Created
September 18, 2010 23:02
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function saveImage(elem) {// I dont need prompt option | |
let doc = elem.ownerDocument; | |
let urlStr = window.makeURLAbsolute(elem.baseURI, elem.src); | |
let uri = makeURI(urlStr, null, null); | |
window.urlSecurityCheck(uri, doc.nodePrincipal); | |
// ?の除去(ファイル名に使えないから) | |
let tmp = elem.src.replace(/\?/g, ''); | |
let ext = tmp.match(/\/[^\/]+(\.[^.\/]+)$/); | |
// 拡張子の無いURLの場合 | |
if(ext == null){ | |
Application.console.log('can\'t download this file @ util.saveImageElem'); | |
return; | |
} | |
ext = ext[1]; | |
var leafname; // 拡張子つきファイル名 | |
if(!elem.alt || elem.alt.length > 24){ | |
leafname = elem.src.match(/\/([^\/]+\.[^.\/]+)$/); | |
if(leafname){ | |
leafname = leafname[1]; | |
}else{ | |
leafname = elem.src.match(/\/(.+)$/)[1] + '.jpg'; | |
} | |
if(leafname.length > 20){ | |
leafname = leafname.slice(-20); | |
} | |
}else{ | |
leafname = elem.alt.replace(/[:?\\\/*<>|"]/g, '') + ext; | |
} | |
let ar = []; | |
ar = leafname.match(/(.+)\.(.+?)$/); | |
leafname = ar[1] + (new Date()).valueOf() + '.' + ar[2]; | |
leafname = leafname.fromUTF8Octets(); | |
try { | |
var downloadManager = Cc["@mozilla.org/download-manager;1"] | |
.getService(Ci.nsIDownloadManager); | |
var persist = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"] | |
.createInstance(Ci.nsIWebBrowserPersist); | |
var file = downloadManager.defaultDownloadsDirectory; | |
file.appendRelativePath(leafname); | |
var fileuri = makeFileURI(file); | |
var download = downloadManager.addDownload(0, uri, fileuri, leafname, null, null, null, null, persist); | |
persist.progressListener = download; | |
persist.saveURI(uri, null, null, null, null, file); | |
} catch (e) { Application.console.log(e); } | |
} |
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このコードは「画像を保存するヒントモードを作った - vimpめも - vimperatorグループ(http://vimperator.g.hatena.ne.jp/blue_ring/20090420/1240243822)」を参考に書きました。HoKとの同居を前提としてます。
既存関数をちゃんと確認しておりませんので、すでに実装されているようなら教えていただけると幸いです。