betterConsole.uc.js

betterConsole.uc.js

// ==UserScript==
// @name           betterConsole.uc.js
// @description    eval in [content, chrome, WrappedNative] window under the JS version [default, 1.6, 1.7, 1.8]
// @include        chrome://global/content/console.xul
// @compatibility  Firefox 3.6+
// @namespace      http://twitter.com/xulapp
// @author         xulapp
// @license        MIT License
// @version        2010/04/03 16:10 +09:00 細かなミスを修正。3.7a3 で動作確認
// ==/UserScript==
// @version        2010/03/30 19:10 +09:00 WrappedNative でのバージョン指定をサポート
// @version        2010/03/01 01:30 +09:00


(function betterConsole() {
	const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
	const XHTML_NS = 'http://www.w3.org/1999/xhtml';

	var toolbar_mode = $('ToolbarMode');
	var toolbar_eval = $('ToolbarEval');

	var typeGroup = $E(
		<radiogroup id="typeGroup" orient="horizontal">
			<radio id="BetterConsole:typeChrome" label="Chrome" value="Chrome" selected="true"/>
			<radio id="BetterConsole:typeContent" label="Content" value="Content"/>
			<radio id="BetterConsole:typeWrappedNative" label="WrappedNative" value="WrappedNative"/>
		</radiogroup>
	);

	var versionGroup = $E(
		<radiogroup id="versionGroup" orient="horizontal">
			<radio id="BetterConsole:versionDefault" label="default" value="" selected="true"/>
			<radio id="BetterConsole:version1.6" label="JS1.6" value="1.6"/>
			<radio id="BetterConsole:version1.7" label="JS1.7" value="1.7"/>
			<radio id="BetterConsole:version1.8" label="JS1.8" value="1.8"/>
		</radiogroup>
	);

	toolbar_mode.appendChild(typeGroup);
	toolbar_mode.appendChild(versionGroup);
	toolbar_mode.addEventListener('command', function() gTextBoxEval.focus(), false);

	toolbar_eval.insertBefore(
		$E(<toolbarbutton id="ButtonReset" label={U('クリア')} accesskey="c" oncommand="gTextBoxEval.value = ''"/>),
		$('ButtonEval').nextSibling
	);

	gEvaluator.removeEventListener('load', loadOrDisplayResult, true);
	evaluateTypein = function evaluateTypein() {
		var evaluateType = typeGroup.value;
		var evaluateVersion = versionGroup.value;
		var result;
		var win = evaluateType === 'Chrome'
			? gEvaluator.contentWindow
			: getActiveContentWindow();

		gCodeToEvaluate = gTextBoxEval.value;

		switch (evaluateType) {
		case 'Chrome':
		case 'Content':
			let doc = win.document;
			let script = doc.createElementNS(XHTML_NS, 'script');
			script.id = 'betterConsole_script';
			script.type = 'text/javascript' + (evaluateVersion ? ';version=' + evaluateVersion : '');
			script.textContent = '(function(result) result !== void 0 && document.getElementById("betterConsole_script").setAttribute("result", !result || result instanceof XML ? uneval(result) : result))(eval(' + uneval(gCodeToEvaluate) + '));';
			doc.documentElement.appendChild(script);

			result = script.getAttribute('result');
			script.parentNode.removeChild(script);
			if (!result) return;
			break;
		case 'WrappedNative':
			let sandbox = createSandbox(win);
			let args = [gCodeToEvaluate, sandbox];
			if (evaluateVersion)
				args.push(evaluateVersion);
			result = Cu.evalInSandbox.apply(Cu, args);
			if (result === void 0) return;
			if (!result || result instanceof XML)
				result = uneval(result);
			break;
		}

		log(result);
	};

	function createSandbox(win) {
		win = XPCNativeWrapper(win);
		var sandbox = Cu.Sandbox(win);
		sandbox.window = win;
		sandbox.document = win.document;
		sandbox.console = {
			log: log,
		};
		sandbox.__proto__ = win;
		return sandbox;
	}
	function log() {
		gConsole.mCService.logStringMessage(Array.join(arguments));
	}

	function U(text) 1 < 'あ'.length ? decodeURIComponent(escape(text)) : text;
	function $(id) document.getElementById(id);
	function $E(xml, doc) {
		doc = doc || document;
		xml = <root xmlns={doc.documentElement.namespaceURI}/>.appendChild(xml);
		var settings = XML.settings();
		XML.prettyPrinting = false;
		var root = new DOMParser().parseFromString(xml.toXMLString(), 'application/xml').documentElement;
		XML.setSettings(settings);
		doc.adoptNode(root);
		var range = doc.createRange();
		range.selectNodeContents(root);
		var frag = range.extractContents();
		range.detach();
		return frag.childNodes.length < 2 ? frag.firstChild : frag;
	}
	function getMostRecentWindow() {
		return Cc['@mozilla.org/appshell/window-mediator;1']
			.getService(Ci.nsIWindowMediator)
			.getMostRecentWindow('navigator:browser');
	}
	function getActiveContentWindow() {
		var win = getMostRecentWindow();
		var fw = win.document.commandDispatcher.focusedWindow;
		if (!fw || fw instanceof ChromeWindow)
			return win.content;
		return fw;
	}
})();