventListener("click", () => {
this.dispatchEvent("again", false);
});
this.highlightAll.addEventListener("click", () => {
this.dispatchEvent("highlightallchange");
});
this.caseSensitive.addEventListener("click", () => {
this.dispatchEvent("casesensitivitychange");
});
this.entireWord.addEventListener("click", () => {
this.dispatchEvent("entirewordchange");
});
this.matchDiacritics.addEventListener("click", () => {
this.dispatchEvent("diacriticmatchingchange");
});
this.eventBus._on("resize", this.#adjustWidth.bind(this));
}
reset() {
this.updateUIState();
}
dispatchEvent(type, findPrev = false) {
this.eventBus.dispatch("find", {
source: this,
type,
query: this.findField.value,
phraseSearch: true,
caseSensitive: this.caseSensitive.checked,
entireWord: this.entireWord.checked,
highlightAll: this.highlightAll.checked,
findPrevious: findPrev,
matchDiacritics: this.matchDiacritics.checked,
});
}
updateUIState(state, previous, matchesCount) {
let findMsg = Promise.resolve("");
let status = "";
switch (state) {
case _pdf_find_controller.FindState.FOUND:
break;
case _pdf_find_controller.FindState.PENDING:
status = "pending";
break;
case _pdf_find_controller.FindState.NOT_FOUND:
findMsg = this.l10n.get("find_not_found");
status = "notFound";
break;
case _pdf_find_controller.FindState.WRAPPED:
findMsg = this.l10n.get(
`find_reached_${previous ? "top" : "bottom"}`
);
break;
}
this.findField.setAttribute("data-status", status);
this.findField.setAttribute(
"aria-invalid",
state === _pdf_find_controller.FindState.NOT_FOUND
);
findMsg.then((msg) => {
this.findMsg.textContent = msg;
this.#adjustWidth();
});
this.updateResultsCount(matchesCount);
}
updateResultsCount({ current = 0, total = 0 } = {}) {
const limit = MATCHES_COUNT_LIMIT;
let matchCountMsg = Promise.resolve("");
if (total > 0) {
if (total > limit) {
let key = "find_match_count_limit";
matchCountMsg = this.l10n.get(key, {
limit,
});
} else {
let key = "find_match_count";
matchCountMsg = this.l10n.get(key, {
current,
total,
});
}
}
matchCountMsg.then((msg) => {
this.findResultsCount.textContent = msg;
this.#adjustWidth();
});
}
open() {
if (!this.opened) {
this.opened = true;
this.toggleButton.classList.add("toggled");
this.toggleButton.setAttribute("aria-expanded", "true");
this.bar.classList.remove("hidden");
}
this.findField.select();
this.findField.focus();
this.#adjustWidth();
}
close() {
if (!this.opened) {
return;
}
this.opened = false;
this.toggleButton.classList.remove("toggled");
this.toggleButton.setAttribute("aria-expanded", "false");
this.bar.classList.add("hidden");
this.eventBus.dispatch("findbarclose", {
source: this,
});
}
toggle() {
if (this.opened) {
this.close();
} else {
this.open();
}
}
#adjustWidth() {
if (!this.opened) {
return;
}
this.bar.classList.remove("wrapContainers");
const findbarHeight = this.bar.clientHeight;
const inputContainerHeight = this.bar.firstElementChild.clientHeight;
if (findbarHeight > inputContainerHeight) {
this.bar.classList.add("wrapContainers");
}
}
}
exports.PDFFindBar = PDFFindBar;
/***/
},
/* 17 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFFindController = exports.FindState = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
var _pdf_find_utils = __webpack_require__(18);
const FindState = {
FOUND: 0,
NOT_FOUND: 1,
WRAPPED: 2,
PENDING: 3,
};
exports.FindState = FindState;
const FIND_TIMEOUT = 250;
const MATCH_SCROLL_OFFSET_TOP = -50;
const MATCH_SCROLL_OFFSET_LEFT = -400;
const CHARACTERS_TO_NORMALIZE = {
"\u2010": "-",
"\u2018": "'",
"\u2019": "'",
"\u201A": "'",
"\u201B": "'",
"\u201C": '"',
"\u201D": '"',
"\u201E": '"',
"\u201F": '"',
"\u00BC": "1/4",
"\u00BD": "1/2",
"\u00BE": "3/4",
};
const DIACRITICS_EXCEPTION = new Set([
0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d,
0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039,
0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2,
0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed,
0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74,
]);
let DIACRITICS_EXCEPTION_STR;
const DIACRITICS_REG_EXP = /\p{M}+/gu;
const SPECIAL_CHARS_REG_EXP =
/([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu;
const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u;
const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u;
const SYLLABLES_REG_EXP =
/[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g;
const SYLLABLES_LENGTHS = new Map();
const FIRST_CHAR_SYLLABLES_REG_EXP =
"[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]";
const NFKC_CHARS_TO_NORMALIZE = new Map();
let noSyllablesRegExp = null;
let withSyllablesRegExp = null;
function normalize(text) {
const syllablePositions = [];
let m;
while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) {
let { index } = m;
for (const char of m[0]) {
let len = SYLLABLES_LENGTHS.get(char);
if (!len) {
len = char.normalize("NFD").length;
SYLLABLES_LENGTHS.set(char, len);
}
syllablePositions.push([len, index++]);
}
}
let normalizationRegex;
if (syllablePositions.length === 0 && noSyllablesRegExp) {
normalizationRegex = noSyllablesRegExp;
} else if (syllablePositions.length > 0 && withSyllablesRegExp) {
normalizationRegex = withSyllablesRegExp;
} else {
const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
const toNormalizeWithNFKC =
"\u2460-\u2473" +
"\u24b6-\u24ff" +
"\u3244-\u32bf" +
"\u32d0-\u32fe" +
"\uff00-\uffef";
const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])";
const HKDiacritics = "(?:\u3099|\u309A)";
const regexp = `([${replace}])|([${toNormalizeWithNFKC}])|(${HKDiacritics}\\n)|(\\p{M}+(?:-\\n)?)|(\\S-\\n)|(${CJK}\\n)|(\\n)`;
if (syllablePositions.length === 0) {
normalizationRegex = noSyllablesRegExp = new RegExp(
regexp + "|(\\u0000)",
"gum"
);
} else {
normalizationRegex = withSyllablesRegExp = new RegExp(
regexp + `|(${FIRST_CHAR_SYLLABLES_REG_EXP})`,
"gum"
);
}
}
const rawDiacriticsPositions = [];
while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) {
rawDiacriticsPositions.push([m[0].length, m.index]);
}
let normalized = text.normalize("NFD");
const positions = [[0, 0]];
let rawDiacriticsIndex = 0;
let syllableIndex = 0;
let shift = 0;
let shiftOrigin = 0;
let eol = 0;
let hasDiacritics = false;
normalized = normalized.replace(
normalizationRegex,
(match, p1, p2, p3, p4, p5, p6, p7, p8, i) => {
i -= shiftOrigin;
if (p1) {
const replacement = CHARACTERS_TO_NORMALIZE[p1];
const jj = replacement.length;
for (let j = 1; j < jj; j++) {
positions.push([i - shift + j, shift - j]);
}
shift -= jj - 1;
return replacement;
}
if (p2) {
let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2);
if (!replacement) {
replacement = p2.normalize("NFKC");
NFKC_CHARS_TO_NORMALIZE.set(p2, replacement);
}
const jj = replacement.length;
for (let j = 1; j < jj; j++) {
positions.push([i - shift + j, shift - j]);
}
shift -= jj - 1;
return replacement;
}
if (p3) {
hasDiacritics = true;
if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
++rawDiacriticsIndex;
} else {
positions.push([i - 1 - shift + 1, shift - 1]);
shift -= 1;
shiftOrigin += 1;
}
positions.push([i - shift + 1, shift]);
shiftOrigin += 1;
eol += 1;
return p3.charAt(0);
}
if (p4) {
const hasTrailingDashEOL = p4.endsWith("\n");
const len = hasTrailingDashEOL ? p4.length - 2 : p4.length;
hasDiacritics = true;
let jj = len;
if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
jj -= rawDiacriticsPositions[rawDiacriticsIndex][0];
++rawDiacriticsIndex;
}
for (let j = 1; j <= jj; j++) {
positions.push([i - 1 - shift + j, shift - j]);
}
shift -= jj;
shiftOrigin += jj;
if (hasTrailingDashEOL) {
i += len - 1;
positions.push([i - shift + 1, 1 + shift]);
shift += 1;
shiftOrigin += 1;
eol += 1;
return p4.slice(0, len);
}
return p4;
}
if (p5) {
const len = p5.length - 2;
positions.push([i - shift + len, 1 + shift]);
shift += 1;
shiftOrigin += 1;
eol += 1;
return p5.slice(0, -2);
}
if (p6) {
const len = p6.length - 1;
positions.push([i - shift + len, shift]);
shiftOrigin += 1;
eol += 1;
return p6.slice(0, -1);
}
if (p7) {
positions.push([i - shift + 1, shift - 1]);
shift -= 1;
shiftOrigin += 1;
eol += 1;
return " ";
}
if (i + eol === syllablePositions[syllableIndex]?.[1]) {
const newCharLen = syllablePositions[syllableIndex][0] - 1;
++syllableIndex;
for (let j = 1; j <= newCharLen; j++) {
positions.push([i - (shift - j), shift - j]);
}
shift -= newCharLen;
shiftOrigin += newCharLen;
}
return p8;
}
);
positions.push([normalized.length, shift]);
return [normalized, positions, hasDiacritics];
}
function getOriginalIndex(diffs, pos, len) {
if (!diffs) {
return [pos, len];
}
const start = pos;
const end = pos + len;
let i = (0, _ui_utils.binarySearchFirstItem)(
diffs,
(x) => x[0] >= start
);
if (diffs[i][0] > start) {
--i;
}
let j = (0, _ui_utils.binarySearchFirstItem)(
diffs,
(x) => x[0] >= end,
i
);
if (diffs[j][0] > end) {
--j;
}
return [start + diffs[i][1], len + diffs[j][1] - diffs[i][1]];
}
class PDFFindController {
#updateMatchesCountOnProgress = true;
#visitedPagesCount = 0;
constructor({
linkService,
eventBus,
updateMatchesCountOnProgress = true,
}) {
this._linkService = linkService;
this._eventBus = eventBus;
this.#updateMatchesCountOnProgress = updateMatchesCountOnProgress;
this.#reset();
eventBus._on("find", this.#onFind.bind(this));
eventBus._on("findbarclose", this.#onFindBarClose.bind(this));
}
get highlightMatches() {
return this._highlightMatches;
}
get pageMatches() {
return this._pageMatches;
}
get pageMatchesLength() {
return this._pageMatchesLength;
}
get selected() {
return this._selected;
}
get state() {
return this._state;
}
setDocument(pdfDocument) {
if (this._pdfDocument) {
this.#reset();
}
if (!pdfDocument) {
return;
}
this._pdfDocument = pdfDocument;
this._firstPageCapability.resolve();
}
#onFind(state) {
if (!state) {
return;
}
const pdfDocument = this._pdfDocument;
const { type } = state;
if (this._state === null || this.#shouldDirtyMatch(state)) {
this._dirtyMatch = true;
}
this._state = state;
if (type !== "highlightallchange") {
this.#updateUIState(FindState.PENDING);
}
this._firstPageCapability.promise.then(() => {
if (
!this._pdfDocument ||
(pdfDocument && this._pdfDocument !== pdfDocument)
) {
return;
}
this.#extractText();
const findbarClosed = !this._highlightMatches;
const pendingTimeout = !!this._findTimeout;
if (this._findTimeout) {
clearTimeout(this._findTimeout);
this._findTimeout = null;
}
if (!type) {
this._findTimeout = setTimeout(() => {
this.#nextMatch();
this._findTimeout = null;
}, FIND_TIMEOUT);
} else if (this._dirtyMatch) {
this.#nextMatch();
} else if (type === "again") {
this.#nextMatch();
if (findbarClosed && this._state.highlightAll) {
this.#updateAllPages();
}
} else if (type === "highlightallchange") {
if (pendingTimeout) {
this.#nextMatch();
} else {
this._highlightMatches = true;
}
this.#updateAllPages();
} else {
this.#nextMatch();
}
});
}
scrollMatchIntoView({
element = null,
selectedLeft = 0,
pageIndex = -1,
matchIndex = -1,
}) {
if (!this._scrollMatches || !element) {
return;
} else if (
matchIndex === -1 ||
matchIndex !== this._selected.matchIdx
) {
return;
} else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
return;
}
this._scrollMatches = false;
const spot = {
top: MATCH_SCROLL_OFFSET_TOP,
left: selectedLeft + MATCH_SCROLL_OFFSET_LEFT,
};
(0, _ui_utils.scrollIntoView)(element, spot, true);
}
#reset() {
this._highlightMatches = false;
this._scrollMatches = false;
this._pdfDocument = null;
this._pageMatches = [];
this._pageMatchesLength = [];
this.#visitedPagesCount = 0;
this._state = null;
this._selected = {
pageIdx: -1,
matchIdx: -1,
};
this._offset = {
pageIdx: null,
matchIdx: null,
wrapped: false,
};
this._extractTextPromises = [];
this._pageContents = [];
this._pageDiffs = [];
this._hasDiacritics = [];
this._matchesCountTotal = 0;
this._pagesToSearch = null;
this._pendingFindMatches = new Set();
this._resumePageIdx = null;
this._dirtyMatch = false;
clearTimeout(this._findTimeout);
this._findTimeout = null;
this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
}
get #query() {
if (this._state.query !== this._rawQuery) {
this._rawQuery = this._state.query;
[this._normalizedQuery] = normalize(this._state.query);
}
return this._normalizedQuery;
}
#shouldDirtyMatch(state) {
if (state.query !== this._state.query) {
return true;
}
switch (state.type) {
case "again":
const pageNumber = this._selected.pageIdx + 1;
const linkService = this._linkService;
if (
pageNumber >= 1 &&
pageNumber <= linkService.pagesCount &&
pageNumber !== linkService.page &&
!linkService.isPageVisible(pageNumber)
) {
return true;
}
return false;
case "highlightallchange":
return false;
}
return true;
}
#isEntireWord(content, startIdx, length) {
let match = content
.slice(0, startIdx)
.match(NOT_DIACRITIC_FROM_END_REG_EXP);
if (match) {
const first = content.charCodeAt(startIdx);
const limit = match[1].charCodeAt(0);
if (
(0, _pdf_find_utils.getCharacterType)(first) ===
(0, _pdf_find_utils.getCharacterType)(limit)
) {
return false;
}
}
match = content
.slice(startIdx + length)
.match(NOT_DIACRITIC_FROM_START_REG_EXP);
if (match) {
const last = content.charCodeAt(startIdx + length - 1);
const limit = match[1].charCodeAt(0);
if (
(0, _pdf_find_utils.getCharacterType)(last) ===
(0, _pdf_find_utils.getCharacterType)(limit)
) {
return false;
}
}
return true;
}
#calculateRegExpMatch(query, entireWord, pageIndex, pageContent) {
const matches = (this._pageMatches[pageIndex] = []);
const matchesLength = (this._pageMatchesLength[pageIndex] = []);
if (!query) {
return;
}
const diffs = this._pageDiffs[pageIndex];
let match;
while ((match = query.exec(pageContent)) !== null) {
if (
entireWord &&
!this.#isEntireWord(pageContent, match.index, match[0].length)
) {
continue;
}
const [matchPos, matchLen] = getOriginalIndex(
diffs,
match.index,
match[0].length
);
if (matchLen) {
matches.push(matchPos);
matchesLength.push(matchLen);
}
}
}
#convertToRegExpString(query, hasDiacritics) {
const { matchDiacritics } = this._state;
let isUnicode = false;
query = query.replace(
SPECIAL_CHARS_REG_EXP,
(match, p1, p2, p3, p4, p5) => {
if (p1) {
return `[ ]*\\${p1}[ ]*`;
}
if (p2) {
return `[ ]*${p2}[ ]*`;
}
if (p3) {
return "[ ]+";
}
if (matchDiacritics) {
return p4 || p5;
}
if (p4) {
return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : "";
}
if (hasDiacritics) {
isUnicode = true;
return `${p5}\\p{M}*`;
}
return p5;
}
);
const trailingSpaces = "[ ]*";
if (query.endsWith(trailingSpaces)) {
query = query.slice(0, query.length - trailingSpaces.length);
}
if (matchDiacritics) {
if (hasDiacritics) {
DIACRITICS_EXCEPTION_STR ||= String.fromCharCode(
...DIACRITICS_EXCEPTION
);
isUnicode = true;
query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`;
}
}
return [isUnicode, query];
}
#calculateMatch(pageIndex) {
let query = this.#query;
if (!query) {
return;
}
const { caseSensitive, entireWord, phraseSearch } = this._state;
const pageContent = this._pageContents[pageIndex];
const hasDiacritics = this._hasDiacritics[pageIndex];
let isUnicode = false;
if (phraseSearch) {
[isUnicode, query] = this.#convertToRegExpString(
query,
hasDiacritics
);
} else {
const match = query.match(/\S+/g);
if (match) {
query = match
.sort()
.reverse()
.map((q) => {
const [isUnicodePart, queryPart] =
this.#convertToRegExpString(q, hasDiacritics);
isUnicode ||= isUnicodePart;
return `(${queryPart})`;
})
.join("|");
}
}
const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`;
query = query ? new RegExp(query, flags) : null;
this.#calculateRegExpMatch(query, entireWord, pageIndex, pageContent);
if (this._state.highlightAll) {
this.#updatePage(pageIndex);
}
if (this._resumePageIdx === pageIndex) {
this._resumePageIdx = null;
this.#nextPageMatch();
}
const pageMatchesCount = this._pageMatches[pageIndex].length;
this._matchesCountTotal += pageMatchesCount;
if (this.#updateMatchesCountOnProgress) {
if (pageMatchesCount > 0) {
this.#updateUIResultsCount();
}
} else if (
++this.#visitedPagesCount === this._linkService.pagesCount
) {
this.#updateUIResultsCount();
}
}
#extractText() {
if (this._extractTextPromises.length > 0) {
return;
}
let promise = Promise.resolve();
for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
const extractTextCapability = (0,
_pdfjsLib.createPromiseCapability)();
this._extractTextPromises[i] = extractTextCapability.promise;
promise = promise.then(() => {
return this._pdfDocument
.getPage(i + 1)
.then((pdfPage) => {
return pdfPage.getTextContent();
})
.then(
(textContent) => {
const strBuf = [];
for (const textItem of textContent.items) {
strBuf.push(textItem.str);
if (textItem.hasEOL) {
strBuf.push("\n");
}
}
[
this._pageContents[i],
this._pageDiffs[i],
this._hasDiacritics[i],
] = normalize(strBuf.join(""));
extractTextCapability.resolve();
},
(reason) => {
console.error(
`Unable to get text content for page ${i + 1}`,
reason
);
this._pageContents[i] = "";
this._pageDiffs[i] = null;
this._hasDiacritics[i] = false;
extractTextCapability.resolve();
}
);
});
}
}
#updatePage(index) {
if (this._scrollMatches && this._selected.pageIdx === index) {
this._linkService.page = index + 1;
}
this._eventBus.dispatch("updatetextlayermatches", {
source: this,
pageIndex: index,
});
}
#updateAllPages() {
this._eventBus.dispatch("updatetextlayermatches", {
source: this,
pageIndex: -1,
});
}
#nextMatch() {
const previous = this._state.findPrevious;
const currentPageIndex = this._linkService.page - 1;
const numPages = this._linkService.pagesCount;
this._highlightMatches = true;
if (this._dirtyMatch) {
this._dirtyMatch = false;
this._selected.pageIdx = this._selected.matchIdx = -1;
this._offset.pageIdx = currentPageIndex;
this._offset.matchIdx = null;
this._offset.wrapped = false;
this._resumePageIdx = null;
this._pageMatches.length = 0;
this._pageMatchesLength.length = 0;
this.#visitedPagesCount = 0;
this._matchesCountTotal = 0;
this.#updateAllPages();
for (let i = 0; i < numPages; i++) {
if (this._pendingFindMatches.has(i)) {
continue;
}
this._pendingFindMatches.add(i);
this._extractTextPromises[i].then(() => {
this._pendingFindMatches.delete(i);
this.#calculateMatch(i);
});
}
}
if (!this.#query) {
this.#updateUIState(FindState.FOUND);
return;
}
if (this._resumePageIdx) {
return;
}
const offset = this._offset;
this._pagesToSearch = numPages;
if (offset.matchIdx !== null) {
const numPageMatches = this._pageMatches[offset.pageIdx].length;
if (
(!previous && offset.matchIdx + 1 < numPageMatches) ||
(previous && offset.matchIdx > 0)
) {
offset.matchIdx = previous
? offset.matchIdx - 1
: offset.matchIdx + 1;
this.#updateMatch(true);
return;
}
this.#advanceOffsetPage(previous);
}
this.#nextPageMatch();
}
#matchesReady(matches) {
const offset = this._offset;
const numMatches = matches.length;
const previous = this._state.findPrevious;
if (numMatches) {
offset.matchIdx = previous ? numMatches - 1 : 0;
this.#updateMatch(true);
return true;
}
this.#advanceOffsetPage(previous);
if (offset.wrapped) {
offset.matchIdx = null;
if (this._pagesToSearch < 0) {
this.#updateMatch(false);
return true;
}
}
return false;
}
#nextPageMatch() {
if (this._resumePageIdx !== null) {
console.error("There can only be one pending page.");
}
let matches = null;
do {
const pageIdx = this._offset.pageIdx;
matches = this._pageMatches[pageIdx];
if (!matches) {
this._resumePageIdx = pageIdx;
break;
}
} while (!this.#matchesReady(matches));
}
#advanceOffsetPage(previous) {
const offset = this._offset;
const numPages = this._linkService.pagesCount;
offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
offset.matchIdx = null;
this._pagesToSearch--;
if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
offset.pageIdx = previous ? numPages - 1 : 0;
offset.wrapped = true;
}
}
#updateMatch(found = false) {
let state = FindState.NOT_FOUND;
const wrapped = this._offset.wrapped;
this._offset.wrapped = false;
if (found) {
const previousPage = this._selected.pageIdx;
this._selected.pageIdx = this._offset.pageIdx;
this._selected.matchIdx = this._offset.matchIdx;
state = wrapped ? FindState.WRAPPED : FindState.FOUND;
if (
previousPage !== -1 &&
previousPage !== this._selected.pageIdx
) {
this.#updatePage(previousPage);
}
}
this.#updateUIState(state, this._state.findPrevious);
if (this._selected.pageIdx !== -1) {
this._scrollMatches = true;
this.#updatePage(this._selected.pageIdx);
}
}
#onFindBarClose(evt) {
const pdfDocument = this._pdfDocument;
this._firstPageCapability.promise.then(() => {
if (
!this._pdfDocument ||
(pdfDocument && this._pdfDocument !== pdfDocument)
) {
return;
}
if (this._findTimeout) {
clearTimeout(this._findTimeout);
this._findTimeout = null;
}
if (this._resumePageIdx) {
this._resumePageIdx = null;
this._dirtyMatch = true;
}
this.#updateUIState(FindState.FOUND);
this._highlightMatches = false;
this.#updateAllPages();
});
}
#requestMatchesCount() {
const { pageIdx, matchIdx } = this._selected;
let current = 0,
total = this._matchesCountTotal;
if (matchIdx !== -1) {
for (let i = 0; i < pageIdx; i++) {
current += this._pageMatches[i]?.length || 0;
}
current += matchIdx + 1;
}
if (current < 1 || current > total) {
current = total = 0;
}
return {
current,
total,
};
}
#updateUIResultsCount() {
this._eventBus.dispatch("updatefindmatchescount", {
source: this,
matchesCount: this.#requestMatchesCount(),
});
}
#updateUIState(state, previous = false) {
if (
!this.#updateMatchesCountOnProgress &&
(this.#visitedPagesCount !== this._linkService.pagesCount ||
state === FindState.PENDING)
) {
return;
}
this._eventBus.dispatch("updatefindcontrolstate", {
source: this,
state,
previous,
matchesCount: this.#requestMatchesCount(),
rawQuery: this._state?.query ?? null,
});
}
}
exports.PDFFindController = PDFFindController;
/***/
},
/* 18 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.CharacterType = void 0;
exports.getCharacterType = getCharacterType;
const CharacterType = {
SPACE: 0,
ALPHA_LETTER: 1,
PUNCT: 2,
HAN_LETTER: 3,
KATAKANA_LETTER: 4,
HIRAGANA_LETTER: 5,
HALFWIDTH_KATAKANA_LETTER: 6,
THAI_LETTER: 7,
};
exports.CharacterType = CharacterType;
function isAlphabeticalScript(charCode) {
return charCode < 0x2e80;
}
function isAscii(charCode) {
return (charCode & 0xff80) === 0;
}
function isAsciiAlpha(charCode) {
return (
(charCode >= 0x61 && charCode <= 0x7a) ||
(charCode >= 0x41 && charCode <= 0x5a)
);
}
function isAsciiDigit(charCode) {
return charCode >= 0x30 && charCode <= 0x39;
}
function isAsciiSpace(charCode) {
return (
charCode === 0x20 ||
charCode === 0x09 ||
charCode === 0x0d ||
charCode === 0x0a
);
}
function isHan(charCode) {
return (
(charCode >= 0x3400 && charCode <= 0x9fff) ||
(charCode >= 0xf900 && charCode <= 0xfaff)
);
}
function isKatakana(charCode) {
return charCode >= 0x30a0 && charCode <= 0x30ff;
}
function isHiragana(charCode) {
return charCode >= 0x3040 && charCode <= 0x309f;
}
function isHalfwidthKatakana(charCode) {
return charCode >= 0xff60 && charCode <= 0xff9f;
}
function isThai(charCode) {
return (charCode & 0xff80) === 0x0e00;
}
function getCharacterType(charCode) {
if (isAlphabeticalScript(charCode)) {
if (isAscii(charCode)) {
if (isAsciiSpace(charCode)) {
return CharacterType.SPACE;
} else if (
isAsciiAlpha(charCode) ||
isAsciiDigit(charCode) ||
charCode === 0x5f
) {
return CharacterType.ALPHA_LETTER;
}
return CharacterType.PUNCT;
} else if (isThai(charCode)) {
return CharacterType.THAI_LETTER;
} else if (charCode === 0xa0) {
return CharacterType.SPACE;
}
return CharacterType.ALPHA_LETTER;
}
if (isHan(charCode)) {
return CharacterType.HAN_LETTER;
} else if (isKatakana(charCode)) {
return CharacterType.KATAKANA_LETTER;
} else if (isHiragana(charCode)) {
return CharacterType.HIRAGANA_LETTER;
} else if (isHalfwidthKatakana(charCode)) {
return CharacterType.HALFWIDTH_KATAKANA_LETTER;
}
return CharacterType.ALPHA_LETTER;
}
/***/
},
/* 19 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFHistory = void 0;
exports.isDestArraysEqual = isDestArraysEqual;
exports.isDestHashesEqual = isDestHashesEqual;
var _ui_utils = __webpack_require__(3);
var _event_utils = __webpack_require__(6);
const HASH_CHANGE_TIMEOUT = 1000;
const POSITION_UPDATED_THRESHOLD = 50;
const UPDATE_VIEWAREA_TIMEOUT = 1000;
function getCurrentHash() {
return document.location.hash;
}
class PDFHistory {
constructor({ linkService, eventBus }) {
this.linkService = linkService;
this.eventBus = eventBus;
this._initialized = false;
this._fingerprint = "";
this.reset();
this._boundEvents = null;
this.eventBus._on("pagesinit", () => {
this._isPagesLoaded = false;
this.eventBus._on(
"pagesloaded",
(evt) => {
this._isPagesLoaded = !!evt.pagesCount;
},
{
once: true,
}
);
});
}
initialize({ fingerprint, resetHistory = false, updateUrl = false }) {
if (!fingerprint || typeof fingerprint !== "string") {
console.error(
'PDFHistory.initialize: The "fingerprint" must be a non-empty string.'
);
return;
}
if (this._initialized) {
this.reset();
}
const reInitialized =
this._fingerprint !== "" && this._fingerprint !== fingerprint;
this._fingerprint = fingerprint;
this._updateUrl = updateUrl === true;
this._initialized = true;
this._bindEvents();
const state = window.history.state;
this._popStateInProgress = false;
this._blockHashChange = 0;
this._currentHash = getCurrentHash();
this._numPositionUpdates = 0;
this._uid = this._maxUid = 0;
this._destination = null;
this._position = null;
if (!this._isValidState(state, true) || resetHistory) {
const { hash, page, rotation } = this._parseCurrentHash(true);
if (!hash || reInitialized || resetHistory) {
this._pushOrReplaceState(null, true);
return;
}
this._pushOrReplaceState(
{
hash,
page,
rotation,
},
true
);
return;
}
const destination = state.destination;
this._updateInternalState(destination, state.uid, true);
if (destination.rotation !== undefined) {
this._initialRotation = destination.rotation;
}
if (destination.dest) {
this._initialBookmark = JSON.stringify(destination.dest);
this._destination.page = null;
} else if (destination.hash) {
this._initialBookmark = destination.hash;
} else if (destination.page) {
this._initialBookmark = `page=${destination.page}`;
}
}
reset() {
if (this._initialized) {
this._pageHide();
this._initialized = false;
this._unbindEvents();
}
if (this._updateViewareaTimeout) {
clearTimeout(this._updateViewareaTimeout);
this._updateViewareaTimeout = null;
}
this._initialBookmark = null;
this._initialRotation = null;
}
push({ namedDest = null, explicitDest, pageNumber }) {
if (!this._initialized) {
return;
}
if (namedDest && typeof namedDest !== "string") {
console.error(
"PDFHistory.push: " +
`"${namedDest}" is not a valid namedDest parameter.`
);
return;
} else if (!Array.isArray(explicitDest)) {
console.error(
"PDFHistory.push: " +
`"${explicitDest}" is not a valid explicitDest parameter.`
);
return;
} else if (!this._isValidPage(pageNumber)) {
if (pageNumber !== null || this._destination) {
console.error(
"PDFHistory.push: " +
`"${pageNumber}" is not a valid pageNumber parameter.`
);
return;
}
}
const hash = namedDest || JSON.stringify(explicitDest);
if (!hash) {
return;
}
let forceReplace = false;
if (
this._destination &&
(isDestHashesEqual(this._destination.hash, hash) ||
isDestArraysEqual(this._destination.dest, explicitDest))
) {
if (this._destination.page) {
return;
}
forceReplace = true;
}
if (this._popStateInProgress && !forceReplace) {
return;
}
this._pushOrReplaceState(
{
dest: explicitDest,
hash,
page: pageNumber,
rotation: this.linkService.rotation,
},
forceReplace
);
if (!this._popStateInProgress) {
this._popStateInProgress = true;
Promise.resolve().then(() => {
this._popStateInProgress = false;
});
}
}
pushPage(pageNumber) {
if (!this._initialized) {
return;
}
if (!this._isValidPage(pageNumber)) {
console.error(
`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`
);
return;
}
if (this._destination?.page === pageNumber) {
return;
}
if (this._popStateInProgress) {
return;
}
this._pushOrReplaceState({
dest: null,
hash: `page=${pageNumber}`,
page: pageNumber,
rotation: this.linkService.rotation,
});
if (!this._popStateInProgress) {
this._popStateInProgress = true;
Promise.resolve().then(() => {
this._popStateInProgress = false;
});
}
}
pushCurrentPosition() {
if (!this._initialized || this._popStateInProgress) {
return;
}
this._tryPushCurrentPosition();
}
back() {
if (!this._initialized || this._popStateInProgress) {
return;
}
const state = window.history.state;
if (this._isValidState(state) && state.uid > 0) {
window.history.back();
}
}
forward() {
if (!this._initialized || this._popStateInProgress) {
return;
}
const state = window.history.state;
if (this._isValidState(state) && state.uid < this._maxUid) {
window.history.forward();
}
}
get popStateInProgress() {
return (
this._initialized &&
(this._popStateInProgress || this._blockHashChange > 0)
);
}
get initialBookmark() {
return this._initialized ? this._initialBookmark : null;
}
get initialRotation() {
return this._initialized ? this._initialRotation : null;
}
_pushOrReplaceState(destination, forceReplace = false) {
const shouldReplace = forceReplace || !this._destination;
const newState = {
fingerprint: this._fingerprint,
uid: shouldReplace ? this._uid : this._uid + 1,
destination,
};
this._updateInternalState(destination, newState.uid);
let newUrl;
if (this._updateUrl && destination?.hash) {
const baseUrl = document.location.href.split("#")[0];
if (!baseUrl.startsWith("file://")) {
newUrl = `${baseUrl}#${destination.hash}`;
}
}
if (shouldReplace) {
window.history.replaceState(newState, "", newUrl);
} else {
window.history.pushState(newState, "", newUrl);
}
}
_tryPushCurrentPosition(temporary = false) {
if (!this._position) {
return;
}
let position = this._position;
if (temporary) {
position = Object.assign(Object.create(null), this._position);
position.temporary = true;
}
if (!this._destination) {
this._pushOrReplaceState(position);
return;
}
if (this._destination.temporary) {
this._pushOrReplaceState(position, true);
return;
}
if (this._destination.hash === position.hash) {
return;
}
if (
!this._destination.page &&
(POSITION_UPDATED_THRESHOLD <= 0 ||
this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)
) {
return;
}
let forceReplace = false;
if (
this._destination.page >= position.first &&
this._destination.page <= position.page
) {
if (
this._destination.dest !== undefined ||
!this._destination.first
) {
return;
}
forceReplace = true;
}
this._pushOrReplaceState(position, forceReplace);
}
_isValidPage(val) {
return (
Number.isInteger(val) &&
val > 0 &&
val <= this.linkService.pagesCount
);
}
_isValidState(state, checkReload = false) {
if (!state) {
return false;
}
if (state.fingerprint !== this._fingerprint) {
if (checkReload) {
if (
typeof state.fingerprint !== "string" ||
state.fingerprint.length !== this._fingerprint.length
) {
return false;
}
const [perfEntry] = performance.getEntriesByType("navigation");
if (perfEntry?.type !== "reload") {
return false;
}
} else {
return false;
}
}
if (!Number.isInteger(state.uid) || state.uid < 0) {
return false;
}
if (
state.destination === null ||
typeof state.destination !== "object"
) {
return false;
}
return true;
}
_updateInternalState(destination, uid, removeTemporary = false) {
if (this._updateViewareaTimeout) {
clearTimeout(this._updateViewareaTimeout);
this._updateViewareaTimeout = null;
}
if (removeTemporary && destination?.temporary) {
delete destination.temporary;
}
this._destination = destination;
this._uid = uid;
this._maxUid = Math.max(this._maxUid, uid);
this._numPositionUpdates = 0;
}
_parseCurrentHash(checkNameddest = false) {
const hash = unescape(getCurrentHash()).substring(1);
const params = (0, _ui_utils.parseQueryString)(hash);
const nameddest = params.get("nameddest") || "";
let page = params.get("page") | 0;
if (
!this._isValidPage(page) ||
(checkNameddest && nameddest.length > 0)
) {
page = null;
}
return {
hash,
page,
rotation: this.linkService.rotation,
};
}
_updateViewarea({ location }) {
if (this._updateViewareaTimeout) {
clearTimeout(this._updateViewareaTimeout);
this._updateViewareaTimeout = null;
}
this._position = {
hash: location.pdfOpenParams.substring(1),
page: this.linkService.page,
first: location.pageNumber,
rotation: location.rotation,
};
if (this._popStateInProgress) {
return;
}
if (
POSITION_UPDATED_THRESHOLD > 0 &&
this._isPagesLoaded &&
this._destination &&
!this._destination.page
) {
this._numPositionUpdates++;
}
if (UPDATE_VIEWAREA_TIMEOUT > 0) {
this._updateViewareaTimeout = setTimeout(() => {
if (!this._popStateInProgress) {
this._tryPushCurrentPosition(true);
}
this._updateViewareaTimeout = null;
}, UPDATE_VIEWAREA_TIMEOUT);
}
}
_popState({ state }) {
const newHash = getCurrentHash(),
hashChanged = this._currentHash !== newHash;
this._currentHash = newHash;
if (!state) {
this._uid++;
const { hash, page, rotation } = this._parseCurrentHash();
this._pushOrReplaceState(
{
hash,
page,
rotation,
},
true
);
return;
}
if (!this._isValidState(state)) {
return;
}
this._popStateInProgress = true;
if (hashChanged) {
this._blockHashChange++;
(0, _event_utils.waitOnEventOrTimeout)({
target: window,
name: "hashchange",
delay: HASH_CHANGE_TIMEOUT,
}).then(() => {
this._blockHashChange--;
});
}
const destination = state.destination;
this._updateInternalState(destination, state.uid, true);
if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
this.linkService.rotation = destination.rotation;
}
if (destination.dest) {
this.linkService.goToDestination(destination.dest);
} else if (destination.hash) {
this.linkService.setHash(destination.hash);
} else if (destination.page) {
this.linkService.page = destination.page;
}
Promise.resolve().then(() => {
this._popStateInProgress = false;
});
}
_pageHide() {
if (!this._destination || this._destination.temporary) {
this._tryPushCurrentPosition();
}
}
_bindEvents() {
if (this._boundEvents) {
return;
}
this._boundEvents = {
updateViewarea: this._updateViewarea.bind(this),
popState: this._popState.bind(this),
pageHide: this._pageHide.bind(this),
};
this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
window.addEventListener("popstate", this._boundEvents.popState);
window.addEventListener("pagehide", this._boundEvents.pageHide);
}
_unbindEvents() {
if (!this._boundEvents) {
return;
}
this.eventBus._off(
"updateviewarea",
this._boundEvents.updateViewarea
);
window.removeEventListener("popstate", this._boundEvents.popState);
window.removeEventListener("pagehide", this._boundEvents.pageHide);
this._boundEvents = null;
}
}
exports.PDFHistory = PDFHistory;
function isDestHashesEqual(destHash, pushHash) {
if (typeof destHash !== "string" || typeof pushHash !== "string") {
return false;
}
if (destHash === pushHash) {
return true;
}
const nameddest = (0, _ui_utils.parseQueryString)(destHash).get(
"nameddest"
);
if (nameddest === pushHash) {
return true;
}
return false;
}
function isDestArraysEqual(firstDest, secondDest) {
function isEntryEqual(first, second) {
if (typeof first !== typeof second) {
return false;
}
if (Array.isArray(first) || Array.isArray(second)) {
return false;
}
if (first !== null && typeof first === "object" && second !== null) {
if (Object.keys(first).length !== Object.keys(second).length) {
return false;
}
for (const key in first) {
if (!isEntryEqual(first[key], second[key])) {
return false;
}
}
return true;
}
return (
first === second || (Number.isNaN(first) && Number.isNaN(second))
);
}
if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
return false;
}
if (firstDest.length !== secondDest.length) {
return false;
}
for (let i = 0, ii = firstDest.length; i < ii; i++) {
if (!isEntryEqual(firstDest[i], secondDest[i])) {
return false;
}
}
return true;
}
/***/
},
/* 20 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFLayerViewer = void 0;
var _base_tree_viewer = __webpack_require__(12);
class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer {
constructor(options) {
super(options);
this.l10n = options.l10n;
this.eventBus._on("optionalcontentconfigchanged", (evt) => {
this.#updateLayers(evt.promise);
});
this.eventBus._on("resetlayers", () => {
this.#updateLayers();
});
this.eventBus._on(
"togglelayerstree",
this._toggleAllTreeItems.bind(this)
);
}
reset() {
super.reset();
this._optionalContentConfig = null;
this._optionalContentHash = null;
}
_dispatchEvent(layersCount) {
this.eventBus.dispatch("layersloaded", {
source: this,
layersCount,
});
}
_bindLink(element, { groupId, input }) {
const setVisibility = () => {
this._optionalContentConfig.setVisibility(groupId, input.checked);
this._optionalContentHash = this._optionalContentConfig.getHash();
this.eventBus.dispatch("optionalcontentconfig", {
source: this,
promise: Promise.resolve(this._optionalContentConfig),
});
};
element.onclick = (evt) => {
if (evt.target === input) {
setVisibility();
return true;
} else if (evt.target !== element) {
return true;
}
input.checked = !input.checked;
setVisibility();
return false;
};
}
async _setNestedName(element, { name = null }) {
if (typeof name === "string") {
element.textContent = this._normalizeTextContent(name);
return;
}
element.textContent = await this.l10n.get("additional_layers");
element.style.fontStyle = "italic";
}
_addToggleButton(div, { name = null }) {
super._addToggleButton(div, name === null);
}
_toggleAllTreeItems() {
if (!this._optionalContentConfig) {
return;
}
super._toggleAllTreeItems();
}
render({ optionalContentConfig, pdfDocument }) {
if (this._optionalContentConfig) {
this.reset();
}
this._optionalContentConfig = optionalContentConfig || null;
this._pdfDocument = pdfDocument || null;
const groups = optionalContentConfig?.getOrder();
if (!groups) {
this._dispatchEvent(0);
return;
}
this._optionalContentHash = optionalContentConfig.getHash();
const fragment = document.createDocumentFragment(),
queue = [
{
parent: fragment,
groups,
},
];
let layersCount = 0,
hasAnyNesting = false;
while (queue.length > 0) {
const levelData = queue.shift();
for (const groupId of levelData.groups) {
const div = document.createElement("div");
div.className = "treeItem";
const element = document.createElement("a");
div.append(element);
if (typeof groupId === "object") {
hasAnyNesting = true;
this._addToggleButton(div, groupId);
this._setNestedName(element, groupId);
const itemsDiv = document.createElement("div");
itemsDiv.className = "treeItems";
div.append(itemsDiv);
queue.push({
parent: itemsDiv,
groups: groupId.order,
});
} else {
const group = optionalContentConfig.getGroup(groupId);
const input = document.createElement("input");
this._bindLink(element, {
groupId,
input,
});
input.type = "checkbox";
input.checked = group.visible;
const label = document.createElement("label");
label.textContent = this._normalizeTextContent(group.name);
label.append(input);
element.append(label);
layersCount++;
}
levelData.parent.append(div);
}
}
this._finishRendering(fragment, layersCount, hasAnyNesting);
}
async #updateLayers(promise = null) {
if (!this._optionalContentConfig) {
return;
}
const pdfDocument = this._pdfDocument;
const optionalContentConfig = await (promise ||
pdfDocument.getOptionalContentConfig());
if (pdfDocument !== this._pdfDocument) {
return;
}
if (promise) {
if (optionalContentConfig.getHash() === this._optionalContentHash) {
return;
}
} else {
this.eventBus.dispatch("optionalcontentconfig", {
source: this,
promise: Promise.resolve(optionalContentConfig),
});
}
this.render({
optionalContentConfig,
pdfDocument: this._pdfDocument,
});
}
}
exports.PDFLayerViewer = PDFLayerViewer;
/***/
},
/* 21 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFOutlineViewer = void 0;
var _base_tree_viewer = __webpack_require__(12);
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
class PDFOutlineViewer extends _base_tree_viewer.BaseTreeViewer {
constructor(options) {
super(options);
this.linkService = options.linkService;
this.downloadManager = options.downloadManager;
this.eventBus._on(
"toggleoutlinetree",
this._toggleAllTreeItems.bind(this)
);
this.eventBus._on(
"currentoutlineitem",
this._currentOutlineItem.bind(this)
);
this.eventBus._on("pagechanging", (evt) => {
this._currentPageNumber = evt.pageNumber;
});
this.eventBus._on("pagesloaded", (evt) => {
this._isPagesLoaded = !!evt.pagesCount;
if (
this._currentOutlineItemCapability &&
!this._currentOutlineItemCapability.settled
) {
this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
}
});
this.eventBus._on("sidebarviewchanged", (evt) => {
this._sidebarView = evt.view;
});
}
reset() {
super.reset();
this._outline = null;
this._pageNumberToDestHashCapability = null;
this._currentPageNumber = 1;
this._isPagesLoaded = null;
if (
this._currentOutlineItemCapability &&
!this._currentOutlineItemCapability.settled
) {
this._currentOutlineItemCapability.resolve(false);
}
this._currentOutlineItemCapability = null;
}
_dispatchEvent(outlineCount) {
this._currentOutlineItemCapability = (0,
_pdfjsLib.createPromiseCapability)();
if (
outlineCount === 0 ||
this._pdfDocument?.loadingParams.disableAutoFetch
) {
this._currentOutlineItemCapability.resolve(false);
} else if (this._isPagesLoaded !== null) {
this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
}
this.eventBus.dispatch("outlineloaded", {
source: this,
outlineCount,
currentOutlineItemPromise:
this._currentOutlineItemCapability.promise,
});
}
_bindLink(
element,
{ url, newWindow, action, attachment, dest, setOCGState }
) {
const { linkService } = this;
if (url) {
linkService.addLinkAttributes(element, url, newWindow);
return;
}
if (action) {
element.href = linkService.getAnchorUrl("");
element.onclick = () => {
linkService.executeNamedAction(action);
return false;
};
return;
}
if (attachment) {
element.href = linkService.getAnchorUrl("");
element.onclick = () => {
this.downloadManager.openOrDownloadData(
element,
attachment.content,
attachment.filename
);
return false;
};
return;
}
if (setOCGState) {
element.href = linkService.getAnchorUrl("");
element.onclick = () => {
linkService.executeSetOCGState(setOCGState);
return false;
};
return;
}
element.href = linkService.getDestinationHash(dest);
element.onclick = (evt) => {
this._updateCurrentTreeItem(evt.target.parentNode);
if (dest) {
linkService.goToDestination(dest);
}
return false;
};
}
_setStyles(element, { bold, italic }) {
if (bold) {
element.style.fontWeight = "bold";
}
if (italic) {
element.style.fontStyle = "italic";
}
}
_addToggleButton(div, { count, items }) {
let hidden = false;
if (count < 0) {
let totalCount = items.length;
if (totalCount > 0) {
const queue = [...items];
while (queue.length > 0) {
const { count: nestedCount, items: nestedItems } =
queue.shift();
if (nestedCount > 0 && nestedItems.length > 0) {
totalCount += nestedItems.length;
queue.push(...nestedItems);
}
}
}
if (Math.abs(count) === totalCount) {
hidden = true;
}
}
super._addToggleButton(div, hidden);
}
_toggleAllTreeItems() {
if (!this._outline) {
return;
}
super._toggleAllTreeItems();
}
render({ outline, pdfDocument }) {
if (this._outline) {
this.reset();
}
this._outline = outline || null;
this._pdfDocument = pdfDocument || null;
if (!outline) {
this._dispatchEvent(0);
return;
}
const fragment = document.createDocumentFragment();
const queue = [
{
parent: fragment,
items: outline,
},
];
let outlineCount = 0,
hasAnyNesting = false;
while (queue.length > 0) {
const levelData = queue.shift();
for (const item of levelData.items) {
const div = document.createElement("div");
div.className = "treeItem";
const element = document.createElement("a");
this._bindLink(element, item);
this._setStyles(element, item);
element.textContent = this._normalizeTextContent(item.title);
div.append(element);
if (item.items.length > 0) {
hasAnyNesting = true;
this._addToggleButton(div, item);
const itemsDiv = document.createElement("div");
itemsDiv.className = "treeItems";
div.append(itemsDiv);
queue.push({
parent: itemsDiv,
items: item.items,
});
}
levelData.parent.append(div);
outlineCount++;
}
}
this._finishRendering(fragment, outlineCount, hasAnyNesting);
}
async _currentOutlineItem() {
if (!this._isPagesLoaded) {
throw new Error(
"_currentOutlineItem: All pages have not been loaded."
);
}
if (!this._outline || !this._pdfDocument) {
return;
}
const pageNumberToDestHash = await this._getPageNumberToDestHash(
this._pdfDocument
);
if (!pageNumberToDestHash) {
return;
}
this._updateCurrentTreeItem(null);
if (this._sidebarView !== _ui_utils.SidebarView.OUTLINE) {
return;
}
for (let i = this._currentPageNumber; i > 0; i--) {
const destHash = pageNumberToDestHash.get(i);
if (!destHash) {
continue;
}
const linkElement = this.container.querySelector(
`a[href="${destHash}"]`
);
if (!linkElement) {
continue;
}
this._scrollToCurrentTreeItem(linkElement.parentNode);
break;
}
}
async _getPageNumberToDestHash(pdfDocument) {
if (this._pageNumberToDestHashCapability) {
return this._pageNumberToDestHashCapability.promise;
}
this._pageNumberToDestHashCapability = (0,
_pdfjsLib.createPromiseCapability)();
const pageNumberToDestHash = new Map(),
pageNumberNesting = new Map();
const queue = [
{
nesting: 0,
items: this._outline,
},
];
while (queue.length > 0) {
const levelData = queue.shift(),
currentNesting = levelData.nesting;
for (const { dest, items } of levelData.items) {
let explicitDest, pageNumber;
if (typeof dest === "string") {
explicitDest = await pdfDocument.getDestination(dest);
if (pdfDocument !== this._pdfDocument) {
return null;
}
} else {
explicitDest = dest;
}
if (Array.isArray(explicitDest)) {
const [destRef] = explicitDest;
if (typeof destRef === "object" && destRef !== null) {
pageNumber = this.linkService._cachedPageNumber(destRef);
if (!pageNumber) {
try {
pageNumber =
(await pdfDocument.getPageIndex(destRef)) + 1;
if (pdfDocument !== this._pdfDocument) {
return null;
}
this.linkService.cachePageRef(pageNumber, destRef);
} catch (ex) { }
}
} else if (Number.isInteger(destRef)) {
pageNumber = destRef + 1;
}
if (
Number.isInteger(pageNumber) &&
(!pageNumberToDestHash.has(pageNumber) ||
currentNesting > pageNumberNesting.get(pageNumber))
) {
const destHash = this.linkService.getDestinationHash(dest);
pageNumberToDestHash.set(pageNumber, destHash);
pageNumberNesting.set(pageNumber, currentNesting);
}
}
if (items.length > 0) {
queue.push({
nesting: currentNesting + 1,
items,
});
}
}
}
this._pageNumberToDestHashCapability.resolve(
pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null
);
return this._pageNumberToDestHashCapability.promise;
}
}
exports.PDFOutlineViewer = PDFOutlineViewer;
/***/
},
/* 22 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFPresentationMode = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
const DELAY_BEFORE_HIDING_CONTROLS = 3000;
const ACTIVE_SELECTOR = "pdfPresentationMode";
const CONTROLS_SELECTOR = "pdfPresentationModeControls";
const MOUSE_SCROLL_COOLDOWN_TIME = 50;
const PAGE_SWITCH_THRESHOLD = 0.1;
const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
class PDFPresentationMode {
#state = _ui_utils.PresentationModeState.UNKNOWN;
#args = null;
constructor({ container, pdfViewer, eventBus }) {
this.container = container;
this.pdfViewer = pdfViewer;
this.eventBus = eventBus;
this.contextMenuOpen = false;
this.mouseScrollTimeStamp = 0;
this.mouseScrollDelta = 0;
this.touchSwipeState = null;
}
async request() {
const { container, pdfViewer } = this;
if (
this.active ||
!pdfViewer.pagesCount ||
!container.requestFullscreen
) {
return false;
}
this.#addFullscreenChangeListeners();
this.#notifyStateChange(_ui_utils.PresentationModeState.CHANGING);
const promise = container.requestFullscreen();
this.#args = {
pageNumber: pdfViewer.currentPageNumber,
scaleValue: pdfViewer.currentScaleValue,
scrollMode: pdfViewer.scrollMode,
spreadMode: null,
annotationEditorMode: null,
};
if (
pdfViewer.spreadMode !== _ui_utils.SpreadMode.NONE &&
!(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)
) {
console.warn(
"Ignoring Spread modes when entering PresentationMode, " +
"since the document may contain varying page sizes."
);
this.#args.spreadMode = pdfViewer.spreadMode;
}
if (
pdfViewer.annotationEditorMode !==
_pdfjsLib.AnnotationEditorType.DISABLE
) {
this.#args.annotationEditorMode = pdfViewer.annotationEditorMode;
}
try {
await promise;
pdfViewer.focus();
return true;
} catch (reason) {
this.#removeFullscreenChangeListeners();
this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL);
}
return false;
}
get active() {
return (
this.#state === _ui_utils.PresentationModeState.CHANGING ||
this.#state === _ui_utils.PresentationModeState.FULLSCREEN
);
}
#mouseWheel(evt) {
if (!this.active) {
return;
}
evt.preventDefault();
const delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
const currentTime = Date.now();
const storedTime = this.mouseScrollTimeStamp;
if (
currentTime > storedTime &&
currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME
) {
return;
}
if (
(this.mouseScrollDelta > 0 && delta < 0) ||
(this.mouseScrollDelta < 0 && delta > 0)
) {
this.#resetMouseScrollState();
}
this.mouseScrollDelta += delta;
if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
const totalDelta = this.mouseScrollDelta;
this.#resetMouseScrollState();
const success =
totalDelta > 0
? this.pdfViewer.previousPage()
: this.pdfViewer.nextPage();
if (success) {
this.mouseScrollTimeStamp = currentTime;
}
}
}
#notifyStateChange(state) {
this.#state = state;
this.eventBus.dispatch("presentationmodechanged", {
source: this,
state,
});
}
#enter() {
this.#notifyStateChange(_ui_utils.PresentationModeState.FULLSCREEN);
this.container.classList.add(ACTIVE_SELECTOR);
setTimeout(() => {
this.pdfViewer.scrollMode = _ui_utils.ScrollMode.PAGE;
if (this.#args.spreadMode !== null) {
this.pdfViewer.spreadMode = _ui_utils.SpreadMode.NONE;
}
this.pdfViewer.currentPageNumber = this.#args.pageNumber;
this.pdfViewer.currentScaleValue = "page-fit";
if (this.#args.annotationEditorMode !== null) {
this.pdfViewer.annotationEditorMode =
_pdfjsLib.AnnotationEditorType.NONE;
}
}, 0);
this.#addWindowListeners();
this.#showControls();
this.contextMenuOpen = false;
window.getSelection().removeAllRanges();
}
#exit() {
const pageNumber = this.pdfViewer.currentPageNumber;
this.container.classList.remove(ACTIVE_SELECTOR);
setTimeout(() => {
this.#removeFullscreenChangeListeners();
this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL);
this.pdfViewer.scrollMode = this.#args.scrollMode;
if (this.#args.spreadMode !== null) {
this.pdfViewer.spreadMode = this.#args.spreadMode;
}
this.pdfViewer.currentScaleValue = this.#args.scaleValue;
this.pdfViewer.currentPageNumber = pageNumber;
if (this.#args.annotationEditorMode !== null) {
this.pdfViewer.annotationEditorMode =
this.#args.annotationEditorMode;
}
this.#args = null;
}, 0);
this.#removeWindowListeners();
this.#hideControls();
this.#resetMouseScrollState();
this.contextMenuOpen = false;
}
#mouseDown(evt) {
if (this.contextMenuOpen) {
this.contextMenuOpen = false;
evt.preventDefault();
return;
}
if (evt.button !== 0) {
return;
}
if (
evt.target.href &&
evt.target.parentNode?.hasAttribute("data-internal-link")
) {
return;
}
evt.preventDefault();
if (evt.shiftKey) {
this.pdfViewer.previousPage();
} else {
this.pdfViewer.nextPage();
}
}
#contextMenu() {
this.contextMenuOpen = true;
}
#showControls() {
if (this.controlsTimeout) {
clearTimeout(this.controlsTimeout);
} else {
this.container.classList.add(CONTROLS_SELECTOR);
}
this.controlsTimeout = setTimeout(() => {
this.container.classList.remove(CONTROLS_SELECTOR);
delete this.controlsTimeout;
}, DELAY_BEFORE_HIDING_CONTROLS);
}
#hideControls() {
if (!this.controlsTimeout) {
return;
}
clearTimeout(this.controlsTimeout);
this.container.classList.remove(CONTROLS_SELECTOR);
delete this.controlsTimeout;
}
#resetMouseScrollState() {
this.mouseScrollTimeStamp = 0;
this.mouseScrollDelta = 0;
}
#touchSwipe(evt) {
if (!this.active) {
return;
}
if (evt.touches.length > 1) {
this.touchSwipeState = null;
return;
}
switch (evt.type) {
case "touchstart":
this.touchSwipeState = {
startX: evt.touches[0].pageX,
startY: evt.touches[0].pageY,
endX: evt.touches[0].pageX,
endY: evt.touches[0].pageY,
};
break;
case "touchmove":
if (this.touchSwipeState === null) {
return;
}
this.touchSwipeState.endX = evt.touches[0].pageX;
this.touchSwipeState.endY = evt.touches[0].pageY;
evt.preventDefault();
break;
case "touchend":
if (this.touchSwipeState === null) {
return;
}
let delta = 0;
const dx =
this.touchSwipeState.endX - this.touchSwipeState.startX;
const dy =
this.touchSwipeState.endY - this.touchSwipeState.startY;
const absAngle = Math.abs(Math.atan2(dy, dx));
if (
Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD &&
(absAngle <= SWIPE_ANGLE_THRESHOLD ||
absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)
) {
delta = dx;
} else if (
Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD &&
Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD
) {
delta = dy;
}
if (delta > 0) {
this.pdfViewer.previousPage();
} else if (delta < 0) {
this.pdfViewer.nextPage();
}
break;
}
}
#addWindowListeners() {
this.showControlsBind = this.#showControls.bind(this);
this.mouseDownBind = this.#mouseDown.bind(this);
this.mouseWheelBind = this.#mouseWheel.bind(this);
this.resetMouseScrollStateBind =
this.#resetMouseScrollState.bind(this);
this.contextMenuBind = this.#contextMenu.bind(this);
this.touchSwipeBind = this.#touchSwipe.bind(this);
window.addEventListener("mousemove", this.showControlsBind);
window.addEventListener("mousedown", this.mouseDownBind);
window.addEventListener("wheel", this.mouseWheelBind, {
passive: false,
});
window.addEventListener("keydown", this.resetMouseScrollStateBind);
window.addEventListener("contextmenu", this.contextMenuBind);
window.addEventListener("touchstart", this.touchSwipeBind);
window.addEventListener("touchmove", this.touchSwipeBind);
window.addEventListener("touchend", this.touchSwipeBind);
}
#removeWindowListeners() {
window.removeEventListener("mousemove", this.showControlsBind);
window.removeEventListener("mousedown", this.mouseDownBind);
window.removeEventListener("wheel", this.mouseWheelBind, {
passive: false,
});
window.removeEventListener("keydown", this.resetMouseScrollStateBind);
window.removeEventListener("contextmenu", this.contextMenuBind);
window.removeEventListener("touchstart", this.touchSwipeBind);
window.removeEventListener("touchmove", this.touchSwipeBind);
window.removeEventListener("touchend", this.touchSwipeBind);
delete this.showControlsBind;
delete this.mouseDownBind;
delete this.mouseWheelBind;
delete this.resetMouseScrollStateBind;
delete this.contextMenuBind;
delete this.touchSwipeBind;
}
#fullscreenChange() {
if (document.fullscreenElement) {
this.#enter();
} else {
this.#exit();
}
}
#addFullscreenChangeListeners() {
this.fullscreenChangeBind = this.#fullscreenChange.bind(this);
window.addEventListener(
"fullscreenchange",
this.fullscreenChangeBind
);
}
#removeFullscreenChangeListeners() {
window.removeEventListener(
"fullscreenchange",
this.fullscreenChangeBind
);
delete this.fullscreenChangeBind;
}
}
exports.PDFPresentationMode = PDFPresentationMode;
/***/
},
/* 23 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFRenderingQueue = void 0;
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
const CLEANUP_TIMEOUT = 30000;
class PDFRenderingQueue {
constructor() {
this.pdfViewer = null;
this.pdfThumbnailViewer = null;
this.onIdle = null;
this.highestPriorityPage = null;
this.idleTimeout = null;
this.printing = false;
this.isThumbnailViewEnabled = false;
}
setViewer(pdfViewer) {
this.pdfViewer = pdfViewer;
}
setThumbnailViewer(pdfThumbnailViewer) {
this.pdfThumbnailViewer = pdfThumbnailViewer;
}
isHighestPriority(view) {
return this.highestPriorityPage === view.renderingId;
}
hasViewer() {
return !!this.pdfViewer;
}
renderHighestPriority(currentlyVisiblePages) {
if (this.idleTimeout) {
clearTimeout(this.idleTimeout);
this.idleTimeout = null;
}
if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
return;
}
if (
this.isThumbnailViewEnabled &&
this.pdfThumbnailViewer?.forceRendering()
) {
return;
}
if (this.printing) {
return;
}
if (this.onIdle) {
this.idleTimeout = setTimeout(
this.onIdle.bind(this),
CLEANUP_TIMEOUT
);
}
}
getHighestPriority(
visible,
views,
scrolledDown,
preRenderExtra = false
) {
const visibleViews = visible.views,
numVisible = visibleViews.length;
if (numVisible === 0) {
return null;
}
for (let i = 0; i < numVisible; i++) {
const view = visibleViews[i].view;
if (!this.isViewFinished(view)) {
return view;
}
}
const firstId = visible.first.id,
lastId = visible.last.id;
if (lastId - firstId + 1 > numVisible) {
const visibleIds = visible.ids;
for (let i = 1, ii = lastId - firstId; i < ii; i++) {
const holeId = scrolledDown ? firstId + i : lastId - i;
if (visibleIds.has(holeId)) {
continue;
}
const holeView = views[holeId - 1];
if (!this.isViewFinished(holeView)) {
return holeView;
}
}
}
let preRenderIndex = scrolledDown ? lastId : firstId - 2;
let preRenderView = views[preRenderIndex];
if (preRenderView && !this.isViewFinished(preRenderView)) {
return preRenderView;
}
if (preRenderExtra) {
preRenderIndex += scrolledDown ? 1 : -1;
preRenderView = views[preRenderIndex];
if (preRenderView && !this.isViewFinished(preRenderView)) {
return preRenderView;
}
}
return null;
}
isViewFinished(view) {
return view.renderingState === _ui_utils.RenderingStates.FINISHED;
}
renderView(view) {
switch (view.renderingState) {
case _ui_utils.RenderingStates.FINISHED:
return false;
case _ui_utils.RenderingStates.PAUSED:
this.highestPriorityPage = view.renderingId;
view.resume();
break;
case _ui_utils.RenderingStates.RUNNING:
this.highestPriorityPage = view.renderingId;
break;
case _ui_utils.RenderingStates.INITIAL:
this.highestPriorityPage = view.renderingId;
view
.draw()
.finally(() => {
this.renderHighestPriority();
})
.catch((reason) => {
if (reason instanceof _pdfjsLib.RenderingCancelledException) {
return;
}
console.error(`renderView: "${reason}"`);
});
break;
}
return true;
}
}
exports.PDFRenderingQueue = PDFRenderingQueue;
/***/
},
/* 24 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFScriptingManager = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
class PDFScriptingManager {
constructor({
eventBus,
sandboxBundleSrc = null,
scriptingFactory = null,
docPropertiesLookup = null,
}) {
this._pdfDocument = null;
this._pdfViewer = null;
this._closeCapability = null;
this._destroyCapability = null;
this._scripting = null;
this._ready = false;
this._eventBus = eventBus;
this._sandboxBundleSrc = sandboxBundleSrc;
this._scriptingFactory = scriptingFactory;
this._docPropertiesLookup = docPropertiesLookup;
}
setViewer(pdfViewer) {
this._pdfViewer = pdfViewer;
}
async setDocument(pdfDocument) {
if (this._pdfDocument) {
await this._destroyScripting();
}
this._pdfDocument = pdfDocument;
if (!pdfDocument) {
return;
}
const [objects, calculationOrder, docActions] = await Promise.all([
pdfDocument.getFieldObjects(),
pdfDocument.getCalculationOrderIds(),
pdfDocument.getJSActions(),
]);
if (!objects && !docActions) {
await this._destroyScripting();
return;
}
if (pdfDocument !== this._pdfDocument) {
return;
}
try {
this._scripting = this._createScripting();
} catch (error) {
console.error(
`PDFScriptingManager.setDocument: "${error?.message}".`
);
await this._destroyScripting();
return;
}
this._internalEvents.set("updatefromsandbox", (event) => {
if (event?.source !== window) {
return;
}
this._updateFromSandbox(event.detail);
});
this._internalEvents.set("dispatcheventinsandbox", (event) => {
this._scripting?.dispatchEventInSandbox(event.detail);
});
this._internalEvents.set(
"pagechanging",
({ pageNumber, previous }) => {
if (pageNumber === previous) {
return;
}
this._dispatchPageClose(previous);
this._dispatchPageOpen(pageNumber);
}
);
this._internalEvents.set("pagerendered", ({ pageNumber }) => {
if (!this._pageOpenPending.has(pageNumber)) {
return;
}
if (pageNumber !== this._pdfViewer.currentPageNumber) {
return;
}
this._dispatchPageOpen(pageNumber);
});
this._internalEvents.set("pagesdestroy", async (event) => {
await this._dispatchPageClose(this._pdfViewer.currentPageNumber);
await this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "WillClose",
});
this._closeCapability?.resolve();
});
for (const [name, listener] of this._internalEvents) {
this._eventBus._on(name, listener);
}
try {
const docProperties = await this._getDocProperties();
if (pdfDocument !== this._pdfDocument) {
return;
}
await this._scripting.createSandbox({
objects,
calculationOrder,
appInfo: {
platform: navigator.platform,
language: navigator.language,
},
docInfo: {
...docProperties,
actions: docActions,
},
});
this._eventBus.dispatch("sandboxcreated", {
source: this,
});
} catch (error) {
console.error(
`PDFScriptingManager.setDocument: "${error?.message}".`
);
await this._destroyScripting();
return;
}
await this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "Open",
});
await this._dispatchPageOpen(this._pdfViewer.currentPageNumber, true);
Promise.resolve().then(() => {
if (pdfDocument === this._pdfDocument) {
this._ready = true;
}
});
}
async dispatchWillSave(detail) {
return this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "WillSave",
});
}
async dispatchDidSave(detail) {
return this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "DidSave",
});
}
async dispatchWillPrint(detail) {
return this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "WillPrint",
});
}
async dispatchDidPrint(detail) {
return this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "DidPrint",
});
}
get destroyPromise() {
return this._destroyCapability?.promise || null;
}
get ready() {
return this._ready;
}
get _internalEvents() {
return (0, _pdfjsLib.shadow)(this, "_internalEvents", new Map());
}
get _pageOpenPending() {
return (0, _pdfjsLib.shadow)(this, "_pageOpenPending", new Set());
}
get _visitedPages() {
return (0, _pdfjsLib.shadow)(this, "_visitedPages", new Map());
}
async _updateFromSandbox(detail) {
const isInPresentationMode =
this._pdfViewer.isInPresentationMode ||
this._pdfViewer.isChangingPresentationMode;
const { id, siblings, command, value } = detail;
if (!id) {
switch (command) {
case "clear":
console.clear();
break;
case "error":
console.error(value);
break;
case "layout": {
if (isInPresentationMode) {
return;
}
const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(value);
this._pdfViewer.spreadMode = modes.spreadMode;
break;
}
case "page-num":
this._pdfViewer.currentPageNumber = value + 1;
break;
case "print":
await this._pdfViewer.pagesPromise;
this._eventBus.dispatch("print", {
source: this,
});
break;
case "println":
console.log(value);
break;
case "zoom":
if (isInPresentationMode) {
return;
}
this._pdfViewer.currentScaleValue = value;
break;
case "SaveAs":
this._eventBus.dispatch("download", {
source: this,
});
break;
case "FirstPage":
this._pdfViewer.currentPageNumber = 1;
break;
case "LastPage":
this._pdfViewer.currentPageNumber = this._pdfViewer.pagesCount;
break;
case "NextPage":
this._pdfViewer.nextPage();
break;
case "PrevPage":
this._pdfViewer.previousPage();
break;
case "ZoomViewIn":
if (isInPresentationMode) {
return;
}
this._pdfViewer.increaseScale();
break;
case "ZoomViewOut":
if (isInPresentationMode) {
return;
}
this._pdfViewer.decreaseScale();
break;
}
return;
}
if (isInPresentationMode) {
if (detail.focus) {
return;
}
}
delete detail.id;
delete detail.siblings;
const ids = siblings ? [id, ...siblings] : [id];
for (const elementId of ids) {
const element = document.querySelector(
`[data-element-id="${elementId}"]`
);
if (element) {
element.dispatchEvent(
new CustomEvent("updatefromsandbox", {
detail,
})
);
} else {
this._pdfDocument?.annotationStorage.setValue(elementId, detail);
}
}
}
async _dispatchPageOpen(pageNumber, initialize = false) {
const pdfDocument = this._pdfDocument,
visitedPages = this._visitedPages;
if (initialize) {
this._closeCapability = (0, _pdfjsLib.createPromiseCapability)();
}
if (!this._closeCapability) {
return;
}
const pageView = this._pdfViewer.getPageView(pageNumber - 1);
if (pageView?.renderingState !== _ui_utils.RenderingStates.FINISHED) {
this._pageOpenPending.add(pageNumber);
return;
}
this._pageOpenPending.delete(pageNumber);
const actionsPromise = (async () => {
const actions = await (!visitedPages.has(pageNumber)
? pageView.pdfPage?.getJSActions()
: null);
if (pdfDocument !== this._pdfDocument) {
return;
}
await this._scripting?.dispatchEventInSandbox({
id: "page",
name: "PageOpen",
pageNumber,
actions,
});
})();
visitedPages.set(pageNumber, actionsPromise);
}
async _dispatchPageClose(pageNumber) {
const pdfDocument = this._pdfDocument,
visitedPages = this._visitedPages;
if (!this._closeCapability) {
return;
}
if (this._pageOpenPending.has(pageNumber)) {
return;
}
const actionsPromise = visitedPages.get(pageNumber);
if (!actionsPromise) {
return;
}
visitedPages.set(pageNumber, null);
await actionsPromise;
if (pdfDocument !== this._pdfDocument) {
return;
}
await this._scripting?.dispatchEventInSandbox({
id: "page",
name: "PageClose",
pageNumber,
});
}
async _getDocProperties() {
if (this._docPropertiesLookup) {
return this._docPropertiesLookup(this._pdfDocument);
}
throw new Error("_getDocProperties: Unable to lookup properties.");
}
_createScripting() {
this._destroyCapability = (0, _pdfjsLib.createPromiseCapability)();
if (this._scripting) {
throw new Error("_createScripting: Scripting already exists.");
}
if (this._scriptingFactory) {
return this._scriptingFactory.createScripting({
sandboxBundleSrc: this._sandboxBundleSrc,
});
}
throw new Error("_createScripting: Cannot create scripting.");
}
async _destroyScripting() {
if (!this._scripting) {
this._pdfDocument = null;
this._destroyCapability?.resolve();
return;
}
if (this._closeCapability) {
await Promise.race([
this._closeCapability.promise,
new Promise((resolve) => {
setTimeout(resolve, 1000);
}),
]).catch((reason) => { });
this._closeCapability = null;
}
this._pdfDocument = null;
try {
await this._scripting.destroySandbox();
} catch (ex) { }
for (const [name, listener] of this._internalEvents) {
this._eventBus._off(name, listener);
}
this._internalEvents.clear();
this._pageOpenPending.clear();
this._visitedPages.clear();
this._scripting = null;
this._ready = false;
this._destroyCapability?.resolve();
}
}
exports.PDFScriptingManager = PDFScriptingManager;
/***/
},
/* 25 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFSidebar = void 0;
var _ui_utils = __webpack_require__(3);
const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";
class PDFSidebar {
constructor({
elements,
pdfViewer,
pdfThumbnailViewer,
eventBus,
l10n,
}) {
this.isOpen = false;
this.active = _ui_utils.SidebarView.THUMBS;
this.isInitialViewSet = false;
this.isInitialEventDispatched = false;
this.onToggled = null;
this.pdfViewer = pdfViewer;
this.pdfThumbnailViewer = pdfThumbnailViewer;
this.outerContainer = elements.outerContainer;
this.sidebarContainer = elements.sidebarContainer;
this.toggleButton = elements.toggleButton;
this.thumbnailButton = elements.thumbnailButton;
this.outlineButton = elements.outlineButton;
this.attachmentsButton = elements.attachmentsButton;
this.layersButton = elements.layersButton;
this.thumbnailView = elements.thumbnailView;
this.outlineView = elements.outlineView;
this.attachmentsView = elements.attachmentsView;
this.layersView = elements.layersView;
this._outlineOptionsContainer = elements.outlineOptionsContainer;
this._currentOutlineItemButton = elements.currentOutlineItemButton;
this.eventBus = eventBus;
this.l10n = l10n;
this.#addEventListeners();
}
reset() {
this.isInitialViewSet = false;
this.isInitialEventDispatched = false;
this.#hideUINotification(true);
this.switchView(_ui_utils.SidebarView.THUMBS);
this.outlineButton.disabled = false;
this.attachmentsButton.disabled = false;
this.layersButton.disabled = false;
this._currentOutlineItemButton.disabled = true;
}
get visibleView() {
return this.isOpen ? this.active : _ui_utils.SidebarView.NONE;
}
setInitialView(view = _ui_utils.SidebarView.NONE) {
if (this.isInitialViewSet) {
return;
}
this.isInitialViewSet = true;
if (
view === _ui_utils.SidebarView.NONE ||
view === _ui_utils.SidebarView.UNKNOWN
) {
this.#dispatchEvent();
return;
}
this.switchView(view, true);
if (!this.isInitialEventDispatched) {
this.#dispatchEvent();
}
}
switchView(view, forceOpen = false) {
const isViewChanged = view !== this.active;
let shouldForceRendering = false;
switch (view) {
case _ui_utils.SidebarView.NONE:
if (this.isOpen) {
this.close();
}
return;
case _ui_utils.SidebarView.THUMBS:
if (this.isOpen && isViewChanged) {
shouldForceRendering = true;
}
break;
case _ui_utils.SidebarView.OUTLINE:
if (this.outlineButton.disabled) {
return;
}
break;
case _ui_utils.SidebarView.ATTACHMENTS:
if (this.attachmentsButton.disabled) {
return;
}
break;
case _ui_utils.SidebarView.LAYERS:
if (this.layersButton.disabled) {
return;
}
break;
default:
console.error(
`PDFSidebar.switchView: "${view}" is not a valid view.`
);
return;
}
this.active = view;
const isThumbs = view === _ui_utils.SidebarView.THUMBS,
isOutline = view === _ui_utils.SidebarView.OUTLINE,
isAttachments = view === _ui_utils.SidebarView.ATTACHMENTS,
isLayers = view === _ui_utils.SidebarView.LAYERS;
this.thumbnailButton.classList.toggle("toggled", isThumbs);
this.outlineButton.classList.toggle("toggled", isOutline);
this.attachmentsButton.classList.toggle("toggled", isAttachments);
this.layersButton.classList.toggle("toggled", isLayers);
this.thumbnailButton.setAttribute("aria-checked", isThumbs);
this.outlineButton.setAttribute("aria-checked", isOutline);
this.attachmentsButton.setAttribute("aria-checked", isAttachments);
this.layersButton.setAttribute("aria-checked", isLayers);
this.thumbnailView.classList.toggle("hidden", !isThumbs);
this.outlineView.classList.toggle("hidden", !isOutline);
this.attachmentsView.classList.toggle("hidden", !isAttachments);
this.layersView.classList.toggle("hidden", !isLayers);
this._outlineOptionsContainer.classList.toggle("hidden", !isOutline);
if (forceOpen && !this.isOpen) {
this.open();
return;
}
if (shouldForceRendering) {
this.#updateThumbnailViewer();
this.#forceRendering();
}
if (isViewChanged) {
this.#dispatchEvent();
}
}
open() {
if (this.isOpen) {
return;
}
this.isOpen = true;
this.toggleButton.classList.add("toggled");
this.toggleButton.setAttribute("aria-expanded", "true");
this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");
if (this.active === _ui_utils.SidebarView.THUMBS) {
this.#updateThumbnailViewer();
}
this.#forceRendering();
this.#dispatchEvent();
this.#hideUINotification();
}
close() {
if (!this.isOpen) {
return;
}
this.isOpen = false;
this.toggleButton.classList.remove("toggled");
this.toggleButton.setAttribute("aria-expanded", "false");
this.outerContainer.classList.add("sidebarMoving");
this.outerContainer.classList.remove("sidebarOpen");
this.#forceRendering();
this.#dispatchEvent();
}
toggle() {
if (this.isOpen) {
this.close();
} else {
this.open();
}
}
#dispatchEvent() {
if (this.isInitialViewSet && !this.isInitialEventDispatched) {
this.isInitialEventDispatched = true;
}
this.eventBus.dispatch("sidebarviewchanged", {
source: this,
view: this.visibleView,
});
}
#forceRendering() {
if (this.onToggled) {
this.onToggled();
} else {
this.pdfViewer.forceRendering();
this.pdfThumbnailViewer.forceRendering();
}
}
#updateThumbnailViewer() {
const { pdfViewer, pdfThumbnailViewer } = this;
const pagesCount = pdfViewer.pagesCount;
for (let pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
const pageView = pdfViewer.getPageView(pageIndex);
if (
pageView?.renderingState === _ui_utils.RenderingStates.FINISHED
) {
const thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
thumbnailView.setImage(pageView);
}
}
pdfThumbnailViewer.scrollThumbnailIntoView(
pdfViewer.currentPageNumber
);
}
#showUINotification() {
this.toggleButton.setAttribute(
"data-l10n-id",
"toggle_sidebar_notification2"
);
this.l10n.translate(this.toggleButton);
if (!this.isOpen) {
this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
}
}
#hideUINotification(reset = false) {
if (this.isOpen || reset) {
this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
}
if (reset) {
this.toggleButton.setAttribute("data-l10n-id", "toggle_sidebar");
this.l10n.translate(this.toggleButton);
}
}
#addEventListeners() {
this.sidebarContainer.addEventListener("transitionend", (evt) => {
if (evt.target === this.sidebarContainer) {
this.outerContainer.classList.remove("sidebarMoving");
}
});
this.toggleButton.addEventListener("click", () => {
this.toggle();
});
this.thumbnailButton.addEventListener("click", () => {
this.switchView(_ui_utils.SidebarView.THUMBS);
});
this.outlineButton.addEventListener("click", () => {
this.switchView(_ui_utils.SidebarView.OUTLINE);
});
this.outlineButton.addEventListener("dblclick", () => {
this.eventBus.dispatch("toggleoutlinetree", {
source: this,
});
});
this.attachmentsButton.addEventListener("click", () => {
this.switchView(_ui_utils.SidebarView.ATTACHMENTS);
});
this.layersButton.addEventListener("click", () => {
this.switchView(_ui_utils.SidebarView.LAYERS);
});
this.layersButton.addEventListener("dblclick", () => {
this.eventBus.dispatch("resetlayers", {
source: this,
});
});
this._currentOutlineItemButton.addEventListener("click", () => {
this.eventBus.dispatch("currentoutlineitem", {
source: this,
});
});
const onTreeLoaded = (count, button, view) => {
button.disabled = !count;
if (count) {
this.#showUINotification();
} else if (this.active === view) {
this.switchView(_ui_utils.SidebarView.THUMBS);
}
};
this.eventBus._on("outlineloaded", (evt) => {
onTreeLoaded(
evt.outlineCount,
this.outlineButton,
_ui_utils.SidebarView.OUTLINE
);
evt.currentOutlineItemPromise.then((enabled) => {
if (!this.isInitialViewSet) {
return;
}
this._currentOutlineItemButton.disabled = !enabled;
});
});
this.eventBus._on("attachmentsloaded", (evt) => {
onTreeLoaded(
evt.attachmentsCount,
this.attachmentsButton,
_ui_utils.SidebarView.ATTACHMENTS
);
});
this.eventBus._on("layersloaded", (evt) => {
onTreeLoaded(
evt.layersCount,
this.layersButton,
_ui_utils.SidebarView.LAYERS
);
});
this.eventBus._on("presentationmodechanged", (evt) => {
if (
evt.state === _ui_utils.PresentationModeState.NORMAL &&
this.visibleView === _ui_utils.SidebarView.THUMBS
) {
this.#updateThumbnailViewer();
}
});
}
}
exports.PDFSidebar = PDFSidebar;
/***/
},
/* 26 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFSidebarResizer = void 0;
var _ui_utils = __webpack_require__(3);
const SIDEBAR_WIDTH_VAR = "--sidebar-width";
const SIDEBAR_MIN_WIDTH = 200;
const SIDEBAR_RESIZING_CLASS = "sidebarResizing";
class PDFSidebarResizer {
constructor(options, eventBus, l10n) {
this.isRTL = false;
this.sidebarOpen = false;
this._width = null;
this._outerContainerWidth = null;
this._boundEvents = Object.create(null);
this.outerContainer = options.outerContainer;
this.resizer = options.resizer;
this.eventBus = eventBus;
l10n.getDirection().then((dir) => {
this.isRTL = dir === "rtl";
});
this._addEventListeners();
}
get outerContainerWidth() {
return (this._outerContainerWidth ||=
this.outerContainer.clientWidth);
}
_updateWidth(width = 0) {
const maxWidth = Math.floor(this.outerContainerWidth / 2);
if (width > maxWidth) {
width = maxWidth;
}
if (width < SIDEBAR_MIN_WIDTH) {
width = SIDEBAR_MIN_WIDTH;
}
if (width === this._width) {
return false;
}
this._width = width;
_ui_utils.docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`);
return true;
}
_mouseMove(evt) {
let width = evt.clientX;
if (this.isRTL) {
width = this.outerContainerWidth - width;
}
this._updateWidth(width);
}
_mouseUp(evt) {
this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
this.eventBus.dispatch("resize", {
source: this,
});
const _boundEvents = this._boundEvents;
window.removeEventListener("mousemove", _boundEvents.mouseMove);
window.removeEventListener("mouseup", _boundEvents.mouseUp);
}
_addEventListeners() {
const _boundEvents = this._boundEvents;
_boundEvents.mouseMove = this._mouseMove.bind(this);
_boundEvents.mouseUp = this._mouseUp.bind(this);
this.resizer.addEventListener("mousedown", (evt) => {
if (evt.button !== 0) {
return;
}
this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
window.addEventListener("mousemove", _boundEvents.mouseMove);
window.addEventListener("mouseup", _boundEvents.mouseUp);
});
this.eventBus._on("sidebarviewchanged", (evt) => {
this.sidebarOpen = !!evt?.view;
});
this.eventBus._on("resize", (evt) => {
if (evt?.source !== window) {
return;
}
this._outerContainerWidth = null;
if (!this._width) {
return;
}
if (!this.sidebarOpen) {
this._updateWidth(this._width);
return;
}
this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
const updated = this._updateWidth(this._width);
Promise.resolve().then(() => {
this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
if (updated) {
this.eventBus.dispatch("resize", {
source: this,
});
}
});
});
}
}
exports.PDFSidebarResizer = PDFSidebarResizer;
/***/
},
/* 27 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFThumbnailViewer = void 0;
var _ui_utils = __webpack_require__(3);
var _pdf_thumbnail_view = __webpack_require__(28);
const THUMBNAIL_SCROLL_MARGIN = -19;
const THUMBNAIL_SELECTED_CLASS = "selected";
class PDFThumbnailViewer {
constructor({
container,
linkService,
renderingQueue,
l10n,
pageColors,
}) {
this.container = container;
this.linkService = linkService;
this.renderingQueue = renderingQueue;
this.l10n = l10n;
this.pageColors = pageColors || null;
if (
this.pageColors &&
!(
CSS.supports("color", this.pageColors.background) &&
CSS.supports("color", this.pageColors.foreground)
)
) {
if (this.pageColors.background || this.pageColors.foreground) {
console.warn(
"PDFThumbnailViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used."
);
}
this.pageColors = null;
}
this.scroll = (0, _ui_utils.watchScroll)(
this.container,
this._scrollUpdated.bind(this)
);
this._resetView();
}
_scrollUpdated() {
this.renderingQueue.renderHighestPriority();
}
getThumbnail(index) {
return this._thumbnails[index];
}
_getVisibleThumbs() {
return (0, _ui_utils.getVisibleElements)({
scrollEl: this.container,
views: this._thumbnails,
});
}
scrollThumbnailIntoView(pageNumber) {
if (!this.pdfDocument) {
return;
}
const thumbnailView = this._thumbnails[pageNumber - 1];
if (!thumbnailView) {
console.error(
'scrollThumbnailIntoView: Invalid "pageNumber" parameter.'
);
return;
}
if (pageNumber !== this._currentPageNumber) {
const prevThumbnailView =
this._thumbnails[this._currentPageNumber - 1];
prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
}
const { first, last, views } = this._getVisibleThumbs();
if (views.length > 0) {
let shouldScroll = false;
if (pageNumber <= first.id || pageNumber >= last.id) {
shouldScroll = true;
} else {
for (const { id, percent } of views) {
if (id !== pageNumber) {
continue;
}
shouldScroll = percent < 100;
break;
}
}
if (shouldScroll) {
(0, _ui_utils.scrollIntoView)(thumbnailView.div, {
top: THUMBNAIL_SCROLL_MARGIN,
});
}
}
this._currentPageNumber = pageNumber;
}
get pagesRotation() {
return this._pagesRotation;
}
set pagesRotation(rotation) {
if (!(0, _ui_utils.isValidRotation)(rotation)) {
throw new Error("Invalid thumbnails rotation angle.");
}
if (!this.pdfDocument) {
return;
}
if (this._pagesRotation === rotation) {
return;
}
this._pagesRotation = rotation;
const updateArgs = {
rotation,
};
for (const thumbnail of this._thumbnails) {
thumbnail.update(updateArgs);
}
}
cleanup() {
for (const thumbnail of this._thumbnails) {
if (
thumbnail.renderingState !== _ui_utils.RenderingStates.FINISHED
) {
thumbnail.reset();
}
}
_pdf_thumbnail_view.TempImageFactory.destroyCanvas();
}
_resetView() {
this._thumbnails = [];
this._currentPageNumber = 1;
this._pageLabels = null;
this._pagesRotation = 0;
this.container.textContent = "";
}
setDocument(pdfDocument) {
if (this.pdfDocument) {
this._cancelRendering();
this._resetView();
}
this.pdfDocument = pdfDocument;
if (!pdfDocument) {
return;
}
const firstPagePromise = pdfDocument.getPage(1);
const optionalContentConfigPromise =
pdfDocument.getOptionalContentConfig();
firstPagePromise
.then((firstPdfPage) => {
const pagesCount = pdfDocument.numPages;
const viewport = firstPdfPage.getViewport({
scale: 1,
});
for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
const thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
container: this.container,
id: pageNum,
defaultViewport: viewport.clone(),
optionalContentConfigPromise,
linkService: this.linkService,
renderingQueue: this.renderingQueue,
l10n: this.l10n,
pageColors: this.pageColors,
});
this._thumbnails.push(thumbnail);
}
this._thumbnails[0]?.setPdfPage(firstPdfPage);
const thumbnailView =
this._thumbnails[this._currentPageNumber - 1];
thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
})
.catch((reason) => {
console.error("Unable to initialize thumbnail viewer", reason);
});
}
_cancelRendering() {
for (const thumbnail of this._thumbnails) {
thumbnail.cancelRendering();
}
}
setPageLabels(labels) {
if (!this.pdfDocument) {
return;
}
if (!labels) {
this._pageLabels = null;
} else if (
!(
Array.isArray(labels) &&
this.pdfDocument.numPages === labels.length
)
) {
this._pageLabels = null;
console.error(
"PDFThumbnailViewer_setPageLabels: Invalid page labels."
);
} else {
this._pageLabels = labels;
}
for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null);
}
}
async #ensurePdfPageLoaded(thumbView) {
if (thumbView.pdfPage) {
return thumbView.pdfPage;
}
try {
const pdfPage = await this.pdfDocument.getPage(thumbView.id);
if (!thumbView.pdfPage) {
thumbView.setPdfPage(pdfPage);
}
return pdfPage;
} catch (reason) {
console.error("Unable to get page for thumb view", reason);
return null;
}
}
#getScrollAhead(visible) {
if (visible.first?.id === 1) {
return true;
} else if (visible.last?.id === this._thumbnails.length) {
return false;
}
return this.scroll.down;
}
forceRendering() {
const visibleThumbs = this._getVisibleThumbs();
const scrollAhead = this.#getScrollAhead(visibleThumbs);
const thumbView = this.renderingQueue.getHighestPriority(
visibleThumbs,
this._thumbnails,
scrollAhead
);
if (thumbView) {
this.#ensurePdfPageLoaded(thumbView).then(() => {
this.renderingQueue.renderView(thumbView);
});
return true;
}
return false;
}
}
exports.PDFThumbnailViewer = PDFThumbnailViewer;
/***/
},
/* 28 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.TempImageFactory = exports.PDFThumbnailView = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
const DRAW_UPSCALE_FACTOR = 2;
const MAX_NUM_SCALING_STEPS = 3;
const THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
const THUMBNAIL_WIDTH = 98;
class TempImageFactory {
static #tempCanvas = null;
static getCanvas(width, height) {
const tempCanvas = (this.#tempCanvas ||=
document.createElement("canvas"));
tempCanvas.width = width;
tempCanvas.height = height;
const ctx = tempCanvas.getContext("2d", {
alpha: false,
});
ctx.save();
ctx.fillStyle = "rgb(255, 255, 255)";
ctx.fillRect(0, 0, width, height);
ctx.restore();
return [tempCanvas, tempCanvas.getContext("2d")];
}
static destroyCanvas() {
const tempCanvas = this.#tempCanvas;
if (tempCanvas) {
tempCanvas.width = 0;
tempCanvas.height = 0;
}
this.#tempCanvas = null;
}
}
exports.TempImageFactory = TempImageFactory;
class PDFThumbnailView {
constructor({
container,
id,
defaultViewport,
optionalContentConfigPromise,
linkService,
renderingQueue,
l10n,
pageColors,
}) {
this.id = id;
this.renderingId = "thumbnail" + id;
this.pageLabel = null;
this.pdfPage = null;
this.rotation = 0;
this.viewport = defaultViewport;
this.pdfPageRotate = defaultViewport.rotation;
this._optionalContentConfigPromise =
optionalContentConfigPromise || null;
this.pageColors = pageColors || null;
this.linkService = linkService;
this.renderingQueue = renderingQueue;
this.renderTask = null;
this.renderingState = _ui_utils.RenderingStates.INITIAL;
this.resume = null;
const pageWidth = this.viewport.width,
pageHeight = this.viewport.height,
pageRatio = pageWidth / pageHeight;
this.canvasWidth = THUMBNAIL_WIDTH;
this.canvasHeight = (this.canvasWidth / pageRatio) | 0;
this.scale = this.canvasWidth / pageWidth;
this.l10n = l10n;
const anchor = document.createElement("a");
anchor.href = linkService.getAnchorUrl("#page=" + id);
this._thumbPageTitle.then((msg) => {
anchor.title = msg;
});
anchor.onclick = function () {
linkService.goToPage(id);
return false;
};
this.anchor = anchor;
const div = document.createElement("div");
div.className = "thumbnail";
div.setAttribute("data-page-number", this.id);
this.div = div;
const ring = document.createElement("div");
ring.className = "thumbnailSelectionRing";
const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
ring.style.width = this.canvasWidth + borderAdjustment + "px";
ring.style.height = this.canvasHeight + borderAdjustment + "px";
this.ring = ring;
div.append(ring);
anchor.append(div);
container.append(anchor);
}
setPdfPage(pdfPage) {
this.pdfPage = pdfPage;
this.pdfPageRotate = pdfPage.rotate;
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = pdfPage.getViewport({
scale: 1,
rotation: totalRotation,
});
this.reset();
}
reset() {
this.cancelRendering();
this.renderingState = _ui_utils.RenderingStates.INITIAL;
const pageWidth = this.viewport.width,
pageHeight = this.viewport.height,
pageRatio = pageWidth / pageHeight;
this.canvasHeight = (this.canvasWidth / pageRatio) | 0;
this.scale = this.canvasWidth / pageWidth;
this.div.removeAttribute("data-loaded");
const ring = this.ring;
ring.textContent = "";
const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
ring.style.width = this.canvasWidth + borderAdjustment + "px";
ring.style.height = this.canvasHeight + borderAdjustment + "px";
if (this.canvas) {
this.canvas.width = 0;
this.canvas.height = 0;
delete this.canvas;
}
if (this.image) {
this.image.removeAttribute("src");
delete this.image;
}
}
update({ rotation = null }) {
if (typeof rotation === "number") {
this.rotation = rotation;
}
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = this.viewport.clone({
scale: 1,
rotation: totalRotation,
});
this.reset();
}
cancelRendering() {
if (this.renderTask) {
this.renderTask.cancel();
this.renderTask = null;
}
this.resume = null;
}
_getPageDrawContext(upscaleFactor = 1) {
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d", {
alpha: false,
});
const outputScale = new _ui_utils.OutputScale();
canvas.width =
(upscaleFactor * this.canvasWidth * outputScale.sx) | 0;
canvas.height =
(upscaleFactor * this.canvasHeight * outputScale.sy) | 0;
const transform = outputScale.scaled
? [outputScale.sx, 0, 0, outputScale.sy, 0, 0]
: null;
return {
ctx,
canvas,
transform,
};
}
_convertCanvasToImage(canvas) {
if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) {
throw new Error(
"_convertCanvasToImage: Rendering has not finished."
);
}
const reducedCanvas = this._reduceImage(canvas);
const image = document.createElement("img");
image.className = "thumbnailImage";
this._thumbPageCanvas.then((msg) => {
image.setAttribute("aria-label", msg);
});
image.style.width = this.canvasWidth + "px";
image.style.height = this.canvasHeight + "px";
image.src = reducedCanvas.toDataURL();
this.image = image;
this.div.setAttribute("data-loaded", true);
this.ring.append(image);
reducedCanvas.width = 0;
reducedCanvas.height = 0;
}
draw() {
if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
console.error("Must be in new state before drawing");
return Promise.resolve();
}
const { pdfPage } = this;
if (!pdfPage) {
this.renderingState = _ui_utils.RenderingStates.FINISHED;
return Promise.reject(new Error("pdfPage is not loaded"));
}
this.renderingState = _ui_utils.RenderingStates.RUNNING;
const finishRenderTask = async (error = null) => {
if (renderTask === this.renderTask) {
this.renderTask = null;
}
if (error instanceof _pdfjsLib.RenderingCancelledException) {
return;
}
this.renderingState = _ui_utils.RenderingStates.FINISHED;
this._convertCanvasToImage(canvas);
if (error) {
throw error;
}
};
const { ctx, canvas, transform } =
this._getPageDrawContext(DRAW_UPSCALE_FACTOR);
const drawViewport = this.viewport.clone({
scale: DRAW_UPSCALE_FACTOR * this.scale,
});
const renderContinueCallback = (cont) => {
if (!this.renderingQueue.isHighestPriority(this)) {
this.renderingState = _ui_utils.RenderingStates.PAUSED;
this.resume = () => {
this.renderingState = _ui_utils.RenderingStates.RUNNING;
cont();
};
return;
}
cont();
};
const renderContext = {
canvasContext: ctx,
transform,
viewport: drawViewport,
optionalContentConfigPromise: this._optionalContentConfigPromise,
pageColors: this.pageColors,
};
const renderTask = (this.renderTask = pdfPage.render(renderContext));
renderTask.onContinue = renderContinueCallback;
const resultPromise = renderTask.promise.then(
function () {
return finishRenderTask(null);
},
function (error) {
return finishRenderTask(error);
}
);
resultPromise.finally(() => {
canvas.width = 0;
canvas.height = 0;
const pageCached = this.linkService.isPageCached(this.id);
if (!pageCached) {
this.pdfPage?.cleanup();
}
});
return resultPromise;
}
setImage(pageView) {
if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
return;
}
const { thumbnailCanvas: canvas, pdfPage, scale } = pageView;
if (!canvas) {
return;
}
if (!this.pdfPage) {
this.setPdfPage(pdfPage);
}
if (scale < this.scale) {
return;
}
this.renderingState = _ui_utils.RenderingStates.FINISHED;
this._convertCanvasToImage(canvas);
}
_reduceImage(img) {
const { ctx, canvas } = this._getPageDrawContext();
if (img.width <= 2 * canvas.width) {
ctx.drawImage(
img,
0,
0,
img.width,
img.height,
0,
0,
canvas.width,
canvas.height
);
return canvas;
}
let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(
reducedWidth,
reducedHeight
);
while (reducedWidth > img.width || reducedHeight > img.height) {
reducedWidth >>= 1;
reducedHeight >>= 1;
}
reducedImageCtx.drawImage(
img,
0,
0,
img.width,
img.height,
0,
0,
reducedWidth,
reducedHeight
);
while (reducedWidth > 2 * canvas.width) {
reducedImageCtx.drawImage(
reducedImage,
0,
0,
reducedWidth,
reducedHeight,
0,
0,
reducedWidth >> 1,
reducedHeight >> 1
);
reducedWidth >>= 1;
reducedHeight >>= 1;
}
ctx.drawImage(
reducedImage,
0,
0,
reducedWidth,
reducedHeight,
0,
0,
canvas.width,
canvas.height
);
return canvas;
}
get _thumbPageTitle() {
return this.l10n.get("thumb_page_title", {
page: this.pageLabel ?? this.id,
});
}
get _thumbPageCanvas() {
return this.l10n.get("thumb_page_canvas", {
page: this.pageLabel ?? this.id,
});
}
setPageLabel(label) {
this.pageLabel = typeof label === "string" ? label : null;
this._thumbPageTitle.then((msg) => {
this.anchor.title = msg;
});
if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) {
return;
}
this._thumbPageCanvas.then((msg) => {
this.image?.setAttribute("aria-label", msg);
});
}
}
exports.PDFThumbnailView = PDFThumbnailView;
/***/
},
/* 29 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PagesCountLimit =
exports.PDFViewer =
exports.PDFPageViewBuffer =
void 0;
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
var _l10n_utils = __webpack_require__(30);
var _pdf_page_view = __webpack_require__(31);
var _pdf_rendering_queue = __webpack_require__(23);
var _pdf_link_service = __webpack_require__(7);
const DEFAULT_CACHE_SIZE = 10;
const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
const PagesCountLimit = {
FORCE_SCROLL_MODE_PAGE: 15000,
FORCE_LAZY_PAGE_INIT: 7500,
PAUSE_EAGER_PAGE_INIT: 250,
};
exports.PagesCountLimit = PagesCountLimit;
function isValidAnnotationEditorMode(mode) {
return (
Object.values(_pdfjsLib.AnnotationEditorType).includes(mode) &&
mode !== _pdfjsLib.AnnotationEditorType.DISABLE
);
}
class PDFPageViewBuffer {
#buf = new Set();
#size = 0;
constructor(size) {
this.#size = size;
}
push(view) {
const buf = this.#buf;
if (buf.has(view)) {
buf.delete(view);
}
buf.add(view);
if (buf.size > this.#size) {
this.#destroyFirstView();
}
}
resize(newSize, idsToKeep = null) {
this.#size = newSize;
const buf = this.#buf;
if (idsToKeep) {
const ii = buf.size;
let i = 1;
for (const view of buf) {
if (idsToKeep.has(view.id)) {
buf.delete(view);
buf.add(view);
}
if (++i > ii) {
break;
}
}
}
while (buf.size > this.#size) {
this.#destroyFirstView();
}
}
has(view) {
return this.#buf.has(view);
}
[Symbol.iterator]() {
return this.#buf.keys();
}
#destroyFirstView() {
const firstView = this.#buf.keys().next().value;
firstView?.destroy();
this.#buf.delete(firstView);
}
}
exports.PDFPageViewBuffer = PDFPageViewBuffer;
class PDFViewer {
#buffer = null;
#annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE;
#annotationEditorUIManager = null;
#annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS;
#containerTopLeft = null;
#enablePermissions = false;
#previousContainerHeight = 0;
#resizeObserver = new ResizeObserver(
this.#resizeObserverCallback.bind(this)
);
#scrollModePageState = null;
#onVisibilityChange = null;
#scaleTimeoutId = null;
constructor(options) {
const viewerVersion = "3.5.0";
if (_pdfjsLib.version !== viewerVersion) {
throw new Error(
`The API version "${_pdfjsLib.version}" does not match the Viewer version "${viewerVersion}".`
);
}
this.container = options.container;
this.viewer = options.viewer || options.container.firstElementChild;
if (
this.container?.tagName !== "DIV" ||
this.viewer?.tagName !== "DIV"
) {
throw new Error("Invalid `container` and/or `viewer` option.");
}
if (
this.container.offsetParent &&
getComputedStyle(this.container).position !== "absolute"
) {
throw new Error("The `container` must be absolutely positioned.");
}
this.#resizeObserver.observe(this.container);
this.eventBus = options.eventBus;
this.linkService =
options.linkService || new _pdf_link_service.SimpleLinkService();
this.downloadManager = options.downloadManager || null;
this.findController = options.findController || null;
this._scriptingManager = options.scriptingManager || null;
this.textLayerMode =
options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE;
this.#annotationMode =
options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS;
this.#annotationEditorMode =
options.annotationEditorMode ?? _pdfjsLib.AnnotationEditorType.NONE;
this.imageResourcesPath = options.imageResourcesPath || "";
this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
this.removePageBorders = options.removePageBorders || false;
this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
this.useOnlyCssZoom = options.useOnlyCssZoom || false;
this.isOffscreenCanvasSupported =
options.isOffscreenCanvasSupported ?? true;
this.maxCanvasPixels = options.maxCanvasPixels;
this.l10n = options.l10n || _l10n_utils.NullL10n;
this.#enablePermissions = options.enablePermissions || false;
this.pageColors = options.pageColors || null;
if (
this.pageColors &&
!(
CSS.supports("color", this.pageColors.background) &&
CSS.supports("color", this.pageColors.foreground)
)
) {
if (this.pageColors.background || this.pageColors.foreground) {
console.warn(
"PDFViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used."
);
}
this.pageColors = null;
}
this.defaultRenderingQueue = !options.renderingQueue;
if (this.defaultRenderingQueue) {
this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
this.renderingQueue.setViewer(this);
} else {
this.renderingQueue = options.renderingQueue;
}
this.scroll = (0, _ui_utils.watchScroll)(
this.container,
this._scrollUpdate.bind(this)
);
this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
this._onBeforeDraw = this._onAfterDraw = null;
this._resetView();
if (this.removePageBorders) {
this.viewer.classList.add("removePageBorders");
}
this.#updateContainerHeightCss();
}
get pagesCount() {
return this._pages.length;
}
getPageView(index) {
return this._pages[index];
}
get pageViewsReady() {
if (!this._pagesCapability.settled) {
return false;
}
return this._pages.every(function (pageView) {
return pageView?.pdfPage;
});
}
get renderForms() {
return this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS;
}
get enableScripting() {
return !!this._scriptingManager;
}
get currentPageNumber() {
return this._currentPageNumber;
}
set currentPageNumber(val) {
if (!Number.isInteger(val)) {
throw new Error("Invalid page number.");
}
if (!this.pdfDocument) {
return;
}
if (!this._setCurrentPageNumber(val, true)) {
console.error(`currentPageNumber: "${val}" is not a valid page.`);
}
}
_setCurrentPageNumber(val, resetCurrentPageView = false) {
if (this._currentPageNumber === val) {
if (resetCurrentPageView) {
this.#resetCurrentPageView();
}
return true;
}
if (!(0 < val && val <= this.pagesCount)) {
return false;
}
const previous = this._currentPageNumber;
this._currentPageNumber = val;
this.eventBus.dispatch("pagechanging", {
source: this,
pageNumber: val,
pageLabel: this._pageLabels?.[val - 1] ?? null,
previous,
});
if (resetCurrentPageView) {
this.#resetCurrentPageView();
}
return true;
}
get currentPageLabel() {
return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
}
set currentPageLabel(val) {
if (!this.pdfDocument) {
return;
}
let page = val | 0;
if (this._pageLabels) {
const i = this._pageLabels.indexOf(val);
if (i >= 0) {
page = i + 1;
}
}
if (!this._setCurrentPageNumber(page, true)) {
console.error(`currentPageLabel: "${val}" is not a valid page.`);
}
}
get currentScale() {
return this._currentScale !== _ui_utils.UNKNOWN_SCALE
? this._currentScale
: _ui_utils.DEFAULT_SCALE;
}
set currentScale(val) {
if (isNaN(val)) {
throw new Error("Invalid numeric scale.");
}
if (!this.pdfDocument) {
return;
}
this._setScale(val, {
noScroll: false,
});
}
get currentScaleValue() {
return this._currentScaleValue;
}
set currentScaleValue(val) {
if (!this.pdfDocument) {
return;
}
this._setScale(val, {
noScroll: false,
});
}
get pagesRotation() {
return this._pagesRotation;
}
set pagesRotation(rotation) {
if (!(0, _ui_utils.isValidRotation)(rotation)) {
throw new Error("Invalid pages rotation angle.");
}
if (!this.pdfDocument) {
return;
}
rotation %= 360;
if (rotation < 0) {
rotation += 360;
}
if (this._pagesRotation === rotation) {
return;
}
this._pagesRotation = rotation;
const pageNumber = this._currentPageNumber;
this.refresh(true, {
rotation,
});
if (this._currentScaleValue) {
this._setScale(this._currentScaleValue, {
noScroll: true,
});
}
this.eventBus.dispatch("rotationchanging", {
source: this,
pagesRotation: rotation,
pageNumber,
});
if (this.defaultRenderingQueue) {
this.update();
}
}
get firstPagePromise() {
return this.pdfDocument ? this._firstPageCapability.promise : null;
}
get onePageRendered() {
return this.pdfDocument
? this._onePageRenderedCapability.promise
: null;
}
get pagesPromise() {
return this.pdfDocument ? this._pagesCapability.promise : null;
}
#layerProperties() {
const self = this;
return {
get annotationEditorUIManager() {
return self.#annotationEditorUIManager;
},
get annotationStorage() {
return self.pdfDocument?.annotationStorage;
},
get downloadManager() {
return self.downloadManager;
},
get enableScripting() {
return !!self._scriptingManager;
},
get fieldObjectsPromise() {
return self.pdfDocument?.getFieldObjects();
},
get findController() {
return self.findController;
},
get hasJSActionsPromise() {
return self.pdfDocument?.hasJSActions();
},
get linkService() {
return self.linkService;
},
};
}
#initializePermissions(permissions) {
const params = {
annotationEditorMode: this.#annotationEditorMode,
annotationMode: this.#annotationMode,
textLayerMode: this.textLayerMode,
};
if (!permissions) {
return params;
}
if (!permissions.includes(_pdfjsLib.PermissionFlag.COPY)) {
this.viewer.classList.add(ENABLE_PERMISSIONS_CLASS);
}
if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_CONTENTS)) {
params.annotationEditorMode =
_pdfjsLib.AnnotationEditorType.DISABLE;
}
if (
!permissions.includes(
_pdfjsLib.PermissionFlag.MODIFY_ANNOTATIONS
) &&
!permissions.includes(
_pdfjsLib.PermissionFlag.FILL_INTERACTIVE_FORMS
) &&
this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS
) {
params.annotationMode = _pdfjsLib.AnnotationMode.ENABLE;
}
return params;
}
#onePageRenderedOrForceFetch() {
if (
document.visibilityState === "hidden" ||
!this.container.offsetParent ||
this._getVisiblePages().views.length === 0
) {
return Promise.resolve();
}
const visibilityChangePromise = new Promise((resolve) => {
this.#onVisibilityChange = () => {
if (document.visibilityState !== "hidden") {
return;
}
resolve();
document.removeEventListener(
"visibilitychange",
this.#onVisibilityChange
);
this.#onVisibilityChange = null;
};
document.addEventListener(
"visibilitychange",
this.#onVisibilityChange
);
});
return Promise.race([
this._onePageRenderedCapability.promise,
visibilityChangePromise,
]);
}
setDocument(pdfDocument) {
if (this.pdfDocument) {
this.eventBus.dispatch("pagesdestroy", {
source: this,
});
this._cancelRendering();
this._resetView();
this.findController?.setDocument(null);
this._scriptingManager?.setDocument(null);
if (this.#annotationEditorUIManager) {
this.#annotationEditorUIManager.destroy();
this.#annotationEditorUIManager = null;
}
}
this.pdfDocument = pdfDocument;
if (!pdfDocument) {
return;
}
const pagesCount = pdfDocument.numPages;
const firstPagePromise = pdfDocument.getPage(1);
const optionalContentConfigPromise =
pdfDocument.getOptionalContentConfig();
const permissionsPromise = this.#enablePermissions
? pdfDocument.getPermissions()
: Promise.resolve();
if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
console.warn(
"Forcing PAGE-scrolling for performance reasons, given the length of the document."
);
const mode = (this._scrollMode = _ui_utils.ScrollMode.PAGE);
this.eventBus.dispatch("scrollmodechanged", {
source: this,
mode,
});
}
this._pagesCapability.promise.then(
() => {
this.eventBus.dispatch("pagesloaded", {
source: this,
pagesCount,
});
},
() => { }
);
this._onBeforeDraw = (evt) => {
const pageView = this._pages[evt.pageNumber - 1];
if (!pageView) {
return;
}
this.#buffer.push(pageView);
};
this.eventBus._on("pagerender", this._onBeforeDraw);
this._onAfterDraw = (evt) => {
if (evt.cssTransform || this._onePageRenderedCapability.settled) {
return;
}
this._onePageRenderedCapability.resolve({
timestamp: evt.timestamp,
});
this.eventBus._off("pagerendered", this._onAfterDraw);
this._onAfterDraw = null;
if (this.#onVisibilityChange) {
document.removeEventListener(
"visibilitychange",
this.#onVisibilityChange
);
this.#onVisibilityChange = null;
}
};
this.eventBus._on("pagerendered", this._onAfterDraw);
Promise.all([firstPagePromise, permissionsPromise])
.then(([firstPdfPage, permissions]) => {
if (pdfDocument !== this.pdfDocument) {
return;
}
this._firstPageCapability.resolve(firstPdfPage);
this._optionalContentConfigPromise = optionalContentConfigPromise;
const { annotationEditorMode, annotationMode, textLayerMode } =
this.#initializePermissions(permissions);
if (
annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE
) {
const mode = annotationEditorMode;
if (pdfDocument.isPureXfa) {
console.warn("Warning: XFA-editing is not implemented.");
} else if (isValidAnnotationEditorMode(mode)) {
this.#annotationEditorUIManager =
new _pdfjsLib.AnnotationEditorUIManager(
this.container,
this.eventBus,
pdfDocument?.annotationStorage
);
if (mode !== _pdfjsLib.AnnotationEditorType.NONE) {
this.#annotationEditorUIManager.updateMode(mode);
}
} else {
console.error(`Invalid AnnotationEditor mode: ${mode}`);
}
}
const layerProperties = this.#layerProperties.bind(this);
const viewerElement =
this._scrollMode === _ui_utils.ScrollMode.PAGE
? null
: this.viewer;
const scale = this.currentScale;
const viewport = firstPdfPage.getViewport({
scale: scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
});
this.viewer.style.setProperty("--scale-factor", viewport.scale);
for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
const pageView = new _pdf_page_view.PDFPageView({
container: viewerElement,
eventBus: this.eventBus,
id: pageNum,
scale,
defaultViewport: viewport.clone(),
optionalContentConfigPromise,
renderingQueue: this.renderingQueue,
textLayerMode,
annotationMode,
imageResourcesPath: this.imageResourcesPath,
renderer: this.renderer,
useOnlyCssZoom: this.useOnlyCssZoom,
isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
maxCanvasPixels: this.maxCanvasPixels,
pageColors: this.pageColors,
l10n: this.l10n,
layerProperties,
});
this._pages.push(pageView);
}
const firstPageView = this._pages[0];
if (firstPageView) {
firstPageView.setPdfPage(firstPdfPage);
this.linkService.cachePageRef(1, firstPdfPage.ref);
}
if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
this.#ensurePageViewVisible();
} else if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
this._updateSpreadMode();
}
this.#onePageRenderedOrForceFetch().then(async () => {
this.findController?.setDocument(pdfDocument);
this._scriptingManager?.setDocument(pdfDocument);
if (this.#annotationEditorUIManager) {
this.eventBus.dispatch("annotationeditormodechanged", {
source: this,
mode: this.#annotationEditorMode,
});
}
if (
pdfDocument.loadingParams.disableAutoFetch ||
pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT
) {
this._pagesCapability.resolve();
return;
}
let getPagesLeft = pagesCount - 1;
if (getPagesLeft <= 0) {
this._pagesCapability.resolve();
return;
}
for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
const promise = pdfDocument.getPage(pageNum).then(
(pdfPage) => {
const pageView = this._pages[pageNum - 1];
if (!pageView.pdfPage) {
pageView.setPdfPage(pdfPage);
}
this.linkService.cachePageRef(pageNum, pdfPage.ref);
if (--getPagesLeft === 0) {
this._pagesCapability.resolve();
}
},
(reason) => {
console.error(
`Unable to get page ${pageNum} to initialize viewer`,
reason
);
if (--getPagesLeft === 0) {
this._pagesCapability.resolve();
}
}
);
if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) {
await promise;
}
}
});
this.eventBus.dispatch("pagesinit", {
source: this,
});
pdfDocument.getMetadata().then(({ info }) => {
if (pdfDocument !== this.pdfDocument) {
return;
}
if (info.Language) {
this.viewer.lang = info.Language;
}
});
if (this.defaultRenderingQueue) {
this.update();
}
})
.catch((reason) => {
console.error("Unable to initialize viewer", reason);
this._pagesCapability.reject(reason);
});
}
setPageLabels(labels) {
if (!this.pdfDocument) {
return;
}
if (!labels) {
this._pageLabels = null;
} else if (
!(
Array.isArray(labels) &&
this.pdfDocument.numPages === labels.length
)
) {
this._pageLabels = null;
console.error(`setPageLabels: Invalid page labels.`);
} else {
this._pageLabels = labels;
}
for (let i = 0, ii = this._pages.length; i < ii; i++) {
this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
}
}
_resetView() {
this._pages = [];
this._currentPageNumber = 1;
this._currentScale = _ui_utils.UNKNOWN_SCALE;
this._currentScaleValue = null;
this._pageLabels = null;
this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
this._location = null;
this._pagesRotation = 0;
this._optionalContentConfigPromise = null;
this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
this._onePageRenderedCapability = (0,
_pdfjsLib.createPromiseCapability)();
this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
this._previousScrollMode = _ui_utils.ScrollMode.UNKNOWN;
this._spreadMode = _ui_utils.SpreadMode.NONE;
this.#scrollModePageState = {
previousPageNumber: 1,
scrollDown: true,
pages: [],
};
if (this._onBeforeDraw) {
this.eventBus._off("pagerender", this._onBeforeDraw);
this._onBeforeDraw = null;
}
if (this._onAfterDraw) {
this.eventBus._off("pagerendered", this._onAfterDraw);
this._onAfterDraw = null;
}
if (this.#onVisibilityChange) {
document.removeEventListener(
"visibilitychange",
this.#onVisibilityChange
);
this.#onVisibilityChange = null;
}
this.viewer.textContent = "";
this._updateScrollMode();
this.viewer.removeAttribute("lang");
this.viewer.classList.remove(ENABLE_PERMISSIONS_CLASS);
}
#ensurePageViewVisible() {
if (this._scrollMode !== _ui_utils.ScrollMode.PAGE) {
throw new Error(
"#ensurePageViewVisible: Invalid scrollMode value."
);
}
const pageNumber = this._currentPageNumber,
state = this.#scrollModePageState,
viewer = this.viewer;
viewer.textContent = "";
state.pages.length = 0;
if (
this._spreadMode === _ui_utils.SpreadMode.NONE &&
!this.isInPresentationMode
) {
const pageView = this._pages[pageNumber - 1];
viewer.append(pageView.div);
state.pages.push(pageView);
} else {
const pageIndexSet = new Set(),
parity = this._spreadMode - 1;
if (parity === -1) {
pageIndexSet.add(pageNumber - 1);
} else if (pageNumber % 2 !== parity) {
pageIndexSet.add(pageNumber - 1);
pageIndexSet.add(pageNumber);
} else {
pageIndexSet.add(pageNumber - 2);
pageIndexSet.add(pageNumber - 1);
}
const spread = document.createElement("div");
spread.className = "spread";
if (this.isInPresentationMode) {
const dummyPage = document.createElement("div");
dummyPage.className = "dummyPage";
spread.append(dummyPage);
}
for (const i of pageIndexSet) {
const pageView = this._pages[i];
if (!pageView) {
continue;
}
spread.append(pageView.div);
state.pages.push(pageView);
}
viewer.append(spread);
}
state.scrollDown = pageNumber >= state.previousPageNumber;
state.previousPageNumber = pageNumber;
}
_scrollUpdate() {
if (this.pagesCount === 0) {
return;
}
this.update();
}
#scrollIntoView(pageView, pageSpot = null) {
const { div, id } = pageView;
if (this._currentPageNumber !== id) {
this._setCurrentPageNumber(id);
}
if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
this.#ensurePageViewVisible();
this.update();
}
if (!pageSpot && !this.isInPresentationMode) {
const left = div.offsetLeft + div.clientLeft,
right = left + div.clientWidth;
const { scrollLeft, clientWidth } = this.container;
if (
this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL ||
left < scrollLeft ||
right > scrollLeft + clientWidth
) {
pageSpot = {
left: 0,
top: 0,
};
}
}
(0, _ui_utils.scrollIntoView)(div, pageSpot);
if (!this._currentScaleValue && this._location) {
this._location = null;
}
}
#isSameScale(newScale) {
return (
newScale === this._currentScale ||
Math.abs(newScale - this._currentScale) < 1e-15
);
}
_setScaleUpdatePages(
newScale,
newValue,
{ noScroll = false, preset = false, drawingDelay = -1 }
) {
this._currentScaleValue = newValue.toString();
if (this.#isSameScale(newScale)) {
if (preset) {
this.eventBus.dispatch("scalechanging", {
source: this,
scale: newScale,
presetValue: newValue,
});
}
return;
}
this.viewer.style.setProperty(
"--scale-factor",
newScale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
);
const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
this.refresh(true, {
scale: newScale,
drawingDelay: postponeDrawing ? drawingDelay : -1,
});
if (postponeDrawing) {
this.#scaleTimeoutId = setTimeout(() => {
this.#scaleTimeoutId = null;
this.refresh();
}, drawingDelay);
}
this._currentScale = newScale;
if (!noScroll) {
let page = this._currentPageNumber,
dest;
if (
this._location &&
!(this.isInPresentationMode || this.isChangingPresentationMode)
) {
page = this._location.pageNumber;
dest = [
null,
{
name: "XYZ",
},
this._location.left,
this._location.top,
null,
];
}
this.scrollPageIntoView({
pageNumber: page,
destArray: dest,
allowNegativeOffset: true,
});
}
this.eventBus.dispatch("scalechanging", {
source: this,
scale: newScale,
presetValue: preset ? newValue : undefined,
});
if (this.defaultRenderingQueue) {
this.update();
}
}
get _pageWidthScaleFactor() {
if (
this._spreadMode !== _ui_utils.SpreadMode.NONE &&
this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL
) {
return 2;
}
return 1;
}
_setScale(value, options) {
let scale = parseFloat(value);
if (scale > 0) {
options.preset = false;
this._setScaleUpdatePages(scale, value, options);
} else {
const currentPage = this._pages[this._currentPageNumber - 1];
if (!currentPage) {
return;
}
let hPadding = _ui_utils.SCROLLBAR_PADDING,
vPadding = _ui_utils.VERTICAL_PADDING;
if (this.isInPresentationMode) {
hPadding = vPadding = 4;
if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
hPadding *= 2;
}
} else if (this.removePageBorders) {
hPadding = vPadding = 0;
} else if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL) {
[hPadding, vPadding] = [vPadding, hPadding];
}
const pageWidthScale =
(((this.container.clientWidth - hPadding) / currentPage.width) *
currentPage.scale) /
this._pageWidthScaleFactor;
const pageHeightScale =
((this.container.clientHeight - vPadding) / currentPage.height) *
currentPage.scale;
switch (value) {
case "page-actual":
scale = 1;
break;
case "page-width":
scale = pageWidthScale;
break;
case "page-height":
scale = pageHeightScale;
break;
case "page-fit":
scale = Math.min(pageWidthScale, pageHeightScale);
break;
case "auto":
const horizontalScale = (0, _ui_utils.isPortraitOrientation)(
currentPage
)
? pageWidthScale
: Math.min(pageHeightScale, pageWidthScale);
scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
break;
default:
console.error(
`_setScale: "${value}" is an unknown zoom value.`
);
return;
}
options.preset = true;
this._setScaleUpdatePages(scale, value, options);
}
}
#resetCurrentPageView() {
const pageView = this._pages[this._currentPageNumber - 1];
if (this.isInPresentationMode) {
this._setScale(this._currentScaleValue, {
noScroll: true,
});
}
this.#scrollIntoView(pageView);
}
pageLabelToPageNumber(label) {
if (!this._pageLabels) {
return null;
}
const i = this._pageLabels.indexOf(label);
if (i < 0) {
return null;
}
return i + 1;
}
scrollPageIntoView({
pageNumber,
destArray = null,
allowNegativeOffset = false,
ignoreDestinationZoom = false,
}) {
if (!this.pdfDocument) {
return;
}
const pageView =
Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
if (!pageView) {
console.error(
`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`
);
return;
}
if (this.isInPresentationMode || !destArray) {
this._setCurrentPageNumber(pageNumber, true);
return;
}
let x = 0,
y = 0;
let width = 0,
height = 0,
widthScale,
heightScale;
const changeOrientation = pageView.rotation % 180 !== 0;
const pageWidth =
(changeOrientation ? pageView.height : pageView.width) /
pageView.scale /
_pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
const pageHeight =
(changeOrientation ? pageView.width : pageView.height) /
pageView.scale /
_pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
let scale = 0;
switch (destArray[1].name) {
case "XYZ":
x = destArray[2];
y = destArray[3];
scale = destArray[4];
x = x !== null ? x : 0;
y = y !== null ? y : pageHeight;
break;
case "Fit":
case "FitB":
scale = "page-fit";
break;
case "FitH":
case "FitBH":
y = destArray[2];
scale = "page-width";
if (y === null && this._location) {
x = this._location.left;
y = this._location.top;
} else if (typeof y !== "number" || y < 0) {
y = pageHeight;
}
break;
case "FitV":
case "FitBV":
x = destArray[2];
width = pageWidth;
height = pageHeight;
scale = "page-height";
break;
case "FitR":
x = destArray[2];
y = destArray[3];
width = destArray[4] - x;
height = destArray[5] - y;
let hPadding = _ui_utils.SCROLLBAR_PADDING,
vPadding = _ui_utils.VERTICAL_PADDING;
if (this.removePageBorders) {
hPadding = vPadding = 0;
}
widthScale =
(this.container.clientWidth - hPadding) /
width /
_pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
heightScale =
(this.container.clientHeight - vPadding) /
height /
_pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
break;
default:
console.error(
`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`
);
return;
}
if (!ignoreDestinationZoom) {
if (scale && scale !== this._currentScale) {
this.currentScaleValue = scale;
} else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
}
}
if (scale === "page-fit" && !destArray[4]) {
this.#scrollIntoView(pageView);
return;
}
const boundingRect = [
pageView.viewport.convertToViewportPoint(x, y),
pageView.viewport.convertToViewportPoint(x + width, y + height),
];
let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
if (!allowNegativeOffset) {
left = Math.max(left, 0);
top = Math.max(top, 0);
}
this.#scrollIntoView(pageView, {
left,
top,
});
}
_updateLocation(firstPage) {
const currentScale = this._currentScale;
const currentScaleValue = this._currentScaleValue;
const normalizedScaleValue =
parseFloat(currentScaleValue) === currentScale
? Math.round(currentScale * 10000) / 100
: currentScaleValue;
const pageNumber = firstPage.id;
const currentPageView = this._pages[pageNumber - 1];
const container = this.container;
const topLeft = currentPageView.getPagePoint(
container.scrollLeft - firstPage.x,
container.scrollTop - firstPage.y
);
const intLeft = Math.round(topLeft[0]);
const intTop = Math.round(topLeft[1]);
let pdfOpenParams = `#page=${pageNumber}`;
if (!this.isInPresentationMode) {
pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`;
}
this._location = {
pageNumber,
scale: normalizedScaleValue,
top: intTop,
left: intLeft,
rotation: this._pagesRotation,
pdfOpenParams,
};
}
update() {
const visible = this._getVisiblePages();
const visiblePages = visible.views,
numVisiblePages = visiblePages.length;
if (numVisiblePages === 0) {
return;
}
const newCacheSize = Math.max(
DEFAULT_CACHE_SIZE,
2 * numVisiblePages + 1
);
this.#buffer.resize(newCacheSize, visible.ids);
this.renderingQueue.renderHighestPriority(visible);
const isSimpleLayout =
this._spreadMode === _ui_utils.SpreadMode.NONE &&
(this._scrollMode === _ui_utils.ScrollMode.PAGE ||
this._scrollMode === _ui_utils.ScrollMode.VERTICAL);
const currentId = this._currentPageNumber;
let stillFullyVisible = false;
for (const page of visiblePages) {
if (page.percent < 100) {
break;
}
if (page.id === currentId && isSimpleLayout) {
stillFullyVisible = true;
break;
}
}
this._setCurrentPageNumber(
stillFullyVisible ? currentId : visiblePages[0].id
);
this._updateLocation(visible.first);
this.eventBus.dispatch("updateviewarea", {
source: this,
location: this._location,
});
}
containsElement(element) {
return this.container.contains(element);
}
focus() {
this.container.focus();
}
get _isContainerRtl() {
return getComputedStyle(this.container).direction === "rtl";
}
get isInPresentationMode() {
return (
this.presentationModeState ===
_ui_utils.PresentationModeState.FULLSCREEN
);
}
get isChangingPresentationMode() {
return (
this.presentationModeState ===
_ui_utils.PresentationModeState.CHANGING
);
}
get isHorizontalScrollbarEnabled() {
return this.isInPresentationMode
? false
: this.container.scrollWidth > this.container.clientWidth;
}
get isVerticalScrollbarEnabled() {
return this.isInPresentationMode
? false
: this.container.scrollHeight > this.container.clientHeight;
}
_getVisiblePages() {
const views =
this._scrollMode === _ui_utils.ScrollMode.PAGE
? this.#scrollModePageState.pages
: this._pages,
horizontal = this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL,
rtl = horizontal && this._isContainerRtl;
return (0, _ui_utils.getVisibleElements)({
scrollEl: this.container,
views,
sortByVisibility: true,
horizontal,
rtl,
});
}
isPageVisible(pageNumber) {
if (!this.pdfDocument) {
return false;
}
if (
!(
Number.isInteger(pageNumber) &&
pageNumber > 0 &&
pageNumber <= this.pagesCount
)
) {
console.error(
`isPageVisible: "${pageNumber}" is not a valid page.`
);
return false;
}
return this._getVisiblePages().ids.has(pageNumber);
}
isPageCached(pageNumber) {
if (!this.pdfDocument) {
return false;
}
if (
!(
Number.isInteger(pageNumber) &&
pageNumber > 0 &&
pageNumber <= this.pagesCount
)
) {
console.error(`isPageCached: "${pageNumber}" is not a valid page.`);
return false;
}
const pageView = this._pages[pageNumber - 1];
return this.#buffer.has(pageView);
}
cleanup() {
for (const pageView of this._pages) {
if (
pageView.renderingState !== _ui_utils.RenderingStates.FINISHED
) {
pageView.reset();
}
}
}
_cancelRendering() {
for (const pageView of this._pages) {
pageView.cancelRendering();
}
}
async #ensurePdfPageLoaded(pageView) {
if (pageView.pdfPage) {
return pageView.pdfPage;
}
try {
const pdfPage = await this.pdfDocument.getPage(pageView.id);
if (!pageView.pdfPage) {
pageView.setPdfPage(pdfPage);
}
if (!this.linkService._cachedPageNumber?.(pdfPage.ref)) {
this.linkService.cachePageRef(pageView.id, pdfPage.ref);
}
return pdfPage;
} catch (reason) {
console.error("Unable to get page for page view", reason);
return null;
}
}
#getScrollAhead(visible) {
if (visible.first?.id === 1) {
return true;
} else if (visible.last?.id === this.pagesCount) {
return false;
}
switch (this._scrollMode) {
case _ui_utils.ScrollMode.PAGE:
return this.#scrollModePageState.scrollDown;
case _ui_utils.ScrollMode.HORIZONTAL:
return this.scroll.right;
}
return this.scroll.down;
}
forceRendering(currentlyVisiblePages) {
const visiblePages = currentlyVisiblePages || this._getVisiblePages();
const scrollAhead = this.#getScrollAhead(visiblePages);
const preRenderExtra =
this._spreadMode !== _ui_utils.SpreadMode.NONE &&
this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL;
const pageView = this.renderingQueue.getHighestPriority(
visiblePages,
this._pages,
scrollAhead,
preRenderExtra
);
if (pageView) {
this.#ensurePdfPageLoaded(pageView).then(() => {
this.renderingQueue.renderView(pageView);
});
return true;
}
return false;
}
get hasEqualPageSizes() {
const firstPageView = this._pages[0];
for (let i = 1, ii = this._pages.length; i < ii; ++i) {
const pageView = this._pages[i];
if (
pageView.width !== firstPageView.width ||
pageView.height !== firstPageView.height
) {
return false;
}
}
return true;
}
getPagesOverview() {
return this._pages.map((pageView) => {
const viewport = pageView.pdfPage.getViewport({
scale: 1,
});
if (
!this.enablePrintAutoRotate ||
(0, _ui_utils.isPortraitOrientation)(viewport)
) {
return {
width: viewport.width,
height: viewport.height,
rotation: viewport.rotation,
};
}
return {
width: viewport.height,
height: viewport.width,
rotation: (viewport.rotation - 90) % 360,
};
});
}
get optionalContentConfigPromise() {
if (!this.pdfDocument) {
return Promise.resolve(null);
}
if (!this._optionalContentConfigPromise) {
console.error("optionalContentConfigPromise: Not initialized yet.");
return this.pdfDocument.getOptionalContentConfig();
}
return this._optionalContentConfigPromise;
}
set optionalContentConfigPromise(promise) {
if (!(promise instanceof Promise)) {
throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
}
if (!this.pdfDocument) {
return;
}
if (!this._optionalContentConfigPromise) {
return;
}
this._optionalContentConfigPromise = promise;
this.refresh(false, {
optionalContentConfigPromise: promise,
});
this.eventBus.dispatch("optionalcontentconfigchanged", {
source: this,
promise,
});
}
get scrollMode() {
return this._scrollMode;
}
set scrollMode(mode) {
if (this._scrollMode === mode) {
return;
}
if (!(0, _ui_utils.isValidScrollMode)(mode)) {
throw new Error(`Invalid scroll mode: ${mode}`);
}
if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
return;
}
this._previousScrollMode = this._scrollMode;
this._scrollMode = mode;
this.eventBus.dispatch("scrollmodechanged", {
source: this,
mode,
});
this._updateScrollMode(this._currentPageNumber);
}
_updateScrollMode(pageNumber = null) {
const scrollMode = this._scrollMode,
viewer = this.viewer;
viewer.classList.toggle(
"scrollHorizontal",
scrollMode === _ui_utils.ScrollMode.HORIZONTAL
);
viewer.classList.toggle(
"scrollWrapped",
scrollMode === _ui_utils.ScrollMode.WRAPPED
);
if (!this.pdfDocument || !pageNumber) {
return;
}
if (scrollMode === _ui_utils.ScrollMode.PAGE) {
this.#ensurePageViewVisible();
} else if (this._previousScrollMode === _ui_utils.ScrollMode.PAGE) {
this._updateSpreadMode();
}
if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
this._setScale(this._currentScaleValue, {
noScroll: true,
});
}
this._setCurrentPageNumber(pageNumber, true);
this.update();
}
get spreadMode() {
return this._spreadMode;
}
set spreadMode(mode) {
if (this._spreadMode === mode) {
return;
}
if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
throw new Error(`Invalid spread mode: ${mode}`);
}
this._spreadMode = mode;
this.eventBus.dispatch("spreadmodechanged", {
source: this,
mode,
});
this._updateSpreadMode(this._currentPageNumber);
}
_updateSpreadMode(pageNumber = null) {
if (!this.pdfDocument) {
return;
}
const viewer = this.viewer,
pages = this._pages;
if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
this.#ensurePageViewVisible();
} else {
viewer.textContent = "";
if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
for (const pageView of this._pages) {
viewer.append(pageView.div);
}
} else {
const parity = this._spreadMode - 1;
let spread = null;
for (let i = 0, ii = pages.length; i < ii; ++i) {
if (spread === null) {
spread = document.createElement("div");
spread.className = "spread";
viewer.append(spread);
} else if (i % 2 === parity) {
spread = spread.cloneNode(false);
viewer.append(spread);
}
spread.append(pages[i].div);
}
}
}
if (!pageNumber) {
return;
}
if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
this._setScale(this._currentScaleValue, {
noScroll: true,
});
}
this._setCurrentPageNumber(pageNumber, true);
this.update();
}
_getPageAdvance(currentPageNumber, previous = false) {
switch (this._scrollMode) {
case _ui_utils.ScrollMode.WRAPPED: {
const { views } = this._getVisiblePages(),
pageLayout = new Map();
for (const { id, y, percent, widthPercent } of views) {
if (percent === 0 || widthPercent < 100) {
continue;
}
let yArray = pageLayout.get(y);
if (!yArray) {
pageLayout.set(y, (yArray ||= []));
}
yArray.push(id);
}
for (const yArray of pageLayout.values()) {
const currentIndex = yArray.indexOf(currentPageNumber);
if (currentIndex === -1) {
continue;
}
const numPages = yArray.length;
if (numPages === 1) {
break;
}
if (previous) {
for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
const currentId = yArray[i],
expectedId = yArray[i + 1] - 1;
if (currentId < expectedId) {
return currentPageNumber - expectedId;
}
}
} else {
for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
const currentId = yArray[i],
expectedId = yArray[i - 1] + 1;
if (currentId > expectedId) {
return expectedId - currentPageNumber;
}
}
}
if (previous) {
const firstId = yArray[0];
if (firstId < currentPageNumber) {
return currentPageNumber - firstId + 1;
}
} else {
const lastId = yArray[numPages - 1];
if (lastId > currentPageNumber) {
return lastId - currentPageNumber + 1;
}
}
break;
}
break;
}
case _ui_utils.ScrollMode.HORIZONTAL: {
break;
}
case _ui_utils.ScrollMode.PAGE:
case _ui_utils.ScrollMode.VERTICAL: {
if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
break;
}
const parity = this._spreadMode - 1;
if (previous && currentPageNumber % 2 !== parity) {
break;
} else if (!previous && currentPageNumber % 2 === parity) {
break;
}
const { views } = this._getVisiblePages(),
expectedId = previous
? currentPageNumber - 1
: currentPageNumber + 1;
for (const { id, percent, widthPercent } of views) {
if (id !== expectedId) {
continue;
}
if (percent > 0 && widthPercent === 100) {
return 2;
}
break;
}
break;
}
}
return 1;
}
nextPage() {
const currentPageNumber = this._currentPageNumber,
pagesCount = this.pagesCount;
if (currentPageNumber >= pagesCount) {
return false;
}
const advance = this._getPageAdvance(currentPageNumber, false) || 1;
this.currentPageNumber = Math.min(
currentPageNumber + advance,
pagesCount
);
return true;
}
previousPage() {
const currentPageNumber = this._currentPageNumber;
if (currentPageNumber <= 1) {
return false;
}
const advance = this._getPageAdvance(currentPageNumber, true) || 1;
this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
return true;
}
increaseScale(options = null) {
if (typeof options === "number") {
console.error(
"The `increaseScale` method-signature was updated, please use an object instead."
);
options = {
steps: options,
};
}
if (!this.pdfDocument) {
return;
}
options ||= Object.create(null);
let newScale = this._currentScale;
if (options.scaleFactor > 1) {
newScale = Math.min(
_ui_utils.MAX_SCALE,
Math.round(newScale * options.scaleFactor * 100) / 100
);
} else {
let steps = options.steps ?? 1;
do {
newScale = (newScale * _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.ceil(newScale * 10) / 10;
newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
} while (--steps > 0 && newScale < _ui_utils.MAX_SCALE);
}
options.noScroll = false;
this._setScale(newScale, options);
}
decreaseScale(options = null) {
if (typeof options === "number") {
console.error(
"The `decreaseScale` method-signature was updated, please use an object instead."
);
options = {
steps: options,
};
}
if (!this.pdfDocument) {
return;
}
options ||= Object.create(null);
let newScale = this._currentScale;
if (options.scaleFactor > 0 && options.scaleFactor < 1) {
newScale = Math.max(
_ui_utils.MIN_SCALE,
Math.round(newScale * options.scaleFactor * 100) / 100
);
} else {
let steps = options.steps ?? 1;
do {
newScale = (newScale / _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.floor(newScale * 10) / 10;
newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
} while (--steps > 0 && newScale > _ui_utils.MIN_SCALE);
}
options.noScroll = false;
this._setScale(newScale, options);
}
#updateContainerHeightCss(height = this.container.clientHeight) {
if (height !== this.#previousContainerHeight) {
this.#previousContainerHeight = height;
_ui_utils.docStyle.setProperty(
"--viewer-container-height",
`${height}px`
);
}
}
#resizeObserverCallback(entries) {
for (const entry of entries) {
if (entry.target === this.container) {
this.#updateContainerHeightCss(
Math.floor(entry.borderBoxSize[0].blockSize)
);
this.#containerTopLeft = null;
break;
}
}
}
get containerTopLeft() {
return (this.#containerTopLeft ||= [
this.container.offsetTop,
this.container.offsetLeft,
]);
}
get annotationEditorMode() {
return this.#annotationEditorUIManager
? this.#annotationEditorMode
: _pdfjsLib.AnnotationEditorType.DISABLE;
}
set annotationEditorMode(mode) {
if (!this.#annotationEditorUIManager) {
throw new Error(`The AnnotationEditor is not enabled.`);
}
if (this.#annotationEditorMode === mode) {
return;
}
if (!isValidAnnotationEditorMode(mode)) {
throw new Error(`Invalid AnnotationEditor mode: ${mode}`);
}
if (!this.pdfDocument) {
return;
}
this.#annotationEditorMode = mode;
this.eventBus.dispatch("annotationeditormodechanged", {
source: this,
mode,
});
this.#annotationEditorUIManager.updateMode(mode);
}
set annotationEditorParams({ type, value }) {
if (!this.#annotationEditorUIManager) {
throw new Error(`The AnnotationEditor is not enabled.`);
}
this.#annotationEditorUIManager.updateParams(type, value);
}
refresh(noUpdate = false, updateArgs = Object.create(null)) {
if (!this.pdfDocument) {
return;
}
for (const pageView of this._pages) {
pageView.update(updateArgs);
}
if (this.#scaleTimeoutId !== null) {
clearTimeout(this.#scaleTimeoutId);
this.#scaleTimeoutId = null;
}
if (!noUpdate) {
this.update();
}
}
}
exports.PDFViewer = PDFViewer;
/***/
},
/* 30 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.NullL10n = void 0;
exports.fixupLangCode = fixupLangCode;
exports.getL10nFallback = getL10nFallback;
const DEFAULT_L10N_STRINGS = {
of_pages: "of {{pagesCount}}",
page_of_pages: "({{pageNumber}} of {{pagesCount}})",
document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)",
document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)",
document_properties_date_string: "{{date}}, {{time}}",
document_properties_page_size_unit_inches: "in",
document_properties_page_size_unit_millimeters: "mm",
document_properties_page_size_orientation_portrait: "portrait",
document_properties_page_size_orientation_landscape: "landscape",
document_properties_page_size_name_a3: "A3",
document_properties_page_size_name_a4: "A4",
document_properties_page_size_name_letter: "Letter",
document_properties_page_size_name_legal: "Legal",
document_properties_page_size_dimension_string:
"{{width}} × {{height}} {{unit}} ({{orientation}})",
document_properties_page_size_dimension_name_string:
"{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})",
document_properties_linearized_yes: "Yes",
document_properties_linearized_no: "No",
additional_layers: "Additional Layers",
page_landmark: "Page {{page}}",
thumb_page_title: "Page {{page}}",
thumb_page_canvas: "Thumbnail of Page {{page}}",
find_reached_top: "Reached top of document, continued from bottom",
find_reached_bottom: "Reached end of document, continued from top",
"find_match_count[one]": "{{current}} of {{total}} match",
"find_match_count[other]": "{{current}} of {{total}} matches",
"find_match_count_limit[one]": "More than {{limit}} match",
"find_match_count_limit[other]": "More than {{limit}} matches",
find_not_found: "Phrase not found",
page_scale_width: "Page Width",
page_scale_fit: "Page Fit",
page_scale_auto: "Automatic Zoom",
page_scale_actual: "Actual Size",
page_scale_percent: "{{scale}}%",
loading_error: "An error occurred while loading the PDF.",
invalid_file_error: "Invalid or corrupted PDF file.",
missing_file_error: "Missing PDF file.",
unexpected_response_error: "Unexpected server response.",
rendering_error: "An error occurred while rendering the page.",
printing_not_supported:
"Warning: Printing is not fully supported by this browser.",
printing_not_ready:
"Warning: The PDF is not fully loaded for printing.",
web_fonts_disabled:
"Web fonts are disabled: unable to use embedded PDF fonts.",
free_text2_default_content: "Start typing…",
editor_free_text2_aria_label: "Text Editor",
editor_ink2_aria_label: "Draw Editor",
editor_ink_canvas_aria_label: "User-created image",
};
{
DEFAULT_L10N_STRINGS.print_progress_percent = "{{progress}}%";
}
function getL10nFallback(key, args) {
switch (key) {
case "find_match_count":
key = `find_match_count[${args.total === 1 ? "one" : "other"}]`;
break;
case "find_match_count_limit":
key = `find_match_count_limit[${args.limit === 1 ? "one" : "other"
}]`;
break;
}
return DEFAULT_L10N_STRINGS[key] || "";
}
const PARTIAL_LANG_CODES = {
en: "en-US",
es: "es-ES",
fy: "fy-NL",
ga: "ga-IE",
gu: "gu-IN",
hi: "hi-IN",
hy: "hy-AM",
nb: "nb-NO",
ne: "ne-NP",
nn: "nn-NO",
pa: "pa-IN",
pt: "pt-PT",
sv: "sv-SE",
zh: "zh-CN",
};
function fixupLangCode(langCode) {
return PARTIAL_LANG_CODES[langCode?.toLowerCase()] || langCode;
}
function formatL10nValue(text, args) {
if (!args) {
return text;
}
return text.replace(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => {
return name in args ? args[name] : "{{" + name + "}}";
});
}
const NullL10n = {
async getLanguage() {
return "en-us";
},
async getDirection() {
return "ltr";
},
async get(key, args = null, fallback = getL10nFallback(key, args)) {
return formatL10nValue(fallback, args);
},
async translate(element) { },
};
exports.NullL10n = NullL10n;
/***/
},
/* 31 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFPageView = void 0;
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
var _annotation_editor_layer_builder = __webpack_require__(32);
var _annotation_layer_builder = __webpack_require__(33);
var _app_options = __webpack_require__(5);
var _l10n_utils = __webpack_require__(30);
var _pdf_link_service = __webpack_require__(7);
var _struct_tree_layer_builder = __webpack_require__(34);
var _text_accessibility = __webpack_require__(35);
var _text_highlighter = __webpack_require__(36);
var _text_layer_builder = __webpack_require__(37);
var _xfa_layer_builder = __webpack_require__(38);
const MAX_CANVAS_PIXELS =
_app_options.compatibilityParams.maxCanvasPixels || 16777216;
const DEFAULT_LAYER_PROPERTIES = () => {
return null;
};
class PDFPageView {
#annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS;
#layerProperties = null;
#loadingId = null;
#previousRotation = null;
#renderingState = _ui_utils.RenderingStates.INITIAL;
#useThumbnailCanvas = {
initialOptionalContent: true,
regularAnnotations: true,
};
constructor(options) {
const container = options.container;
const defaultViewport = options.defaultViewport;
this.id = options.id;
this.renderingId = "page" + this.id;
this.#layerProperties =
options.layerProperties || DEFAULT_LAYER_PROPERTIES;
this.pdfPage = null;
this.pageLabel = null;
this.rotation = 0;
this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
this.viewport = defaultViewport;
this.pdfPageRotate = defaultViewport.rotation;
this._optionalContentConfigPromise =
options.optionalContentConfigPromise || null;
this.hasRestrictedScaling = false;
this.textLayerMode =
options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE;
this.#annotationMode =
options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS;
this.imageResourcesPath = options.imageResourcesPath || "";
this.useOnlyCssZoom = options.useOnlyCssZoom || false;
this.isOffscreenCanvasSupported =
options.isOffscreenCanvasSupported ?? true;
this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
this.pageColors = options.pageColors || null;
this.eventBus = options.eventBus;
this.renderingQueue = options.renderingQueue;
this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
this.l10n = options.l10n || _l10n_utils.NullL10n;
this.paintTask = null;
this.paintedViewportMap = new WeakMap();
this.resume = null;
this._renderError = null;
this._isStandalone = !this.renderingQueue?.hasViewer();
this._annotationCanvasMap = null;
this.annotationLayer = null;
this.annotationEditorLayer = null;
this.textLayer = null;
this.zoomLayer = null;
this.xfaLayer = null;
this.structTreeLayer = null;
const div = document.createElement("div");
div.className = "page";
div.setAttribute("data-page-number", this.id);
div.setAttribute("role", "region");
this.l10n
.get("page_landmark", {
page: this.id,
})
.then((msg) => {
div.setAttribute("aria-label", msg);
});
this.div = div;
this.#setDimensions();
container?.append(div);
if (this._isStandalone) {
container?.style.setProperty(
"--scale-factor",
this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
);
const { optionalContentConfigPromise } = options;
if (optionalContentConfigPromise) {
optionalContentConfigPromise.then((optionalContentConfig) => {
if (
optionalContentConfigPromise !==
this._optionalContentConfigPromise
) {
return;
}
this.#useThumbnailCanvas.initialOptionalContent =
optionalContentConfig.hasInitialVisibility;
});
}
}
}
get renderingState() {
return this.#renderingState;
}
set renderingState(state) {
if (state === this.#renderingState) {
return;
}
this.#renderingState = state;
if (this.#loadingId) {
clearTimeout(this.#loadingId);
this.#loadingId = null;
}
switch (state) {
case _ui_utils.RenderingStates.PAUSED:
this.div.classList.remove("loading");
break;
case _ui_utils.RenderingStates.RUNNING:
this.div.classList.add("loadingIcon");
this.#loadingId = setTimeout(() => {
this.div.classList.add("loading");
this.#loadingId = null;
}, 0);
break;
case _ui_utils.RenderingStates.INITIAL:
case _ui_utils.RenderingStates.FINISHED:
this.div.classList.remove("loadingIcon", "loading");
break;
}
}
#setDimensions() {
const { viewport } = this;
if (this.pdfPage) {
if (this.#previousRotation === viewport.rotation) {
return;
}
this.#previousRotation = viewport.rotation;
}
(0, _pdfjsLib.setLayerDimensions)(this.div, viewport, true, false);
}
setPdfPage(pdfPage) {
this.pdfPage = pdfPage;
this.pdfPageRotate = pdfPage.rotate;
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = pdfPage.getViewport({
scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
rotation: totalRotation,
});
this.#setDimensions();
this.reset();
}
destroy() {
this.reset();
this.pdfPage?.cleanup();
}
get _textHighlighter() {
return (0, _pdfjsLib.shadow)(
this,
"_textHighlighter",
new _text_highlighter.TextHighlighter({
pageIndex: this.id - 1,
eventBus: this.eventBus,
findController: this.#layerProperties().findController,
})
);
}
async #renderAnnotationLayer() {
let error = null;
try {
await this.annotationLayer.render(this.viewport, "display");
} catch (ex) {
console.error(`#renderAnnotationLayer: "${ex}".`);
error = ex;
} finally {
this.eventBus.dispatch("annotationlayerrendered", {
source: this,
pageNumber: this.id,
error,
});
}
}
async #renderAnnotationEditorLayer() {
let error = null;
try {
await this.annotationEditorLayer.render(this.viewport, "display");
} catch (ex) {
console.error(`#renderAnnotationEditorLayer: "${ex}".`);
error = ex;
} finally {
this.eventBus.dispatch("annotationeditorlayerrendered", {
source: this,
pageNumber: this.id,
error,
});
}
}
async #renderXfaLayer() {
let error = null;
try {
const result = await this.xfaLayer.render(this.viewport, "display");
if (result?.textDivs && this._textHighlighter) {
this.#buildXfaTextContentItems(result.textDivs);
}
} catch (ex) {
console.error(`#renderXfaLayer: "${ex}".`);
error = ex;
} finally {
this.eventBus.dispatch("xfalayerrendered", {
source: this,
pageNumber: this.id,
error,
});
}
}
async #renderTextLayer() {
const { pdfPage, textLayer, viewport } = this;
if (!textLayer) {
return;
}
let error = null;
try {
if (!textLayer.renderingDone) {
const readableStream = pdfPage.streamTextContent({
includeMarkedContent: true,
});
textLayer.setTextContentSource(readableStream);
}
await textLayer.render(viewport);
} catch (ex) {
if (ex instanceof _pdfjsLib.AbortException) {
return;
}
console.error(`#renderTextLayer: "${ex}".`);
error = ex;
}
this.eventBus.dispatch("textlayerrendered", {
source: this,
pageNumber: this.id,
numTextDivs: textLayer.numTextDivs,
error,
});
this.#renderStructTreeLayer();
}
async #renderStructTreeLayer() {
if (!this.textLayer) {
return;
}
this.structTreeLayer ||=
new _struct_tree_layer_builder.StructTreeLayerBuilder();
const tree = await (!this.structTreeLayer.renderingDone
? this.pdfPage.getStructTree()
: null);
const treeDom = this.structTreeLayer?.render(tree);
if (treeDom) {
this.canvas?.append(treeDom);
}
this.structTreeLayer?.show();
}
async #buildXfaTextContentItems(textDivs) {
const text = await this.pdfPage.getTextContent();
const items = [];
for (const item of text.items) {
items.push(item.str);
}
this._textHighlighter.setTextMapping(textDivs, items);
this._textHighlighter.enable();
}
_resetZoomLayer(removeFromDOM = false) {
if (!this.zoomLayer) {
return;
}
const zoomLayerCanvas = this.zoomLayer.firstChild;
this.paintedViewportMap.delete(zoomLayerCanvas);
zoomLayerCanvas.width = 0;
zoomLayerCanvas.height = 0;
if (removeFromDOM) {
this.zoomLayer.remove();
}
this.zoomLayer = null;
}
reset({
keepZoomLayer = false,
keepAnnotationLayer = false,
keepAnnotationEditorLayer = false,
keepXfaLayer = false,
keepTextLayer = false,
} = {}) {
this.cancelRendering({
keepAnnotationLayer,
keepAnnotationEditorLayer,
keepXfaLayer,
keepTextLayer,
});
this.renderingState = _ui_utils.RenderingStates.INITIAL;
const div = this.div;
const childNodes = div.childNodes,
zoomLayerNode = (keepZoomLayer && this.zoomLayer) || null,
annotationLayerNode =
(keepAnnotationLayer && this.annotationLayer?.div) || null,
annotationEditorLayerNode =
(keepAnnotationEditorLayer && this.annotationEditorLayer?.div) ||
null,
xfaLayerNode = (keepXfaLayer && this.xfaLayer?.div) || null,
textLayerNode = (keepTextLayer && this.textLayer?.div) || null;
for (let i = childNodes.length - 1; i >= 0; i--) {
const node = childNodes[i];
switch (node) {
case zoomLayerNode:
case annotationLayerNode:
case annotationEditorLayerNode:
case xfaLayerNode:
case textLayerNode:
continue;
}
node.remove();
}
div.removeAttribute("data-loaded");
if (annotationLayerNode) {
this.annotationLayer.hide();
}
if (annotationEditorLayerNode) {
this.annotationEditorLayer.hide();
}
if (xfaLayerNode) {
this.xfaLayer.hide();
}
if (textLayerNode) {
this.textLayer.hide();
}
this.structTreeLayer?.hide();
if (!zoomLayerNode) {
if (this.canvas) {
this.paintedViewportMap.delete(this.canvas);
this.canvas.width = 0;
this.canvas.height = 0;
delete this.canvas;
}
this._resetZoomLayer();
}
if (this.svg) {
this.paintedViewportMap.delete(this.svg);
delete this.svg;
}
}
update({
scale = 0,
rotation = null,
optionalContentConfigPromise = null,
drawingDelay = -1,
}) {
this.scale = scale || this.scale;
if (typeof rotation === "number") {
this.rotation = rotation;
}
if (optionalContentConfigPromise instanceof Promise) {
this._optionalContentConfigPromise = optionalContentConfigPromise;
optionalContentConfigPromise.then((optionalContentConfig) => {
if (
optionalContentConfigPromise !==
this._optionalContentConfigPromise
) {
return;
}
this.#useThumbnailCanvas.initialOptionalContent =
optionalContentConfig.hasInitialVisibility;
});
}
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = this.viewport.clone({
scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
rotation: totalRotation,
});
this.#setDimensions();
if (this._isStandalone) {
this.div.parentNode?.style.setProperty(
"--scale-factor",
this.viewport.scale
);
}
if (this.svg) {
this.cssTransform({
target: this.svg,
redrawAnnotationLayer: true,
redrawAnnotationEditorLayer: true,
redrawXfaLayer: true,
redrawTextLayer: true,
});
this.eventBus.dispatch("pagerendered", {
source: this,
pageNumber: this.id,
cssTransform: true,
timestamp: performance.now(),
error: this._renderError,
});
return;
}
let isScalingRestricted = false;
if (this.canvas && this.maxCanvasPixels > 0) {
const outputScale = this.outputScale;
if (
((Math.floor(this.viewport.width) * outputScale.sx) | 0) *
((Math.floor(this.viewport.height) * outputScale.sy) | 0) >
this.maxCanvasPixels
) {
isScalingRestricted = true;
}
}
const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
if (this.canvas) {
if (
postponeDrawing ||
this.useOnlyCssZoom ||
(this.hasRestrictedScaling && isScalingRestricted)
) {
if (
postponeDrawing &&
this.renderingState !== _ui_utils.RenderingStates.FINISHED
) {
this.cancelRendering({
keepZoomLayer: true,
keepAnnotationLayer: true,
keepAnnotationEditorLayer: true,
keepXfaLayer: true,
keepTextLayer: true,
cancelExtraDelay: drawingDelay,
});
this.renderingState = _ui_utils.RenderingStates.FINISHED;
}
this.cssTransform({
target: this.canvas,
redrawAnnotationLayer: true,
redrawAnnotationEditorLayer: true,
redrawXfaLayer: true,
redrawTextLayer: !postponeDrawing,
hideTextLayer: postponeDrawing,
});
this.eventBus.dispatch("pagerendered", {
source: this,
pageNumber: this.id,
cssTransform: true,
timestamp: performance.now(),
error: this._renderError,
});
return;
}
if (!this.zoomLayer && !this.canvas.hidden) {
this.zoomLayer = this.canvas.parentNode;
this.zoomLayer.style.position = "absolute";
}
}
if (this.zoomLayer) {
this.cssTransform({
target: this.zoomLayer.firstChild,
});
}
this.reset({
keepZoomLayer: true,
keepAnnotationLayer: true,
keepAnnotationEditorLayer: true,
keepXfaLayer: true,
keepTextLayer: true,
});
}
cancelRendering({
keepAnnotationLayer = false,
keepAnnotationEditorLayer = false,
keepXfaLayer = false,
keepTextLayer = false,
cancelExtraDelay = 0,
} = {}) {
if (this.paintTask) {
this.paintTask.cancel(cancelExtraDelay);
this.paintTask = null;
}
this.resume = null;
if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) {
this.textLayer.cancel();
this.textLayer = null;
}
if (this.structTreeLayer && !this.textLayer) {
this.structTreeLayer = null;
}
if (
this.annotationLayer &&
(!keepAnnotationLayer || !this.annotationLayer.div)
) {
this.annotationLayer.cancel();
this.annotationLayer = null;
this._annotationCanvasMap = null;
}
if (
this.annotationEditorLayer &&
(!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)
) {
this.annotationEditorLayer.cancel();
this.annotationEditorLayer = null;
}
if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) {
this.xfaLayer.cancel();
this.xfaLayer = null;
this._textHighlighter?.disable();
}
}
cssTransform({
target,
redrawAnnotationLayer = false,
redrawAnnotationEditorLayer = false,
redrawXfaLayer = false,
redrawTextLayer = false,
hideTextLayer = false,
}) {
if (target instanceof HTMLCanvasElement) {
if (!target.hasAttribute("zooming")) {
target.setAttribute("zooming", true);
const { style } = target;
style.width = style.height = "";
}
} else {
const div = this.div;
const { width, height } = this.viewport;
target.style.width =
target.parentNode.style.width =
div.style.width =
Math.floor(width) + "px";
target.style.height =
target.parentNode.style.height =
div.style.height =
Math.floor(height) + "px";
}
const originalViewport = this.paintedViewportMap.get(target);
if (this.viewport !== originalViewport) {
const relativeRotation =
this.viewport.rotation - originalViewport.rotation;
const absRotation = Math.abs(relativeRotation);
let scaleX = 1,
scaleY = 1;
if (absRotation === 90 || absRotation === 270) {
const { width, height } = this.viewport;
scaleX = height / width;
scaleY = width / height;
}
if (absRotation !== 0) {
target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`;
}
}
if (redrawAnnotationLayer && this.annotationLayer) {
this.#renderAnnotationLayer();
}
if (redrawAnnotationEditorLayer && this.annotationEditorLayer) {
this.#renderAnnotationEditorLayer();
}
if (redrawXfaLayer && this.xfaLayer) {
this.#renderXfaLayer();
}
if (this.textLayer) {
if (hideTextLayer) {
this.textLayer.hide();
this.structTreeLayer?.hide();
} else if (redrawTextLayer) {
this.#renderTextLayer();
}
}
}
get width() {
return this.viewport.width;
}
get height() {
return this.viewport.height;
}
getPagePoint(x, y) {
return this.viewport.convertToPdfPoint(x, y);
}
draw() {
if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
console.error("Must be in new state before drawing");
this.reset();
}
const { div, pdfPage } = this;
if (!pdfPage) {
this.renderingState = _ui_utils.RenderingStates.FINISHED;
return Promise.reject(new Error("pdfPage is not loaded"));
}
this.renderingState = _ui_utils.RenderingStates.RUNNING;
const canvasWrapper = document.createElement("div");
canvasWrapper.classList.add("canvasWrapper");
div.append(canvasWrapper);
if (
!this.textLayer &&
this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE &&
!pdfPage.isPureXfa
) {
this._accessibilityManager ||=
new _text_accessibility.TextAccessibilityManager();
this.textLayer = new _text_layer_builder.TextLayerBuilder({
highlighter: this._textHighlighter,
accessibilityManager: this._accessibilityManager,
isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
});
div.append(this.textLayer.div);
}
if (
!this.annotationLayer &&
this.#annotationMode !== _pdfjsLib.AnnotationMode.DISABLE
) {
const {
annotationStorage,
downloadManager,
enableScripting,
fieldObjectsPromise,
hasJSActionsPromise,
linkService,
} = this.#layerProperties();
this._annotationCanvasMap ||= new Map();
this.annotationLayer =
new _annotation_layer_builder.AnnotationLayerBuilder({
pageDiv: div,
pdfPage,
annotationStorage,
imageResourcesPath: this.imageResourcesPath,
renderForms:
this.#annotationMode ===
_pdfjsLib.AnnotationMode.ENABLE_FORMS,
linkService,
downloadManager,
l10n: this.l10n,
enableScripting,
hasJSActionsPromise,
fieldObjectsPromise,
annotationCanvasMap: this._annotationCanvasMap,
accessibilityManager: this._accessibilityManager,
});
}
let renderContinueCallback = null;
if (this.renderingQueue) {
renderContinueCallback = (cont) => {
if (!this.renderingQueue.isHighestPriority(this)) {
this.renderingState = _ui_utils.RenderingStates.PAUSED;
this.resume = () => {
this.renderingState = _ui_utils.RenderingStates.RUNNING;
cont();
};
return;
}
cont();
};
}
const finishPaintTask = async (error = null) => {
if (paintTask === this.paintTask) {
this.paintTask = null;
}
if (error instanceof _pdfjsLib.RenderingCancelledException) {
this._renderError = null;
return;
}
this._renderError = error;
this.renderingState = _ui_utils.RenderingStates.FINISHED;
this._resetZoomLayer(true);
this.#useThumbnailCanvas.regularAnnotations =
!paintTask.separateAnnots;
this.eventBus.dispatch("pagerendered", {
source: this,
pageNumber: this.id,
cssTransform: false,
timestamp: performance.now(),
error: this._renderError,
});
if (error) {
throw error;
}
};
const paintTask =
this.renderer === _ui_utils.RendererType.SVG
? this.paintOnSvg(canvasWrapper)
: this.paintOnCanvas(canvasWrapper);
paintTask.onRenderContinue = renderContinueCallback;
this.paintTask = paintTask;
const resultPromise = paintTask.promise.then(
() => {
return finishPaintTask(null).then(async () => {
this.#renderTextLayer();
if (this.annotationLayer) {
await this.#renderAnnotationLayer();
}
if (!this.annotationEditorLayer) {
const { annotationEditorUIManager } = this.#layerProperties();
if (!annotationEditorUIManager) {
return;
}
this.annotationEditorLayer =
new _annotation_editor_layer_builder.AnnotationEditorLayerBuilder(
{
uiManager: annotationEditorUIManager,
pageDiv: div,
pdfPage,
l10n: this.l10n,
accessibilityManager: this._accessibilityManager,
}
);
}
this.#renderAnnotationEditorLayer();
});
},
function (reason) {
return finishPaintTask(reason);
}
);
if (pdfPage.isPureXfa) {
if (!this.xfaLayer) {
const { annotationStorage, linkService } =
this.#layerProperties();
this.xfaLayer = new _xfa_layer_builder.XfaLayerBuilder({
pageDiv: div,
pdfPage,
annotationStorage,
linkService,
});
} else if (this.xfaLayer.div) {
div.append(this.xfaLayer.div);
}
this.#renderXfaLayer();
}
div.setAttribute("data-loaded", true);
this.eventBus.dispatch("pagerender", {
source: this,
pageNumber: this.id,
});
return resultPromise;
}
paintOnCanvas(canvasWrapper) {
const renderCapability = (0, _pdfjsLib.createPromiseCapability)();
const result = {
promise: renderCapability.promise,
onRenderContinue(cont) {
cont();
},
cancel(extraDelay = 0) {
renderTask.cancel(extraDelay);
},
get separateAnnots() {
return renderTask.separateAnnots;
},
};
const viewport = this.viewport;
const { width, height } = viewport;
const canvas = document.createElement("canvas");
canvas.setAttribute("role", "presentation");
canvas.hidden = true;
let isCanvasHidden = true;
const showCanvas = function () {
if (isCanvasHidden) {
canvas.hidden = false;
isCanvasHidden = false;
}
};
canvasWrapper.append(canvas);
this.canvas = canvas;
const ctx = canvas.getContext("2d", {
alpha: false,
});
const outputScale = (this.outputScale = new _ui_utils.OutputScale());
if (this.useOnlyCssZoom) {
const actualSizeViewport = viewport.clone({
scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
});
outputScale.sx *= actualSizeViewport.width / width;
outputScale.sy *= actualSizeViewport.height / height;
}
if (this.maxCanvasPixels > 0) {
const pixelsInViewport = width * height;
const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
outputScale.sx = maxScale;
outputScale.sy = maxScale;
this.hasRestrictedScaling = true;
} else {
this.hasRestrictedScaling = false;
}
}
const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
canvas.width = (0, _ui_utils.roundToDivide)(
viewport.width * outputScale.sx,
sfx[0]
);
canvas.height = (0, _ui_utils.roundToDivide)(
viewport.height * outputScale.sy,
sfy[0]
);
const { style } = canvas;
style.width =
(0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + "px";
style.height =
(0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + "px";
this.paintedViewportMap.set(canvas, viewport);
const transform = outputScale.scaled
? [outputScale.sx, 0, 0, outputScale.sy, 0, 0]
: null;
const renderContext = {
canvasContext: ctx,
transform,
viewport,
annotationMode: this.#annotationMode,
optionalContentConfigPromise: this._optionalContentConfigPromise,
annotationCanvasMap: this._annotationCanvasMap,
pageColors: this.pageColors,
};
const renderTask = this.pdfPage.render(renderContext);
renderTask.onContinue = function (cont) {
showCanvas();
if (result.onRenderContinue) {
result.onRenderContinue(cont);
} else {
cont();
}
};
renderTask.promise.then(
function () {
showCanvas();
renderCapability.resolve();
},
function (error) {
if (!(error instanceof _pdfjsLib.RenderingCancelledException)) {
showCanvas();
}
renderCapability.reject(error);
}
);
return result;
}
paintOnSvg(wrapper) {
let cancelled = false;
const ensureNotCancelled = () => {
if (cancelled) {
throw new _pdfjsLib.RenderingCancelledException(
`Rendering cancelled, page ${this.id}`,
"svg"
);
}
};
const pdfPage = this.pdfPage;
const actualSizeViewport = this.viewport.clone({
scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
});
const promise = pdfPage
.getOperatorList({
annotationMode: this.#annotationMode,
})
.then((opList) => {
ensureNotCancelled();
const svgGfx = new _pdfjsLib.SVGGraphics(
pdfPage.commonObjs,
pdfPage.objs
);
return svgGfx.getSVG(opList, actualSizeViewport).then((svg) => {
ensureNotCancelled();
this.svg = svg;
this.paintedViewportMap.set(svg, actualSizeViewport);
svg.style.width = wrapper.style.width;
svg.style.height = wrapper.style.height;
this.renderingState = _ui_utils.RenderingStates.FINISHED;
wrapper.append(svg);
});
});
return {
promise,
onRenderContinue(cont) {
cont();
},
cancel() {
cancelled = true;
},
get separateAnnots() {
return false;
},
};
}
setPageLabel(label) {
this.pageLabel = typeof label === "string" ? label : null;
if (this.pageLabel !== null) {
this.div.setAttribute("data-page-label", this.pageLabel);
} else {
this.div.removeAttribute("data-page-label");
}
}
get thumbnailCanvas() {
const { initialOptionalContent, regularAnnotations } =
this.#useThumbnailCanvas;
return initialOptionalContent && regularAnnotations
? this.canvas
: null;
}
}
exports.PDFPageView = PDFPageView;
/***/
},
/* 32 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.AnnotationEditorLayerBuilder = void 0;
var _pdfjsLib = __webpack_require__(4);
var _l10n_utils = __webpack_require__(30);
class AnnotationEditorLayerBuilder {
#uiManager;
constructor(options) {
this.pageDiv = options.pageDiv;
this.pdfPage = options.pdfPage;
this.accessibilityManager = options.accessibilityManager;
this.l10n = options.l10n || _l10n_utils.NullL10n;
this.annotationEditorLayer = null;
this.div = null;
this._cancelled = false;
this.#uiManager = options.uiManager;
}
async render(viewport, intent = "display") {
if (intent !== "display") {
return;
}
if (this._cancelled) {
return;
}
const clonedViewport = viewport.clone({
dontFlip: true,
});
if (this.div) {
this.annotationEditorLayer.update({
viewport: clonedViewport,
});
this.show();
return;
}
const div = (this.div = document.createElement("div"));
div.className = "annotationEditorLayer";
div.tabIndex = 0;
div.hidden = true;
this.pageDiv.append(div);
this.annotationEditorLayer = new _pdfjsLib.AnnotationEditorLayer({
uiManager: this.#uiManager,
div,
accessibilityManager: this.accessibilityManager,
pageIndex: this.pdfPage.pageNumber - 1,
l10n: this.l10n,
viewport: clonedViewport,
});
const parameters = {
viewport: clonedViewport,
div,
annotations: null,
intent,
};
this.annotationEditorLayer.render(parameters);
this.show();
}
cancel() {
this._cancelled = true;
if (!this.div) {
return;
}
this.pageDiv = null;
this.annotationEditorLayer.destroy();
this.div.remove();
}
hide() {
if (!this.div) {
return;
}
this.div.hidden = true;
}
show() {
if (!this.div || this.annotationEditorLayer.isEmpty) {
return;
}
this.div.hidden = false;
}
}
exports.AnnotationEditorLayerBuilder = AnnotationEditorLayerBuilder;
/***/
},
/* 33 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.AnnotationLayerBuilder = void 0;
var _pdfjsLib = __webpack_require__(4);
var _l10n_utils = __webpack_require__(30);
var _ui_utils = __webpack_require__(3);
class AnnotationLayerBuilder {
#numAnnotations = 0;
#onPresentationModeChanged = null;
constructor({
pageDiv,
pdfPage,
linkService,
downloadManager,
annotationStorage = null,
imageResourcesPath = "",
renderForms = true,
l10n = _l10n_utils.NullL10n,
enableScripting = false,
hasJSActionsPromise = null,
fieldObjectsPromise = null,
annotationCanvasMap = null,
accessibilityManager = null,
}) {
this.pageDiv = pageDiv;
this.pdfPage = pdfPage;
this.linkService = linkService;
this.downloadManager = downloadManager;
this.imageResourcesPath = imageResourcesPath;
this.renderForms = renderForms;
this.l10n = l10n;
this.annotationStorage = annotationStorage;
this.enableScripting = enableScripting;
this._hasJSActionsPromise =
hasJSActionsPromise || Promise.resolve(false);
this._fieldObjectsPromise =
fieldObjectsPromise || Promise.resolve(null);
this._annotationCanvasMap = annotationCanvasMap;
this._accessibilityManager = accessibilityManager;
this.div = null;
this._cancelled = false;
this._eventBus = linkService.eventBus;
}
async render(viewport, intent = "display") {
if (this.div) {
if (this._cancelled || this.#numAnnotations === 0) {
return;
}
_pdfjsLib.AnnotationLayer.update({
viewport: viewport.clone({
dontFlip: true,
}),
div: this.div,
annotationCanvasMap: this._annotationCanvasMap,
});
return;
}
const [annotations, hasJSActions, fieldObjects] = await Promise.all([
this.pdfPage.getAnnotations({
intent,
}),
this._hasJSActionsPromise,
this._fieldObjectsPromise,
]);
if (this._cancelled) {
return;
}
this.#numAnnotations = annotations.length;
this.div = document.createElement("div");
this.div.className = "annotationLayer";
this.pageDiv.append(this.div);
if (this.#numAnnotations === 0) {
this.hide();
return;
}
_pdfjsLib.AnnotationLayer.render({
viewport: viewport.clone({
dontFlip: true,
}),
div: this.div,
annotations,
page: this.pdfPage,
imageResourcesPath: this.imageResourcesPath,
renderForms: this.renderForms,
linkService: this.linkService,
downloadManager: this.downloadManager,
annotationStorage: this.annotationStorage,
enableScripting: this.enableScripting,
hasJSActions,
fieldObjects,
annotationCanvasMap: this._annotationCanvasMap,
accessibilityManager: this._accessibilityManager,
});
this.l10n.translate(this.div);
if (this.linkService.isInPresentationMode) {
this.#updatePresentationModeState(
_ui_utils.PresentationModeState.FULLSCREEN
);
}
if (!this.#onPresentationModeChanged) {
this.#onPresentationModeChanged = (evt) => {
this.#updatePresentationModeState(evt.state);
};
this._eventBus?._on(
"presentationmodechanged",
this.#onPresentationModeChanged
);
}
}
cancel() {
this._cancelled = true;
if (this.#onPresentationModeChanged) {
this._eventBus?._off(
"presentationmodechanged",
this.#onPresentationModeChanged
);
this.#onPresentationModeChanged = null;
}
}
hide() {
if (!this.div) {
return;
}
this.div.hidden = true;
}
#updatePresentationModeState(state) {
if (!this.div) {
return;
}
let disableFormElements = false;
switch (state) {
case _ui_utils.PresentationModeState.FULLSCREEN:
disableFormElements = true;
break;
case _ui_utils.PresentationModeState.NORMAL:
break;
default:
return;
}
for (const section of this.div.childNodes) {
if (section.hasAttribute("data-internal-link")) {
continue;
}
section.inert = disableFormElements;
}
}
}
exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
/***/
},
/* 34 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.StructTreeLayerBuilder = void 0;
const PDF_ROLE_TO_HTML_ROLE = {
Document: null,
DocumentFragment: null,
Part: "group",
Sect: "group",
Div: "group",
Aside: "note",
NonStruct: "none",
P: null,
H: "heading",
Title: null,
FENote: "note",
Sub: "group",
Lbl: null,
Span: null,
Em: null,
Strong: null,
Link: "link",
Annot: "note",
Form: "form",
Ruby: null,
RB: null,
RT: null,
RP: null,
Warichu: null,
WT: null,
WP: null,
L: "list",
LI: "listitem",
LBody: null,
Table: "table",
TR: "row",
TH: "columnheader",
TD: "cell",
THead: "columnheader",
TBody: null,
TFoot: null,
Caption: null,
Figure: "figure",
Formula: null,
Artifact: null,
};
const HEADING_PATTERN = /^H(\d+)$/;
class StructTreeLayerBuilder {
#treeDom = undefined;
get renderingDone() {
return this.#treeDom !== undefined;
}
render(structTree) {
if (this.#treeDom !== undefined) {
return this.#treeDom;
}
const treeDom = this.#walk(structTree);
treeDom?.classList.add("structTree");
return (this.#treeDom = treeDom);
}
hide() {
if (this.#treeDom && !this.#treeDom.hidden) {
this.#treeDom.hidden = true;
}
}
show() {
if (this.#treeDom?.hidden) {
this.#treeDom.hidden = false;
}
}
#setAttributes(structElement, htmlElement) {
if (structElement.alt !== undefined) {
htmlElement.setAttribute("aria-label", structElement.alt);
}
if (structElement.id !== undefined) {
htmlElement.setAttribute("aria-owns", structElement.id);
}
if (structElement.lang !== undefined) {
htmlElement.setAttribute("lang", structElement.lang);
}
}
#walk(node) {
if (!node) {
return null;
}
const element = document.createElement("span");
if ("role" in node) {
const { role } = node;
const match = role.match(HEADING_PATTERN);
if (match) {
element.setAttribute("role", "heading");
element.setAttribute("aria-level", match[1]);
} else if (PDF_ROLE_TO_HTML_ROLE[role]) {
element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]);
}
}
this.#setAttributes(node, element);
if (node.children) {
if (node.children.length === 1 && "id" in node.children[0]) {
this.#setAttributes(node.children[0], element);
} else {
for (const kid of node.children) {
element.append(this.#walk(kid));
}
}
}
return element;
}
}
exports.StructTreeLayerBuilder = StructTreeLayerBuilder;
/***/
},
/* 35 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.TextAccessibilityManager = void 0;
var _ui_utils = __webpack_require__(3);
class TextAccessibilityManager {
#enabled = false;
#textChildren = null;
#textNodes = new Map();
#waitingElements = new Map();
setTextMapping(textDivs) {
this.#textChildren = textDivs;
}
static #compareElementPositions(e1, e2) {
const rect1 = e1.getBoundingClientRect();
const rect2 = e2.getBoundingClientRect();
if (rect1.width === 0 && rect1.height === 0) {
return +1;
}
if (rect2.width === 0 && rect2.height === 0) {
return -1;
}
const top1 = rect1.y;
const bot1 = rect1.y + rect1.height;
const mid1 = rect1.y + rect1.height / 2;
const top2 = rect2.y;
const bot2 = rect2.y + rect2.height;
const mid2 = rect2.y + rect2.height / 2;
if (mid1 <= top2 && mid2 >= bot1) {
return -1;
}
if (mid2 <= top1 && mid1 >= bot2) {
return +1;
}
const centerX1 = rect1.x + rect1.width / 2;
const centerX2 = rect2.x + rect2.width / 2;
return centerX1 - centerX2;
}
enable() {
if (this.#enabled) {
throw new Error("TextAccessibilityManager is already enabled.");
}
if (!this.#textChildren) {
throw new Error("Text divs and strings have not been set.");
}
this.#enabled = true;
this.#textChildren = this.#textChildren.slice();
this.#textChildren.sort(
TextAccessibilityManager.#compareElementPositions
);
if (this.#textNodes.size > 0) {
const textChildren = this.#textChildren;
for (const [id, nodeIndex] of this.#textNodes) {
const element = document.getElementById(id);
if (!element) {
this.#textNodes.delete(id);
continue;
}
this.#addIdToAriaOwns(id, textChildren[nodeIndex]);
}
}
for (const [element, isRemovable] of this.#waitingElements) {
this.addPointerInTextLayer(element, isRemovable);
}
this.#waitingElements.clear();
}
disable() {
if (!this.#enabled) {
return;
}
this.#waitingElements.clear();
this.#textChildren = null;
this.#enabled = false;
}
removePointerInTextLayer(element) {
if (!this.#enabled) {
this.#waitingElements.delete(element);
return;
}
const children = this.#textChildren;
if (!children || children.length === 0) {
return;
}
const { id } = element;
const nodeIndex = this.#textNodes.get(id);
if (nodeIndex === undefined) {
return;
}
const node = children[nodeIndex];
this.#textNodes.delete(id);
let owns = node.getAttribute("aria-owns");
if (owns?.includes(id)) {
owns = owns
.split(" ")
.filter((x) => x !== id)
.join(" ");
if (owns) {
node.setAttribute("aria-owns", owns);
} else {
node.removeAttribute("aria-owns");
node.setAttribute("role", "presentation");
}
}
}
#addIdToAriaOwns(id, node) {
const owns = node.getAttribute("aria-owns");
if (!owns?.includes(id)) {
node.setAttribute("aria-owns", owns ? `${owns} ${id}` : id);
}
node.removeAttribute("role");
}
addPointerInTextLayer(element, isRemovable) {
const { id } = element;
if (!id) {
return;
}
if (!this.#enabled) {
this.#waitingElements.set(element, isRemovable);
return;
}
if (isRemovable) {
this.removePointerInTextLayer(element);
}
const children = this.#textChildren;
if (!children || children.length === 0) {
return;
}
const index = (0, _ui_utils.binarySearchFirstItem)(
children,
(node) =>
TextAccessibilityManager.#compareElementPositions(element, node) <
0
);
const nodeIndex = Math.max(0, index - 1);
this.#addIdToAriaOwns(id, children[nodeIndex]);
this.#textNodes.set(id, nodeIndex);
}
moveElementInDOM(container, element, contentElement, isRemovable) {
this.addPointerInTextLayer(contentElement, isRemovable);
if (!container.hasChildNodes()) {
container.append(element);
return;
}
const children = Array.from(container.childNodes).filter(
(node) => node !== element
);
if (children.length === 0) {
return;
}
const elementToCompare = contentElement || element;
const index = (0, _ui_utils.binarySearchFirstItem)(
children,
(node) =>
TextAccessibilityManager.#compareElementPositions(
elementToCompare,
node
) < 0
);
if (index === 0) {
children[0].before(element);
} else {
children[index - 1].after(element);
}
}
}
exports.TextAccessibilityManager = TextAccessibilityManager;
/***/
},
/* 36 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.TextHighlighter = void 0;
class TextHighlighter {
constructor({ findController, eventBus, pageIndex }) {
this.findController = findController;
this.matches = [];
this.eventBus = eventBus;
this.pageIdx = pageIndex;
this._onUpdateTextLayerMatches = null;
this.textDivs = null;
this.textContentItemsStr = null;
this.enabled = false;
}
setTextMapping(divs, texts) {
this.textDivs = divs;
this.textContentItemsStr = texts;
}
enable() {
if (!this.textDivs || !this.textContentItemsStr) {
throw new Error("Text divs and strings have not been set.");
}
if (this.enabled) {
throw new Error("TextHighlighter is already enabled.");
}
this.enabled = true;
if (!this._onUpdateTextLayerMatches) {
this._onUpdateTextLayerMatches = (evt) => {
if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
this._updateMatches();
}
};
this.eventBus._on(
"updatetextlayermatches",
this._onUpdateTextLayerMatches
);
}
this._updateMatches();
}
disable() {
if (!this.enabled) {
return;
}
this.enabled = false;
if (this._onUpdateTextLayerMatches) {
this.eventBus._off(
"updatetextlayermatches",
this._onUpdateTextLayerMatches
);
this._onUpdateTextLayerMatches = null;
}
this._updateMatches(true);
}
_convertMatches(matches, matchesLength) {
if (!matches) {
return [];
}
const { textContentItemsStr } = this;
let i = 0,
iIndex = 0;
const end = textContentItemsStr.length - 1;
const result = [];
for (let m = 0, mm = matches.length; m < mm; m++) {
let matchIdx = matches[m];
while (
i !== end &&
matchIdx >= iIndex + textContentItemsStr[i].length
) {
iIndex += textContentItemsStr[i].length;
i++;
}
if (i === textContentItemsStr.length) {
console.error("Could not find a matching mapping");
}
const match = {
begin: {
divIdx: i,
offset: matchIdx - iIndex,
},
};
matchIdx += matchesLength[m];
while (
i !== end &&
matchIdx > iIndex + textContentItemsStr[i].length
) {
iIndex += textContentItemsStr[i].length;
i++;
}
match.end = {
divIdx: i,
offset: matchIdx - iIndex,
};
result.push(match);
}
return result;
}
_renderMatches(matches) {
if (matches.length === 0) {
return;
}
const { findController, pageIdx } = this;
const { textContentItemsStr, textDivs } = this;
const isSelectedPage = pageIdx === findController.selected.pageIdx;
const selectedMatchIdx = findController.selected.matchIdx;
const highlightAll = findController.state.highlightAll;
let prevEnd = null;
const infinity = {
divIdx: -1,
offset: undefined,
};
function beginText(begin, className) {
const divIdx = begin.divIdx;
textDivs[divIdx].textContent = "";
return appendTextToDiv(divIdx, 0, begin.offset, className);
}
function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
let div = textDivs[divIdx];
if (div.nodeType === Node.TEXT_NODE) {
const span = document.createElement("span");
div.before(span);
span.append(div);
textDivs[divIdx] = span;
div = span;
}
const content = textContentItemsStr[divIdx].substring(
fromOffset,
toOffset
);
const node = document.createTextNode(content);
if (className) {
const span = document.createElement("span");
span.className = `${className} appended`;
span.append(node);
div.append(span);
return className.includes("selected") ? span.offsetLeft : 0;
}
div.append(node);
return 0;
}
let i0 = selectedMatchIdx,
i1 = i0 + 1;
if (highlightAll) {
i0 = 0;
i1 = matches.length;
} else if (!isSelectedPage) {
return;
}
for (let i = i0; i < i1; i++) {
const match = matches[i];
const begin = match.begin;
const end = match.end;
const isSelected = isSelectedPage && i === selectedMatchIdx;
const highlightSuffix = isSelected ? " selected" : "";
let selectedLeft = 0;
if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
if (prevEnd !== null) {
appendTextToDiv(
prevEnd.divIdx,
prevEnd.offset,
infinity.offset
);
}
beginText(begin);
} else {
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
}
if (begin.divIdx === end.divIdx) {
selectedLeft = appendTextToDiv(
begin.divIdx,
begin.offset,
end.offset,
"highlight" + highlightSuffix
);
} else {
selectedLeft = appendTextToDiv(
begin.divIdx,
begin.offset,
infinity.offset,
"highlight begin" + highlightSuffix
);
for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
textDivs[n0].className = "highlight middle" + highlightSuffix;
}
beginText(end, "highlight end" + highlightSuffix);
}
prevEnd = end;
if (isSelected) {
findController.scrollMatchIntoView({
element: textDivs[begin.divIdx],
selectedLeft,
pageIndex: pageIdx,
matchIndex: selectedMatchIdx,
});
}
}
if (prevEnd) {
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
}
}
_updateMatches(reset = false) {
if (!this.enabled && !reset) {
return;
}
const { findController, matches, pageIdx } = this;
const { textContentItemsStr, textDivs } = this;
let clearedUntilDivIdx = -1;
for (const match of matches) {
const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
for (let n = begin, end = match.end.divIdx; n <= end; n++) {
const div = textDivs[n];
div.textContent = textContentItemsStr[n];
div.className = "";
}
clearedUntilDivIdx = match.end.divIdx + 1;
}
if (!findController?.highlightMatches || reset) {
return;
}
const pageMatches = findController.pageMatches[pageIdx] || null;
const pageMatchesLength =
findController.pageMatchesLength[pageIdx] || null;
this.matches = this._convertMatches(pageMatches, pageMatchesLength);
this._renderMatches(this.matches);
}
}
exports.TextHighlighter = TextHighlighter;
/***/
},
/* 37 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.TextLayerBuilder = void 0;
var _pdfjsLib = __webpack_require__(4);
class TextLayerBuilder {
#rotation = 0;
#scale = 0;
#textContentSource = null;
constructor({
highlighter = null,
accessibilityManager = null,
isOffscreenCanvasSupported = true,
}) {
this.textContentItemsStr = [];
this.renderingDone = false;
this.textDivs = [];
this.textDivProperties = new WeakMap();
this.textLayerRenderTask = null;
this.highlighter = highlighter;
this.accessibilityManager = accessibilityManager;
this.isOffscreenCanvasSupported = isOffscreenCanvasSupported;
this.div = document.createElement("div");
this.div.className = "textLayer";
this.hide();
}
#finishRendering() {
this.renderingDone = true;
const endOfContent = document.createElement("div");
endOfContent.className = "endOfContent";
this.div.append(endOfContent);
this.#bindMouse();
}
get numTextDivs() {
return this.textDivs.length;
}
async render(viewport) {
if (!this.#textContentSource) {
throw new Error('No "textContentSource" parameter specified.');
}
const scale = viewport.scale * (globalThis.devicePixelRatio || 1);
const { rotation } = viewport;
if (this.renderingDone) {
const mustRotate = rotation !== this.#rotation;
const mustRescale = scale !== this.#scale;
if (mustRotate || mustRescale) {
this.hide();
(0, _pdfjsLib.updateTextLayer)({
container: this.div,
viewport,
textDivs: this.textDivs,
textDivProperties: this.textDivProperties,
isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
mustRescale,
mustRotate,
});
this.#scale = scale;
this.#rotation = rotation;
}
this.show();
return;
}
this.cancel();
this.highlighter?.setTextMapping(
this.textDivs,
this.textContentItemsStr
);
this.accessibilityManager?.setTextMapping(this.textDivs);
this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
textContentSource: this.#textContentSource,
container: this.div,
viewport,
textDivs: this.textDivs,
textDivProperties: this.textDivProperties,
textContentItemsStr: this.textContentItemsStr,
isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
});
await this.textLayerRenderTask.promise;
this.#finishRendering();
this.#scale = scale;
this.#rotation = rotation;
this.show();
this.accessibilityManager?.enable();
}
hide() {
if (!this.div.hidden) {
this.highlighter?.disable();
this.div.hidden = true;
}
}
show() {
if (this.div.hidden && this.renderingDone) {
this.div.hidden = false;
this.highlighter?.enable();
}
}
cancel() {
if (this.textLayerRenderTask) {
this.textLayerRenderTask.cancel();
this.textLayerRenderTask = null;
}
this.highlighter?.disable();
this.accessibilityManager?.disable();
this.textContentItemsStr.length = 0;
this.textDivs.length = 0;
this.textDivProperties = new WeakMap();
}
setTextContentSource(source) {
this.cancel();
this.#textContentSource = source;
}
#bindMouse() {
const { div } = this;
div.addEventListener("mousedown", (evt) => {
const end = div.querySelector(".endOfContent");
if (!end) {
return;
}
let adjustTop = evt.target !== div;
adjustTop &&=
getComputedStyle(end).getPropertyValue("-moz-user-select") !==
"none";
if (adjustTop) {
const divBounds = div.getBoundingClientRect();
const r = Math.max(
0,
(evt.pageY - divBounds.top) / divBounds.height
);
end.style.top = (r * 100).toFixed(2) + "%";
}
end.classList.add("active");
});
div.addEventListener("mouseup", () => {
const end = div.querySelector(".endOfContent");
if (!end) {
return;
}
end.style.top = "";
end.classList.remove("active");
});
}
}
exports.TextLayerBuilder = TextLayerBuilder;
/***/
},
/* 38 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.XfaLayerBuilder = void 0;
var _pdfjsLib = __webpack_require__(4);
class XfaLayerBuilder {
constructor({
pageDiv,
pdfPage,
annotationStorage = null,
linkService,
xfaHtml = null,
}) {
this.pageDiv = pageDiv;
this.pdfPage = pdfPage;
this.annotationStorage = annotationStorage;
this.linkService = linkService;
this.xfaHtml = xfaHtml;
this.div = null;
this._cancelled = false;
}
async render(viewport, intent = "display") {
if (intent === "print") {
const parameters = {
viewport: viewport.clone({
dontFlip: true,
}),
div: this.div,
xfaHtml: this.xfaHtml,
annotationStorage: this.annotationStorage,
linkService: this.linkService,
intent,
};
const div = document.createElement("div");
this.pageDiv.append(div);
parameters.div = div;
return _pdfjsLib.XfaLayer.render(parameters);
}
const xfaHtml = await this.pdfPage.getXfa();
if (this._cancelled || !xfaHtml) {
return {
textDivs: [],
};
}
const parameters = {
viewport: viewport.clone({
dontFlip: true,
}),
div: this.div,
xfaHtml,
annotationStorage: this.annotationStorage,
linkService: this.linkService,
intent,
};
if (this.div) {
return _pdfjsLib.XfaLayer.update(parameters);
}
this.div = document.createElement("div");
this.pageDiv.append(this.div);
parameters.div = this.div;
return _pdfjsLib.XfaLayer.render(parameters);
}
cancel() {
this._cancelled = true;
}
hide() {
if (!this.div) {
return;
}
this.div.hidden = true;
}
}
exports.XfaLayerBuilder = XfaLayerBuilder;
/***/
},
/* 39 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.SecondaryToolbar = void 0;
var _ui_utils = __webpack_require__(3);
var _pdf_viewer = __webpack_require__(29);
class SecondaryToolbar {
constructor(options, eventBus, externalServices) {
this.toolbar = options.toolbar;
this.toggleButton = options.toggleButton;
this.buttons = [
{
element: options.presentationModeButton,
eventName: "presentationmode",
close: true,
},
{
element: options.printButton,
eventName: "print",
close: true,
},
{
element: options.downloadButton,
eventName: "download",
close: true,
},
{
element: options.viewBookmarkButton,
eventName: null,
close: true,
},
{
element: options.firstPageButton,
eventName: "firstpage",
close: true,
},
{
element: options.lastPageButton,
eventName: "lastpage",
close: true,
},
{
element: options.pageRotateCwButton,
eventName: "rotatecw",
close: false,
},
{
element: options.pageRotateCcwButton,
eventName: "rotateccw",
close: false,
},
{
element: options.cursorSelectToolButton,
eventName: "switchcursortool",
eventDetails: {
tool: _ui_utils.CursorTool.SELECT,
},
close: true,
},
{
element: options.cursorHandToolButton,
eventName: "switchcursortool",
eventDetails: {
tool: _ui_utils.CursorTool.HAND,
},
close: true,
},
{
element: options.scrollPageButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.PAGE,
},
close: true,
},
{
element: options.scrollVerticalButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.VERTICAL,
},
close: true,
},
{
element: options.scrollHorizontalButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.HORIZONTAL,
},
close: true,
},
{
element: options.scrollWrappedButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.WRAPPED,
},
close: true,
},
{
element: options.spreadNoneButton,
eventName: "switchspreadmode",
eventDetails: {
mode: _ui_utils.SpreadMode.NONE,
},
close: true,
},
{
element: options.spreadOddButton,
eventName: "switchspreadmode",
eventDetails: {
mode: _ui_utils.SpreadMode.ODD,
},
close: true,
},
{
element: options.spreadEvenButton,
eventName: "switchspreadmode",
eventDetails: {
mode: _ui_utils.SpreadMode.EVEN,
},
close: true,
},
{
element: options.documentPropertiesButton,
eventName: "documentproperties",
close: true,
},
];
this.buttons.push({
element: options.openFileButton,
eventName: "openfile",
close: true,
});
this.items = {
firstPage: options.firstPageButton,
lastPage: options.lastPageButton,
pageRotateCw: options.pageRotateCwButton,
pageRotateCcw: options.pageRotateCcwButton,
};
this.eventBus = eventBus;
this.externalServices = externalServices;
this.opened = false;
this.#bindClickListeners();
this.#bindCursorToolsListener(options);
this.#bindScrollModeListener(options);
this.#bindSpreadModeListener(options);
this.reset();
}
get isOpen() {
return this.opened;
}
setPageNumber(pageNumber) {
this.pageNumber = pageNumber;
this.#updateUIState();
}
setPagesCount(pagesCount) {
this.pagesCount = pagesCount;
this.#updateUIState();
}
reset() {
this.pageNumber = 0;
this.pagesCount = 0;
this.#updateUIState();
this.eventBus.dispatch("secondarytoolbarreset", {
source: this,
});
}
#updateUIState() {
this.items.firstPage.disabled = this.pageNumber <= 1;
this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
this.items.pageRotateCw.disabled = this.pagesCount === 0;
this.items.pageRotateCcw.disabled = this.pagesCount === 0;
}
#bindClickListeners() {
this.toggleButton.addEventListener("click", this.toggle.bind(this));
for (const { element, eventName, close, eventDetails } of this
.buttons) {
element.addEventListener("click", (evt) => {
if (eventName !== null) {
const details = {
source: this,
};
for (const property in eventDetails) {
details[property] = eventDetails[property];
}
this.eventBus.dispatch(eventName, details);
}
if (close) {
this.close();
}
this.externalServices.reportTelemetry({
type: "buttons",
data: {
id: element.id,
},
});
});
}
}
#bindCursorToolsListener({
cursorSelectToolButton,
cursorHandToolButton,
}) {
this.eventBus._on("cursortoolchanged", function ({ tool }) {
const isSelect = tool === _ui_utils.CursorTool.SELECT,
isHand = tool === _ui_utils.CursorTool.HAND;
cursorSelectToolButton.classList.toggle("toggled", isSelect);
cursorHandToolButton.classList.toggle("toggled", isHand);
cursorSelectToolButton.setAttribute("aria-checked", isSelect);
cursorHandToolButton.setAttribute("aria-checked", isHand);
});
}
#bindScrollModeListener({
scrollPageButton,
scrollVerticalButton,
scrollHorizontalButton,
scrollWrappedButton,
spreadNoneButton,
spreadOddButton,
spreadEvenButton,
}) {
const scrollModeChanged = ({ mode }) => {
const isPage = mode === _ui_utils.ScrollMode.PAGE,
isVertical = mode === _ui_utils.ScrollMode.VERTICAL,
isHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL,
isWrapped = mode === _ui_utils.ScrollMode.WRAPPED;
scrollPageButton.classList.toggle("toggled", isPage);
scrollVerticalButton.classList.toggle("toggled", isVertical);
scrollHorizontalButton.classList.toggle("toggled", isHorizontal);
scrollWrappedButton.classList.toggle("toggled", isWrapped);
scrollPageButton.setAttribute("aria-checked", isPage);
scrollVerticalButton.setAttribute("aria-checked", isVertical);
scrollHorizontalButton.setAttribute("aria-checked", isHorizontal);
scrollWrappedButton.setAttribute("aria-checked", isWrapped);
const forceScrollModePage =
this.pagesCount >
_pdf_viewer.PagesCountLimit.FORCE_SCROLL_MODE_PAGE;
scrollPageButton.disabled = forceScrollModePage;
scrollVerticalButton.disabled = forceScrollModePage;
scrollHorizontalButton.disabled = forceScrollModePage;
scrollWrappedButton.disabled = forceScrollModePage;
spreadNoneButton.disabled = isHorizontal;
spreadOddButton.disabled = isHorizontal;
spreadEvenButton.disabled = isHorizontal;
};
this.eventBus._on("scrollmodechanged", scrollModeChanged);
this.eventBus._on("secondarytoolbarreset", (evt) => {
if (evt.source === this) {
scrollModeChanged({
mode: _ui_utils.ScrollMode.VERTICAL,
});
}
});
}
#bindSpreadModeListener({
spreadNoneButton,
spreadOddButton,
spreadEvenButton,
}) {
function spreadModeChanged({ mode }) {
const isNone = mode === _ui_utils.SpreadMode.NONE,
isOdd = mode === _ui_utils.SpreadMode.ODD,
isEven = mode === _ui_utils.SpreadMode.EVEN;
spreadNoneButton.classList.toggle("toggled", isNone);
spreadOddButton.classList.toggle("toggled", isOdd);
spreadEvenButton.classList.toggle("toggled", isEven);
spreadNoneButton.setAttribute("aria-checked", isNone);
spreadOddButton.setAttribute("aria-checked", isOdd);
spreadEvenButton.setAttribute("aria-checked", isEven);
}
this.eventBus._on("spreadmodechanged", spreadModeChanged);
this.eventBus._on("secondarytoolbarreset", (evt) => {
if (evt.source === this) {
spreadModeChanged({
mode: _ui_utils.SpreadMode.NONE,
});
}
});
}
open() {
if (this.opened) {
return;
}
this.opened = true;
this.toggleButton.classList.add("toggled");
this.toggleButton.setAttribute("aria-expanded", "true");
this.toolbar.classList.remove("hidden");
}
close() {
if (!this.opened) {
return;
}
this.opened = false;
this.toolbar.classList.add("hidden");
this.toggleButton.classList.remove("toggled");
this.toggleButton.setAttribute("aria-expanded", "false");
}
toggle() {
if (this.opened) {
this.close();
} else {
this.open();
}
}
}
exports.SecondaryToolbar = SecondaryToolbar;
/***/
},
/* 40 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.Toolbar = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
const PAGE_NUMBER_LOADING_INDICATOR = "visiblePageIsLoading";
class Toolbar {
#wasLocalized = false;
constructor(options, eventBus, l10n) {
this.toolbar = options.container;
this.eventBus = eventBus;
this.l10n = l10n;
this.buttons = [
{
element: options.previous,
eventName: "previouspage",
},
{
element: options.next,
eventName: "nextpage",
},
{
element: options.zoomIn,
eventName: "zoomin",
},
{
element: options.zoomOut,
eventName: "zoomout",
},
{
element: options.print,
eventName: "print",
},
{
element: options.download,
eventName: "download",
},
{
element: options.editorFreeTextButton,
eventName: "switchannotationeditormode",
eventDetails: {
get mode() {
const { classList } = options.editorFreeTextButton;
return classList.contains("toggled")
? _pdfjsLib.AnnotationEditorType.NONE
: _pdfjsLib.AnnotationEditorType.FREETEXT;
},
},
},
{
element: options.editorInkButton,
eventName: "switchannotationeditormode",
eventDetails: {
get mode() {
const { classList } = options.editorInkButton;
return classList.contains("toggled")
? _pdfjsLib.AnnotationEditorType.NONE
: _pdfjsLib.AnnotationEditorType.INK;
},
},
},
];
this.buttons.push({
element: options.openFile,
eventName: "openfile",
});
this.items = {
numPages: options.numPages,
pageNumber: options.pageNumber,
scaleSelect: options.scaleSelect,
customScaleOption: options.customScaleOption,
previous: options.previous,
next: options.next,
zoomIn: options.zoomIn,
zoomOut: options.zoomOut,
};
this.#bindListeners(options);
this.reset();
}
setPageNumber(pageNumber, pageLabel) {
this.pageNumber = pageNumber;
this.pageLabel = pageLabel;
this.#updateUIState(false);
}
setPagesCount(pagesCount, hasPageLabels) {
this.pagesCount = pagesCount;
this.hasPageLabels = hasPageLabels;
this.#updateUIState(true);
}
setPageScale(pageScaleValue, pageScale) {
this.pageScaleValue = (pageScaleValue || pageScale).toString();
this.pageScale = pageScale;
this.#updateUIState(false);
}
reset() {
this.pageNumber = 0;
this.pageLabel = null;
this.hasPageLabels = false;
this.pagesCount = 0;
this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
this.pageScale = _ui_utils.DEFAULT_SCALE;
this.#updateUIState(true);
this.updateLoadingIndicatorState();
this.eventBus.dispatch("toolbarreset", {
source: this,
});
}
#bindListeners(options) {
const { pageNumber, scaleSelect } = this.items;
const self = this;
for (const { element, eventName, eventDetails } of this.buttons) {
element.addEventListener("click", (evt) => {
if (eventName !== null) {
const details = {
source: this,
};
if (eventDetails) {
for (const property in eventDetails) {
details[property] = eventDetails[property];
}
}
this.eventBus.dispatch(eventName, details);
}
});
}
pageNumber.addEventListener("click", function () {
this.select();
});
pageNumber.addEventListener("change", function () {
self.eventBus.dispatch("pagenumberchanged", {
source: self,
value: this.value,
});
});
scaleSelect.addEventListener("change", function () {
if (this.value === "custom") {
return;
}
self.eventBus.dispatch("scalechanged", {
source: self,
value: this.value,
});
});
scaleSelect.addEventListener("click", function (evt) {
const target = evt.target;
if (
this.value === self.pageScaleValue &&
target.tagName.toUpperCase() === "OPTION"
) {
this.blur();
}
});
scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
this.eventBus._on("localized", () => {
this.#wasLocalized = true;
this.#adjustScaleWidth();
this.#updateUIState(true);
});
this.#bindEditorToolsListener(options);
}
#bindEditorToolsListener({
editorFreeTextButton,
editorFreeTextParamsToolbar,
editorInkButton,
editorInkParamsToolbar,
}) {
const editorModeChanged = (evt, disableButtons = false) => {
const editorButtons = [
{
mode: _pdfjsLib.AnnotationEditorType.FREETEXT,
button: editorFreeTextButton,
toolbar: editorFreeTextParamsToolbar,
},
{
mode: _pdfjsLib.AnnotationEditorType.INK,
button: editorInkButton,
toolbar: editorInkParamsToolbar,
},
];
for (const { mode, button, toolbar } of editorButtons) {
const checked = mode === evt.mode;
button.classList.toggle("toggled", checked);
button.setAttribute("aria-checked", checked);
button.disabled = disableButtons;
toolbar?.classList.toggle("hidden", !checked);
}
};
this.eventBus._on("annotationeditormodechanged", editorModeChanged);
this.eventBus._on("toolbarreset", (evt) => {
if (evt.source === this) {
editorModeChanged(
{
mode: _pdfjsLib.AnnotationEditorType.NONE,
},
true
);
}
});
}
#updateUIState(resetNumPages = false) {
if (!this.#wasLocalized) {
return;
}
const { pageNumber, pagesCount, pageScaleValue, pageScale, items } =
this;
if (resetNumPages) {
if (this.hasPageLabels) {
items.pageNumber.type = "text";
} else {
items.pageNumber.type = "number";
this.l10n
.get("of_pages", {
pagesCount,
})
.then((msg) => {
items.numPages.textContent = msg;
});
}
items.pageNumber.max = pagesCount;
}
if (this.hasPageLabels) {
items.pageNumber.value = this.pageLabel;
this.l10n
.get("page_of_pages", {
pageNumber,
pagesCount,
})
.then((msg) => {
items.numPages.textContent = msg;
});
} else {
items.pageNumber.value = pageNumber;
}
items.previous.disabled = pageNumber <= 1;
items.next.disabled = pageNumber >= pagesCount;
items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE;
items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
this.l10n
.get("page_scale_percent", {
scale: Math.round(pageScale * 10000) / 100,
})
.then((msg) => {
let predefinedValueFound = false;
for (const option of items.scaleSelect.options) {
if (option.value !== pageScaleValue) {
option.selected = false;
continue;
}
option.selected = true;
predefinedValueFound = true;
}
if (!predefinedValueFound) {
items.customScaleOption.textContent = msg;
items.customScaleOption.selected = true;
}
});
}
updateLoadingIndicatorState(loading = false) {
const { pageNumber } = this.items;
pageNumber.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
}
async #adjustScaleWidth() {
const { items, l10n } = this;
const predefinedValuesPromise = Promise.all([
l10n.get("page_scale_auto"),
l10n.get("page_scale_actual"),
l10n.get("page_scale_fit"),
l10n.get("page_scale_width"),
]);
await _ui_utils.animationStarted;
const style = getComputedStyle(items.scaleSelect);
const scaleSelectWidth = parseFloat(
style.getPropertyValue("--scale-select-width")
);
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d", {
alpha: false,
});
ctx.font = `${style.fontSize} ${style.fontFamily}`;
let maxWidth = 0;
for (const predefinedValue of await predefinedValuesPromise) {
const { width } = ctx.measureText(predefinedValue);
if (width > maxWidth) {
maxWidth = width;
}
}
maxWidth += 0.3 * scaleSelectWidth;
if (maxWidth > scaleSelectWidth) {
const container = items.scaleSelect.parentNode;
container.style.setProperty(
"--scale-select-width",
`${maxWidth}px`
);
}
canvas.width = 0;
canvas.height = 0;
}
}
exports.Toolbar = Toolbar;
/***/
},
/* 41 */
/***/ (__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.ViewHistory = void 0;
const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
class ViewHistory {
constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) {
this.fingerprint = fingerprint;
this.cacheSize = cacheSize;
this._initializedPromise = this._readFromStorage().then(
(databaseStr) => {
const database = JSON.parse(databaseStr || "{}");
let index = -1;
if (!Array.isArray(database.files)) {
database.files = [];
} else {
while (database.files.length >= this.cacheSize) {
database.files.shift();
}
for (let i = 0, ii = database.files.length; i < ii; i++) {
const branch = database.files[i];
if (branch.fingerprint === this.fingerprint) {
index = i;
break;
}
}
}
if (index === -1) {
index =
database.files.push({
fingerprint: this.fingerprint,
}) - 1;
}
this.file = database.files[index];
this.database = database;
}
);
}
async _writeToStorage() {
const databaseStr = JSON.stringify(this.database);
localStorage.setItem("pdfjs.history", databaseStr);
}
async _readFromStorage() {
return localStorage.getItem("pdfjs.history");
}
async set(name, val) {
await this._initializedPromise;
this.file[name] = val;
return this._writeToStorage();
}
async setMultiple(properties) {
await this._initializedPromise;
for (const name in properties) {
this.file[name] = properties[name];
}
return this._writeToStorage();
}
async get(name, defaultValue) {
await this._initializedPromise;
const val = this.file[name];
return val !== undefined ? val : defaultValue;
}
async getMultiple(properties) {
await this._initializedPromise;
const values = Object.create(null);
for (const name in properties) {
const val = this.file[name];
values[name] = val !== undefined ? val : properties[name];
}
return values;
}
}
exports.ViewHistory = ViewHistory;
/***/
},
/* 42 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.BasePreferences = void 0;
var _app_options = __webpack_require__(5);
class BasePreferences {
#defaults = Object.freeze({
annotationEditorMode: 0,
annotationMode: 2,
cursorToolOnLoad: 0,
defaultZoomDelay: 400,
defaultZoomValue: "",
disablePageLabels: false,
enablePermissions: false,
enablePrintAutoRotate: true,
enableScripting: true,
externalLinkTarget: 0,
historyUpdateUrl: false,
ignoreDestinationZoom: false,
forcePageColors: false,
pageColorsBackground: "Canvas",
pageColorsForeground: "CanvasText",
pdfBugEnabled: false,
sidebarViewOnLoad: -1,
scrollModeOnLoad: -1,
spreadModeOnLoad: -1,
textLayerMode: 1,
useOnlyCssZoom: false,
viewerCssTheme: 0,
viewOnLoad: 0,
disableAutoFetch: false,
disableFontFace: false,
disableRange: false,
disableStream: false,
enableXfa: true,
renderer: "canvas",
});
#prefs = Object.create(null);
#initializedPromise = null;
constructor() {
if (this.constructor === BasePreferences) {
throw new Error("Cannot initialize BasePreferences.");
}
this.#initializedPromise = this._readFromStorage(this.#defaults).then(
(prefs) => {
for (const name in this.#defaults) {
const prefValue = prefs?.[name];
if (typeof prefValue === typeof this.#defaults[name]) {
this.#prefs[name] = prefValue;
}
}
}
);
}
async _writeToStorage(prefObj) {
throw new Error("Not implemented: _writeToStorage");
}
async _readFromStorage(prefObj) {
throw new Error("Not implemented: _readFromStorage");
}
async reset() {
await this.#initializedPromise;
const prefs = this.#prefs;
this.#prefs = Object.create(null);
return this._writeToStorage(this.#defaults).catch((reason) => {
this.#prefs = prefs;
throw reason;
});
}
async set(name, value) {
await this.#initializedPromise;
const defaultValue = this.#defaults[name],
prefs = this.#prefs;
if (defaultValue === undefined) {
throw new Error(`Set preference: "${name}" is undefined.`);
} else if (value === undefined) {
throw new Error("Set preference: no value is specified.");
}
const valueType = typeof value,
defaultType = typeof defaultValue;
if (valueType !== defaultType) {
if (valueType === "number" && defaultType === "string") {
value = value.toString();
} else {
throw new Error(
`Set preference: "${value}" is a ${valueType}, expected a ${defaultType}.`
);
}
} else {
if (valueType === "number" && !Number.isInteger(value)) {
throw new Error(`Set preference: "${value}" must be an integer.`);
}
}
this.#prefs[name] = value;
return this._writeToStorage(this.#prefs).catch((reason) => {
this.#prefs = prefs;
throw reason;
});
}
async get(name) {
await this.#initializedPromise;
const defaultValue = this.#defaults[name];
if (defaultValue === undefined) {
throw new Error(`Get preference: "${name}" is undefined.`);
}
return this.#prefs[name] ?? defaultValue;
}
async getAll() {
await this.#initializedPromise;
const obj = Object.create(null);
for (const name in this.#defaults) {
obj[name] = this.#prefs[name] ?? this.#defaults[name];
}
return obj;
}
}
exports.BasePreferences = BasePreferences;
/***/
},
/* 43 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.DownloadManager = void 0;
var _pdfjsLib = __webpack_require__(4);
function download(blobUrl, filename) {
const a = document.createElement("a");
if (!a.click) {
throw new Error('DownloadManager: "a.click()" is not supported.');
}
a.href = blobUrl;
a.target = "_parent";
if ("download" in a) {
a.download = filename;
}
(document.body || document.documentElement).append(a);
a.click();
a.remove();
}
class DownloadManager {
#openBlobUrls = new WeakMap();
downloadUrl(url, filename) {
if (
!(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")
) {
console.error(`downloadUrl - not a valid URL: ${url}`);
return;
}
download(url + "#pdfjs.action=download", filename);
}
downloadData(data, filename, contentType) {
const blobUrl = URL.createObjectURL(
new Blob([data], {
type: contentType,
})
);
download(blobUrl, filename);
}
openOrDownloadData(element, data, filename) {
const isPdfData = (0, _pdfjsLib.isPdfFile)(filename);
const contentType = isPdfData ? "application/pdf" : "";
if (isPdfData) {
let blobUrl = this.#openBlobUrls.get(element);
if (!blobUrl) {
blobUrl = URL.createObjectURL(
new Blob([data], {
type: contentType,
})
);
this.#openBlobUrls.set(element, blobUrl);
}
let viewerUrl;
viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
try {
window.open(viewerUrl);
return true;
} catch (ex) {
console.error(`openOrDownloadData: ${ex}`);
URL.revokeObjectURL(blobUrl);
this.#openBlobUrls.delete(element);
}
}
this.downloadData(data, filename, contentType);
return false;
}
download(blob, url, filename) {
const blobUrl = URL.createObjectURL(blob);
download(blobUrl, filename);
}
}
exports.DownloadManager = DownloadManager;
/***/
},
/* 44 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.GenericL10n = void 0;
__webpack_require__(45);
var _l10n_utils = __webpack_require__(30);
const webL10n = document.webL10n;
class GenericL10n {
constructor(lang) {
this._lang = lang;
this._ready = new Promise((resolve, reject) => {
webL10n.setLanguage((0, _l10n_utils.fixupLangCode)(lang), () => {
resolve(webL10n);
});
});
}
async getLanguage() {
const l10n = await this._ready;
return l10n.getLanguage();
}
async getDirection() {
const l10n = await this._ready;
return l10n.getDirection();
}
async get(
key,
args = null,
fallback = (0, _l10n_utils.getL10nFallback)(key, args)
) {
const l10n = await this._ready;
return l10n.get(key, args, fallback);
}
async translate(element) {
const l10n = await this._ready;
return l10n.translate(element);
}
}
exports.GenericL10n = GenericL10n;
/***/
},
/* 45 */
/***/ () => {
document.webL10n = (function (window, document, undefined) {
var gL10nData = {};
var gTextData = "";
var gTextProp = "textContent";
var gLanguage = "";
var gMacros = {};
var gReadyState = "loading";
var gAsyncResourceLoading = true;
function getL10nResourceLinks() {
return document.querySelectorAll('link[type="application/l10n"]');
}
function getL10nDictionary() {
var script = document.querySelector(
'script[type="application/l10n"]'
);
return script ? JSON.parse(script.innerHTML) : null;
}
function getTranslatableChildren(element) {
return element ? element.querySelectorAll("*[data-l10n-id]") : [];
}
function getL10nAttributes(element) {
if (!element) return {};
var l10nId = element.getAttribute("data-l10n-id");
var l10nArgs = element.getAttribute("data-l10n-args");
var args = {};
if (l10nArgs) {
try {
args = JSON.parse(l10nArgs);
} catch (e) {
console.warn("could not parse arguments for #" + l10nId);
}
}
return {
id: l10nId,
args: args,
};
}
function xhrLoadText(url, onSuccess, onFailure) {
onSuccess = onSuccess || function _onSuccess(data) { };
onFailure = onFailure || function _onFailure() { };
var xhr = new XMLHttpRequest();
xhr.open("GET", url, gAsyncResourceLoading);
if (xhr.overrideMimeType) {
xhr.overrideMimeType("text/plain; charset=utf-8");
}
xhr.onreadystatechange = function () {
if (xhr.readyState == 4) {
if (xhr.status == 200 || xhr.status === 0) {
onSuccess(xhr.responseText);
} else {
onFailure();
}
}
};
xhr.onerror = onFailure;
xhr.ontimeout = onFailure;
try {
xhr.send(null);
} catch (e) {
onFailure();
}
}
function parseResource(href, lang, successCallback, failureCallback) {
var baseURL = href.replace(/[^\/]*$/, "") || "./";
function evalString(text) {
if (text.lastIndexOf("\\") < 0) return text;
return text
.replace(/\\\\/g, "\\")
.replace(/\\n/g, "\n")
.replace(/\\r/g, "\r")
.replace(/\\t/g, "\t")
.replace(/\\b/g, "\b")
.replace(/\\f/g, "\f")
.replace(/\\{/g, "{")
.replace(/\\}/g, "}")
.replace(/\\"/g, '"')
.replace(/\\'/g, "'");
}
function parseProperties(text, parsedPropertiesCallback) {
var dictionary = {};
var reBlank = /^\s*|\s*$/;
var reComment = /^\s*#|^\s*$/;
var reSection = /^\s*\[(.*)\]\s*$/;
var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
function parseRawLines(
rawText,
extendedSyntax,
parsedRawLinesCallback
) {
var entries = rawText.replace(reBlank, "").split(/[\r\n]+/);
var currentLang = "*";
var genericLang = lang.split("-", 1)[0];
var skipLang = false;
var match = "";
function nextEntry() {
while (true) {
if (!entries.length) {
parsedRawLinesCallback();
return;
}
var line = entries.shift();
if (reComment.test(line)) continue;
if (extendedSyntax) {
match = reSection.exec(line);
if (match) {
currentLang = match[1].toLowerCase();
skipLang =
currentLang !== "*" &&
currentLang !== lang &&
currentLang !== genericLang;
continue;
} else if (skipLang) {
continue;
}
match = reImport.exec(line);
if (match) {
loadImport(baseURL + match[1], nextEntry);
return;
}
}
var tmp = line.match(reSplit);
if (tmp && tmp.length == 3) {
dictionary[tmp[1]] = evalString(tmp[2]);
}
}
}
nextEntry();
}
function loadImport(url, callback) {
xhrLoadText(
url,
function (content) {
parseRawLines(content, false, callback);
},
function () {
console.warn(url + " not found.");
callback();
}
);
}
parseRawLines(text, true, function () {
parsedPropertiesCallback(dictionary);
});
}
xhrLoadText(
href,
function (response) {
gTextData += response;
parseProperties(response, function (data) {
for (var key in data) {
var id,
prop,
index = key.lastIndexOf(".");
if (index > 0) {
id = key.substring(0, index);
prop = key.substring(index + 1);
} else {
id = key;
prop = gTextProp;
}
if (!gL10nData[id]) {
gL10nData[id] = {};
}
gL10nData[id][prop] = data[key];
}
if (successCallback) {
successCallback();
}
});
},
failureCallback
);
}
function loadLocale(lang, callback) {
if (lang) {
lang = lang.toLowerCase();
}
callback = callback || function _callback() { };
clear();
gLanguage = lang;
var langLinks = getL10nResourceLinks();
var langCount = langLinks.length;
if (langCount === 0) {
var dict = getL10nDictionary();
if (dict && dict.locales && dict.default_locale) {
console.log("using the embedded JSON directory, early way out");
gL10nData = dict.locales[lang];
if (!gL10nData) {
var defaultLocale = dict.default_locale.toLowerCase();
for (var anyCaseLang in dict.locales) {
anyCaseLang = anyCaseLang.toLowerCase();
if (anyCaseLang === lang) {
gL10nData = dict.locales[lang];
break;
} else if (anyCaseLang === defaultLocale) {
gL10nData = dict.locales[defaultLocale];
}
}
}
callback();
} else {
console.log("no resource to load, early way out");
}
gReadyState = "complete";
return;
}
var onResourceLoaded = null;
var gResourceCount = 0;
onResourceLoaded = function () {
gResourceCount++;
if (gResourceCount >= langCount) {
callback();
gReadyState = "complete";
}
};
function L10nResourceLink(link) {
var href = link.href;
this.load = function (lang, callback) {
parseResource(href, lang, callback, function () {
console.warn(href + " not found.");
console.warn('"' + lang + '" resource not found');
gLanguage = "";
callback();
});
};
}
for (var i = 0; i < langCount; i++) {
var resource = new L10nResourceLink(langLinks[i]);
resource.load(lang, onResourceLoaded);
}
}
function clear() {
gL10nData = {};
gTextData = "";
gLanguage = "";
}
function getPluralRules(lang) {
var locales2rules = {
af: 3,
ak: 4,
am: 4,
ar: 1,
asa: 3,
az: 0,
be: 11,
bem: 3,
bez: 3,
bg: 3,
bh: 4,
bm: 0,
bn: 3,
bo: 0,
br: 20,
brx: 3,
bs: 11,
ca: 3,
cgg: 3,
chr: 3,
cs: 12,
cy: 17,
da: 3,
de: 3,
dv: 3,
dz: 0,
ee: 3,
el: 3,
en: 3,
eo: 3,
es: 3,
et: 3,
eu: 3,
fa: 0,
ff: 5,
fi: 3,
fil: 4,
fo: 3,
fr: 5,
fur: 3,
fy: 3,
ga: 8,
gd: 24,
gl: 3,
gsw: 3,
gu: 3,
guw: 4,
gv: 23,
ha: 3,
haw: 3,
he: 2,
hi: 4,
hr: 11,
hu: 0,
id: 0,
ig: 0,
ii: 0,
is: 3,
it: 3,
iu: 7,
ja: 0,
jmc: 3,
jv: 0,
ka: 0,
kab: 5,
kaj: 3,
kcg: 3,
kde: 0,
kea: 0,
kk: 3,
kl: 3,
km: 0,
kn: 0,
ko: 0,
ksb: 3,
ksh: 21,
ku: 3,
kw: 7,
lag: 18,
lb: 3,
lg: 3,
ln: 4,
lo: 0,
lt: 10,
lv: 6,
mas: 3,
mg: 4,
mk: 16,
ml: 3,
mn: 3,
mo: 9,
mr: 3,
ms: 0,
mt: 15,
my: 0,
nah: 3,
naq: 7,
nb: 3,
nd: 3,
ne: 3,
nl: 3,
nn: 3,
no: 3,
nr: 3,
nso: 4,
ny: 3,
nyn: 3,
om: 3,
or: 3,
pa: 3,
pap: 3,
pl: 13,
ps: 3,
pt: 3,
rm: 3,
ro: 9,
rof: 3,
ru: 11,
rwk: 3,
sah: 0,
saq: 3,
se: 7,
seh: 3,
ses: 0,
sg: 0,
sh: 11,
shi: 19,
sk: 12,
sl: 14,
sma: 7,
smi: 7,
smj: 7,
smn: 7,
sms: 7,
sn: 3,
so: 3,
sq: 3,
sr: 11,
ss: 3,
ssy: 3,
st: 3,
sv: 3,
sw: 3,
syr: 3,
ta: 3,
te: 3,
teo: 3,
th: 0,
ti: 4,
tig: 3,
tk: 3,
tl: 4,
tn: 3,
to: 0,
tr: 0,
ts: 3,
tzm: 22,
uk: 11,
ur: 3,
ve: 3,
vi: 0,
vun: 3,
wa: 4,
wae: 3,
wo: 0,
xh: 3,
xog: 3,
yo: 0,
zh: 0,
zu: 3,
};
function isIn(n, list) {
return list.indexOf(n) !== -1;
}
function isBetween(n, start, end) {
return start <= n && n <= end;
}
var pluralRules = {
0: function (n) {
return "other";
},
1: function (n) {
if (isBetween(n % 100, 3, 10)) return "few";
if (n === 0) return "zero";
if (isBetween(n % 100, 11, 99)) return "many";
if (n == 2) return "two";
if (n == 1) return "one";
return "other";
},
2: function (n) {
if (n !== 0 && n % 10 === 0) return "many";
if (n == 2) return "two";
if (n == 1) return "one";
return "other";
},
3: function (n) {
if (n == 1) return "one";
return "other";
},
4: function (n) {
if (isBetween(n, 0, 1)) return "one";
return "other";
},
5: function (n) {
if (isBetween(n, 0, 2) && n != 2) return "one";
return "other";
},
6: function (n) {
if (n === 0) return "zero";
if (n % 10 == 1 && n % 100 != 11) return "one";
return "other";
},
7: function (n) {
if (n == 2) return "two";
if (n == 1) return "one";
return "other";
},
8: function (n) {
if (isBetween(n, 3, 6)) return "few";
if (isBetween(n, 7, 10)) return "many";
if (n == 2) return "two";
if (n == 1) return "one";
return "other";
},
9: function (n) {
if (n === 0 || (n != 1 && isBetween(n % 100, 1, 19)))
return "few";
if (n == 1) return "one";
return "other";
},
10: function (n) {
if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19))
return "few";
if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return "one";
return "other";
},
11: function (n) {
if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14))
return "few";
if (
n % 10 === 0 ||
isBetween(n % 10, 5, 9) ||
isBetween(n % 100, 11, 14)
)
return "many";
if (n % 10 == 1 && n % 100 != 11) return "one";
return "other";
},
12: function (n) {
if (isBetween(n, 2, 4)) return "few";
if (n == 1) return "one";
return "other";
},
13: function (n) {
if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14))
return "few";
if (
(n != 1 && isBetween(n % 10, 0, 1)) ||
isBetween(n % 10, 5, 9) ||
isBetween(n % 100, 12, 14)
)
return "many";
if (n == 1) return "one";
return "other";
},
14: function (n) {
if (isBetween(n % 100, 3, 4)) return "few";
if (n % 100 == 2) return "two";
if (n % 100 == 1) return "one";
return "other";
},
15: function (n) {
if (n === 0 || isBetween(n % 100, 2, 10)) return "few";
if (isBetween(n % 100, 11, 19)) return "many";
if (n == 1) return "one";
return "other";
},
16: function (n) {
if (n % 10 == 1 && n != 11) return "one";
return "other";
},
17: function (n) {
if (n == 3) return "few";
if (n === 0) return "zero";
if (n == 6) return "many";
if (n == 2) return "two";
if (n == 1) return "one";
return "other";
},
18: function (n) {
if (n === 0) return "zero";
if (isBetween(n, 0, 2) && n !== 0 && n != 2) return "one";
return "other";
},
19: function (n) {
if (isBetween(n, 2, 10)) return "few";
if (isBetween(n, 0, 1)) return "one";
return "other";
},
20: function (n) {
if (
(isBetween(n % 10, 3, 4) || n % 10 == 9) &&
!(
isBetween(n % 100, 10, 19) ||
isBetween(n % 100, 70, 79) ||
isBetween(n % 100, 90, 99)
)
)
return "few";
if (n % 1000000 === 0 && n !== 0) return "many";
if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return "two";
if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return "one";
return "other";
},
21: function (n) {
if (n === 0) return "zero";
if (n == 1) return "one";
return "other";
},
22: function (n) {
if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return "one";
return "other";
},
23: function (n) {
if (isBetween(n % 10, 1, 2) || n % 20 === 0) return "one";
return "other";
},
24: function (n) {
if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return "few";
if (isIn(n, [2, 12])) return "two";
if (isIn(n, [1, 11])) return "one";
return "other";
},
};
var index = locales2rules[lang.replace(/-.*$/, "")];
if (!(index in pluralRules)) {
console.warn("plural form unknown for [" + lang + "]");
return function () {
return "other";
};
}
return pluralRules[index];
}
gMacros.plural = function (str, param, key, prop) {
var n = parseFloat(param);
if (isNaN(n)) return str;
if (prop != gTextProp) return str;
if (!gMacros._pluralRules) {
gMacros._pluralRules = getPluralRules(gLanguage);
}
var index = "[" + gMacros._pluralRules(n) + "]";
if (n === 0 && key + "[zero]" in gL10nData) {
str = gL10nData[key + "[zero]"][prop];
} else if (n == 1 && key + "[one]" in gL10nData) {
str = gL10nData[key + "[one]"][prop];
} else if (n == 2 && key + "[two]" in gL10nData) {
str = gL10nData[key + "[two]"][prop];
} else if (key + index in gL10nData) {
str = gL10nData[key + index][prop];
} else if (key + "[other]" in gL10nData) {
str = gL10nData[key + "[other]"][prop];
}
return str;
};
function getL10nData(key, args, fallback) {
var data = gL10nData[key];
if (!data) {
console.warn("#" + key + " is undefined.");
if (!fallback) {
return null;
}
data = fallback;
}
var rv = {};
for (var prop in data) {
var str = data[prop];
str = substIndexes(str, args, key, prop);
str = substArguments(str, args, key);
rv[prop] = str;
}
return rv;
}
function substIndexes(str, args, key, prop) {
var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
var reMatch = reIndex.exec(str);
if (!reMatch || !reMatch.length) return str;
var macroName = reMatch[1];
var paramName = reMatch[2];
var param;
if (args && paramName in args) {
param = args[paramName];
} else if (paramName in gL10nData) {
param = gL10nData[paramName];
}
if (macroName in gMacros) {
var macro = gMacros[macroName];
str = macro(str, param, key, prop);
}
return str;
}
function substArguments(str, args, key) {
var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
return str.replace(reArgs, function (matched_text, arg) {
if (args && arg in args) {
return args[arg];
}
if (arg in gL10nData) {
return gL10nData[arg];
}
console.log(
"argument {{" + arg + "}} for #" + key + " is undefined."
);
return matched_text;
});
}
function translateElement(element) {
var l10n = getL10nAttributes(element);
if (!l10n.id) return;
var data = getL10nData(l10n.id, l10n.args);
if (!data) {
console.warn("#" + l10n.id + " is undefined.");
return;
}
if (data[gTextProp]) {
if (getChildElementCount(element) === 0) {
element[gTextProp] = data[gTextProp];
} else {
var children = element.childNodes;
var found = false;
for (var i = 0, l = children.length; i < l; i++) {
if (
children[i].nodeType === 3 &&
/\S/.test(children[i].nodeValue)
) {
if (found) {
children[i].nodeValue = "";
} else {
children[i].nodeValue = data[gTextProp];
found = true;
}
}
}
if (!found) {
var textNode = document.createTextNode(data[gTextProp]);
element.prepend(textNode);
}
}
delete data[gTextProp];
}
for (var k in data) {
element[k] = data[k];
}
}
function getChildElementCount(element) {
if (element.children) {
return element.children.length;
}
if (typeof element.childElementCount !== "undefined") {
return element.childElementCount;
}
var count = 0;
for (var i = 0; i < element.childNodes.length; i++) {
count += element.nodeType === 1 ? 1 : 0;
}
return count;
}
function translateFragment(element) {
element = element || document.documentElement;
var children = getTranslatableChildren(element);
var elementCount = children.length;
for (var i = 0; i < elementCount; i++) {
translateElement(children[i]);
}
translateElement(element);
}
return {
get: function (key, args, fallbackString) {
var index = key.lastIndexOf(".");
var prop = gTextProp;
if (index > 0) {
prop = key.substring(index + 1);
key = key.substring(0, index);
}
var fallback;
if (fallbackString) {
fallback = {};
fallback[prop] = fallbackString;
}
var data = getL10nData(key, args, fallback);
if (data && prop in data) {
return data[prop];
}
return "{{" + key + "}}";
},
getData: function () {
return gL10nData;
},
getText: function () {
return gTextData;
},
getLanguage: function () {
return gLanguage;
},
setLanguage: function (lang, callback) {
loadLocale(lang, function () {
if (callback) callback();
});
},
getDirection: function () {
var rtlList = ["ar", "he", "fa", "ps", "ur"];
var shortCode = gLanguage.split("-", 1)[0];
return rtlList.indexOf(shortCode) >= 0 ? "rtl" : "ltr";
},
translate: translateFragment,
getReadyState: function () {
return gReadyState;
},
ready: function (callback) {
if (!callback) {
return;
} else if (
gReadyState == "complete" ||
gReadyState == "interactive"
) {
window.setTimeout(function () {
callback();
});
} else if (document.addEventListener) {
document.addEventListener("localized", function once() {
document.removeEventListener("localized", once);
callback();
});
}
},
};
})(window, document);
/***/
},
/* 46 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.GenericScripting = void 0;
exports.docPropertiesLookup = docPropertiesLookup;
var _pdfjsLib = __webpack_require__(4);
async function docPropertiesLookup(pdfDocument) {
const url = "",
baseUrl = url.split("#")[0];
let { info, metadata, contentDispositionFilename, contentLength } =
await pdfDocument.getMetadata();
if (!contentLength) {
const { length } = await pdfDocument.getDownloadInfo();
contentLength = length;
}
return {
...info,
baseURL: baseUrl,
filesize: contentLength,
filename:
contentDispositionFilename ||
(0, _pdfjsLib.getPdfFilenameFromUrl)(url),
metadata: metadata?.getRaw(),
authors: metadata?.get("dc:creator"),
numPages: pdfDocument.numPages,
URL: url,
};
}
class GenericScripting {
constructor(sandboxBundleSrc) {
this._ready = (0, _pdfjsLib.loadScript)(sandboxBundleSrc, true).then(
() => {
return window.pdfjsSandbox.QuickJSSandbox();
}
);
}
async createSandbox(data) {
const sandbox = await this._ready;
sandbox.create(data);
}
async dispatchEventInSandbox(event) {
const sandbox = await this._ready;
setTimeout(() => sandbox.dispatchEvent(event), 0);
}
async destroySandbox() {
const sandbox = await this._ready;
sandbox.nukeSandbox();
}
}
exports.GenericScripting = GenericScripting;
/***/
},
/* 47 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.PDFPrintService = PDFPrintService;
var _pdfjsLib = __webpack_require__(4);
var _app = __webpack_require__(2);
var _print_utils = __webpack_require__(48);
let activeService = null;
let dialog = null;
let overlayManager = null;
function renderPage(
activeServiceOnEntry,
pdfDocument,
pageNumber,
size,
printResolution,
optionalContentConfigPromise,
printAnnotationStoragePromise
) {
const scratchCanvas = activeService.scratchCanvas;
const PRINT_UNITS = printResolution / _pdfjsLib.PixelsPerInch.PDF;
scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
const ctx = scratchCanvas.getContext("2d");
ctx.save();
ctx.fillStyle = "rgb(255, 255, 255)";
ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
ctx.restore();
return Promise.all([
pdfDocument.getPage(pageNumber),
printAnnotationStoragePromise,
]).then(function ([pdfPage, printAnnotationStorage]) {
const renderContext = {
canvasContext: ctx,
transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
viewport: pdfPage.getViewport({
scale: 1,
rotation: size.rotation,
}),
intent: "print",
annotationMode: _pdfjsLib.AnnotationMode.ENABLE_STORAGE,
optionalContentConfigPromise,
printAnnotationStorage,
};
return pdfPage.render(renderContext).promise;
});
}
function PDFPrintService(
pdfDocument,
pagesOverview,
printContainer,
printResolution,
optionalContentConfigPromise = null,
printAnnotationStoragePromise = null,
l10n
) {
this.pdfDocument = pdfDocument;
this.pagesOverview = pagesOverview;
this.printContainer = printContainer;
this._printResolution = printResolution || 150;
this._optionalContentConfigPromise =
optionalContentConfigPromise ||
pdfDocument.getOptionalContentConfig();
this._printAnnotationStoragePromise =
printAnnotationStoragePromise || Promise.resolve();
this.l10n = l10n;
this.currentPage = -1;
this.scratchCanvas = document.createElement("canvas");
}
PDFPrintService.prototype = {
layout() {
this.throwIfInactive();
const body = document.querySelector("body");
body.setAttribute("data-pdfjsprinting", true);
const hasEqualPageSizes = this.pagesOverview.every(function (size) {
return (
size.width === this.pagesOverview[0].width &&
size.height === this.pagesOverview[0].height
);
}, this);
if (!hasEqualPageSizes) {
console.warn(
"Not all pages have the same size. The printed " +
"result may be incorrect!"
);
}
this.pageStyleSheet = document.createElement("style");
const pageSize = this.pagesOverview[0];
this.pageStyleSheet.textContent =
"@page { size: " +
pageSize.width +
"pt " +
pageSize.height +
"pt;}";
body.append(this.pageStyleSheet);
},
destroy() {
if (activeService !== this) {
return;
}
this.printContainer.textContent = "";
const body = document.querySelector("body");
body.removeAttribute("data-pdfjsprinting");
if (this.pageStyleSheet) {
this.pageStyleSheet.remove();
this.pageStyleSheet = null;
}
this.scratchCanvas.width = this.scratchCanvas.height = 0;
this.scratchCanvas = null;
activeService = null;
ensureOverlay().then(function () {
if (overlayManager.active === dialog) {
overlayManager.close(dialog);
}
});
},
renderPages() {
if (this.pdfDocument.isPureXfa) {
(0, _print_utils.getXfaHtmlForPrinting)(
this.printContainer,
this.pdfDocument
);
return Promise.resolve();
}
const pageCount = this.pagesOverview.length;
const renderNextPage = (resolve, reject) => {
this.throwIfInactive();
if (++this.currentPage >= pageCount) {
renderProgress(pageCount, pageCount, this.l10n);
resolve();
return;
}
const index = this.currentPage;
renderProgress(index, pageCount, this.l10n);
renderPage(
this,
this.pdfDocument,
index + 1,
this.pagesOverview[index],
this._printResolution,
this._optionalContentConfigPromise,
this._printAnnotationStoragePromise
)
.then(this.useRenderedPage.bind(this))
.then(function () {
renderNextPage(resolve, reject);
}, reject);
};
return new Promise(renderNextPage);
},
useRenderedPage() {
this.throwIfInactive();
const img = document.createElement("img");
const scratchCanvas = this.scratchCanvas;
if ("toBlob" in scratchCanvas) {
scratchCanvas.toBlob(function (blob) {
img.src = URL.createObjectURL(blob);
});
} else {
img.src = scratchCanvas.toDataURL();
}
const wrapper = document.createElement("div");
wrapper.className = "printedPage";
wrapper.append(img);
this.printContainer.append(wrapper);
return new Promise(function (resolve, reject) {
img.onload = resolve;
img.onerror = reject;
});
},
performPrint() {
this.throwIfInactive();
return new Promise((resolve) => {
setTimeout(() => {
if (!this.active) {
resolve();
return;
}
print.call(window);
setTimeout(resolve, 20);
}, 0);
});
},
get active() {
return this === activeService;
},
throwIfInactive() {
if (!this.active) {
throw new Error("This print request was cancelled or completed.");
}
},
};
const print = window.print;
window.print = function () {
if (activeService) {
console.warn(
"Ignored window.print() because of a pending print job."
);
return;
}
ensureOverlay().then(function () {
if (activeService) {
overlayManager.open(dialog);
}
});
try {
dispatchEvent("beforeprint");
} finally {
if (!activeService) {
console.error("Expected print service to be initialized.");
ensureOverlay().then(function () {
if (overlayManager.active === dialog) {
overlayManager.close(dialog);
}
});
return;
}
const activeServiceOnEntry = activeService;
activeService
.renderPages()
.then(function () {
return activeServiceOnEntry.performPrint();
})
.catch(function () { })
.then(function () {
if (activeServiceOnEntry.active) {
abort();
}
});
}
};
function dispatchEvent(eventType) {
const event = document.createEvent("CustomEvent");
event.initCustomEvent(eventType, false, false, "custom");
window.dispatchEvent(event);
}
function abort() {
if (activeService) {
activeService.destroy();
dispatchEvent("afterprint");
}
}
function renderProgress(index, total, l10n) {
dialog ||= document.getElementById("printServiceDialog");
const progress = Math.round((100 * index) / total);
const progressBar = dialog.querySelector("progress");
const progressPerc = dialog.querySelector(".relative-progress");
progressBar.value = progress;
l10n
.get("print_progress_percent", {
progress,
})
.then((msg) => {
progressPerc.textContent = msg;
});
}
window.addEventListener(
"keydown",
function (event) {
if (
event.keyCode === 80 &&
(event.ctrlKey || event.metaKey) &&
!event.altKey &&
(!event.shiftKey || window.chrome || window.opera)
) {
window.print();
event.preventDefault();
event.stopImmediatePropagation();
}
},
true
);
if ("onbeforeprint" in window) {
const stopPropagationIfNeeded = function (event) {
if (event.detail !== "custom") {
event.stopImmediatePropagation();
}
};
window.addEventListener("beforeprint", stopPropagationIfNeeded);
window.addEventListener("afterprint", stopPropagationIfNeeded);
}
let overlayPromise;
function ensureOverlay() {
if (!overlayPromise) {
overlayManager = _app.PDFViewerApplication.overlayManager;
if (!overlayManager) {
throw new Error(
"The overlay manager has not yet been initialized."
);
}
dialog ||= document.getElementById("printServiceDialog");
overlayPromise = overlayManager.register(dialog, true);
document.getElementById("printCancel").onclick = abort;
dialog.addEventListener("close", abort);
}
return overlayPromise;
}
_app.PDFPrintServiceFactory.instance = {
supportsPrinting: true,
createPrintService(
pdfDocument,
pagesOverview,
printContainer,
printResolution,
optionalContentConfigPromise,
printAnnotationStoragePromise,
l10n
) {
if (activeService) {
throw new Error("The print service is created and active.");
}
activeService = new PDFPrintService(
pdfDocument,
pagesOverview,
printContainer,
printResolution,
optionalContentConfigPromise,
printAnnotationStoragePromise,
l10n
);
return activeService;
},
};
/***/
},
/* 48 */
/***/ (__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", {
value: true,
});
exports.getXfaHtmlForPrinting = getXfaHtmlForPrinting;
var _pdfjsLib = __webpack_require__(4);
var _pdf_link_service = __webpack_require__(7);
var _xfa_layer_builder = __webpack_require__(38);
function getXfaHtmlForPrinting(printContainer, pdfDocument) {
const xfaHtml = pdfDocument.allXfaHtml;
const linkService = new _pdf_link_service.SimpleLinkService();
const scale =
Math.round(_pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100;
for (const xfaPage of xfaHtml.children) {
const page = document.createElement("div");
page.className = "xfaPrintedPage";
printContainer.append(page);
const builder = new _xfa_layer_builder.XfaLayerBuilder({
pageDiv: page,
pdfPage: null,
annotationStorage: pdfDocument.annotationStorage,
linkService,
xfaHtml: xfaPage,
});
const viewport = (0, _pdfjsLib.getXfaPageViewport)(xfaPage, {
scale,
});
builder.render(viewport, "print");
}
}
/***/
},
/******/
];
/************************************************************************/
/******/ // The module cache
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/
}
/******/ // Create a new module (and put it into the cache)
/******/ var module = (__webpack_module_cache__[moduleId] = {
/******/ // no module.id needed
/******/ // no module.loaded needed
/******/ exports: {},
/******/
});
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](
module,
module.exports,
__webpack_require__
);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/
}
/******/
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
(() => {
var exports = __webpack_exports__;
Object.defineProperty(exports, "__esModule", {
value: true,
});
Object.defineProperty(exports, "PDFViewerApplication", {
enumerable: true,
get: function () {
return _app.PDFViewerApplication;
},
});
exports.PDFViewerApplicationConstants = void 0;
Object.defineProperty(exports, "PDFViewerApplicationOptions", {
enumerable: true,
get: function () {
return _app_options.AppOptions;
},
});
__webpack_require__(1);
__webpack_require__(47);
var _ui_utils = __webpack_require__(3);
var _app_options = __webpack_require__(5);
var _pdf_link_service = __webpack_require__(7);
var _app = __webpack_require__(2);
const pdfjsVersion = "3.5.0";
const pdfjsBuild = "";
const AppConstants = {
LinkTarget: _pdf_link_service.LinkTarget,
RenderingStates: _ui_utils.RenderingStates,
ScrollMode: _ui_utils.ScrollMode,
SpreadMode: _ui_utils.SpreadMode,
};
exports.PDFViewerApplicationConstants = AppConstants;
window.PDFViewerApplication = _app.PDFViewerApplication;
window.PDFViewerApplicationConstants = AppConstants;
window.PDFViewerApplicationOptions = _app_options.AppOptions;
function getViewerConfiguration() {
return {
appContainer: document.body,
mainContainer: document.getElementById("viewerContainer"),
viewerContainer: document.getElementById("viewer"),
toolbar: {
container: document.getElementById("toolbarViewer"),
numPages: document.getElementById("numPages"),
pageNumber: document.getElementById("pageNumber"),
scaleSelect: document.getElementById("scaleSelect"),
customScaleOption: document.getElementById("customScaleOption"),
previous: document.getElementById("previous"),
next: document.getElementById("next"),
zoomIn: document.getElementById("zoomIn"),
zoomOut: document.getElementById("zoomOut"),
viewFind: document.getElementById("viewFind"),
openFile: document.getElementById("openFile"),
print: document.getElementById("print"),
editorFreeTextButton: document.getElementById("editorFreeText"),
editorFreeTextParamsToolbar: document.getElementById(
"editorFreeTextParamsToolbar"
),
editorInkButton: document.getElementById("editorInk"),
editorInkParamsToolbar: document.getElementById(
"editorInkParamsToolbar"
),
download: document.getElementById("download"),
},
secondaryToolbar: {
toolbar: document.getElementById("secondaryToolbar"),
toggleButton: document.getElementById("secondaryToolbarToggle"),
presentationModeButton: document.getElementById("presentationMode"),
openFileButton: document.getElementById("secondaryOpenFile"),
printButton: document.getElementById("secondaryPrint"),
downloadButton: document.getElementById("secondaryDownload"),
viewBookmarkButton: document.getElementById("viewBookmark"),
firstPageButton: document.getElementById("firstPage"),
lastPageButton: document.getElementById("lastPage"),
pageRotateCwButton: document.getElementById("pageRotateCw"),
pageRotateCcwButton: document.getElementById("pageRotateCcw"),
cursorSelectToolButton: document.getElementById("cursorSelectTool"),
cursorHandToolButton: document.getElementById("cursorHandTool"),
scrollPageButton: document.getElementById("scrollPage"),
scrollVerticalButton: document.getElementById("scrollVertical"),
scrollHorizontalButton: document.getElementById("scrollHorizontal"),
scrollWrappedButton: document.getElementById("scrollWrapped"),
spreadNoneButton: document.getElementById("spreadNone"),
spreadOddButton: document.getElementById("spreadOdd"),
spreadEvenButton: document.getElementById("spreadEven"),
documentPropertiesButton:
document.getElementById("documentProperties"),
},
sidebar: {
outerContainer: document.getElementById("outerContainer"),
sidebarContainer: document.getElementById("sidebarContainer"),
toggleButton: document.getElementById("sidebarToggle"),
thumbnailButton: document.getElementById("viewThumbnail"),
outlineButton: document.getElementById("viewOutline"),
attachmentsButton: document.getElementById("viewAttachments"),
layersButton: document.getElementById("viewLayers"),
thumbnailView: document.getElementById("thumbnailView"),
outlineView: document.getElementById("outlineView"),
attachmentsView: document.getElementById("attachmentsView"),
layersView: document.getElementById("layersView"),
outlineOptionsContainer: document.getElementById(
"outlineOptionsContainer"
),
currentOutlineItemButton:
document.getElementById("currentOutlineItem"),
},
sidebarResizer: {
outerContainer: document.getElementById("outerContainer"),
resizer: document.getElementById("sidebarResizer"),
},
findBar: {
bar: document.getElementById("findbar"),
toggleButton: document.getElementById("viewFind"),
findField: document.getElementById("findInput"),
highlightAllCheckbox: document.getElementById("findHighlightAll"),
caseSensitiveCheckbox: document.getElementById("findMatchCase"),
matchDiacriticsCheckbox: document.getElementById(
"findMatchDiacritics"
),
entireWordCheckbox: document.getElementById("findEntireWord"),
findMsg: document.getElementById("findMsg"),
findResultsCount: document.getElementById("findResultsCount"),
findPreviousButton: document.getElementById("findPrevious"),
findNextButton: document.getElementById("findNext"),
},
passwordOverlay: {
dialog: document.getElementById("passwordDialog"),
label: document.getElementById("passwordText"),
input: document.getElementById("password"),
submitButton: document.getElementById("passwordSubmit"),
cancelButton: document.getElementById("passwordCancel"),
},
documentProperties: {
dialog: document.getElementById("documentPropertiesDialog"),
closeButton: document.getElementById("documentPropertiesClose"),
fields: {
fileName: document.getElementById("fileNameField"),
fileSize: document.getElementById("fileSizeField"),
title: document.getElementById("titleField"),
author: document.getElementById("authorField"),
subject: document.getElementById("subjectField"),
keywords: document.getElementById("keywordsField"),
creationDate: document.getElementById("creationDateField"),
modificationDate: document.getElementById("modificationDateField"),
creator: document.getElementById("creatorField"),
producer: document.getElementById("producerField"),
version: document.getElementById("versionField"),
pageCount: document.getElementById("pageCountField"),
pageSize: document.getElementById("pageSizeField"),
linearized: document.getElementById("linearizedField"),
},
},
annotationEditorParams: {
editorFreeTextFontSize: document.getElementById(
"editorFreeTextFontSize"
),
editorFreeTextColor: document.getElementById("editorFreeTextColor"),
editorInkColor: document.getElementById("editorInkColor"),
editorInkThickness: document.getElementById("editorInkThickness"),
editorInkOpacity: document.getElementById("editorInkOpacity"),
},
printContainer: document.getElementById("printContainer"),
openFileInput: document.getElementById("fileInput"),
debuggerScriptPath: "./debugger.js",
};
}
function webViewerLoad() {
const config = getViewerConfiguration();
const event = document.createEvent("CustomEvent");
event.initCustomEvent("webviewerloaded", true, true, {
source: window,
});
try {
parent.document.dispatchEvent(event);
} catch (ex) {
console.error(`webviewerloaded: ${ex}`);
document.dispatchEvent(event);
}
_app.PDFViewerApplication.run(config);
}
document.blockUnblockOnload?.(true);
if (
document.readyState === "interactive" ||
document.readyState === "complete"
) {
webViewerLoad();
} else {
document.addEventListener("DOMContentLoaded", webViewerLoad, true);
}
})();
/******/
})();
//# sourceMappingURL=viewer.js.map
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