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Yays! (Yet Another Youtube Script)

A lightweight and non-intrusive userscript that control video playback and set the preferred player size and playback quality on YouTube.

当前为 2015-01-11 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        Yays! (Yet Another Youtube Script)
  3. // @namespace   youtube
  4. // @description A lightweight and non-intrusive userscript that control video playback and set the preferred player size and playback quality on YouTube.
  5. // @version     1.14
  6. // @author      Eugene Nouvellieu <eugenox_gmail_com>
  7. // @license     MIT License
  8. // @include     http*://*.youtube.com/*
  9. // @include     http*://youtube.com/*
  10. // @run-at      document-end
  11. // @noframes
  12. // @grant       unsafeWindow
  13. // @grant       GM_deleteValue
  14. // @grant       GM_getValue
  15. // @grant       GM_setValue
  16. // @grant       GM_xmlhttpRequest
  17. // @homepageURL https://eugenox.appspot.com/script/yays
  18. // @icon        https://eugenox.appspot.com/blob/yays/yays.icon.png
  19. // ==/UserScript==
  20.  
  21. // Copyright (c) 2012-2015 Eugene Nouvellieu <eugenox_gmail_com>
  22. //
  23. // Permission is hereby granted, free of charge, to any person obtaining a copy of
  24. // this software and associated documentation files (the "Software"), to deal in
  25. // the Software without restriction, including without limitation the rights to
  26. // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  27. // the Software, and to permit persons to whom the Software is furnished to do so,
  28. // subject to the following conditions:
  29. //
  30. // The above copyright notice and this permission notice shall be included in all
  31. // copies or substantial portions of the Software.
  32. //
  33. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  34. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  35. // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  36. // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  37. // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  38. // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  39.  
  40. function YAYS(unsafeWindow) {
  41.  
  42. 'use strict';
  43.  
  44. /*
  45.  * Meta.
  46.  */
  47.  
  48. var Meta = {
  49. 	title:       'Yays! (Yet Another Youtube Script)',
  50. 	version:     '1.14',
  51. 	releasedate: 'Jan 11, 2015',
  52. 	site:        'https://eugenox.appspot.com/script/yays',
  53. 	ns:          'yays'
  54. };
  55.  
  56. /*
  57.  * Utility functions.
  58.  */
  59.  
  60. function each(iterable, callback, scope) {
  61. 	if ('length' in iterable) {
  62. 		for (var i = 0, len = iterable.length; i < len; ++i) {
  63. 			callback.call(scope, i, iterable[i]);
  64. 		}
  65. 	}
  66. 	else {
  67. 		for (var key in iterable) {
  68. 			if (iterable.hasOwnProperty(key)) {
  69. 				callback.call(scope, key, iterable[key]);
  70. 			}
  71. 		}
  72. 	}
  73. }
  74.  
  75. function map() {
  76. 	var
  77. 		args = Array.prototype.constructor.apply([], arguments),
  78. 		callback = args.shift() || bind(Array.prototype.constructor, []),
  79. 		results = [],
  80. 		i, len;
  81.  
  82. 	if (args.length > 1) {
  83. 		var getter = function(arg) { return arg[i]; };
  84. 		len = Math.max.apply(Math, map(function(arg) { return arg.length; }, args));
  85.  
  86. 		for (i = 0; i < len; ++i) {
  87. 			results.push(callback.apply(null, map(getter, args)));
  88. 		}
  89. 	}
  90. 	else {
  91. 		var arg = args[0];
  92. 		len = arg.length;
  93.  
  94. 		for (i = 0; i < len; ++i) {
  95. 			results.push(callback(arg[i]));
  96. 		}
  97. 	}
  98.  
  99. 	return results;
  100. }
  101.  
  102. function unique(values) {
  103. 	values.sort();
  104.  
  105. 	for (var i = 0, j; i < values.length; ) {
  106. 		j = i;
  107.  
  108. 		while (values[j] === values[j - 1]) {
  109. 			j++;
  110. 		}
  111.  
  112. 		if (j - i) {
  113. 			values.splice(i, j - i);
  114. 		}
  115. 		else {
  116. 			++i;
  117. 		}
  118. 	}
  119.  
  120. 	return values;
  121. }
  122.  
  123. function combine(keys, values) {
  124. 	var object = {};
  125.  
  126. 	map(function(key, value) { object[key] = value; }, keys, values);
  127.  
  128. 	return object;
  129. }
  130.  
  131. function merge(target, source, override) {
  132. 	override = override === undefined || override;
  133.  
  134. 	for (var key in source) {
  135. 		if (override || ! target.hasOwnProperty(key)) {
  136. 			target[key] = source[key];
  137. 		}
  138. 	}
  139.  
  140. 	return target;
  141. }
  142.  
  143. function extend(base, proto) {
  144. 	function T() {}
  145. 	T.prototype = base.prototype;
  146.  
  147. 	return merge(new T(), proto);
  148. }
  149.  
  150. function noop() {
  151. 	return;
  152. }
  153.  
  154. function bind(func, scope, args) {
  155. 	if (args && args.length > 0) {
  156. 		return func.bind.apply(func, [scope].concat(args));
  157. 	}
  158.  
  159. 	return func.bind(scope);
  160. }
  161.  
  162. function intercept(original, extension) {
  163. 	original = original || noop;
  164.  
  165. 	return function() {
  166. 		extension.apply(this, arguments);
  167.  
  168. 		return original.apply(this, arguments);
  169. 	};
  170. }
  171.  
  172. function asyncCall(func, scope, args) {
  173. 	window.setTimeout(bind(func, scope, args), 0);
  174. }
  175.  
  176. function asyncProxy(func) {
  177. 	return function() {
  178. 		asyncCall(func, this, Array.prototype.slice.call(arguments));
  179. 	};
  180. }
  181.  
  182. function buildURL(path, parameters) {
  183. 	var query = [];
  184. 	each(parameters, function(key, value) { query.push(key.concat('=', encodeURIComponent(value))); });
  185.  
  186. 	return path.concat('?', query.join('&'));
  187. }
  188.  
  189. function parseJSON(data) {
  190. 	if (typeof JSON != 'undefined') {
  191. 		return JSON.parse(data);
  192. 	}
  193.  
  194. 	return eval('(' + data + ')');
  195. }
  196.  
  197. /*
  198.  * Script context.
  199.  */
  200.  
  201. var Context = (function() {
  202. 	function BasicContext(context, namespace) {
  203. 		if (context) {
  204. 			this._scope = this._createNamespace(context._scope, namespace);
  205. 			this._ns = context._ns + '.' + namespace;
  206. 		}
  207. 		else {
  208. 			this._scope = unsafeWindow;
  209. 			this._ns = 'window';
  210. 		}
  211. 	}
  212.  
  213. 	BasicContext.prototype = {
  214. 		_scope: null,
  215. 		_ns: null,
  216.  
  217. 		_createNamespace: function(scope, name) {
  218. 			return scope[name] = {};
  219. 		},
  220.  
  221. 		protect: function(entity) {
  222. 			return entity;
  223. 		},
  224.  
  225. 		publish: function(name, entity) {
  226. 			this._scope[name] = this.protect(entity);
  227.  
  228. 			return this._ns + '.' + name;
  229. 		},
  230.  
  231. 		revoke: function(name) {
  232. 			delete this._scope[name];
  233. 		}
  234. 	};
  235.  
  236. 	var Context;
  237.  
  238. 	if (typeof exportFunction == 'function') {
  239. 		Context = function(context, namespace) {
  240. 			BasicContext.call(this, context, namespace);
  241. 		};
  242.  
  243. 		Context.prototype = extend(BasicContext, {
  244. 			_createNamespace: function(scope, name) {
  245. 				return createObjectIn(scope, {defineAs: name});
  246. 			},
  247.  
  248. 			protect: function(entity) {
  249. 				switch (typeof entity) {
  250. 					case 'function':
  251. 						return exportFunction(entity, this._scope);
  252.  
  253. 					case 'object':
  254. 						return cloneInto(entity, this._scope);
  255. 				}
  256. 			}
  257. 		});
  258. 	}
  259. 	else {
  260. 		Context = BasicContext;
  261. 	}
  262.  
  263. 	return Context;
  264. })();
  265.  
  266. var
  267. 	pageContext = new Context(),
  268. 	scriptContext = new Context(pageContext, Meta.ns);
  269.  
  270. /*
  271.  * Console singleton.
  272.  */
  273.  
  274. var Console = {
  275. 	debug: function() {
  276. 		unsafeWindow.console.debug('[' + Meta.ns + ']' + Array.prototype.join.call(arguments, ' '));
  277. 	}
  278. };
  279.  
  280. /*
  281.  * DOM Helper singleton.
  282.  */
  283.  
  284. var DH = {
  285. 	ELEMENT_NODE: 1,
  286.  
  287. 	build: function(def) {
  288. 		switch (Object.prototype.toString.call(def)) {
  289. 			case '[object Object]':
  290. 				var node = this.createElement(def.tag || 'div');
  291.  
  292. 				if ('style' in def) {
  293. 					this.style(node, def.style);
  294. 				}
  295.  
  296. 				if ('attributes' in def) {
  297. 					this.attributes(node, def.attributes);
  298. 				}
  299.  
  300. 				if ('listeners' in def) {
  301. 					this.listeners(node, def.listeners);
  302. 				}
  303.  
  304. 				if ('children' in def) {
  305. 					this.append(node, def.children);
  306. 				}
  307.  
  308. 				return node;
  309.  
  310. 			case '[object String]':
  311. 				return this.createTextNode(def);
  312.  
  313. 			default:
  314. 				return def;
  315. 		}
  316. 	},
  317.  
  318. 	id: bind(document.getElementById, document),
  319. 	query: bind(document.querySelectorAll, document),
  320. 	createElement: bind(document.createElement, document),
  321. 	createTextNode: bind(document.createTextNode, document),
  322.  
  323. 	style: function(node, style) {
  324. 		each(style, node.style.setProperty, node.style);
  325. 	},
  326.  
  327. 	append: function(node, children) {
  328. 		each([].concat(children), function(i, child) { node.appendChild(this.build(child)); }, this);
  329. 		node.normalize();
  330. 	},
  331.  
  332. 	insertAfter: function(node, children) {
  333. 		var parent = node.parentNode, sibling = node.nextSibling;
  334. 		if (sibling) {
  335. 			each([].concat(children), function(i, child) { parent.insertBefore(this.build(child), sibling); }, this);
  336. 			parent.normalize();
  337. 		}
  338. 		else {
  339. 			this.append(parent, children);
  340. 		}
  341. 	},
  342.  
  343. 	prepend: function(node, children) {
  344. 		if (node.hasChildNodes()) {
  345. 			each([].concat(children), function(i, child) { node.insertBefore(this.build(child), node.firstChild); }, this);
  346. 		}
  347. 		else {
  348. 			this.append(node, children);
  349. 		}
  350. 	},
  351.  
  352. 	remove: function(node) {
  353. 		node.parentNode.removeChild(node);
  354. 	},
  355.  
  356. 	attributes: function(node, attributes) {
  357. 		each(attributes, node.setAttribute, node);
  358. 	},
  359.  
  360. 	hasClass: function(node, cls) {
  361. 		return node.hasAttribute('class') && new RegExp('\\b' + cls + '\\b').test(node.getAttribute('class'));
  362. 	},
  363.  
  364. 	addClass: function(node, clss) {
  365. 		node.setAttribute('class', node.hasAttribute('class') ? unique(node.getAttribute('class').concat(' ', clss).trim().split(/ +/)).join(' ') : clss);
  366. 	},
  367.  
  368. 	delClass: function(node, clss) {
  369. 		if (node.hasAttribute('class')) {
  370. 			node.setAttribute('class', node.getAttribute('class').replace(new RegExp('\\s*\\b(?:' + clss.replace(/ +/g, '|') + ')\\b\\s*', 'g'), ' ').trim());
  371. 		}
  372. 	},
  373.  
  374. 	listeners: function(node, listeners) {
  375. 		each(listeners, function(type, listener) { this.on(node, type, listener); }, this);
  376. 	},
  377.  
  378. 	on: function(node, type, listener) {
  379. 		node.addEventListener(type, listener, false);
  380. 	},
  381.  
  382. 	un: function(node, type, listener) {
  383. 		node.removeEventListener(type, listener, false);
  384. 	},
  385.  
  386. 	unwrap: function(element) {
  387. 		try {
  388. 			return XPCNativeWrapper.unwrap(element);
  389. 		}
  390. 		catch (e) {
  391. 			return element;
  392. 		}
  393. 	},
  394.  
  395. 	walk: function(node, path) {
  396. 		var steps = path.split('/'), step = null;
  397.  
  398. 		while (node && (step = steps.shift())) {
  399. 			if (step == '..') {
  400. 				node = node.parentNode;
  401. 				continue;
  402. 			}
  403.  
  404. 			var selector = /^(\w*)(?:\[(\d+)\])?$/.exec(step), name = selector[1], index = Number(selector[2]) || 0;
  405.  
  406. 			for (var i = 0, j = 0, nodes = node.childNodes; node = nodes.item(i); ++i) {
  407. 				if (node.nodeType == this.ELEMENT_NODE && (! name || node.tagName.toLowerCase() == name) && j++ == index) {
  408. 					break;
  409. 				}
  410. 			}
  411. 		}
  412.  
  413. 		return node;
  414. 	},
  415.  
  416. 	closest: function(node, predicate) {
  417. 		do {
  418. 			if (predicate(node)) {
  419. 				return node;
  420. 			}
  421. 		} while ((node = node.parentNode) && node.nodeType == this.ELEMENT_NODE);
  422.  
  423. 		return null;
  424. 	}
  425. };
  426.  
  427. /*
  428.  * i18n
  429.  */
  430.  
  431. var _ = (function() {
  432. 	var vocabulary = ["Playback", "START", "PAUSE", "STOP", "AUTO PAUSE", "AUTO STOP", "Set default playback state", "Quality", "AUTO", "ORIGINAL", "Set default video quality", "Size", "AUTO", "WIDE", "FIT", "Set default player size", "Player settings", "Help"];
  433. 	function translation(language) {
  434. 		switch (language) {
  435. 			// Hungarian - eugenox
  436. 			case 'hu':
  437. 				return ["Lej\u00e1tsz\u00e1s", "ELIND\u00cdTVA", "SZ\u00dcNETELTETVE", "MEG\u00c1LL\u00cdTVA", "AUTOMATIKUS SZ\u00dcNETELTET\u00c9S", "AUTOMATIKUS MEG\u00c1LL\u00cdT\u00c1S", "Lej\u00e1tsz\u00e1s alap\u00e9rtelmezett \u00e1llapota", "Min\u0151s\u00e9g", "AUTO", "EREDETI", "Vide\u00f3k alap\u00e9rtelmezett felbont\u00e1sa", "M\u00e9ret", "AUTO", "SZ\u00c9LES", "ILLESZTETT", "Lej\u00e1tsz\u00f3 alap\u00e9rtelmezett m\u00e9rete", "Lej\u00e1tsz\u00f3 be\u00e1ll\u00edt\u00e1sai", "S\u00fag\u00f3"];
  438. 			// Dutch - Mike-RaWare
  439. 			case 'nl':
  440. 				return [null, null, null, null, null, null, null, "Kwaliteit", "AUTOMATISCH", null, "Stel standaard videokwaliteit in", null, null, null, null, null, null, null];
  441. 			// Spanish - yonane, Dinepada, jdarlan
  442. 			case 'es':
  443. 				return ["Reproducci\u00f3n autom\u00e1tica", "Iniciar", "Pausar", "Detener", "Auto pausa", "Auto detener", "Fijar reproducci\u00f3n autom\u00e1tica", "Calidad", "Auto", "Original", "Calidad por defecto", "Tama\u00f1o", "Autom\u00e1tico", "Ancho", "Ajustar", "Tama\u00f1o del reproductor predeterminado", "Configuraci\u00f3n", "Ayuda"];
  444. 			// German - xemino, ich01
  445. 			case 'de':
  446. 				return ["Wiedergabe", "Start", "Pause", "Stop", "Auto-Pause", "Auto-Stop", "Standardm\u00e4\u00dfigen Wiedergabezustand setzen", "Qualit\u00e4t", "Auto", "Original", "Standard Video Qualit\u00e4t setzen", "Gr\u00f6\u00dfe", "Auto", "Breit", "Passend", "Standard Player Gr\u00f6\u00dfe setzen", "Einstellungen", "Hilfe"];
  447. 			// Portuguese - Pitukinha
  448. 			case 'pt':
  449. 				return [null, null, null, null, null, null, null, "Qualidade", "AUTOM\u00c1TICO", null, "Defini\u00e7\u00e3o padr\u00e3o de v\u00eddeo", null, null, null, null, null, "Configura\u00e7\u00e3o do usu\u00e1rio", null];
  450. 			// Greek - TastyTeo
  451. 			case 'el':
  452. 				return ["\u0391\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae", null, "\u03a0\u0391\u03a5\u03a3\u0397", "\u03a3\u03a4\u0391\u039c\u0391\u03a4\u0397\u039c\u0391", "\u0391\u03a5\u03a4\u039f\u039c\u0391\u03a4\u0397 \u03a0\u0391\u03a5\u03a3\u0397", "\u0391\u03a5\u03a4\u039f\u039c\u0391\u03a4\u039f \u03a3\u03a4\u0391\u039c\u0391\u03a4\u0397\u039c\u0391", "\u039f\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c0\u03c1\u03bf\u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b7\u03c2 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2", "\u03a0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1", "\u0391\u03a5\u03a4\u039f\u039c\u0391\u03a4\u039f", "\u03a0\u03a1\u039f\u0395\u03a0\u0399\u039b\u039f\u0393\u0397", "\u039f\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c0\u03c1\u03bf\u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b2\u03af\u03bd\u03c4\u03b5\u03bf", "\u039c\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2", "\u0391\u03a5\u03a4\u039f\u039c\u0391\u03a4\u039f", "\u03a0\u039b\u0391\u03a4\u03a5", "\u03a0\u03a1\u039f\u03a3\u0391\u03a1\u039c\u039f\u0393\u0397", "\u039f\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c0\u03c1\u03bf\u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b7\u03c2 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ad\u03b1", "\u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ad\u03b1", "\u0392\u03bf\u03ae\u03b8\u03b5\u03b9\u03b1"];
  453. 			// French - eXa
  454. 			case 'fr':
  455. 				return [null, null, null, null, null, null, null, "Qualit\u00e9", "AUTO", "ORIGINAL", "Qualit\u00e9 par d\u00e9faut", "Taille", "AUTO", "LARGE", "ADAPT\u00c9", "Taille par d\u00e9faut du lecteur", "Options du lecteur", "Aide"];
  456. 			// Slovenian - Paranoia.Com
  457. 			case 'sl':
  458. 				return [null, null, null, null, null, null, null, "Kakovost", "Samodejno", null, "Nastavi privzeto kakovost videa", null, null, null, null, null, "Nastavitve predvajalnika", "Pomo\u010d"];
  459. 			// Russian - an1k3y
  460. 			case 'ru':
  461. 				return [null, null, null, null, null, null, null, "\u041a\u0430\u0447\u0435\u0441\u0442\u0432\u043e", "\u0410\u0412\u0422\u041e", null, "\u041a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u0438\u0434\u0435\u043e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e", "\u0420\u0410\u0417\u041c\u0415\u0420", null, "\u0420\u0410\u0417\u0412\u0415\u0420\u041d\u0423\u0422\u042c", "\u0420\u0410\u0421\u0422\u042f\u041d\u0423\u0422\u042c", "\u0420\u0430\u0437\u043c\u0435\u0440 \u0432\u0438\u0434\u0435\u043e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e", "\u041d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u043f\u043b\u0435\u0435\u0440\u0430", "\u041f\u043e\u043c\u043e\u0449\u044c"];
  462. 			// Hebrew - baryoni
  463. 			case 'iw':
  464. 				return [null, null, null, null, null, null, null, "\u05d0\u05d9\u05db\u05d5\u05ea", "\u05d0\u05d5\u05d8\u05d5\u05de\u05d8\u05d9\u05ea", null, "\u05d4\u05d2\u05d3\u05e8 \u05d0\u05ea \u05d0\u05d9\u05db\u05d5\u05ea \u05d1\u05e8\u05d9\u05e8\u05ea \u05d4\u05de\u05d7\u05d3\u05dc \u05e9\u05dc \u05d4\u05d5\u05d9\u05d3\u05d0\u05d5", "\u05d2\u05d5\u05d3\u05dc", null, "\u05e8\u05d7\u05d1", "\u05de\u05dc\u05d0", "\u05d4\u05d2\u05d3\u05e8 \u05d0\u05ea \u05d2\u05d5\u05d3\u05dc \u05d1\u05e8\u05d9\u05e8\u05ea \u05d4\u05de\u05d7\u05d3\u05dc \u05e9\u05dc \u05d4\u05e0\u05d2\u05df", "\u05d4\u05d2\u05d3\u05e8\u05d5\u05ea \u05e0\u05d2\u05df", "\u05e2\u05d6\u05e8\u05d4"];
  465. 			// Chinese - blankhang
  466. 			case 'zh':
  467. 				return ["\u64ad\u653e\u6a21\u5f0f", "\u64ad\u653e", "\u6682\u505c", "\u505c\u6b62", "\u81ea\u52a8\u6682\u505c", "\u81ea\u52a8\u505c\u6b62", "\u8bbe\u7f6e\u9ed8\u8ba4\u64ad\u653e\u6a21\u5f0f", "\u89c6\u9891\u8d28\u91cf", "\u81ea\u52a8", "\u539f\u753b", "\u8bbe\u7f6e\u9ed8\u8ba4\u89c6\u9891\u8d28\u91cf", "\u64ad\u653e\u5668\u5927\u5c0f", "\u81ea\u52a8", "\u5bbd\u5c4f", "\u81ea\u9002\u5e94", "\u8bbe\u7f6e\u64ad\u653e\u5668\u9ed8\u8ba4\u5927\u5c0f", "\u64ad\u653e\u5668\u8bbe\u7f6e", "\u5e2e\u52a9"];
  468. 			// Polish - mkvs
  469. 			case 'pl':
  470. 				return ["Odtwarzanie", "URUCHOM", "WSTRZYMAJ", "ZATRZYMAJ", "AUTOMATYCZNIE WSTRZYMAJ", "AUTOMATYCZNIE ZATRZYMAJ", "Ustaw domy\u015blny stan odtwarzania", "Jako\u015b\u0107", "AUTOMATYCZNA", "ORYGINALNA", "Ustaw domy\u015bln\u0105 jako\u015b\u0107 film\u00f3w", "Rozmiar", "AUTOMATYCZNY", "SZEROKI", "DOPASOWANY", "Ustaw domy\u015blny rozmiar odtwarzacza", "Ustawienia odtwarzacza", "Pomoc"];
  471. 			// Swedish - eson
  472. 			case 'sv':
  473. 				return ["Uppspelning", "START", "PAUS", "STOPP", "AUTOPAUS", "AUTOSTOPP", "Ange uppspelningsl\u00e4ge", "Kvalitet", "AUTO", "ORIGINAL", "Ange standardkvalitet", "Storlek", "AUTO", "BRED", "ANPASSAD", "Ange standardstorlek", "Inst\u00e4llningar", "Hj\u00e4lp"];
  474. 			// Ukrainian - mukolah
  475. 			case 'uk':
  476. 				return ["\u0421\u0442\u0430\u043d \u043f\u0440\u043e\u0433\u0440\u0430\u0432\u0430\u0447\u0430", "\u0412\u0406\u0414\u0422\u0412\u041e\u0420\u0418\u0422\u0418", "\u041f\u0420\u0418\u0417\u0423\u041f\u0418\u041d\u0418\u0422\u0418", "\u0417\u0423\u041f\u0418\u041d\u0418\u0422\u0418", "\u0410\u0412\u0422\u041e\u041c\u0410\u0422\u0418\u0427\u041d\u0415 \u041f\u0420\u0418\u0417\u0423\u041f\u0418\u041d\u0415\u041d\u041d\u042f", "\u0410\u0412\u0422\u041e\u041c\u0410\u0422\u0418\u0427\u041d\u0415 \u0417\u0423\u041f\u0418\u041d\u0415\u041d\u041d\u042f", "\u0412\u0438\u0431\u0435\u0440\u0456\u0442\u044c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0438\u0439 \u0441\u0442\u0430\u043d \u0432\u0456\u0434\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f", "\u042f\u043a\u0456\u0441\u0442\u044c", "\u0410\u0412\u0422\u041e\u041c\u0410\u0422\u0418\u0427\u041d\u041e", "\u041e\u0420\u0418\u0413\u0406\u041d\u0410\u041b\u042c\u041d\u0410", "\u0412\u0438\u0431\u0435\u0440\u0456\u0442\u044c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0443 \u044f\u043a\u0456\u0441\u0442\u044c \u0432\u0456\u0434\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f", "\u0420\u043e\u0437\u043c\u0456\u0440", "\u0410\u0412\u0422\u041e\u041c\u0410\u0422\u0418\u0427\u041d\u0418\u0419", "\u0428\u0418\u0420\u041e\u041a\u0418\u0419", "\u041f\u041e \u0428\u0418\u0420\u0418\u041d\u0406 \u0415\u041a\u0420\u0410\u041d\u0423", "\u0412\u0438\u0431\u0435\u0440\u0456\u0442\u044c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0438\u0439 \u0440\u043e\u0437\u043c\u0456\u0440 \u043f\u0440\u043e\u0433\u0440\u0430\u0432\u0430\u0447\u0430", "\u041d\u0430\u043b\u0430\u0448\u0442\u0443\u0432\u0430\u043d\u043d\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u0432\u0430\u0447\u0430", "\u0414\u043e\u043f\u043e\u043c\u043e\u0433\u0430"];
  477. 		}
  478.  
  479. 		return [];
  480. 	}
  481.  
  482. 	var dictionary = combine(vocabulary, translation((document.documentElement.lang || 'en').substr(0, 2)));
  483.  
  484. 	return function(text) {
  485. 		return dictionary[text] || text;
  486. 	};
  487. })();
  488.  
  489. /**
  490.  * @class ScopedStorage
  491.  */
  492. function ScopedStorage(scope, namespace) {
  493. 	this._scope = scope;
  494. 	this._ns = namespace;
  495. }
  496.  
  497. ScopedStorage.prototype = {
  498. 	_scope: null,
  499. 	_ns: null,
  500.  
  501. 	getItem: function(key) {
  502. 		return this._scope.getItem(this._ns + '.' + key);
  503. 	},
  504.  
  505. 	setItem: function(key, value) {
  506. 		this._scope.setItem(this._ns + '.' + key, value);
  507. 	},
  508.  
  509. 	removeItem: function(key) {
  510. 		this._scope.removeItem(this._ns + '.' + key);
  511. 	}
  512. };
  513.  
  514. var scriptStorage = new ScopedStorage(unsafeWindow.localStorage, Meta.ns);
  515.  
  516. /*
  517.  * Configuration handler singleton.
  518.  */
  519.  
  520. var Config = (function() {
  521. 	// Greasemonkey compatible
  522. 	if (typeof GM_getValue == 'function') {
  523. 		return {
  524. 			get: GM_getValue,
  525. 			set: GM_setValue,
  526. 			del: GM_deleteValue
  527. 		};
  528. 	}
  529.  
  530. 	var configStorage = new ScopedStorage(scriptStorage, 'config');
  531.  
  532. 	// HTML5
  533. 	return {
  534. 		get: function(key) {
  535. 			return configStorage.getItem(key);
  536. 		},
  537.  
  538. 		set: function(key, value) {
  539. 			configStorage.setItem(key, value);
  540. 		},
  541.  
  542. 		del: function(key) {
  543. 			configStorage.removeItem(key);
  544. 		}
  545. 	};
  546. })();
  547.  
  548. /**
  549.  * @class JSONRequest
  550.  * Create XHR or JSONP requests.
  551.  */
  552. var JSONRequest = (function() {
  553. 	var Request = null;
  554.  
  555. 	// XHR
  556. 	if (typeof GM_xmlhttpRequest == 'function') {
  557. 		Request = function(url, parameters, callback) {
  558. 			this._callback = callback;
  559.  
  560. 			GM_xmlhttpRequest({
  561. 				method: 'GET',
  562. 				url: buildURL(url, parameters),
  563. 				onload: bind(this._onLoad, this)
  564. 			});
  565. 		};
  566.  
  567. 		Request.prototype = {
  568. 			_onLoad: function(response) {
  569. 				this._callback(parseJSON(response.responseText));
  570. 			}
  571. 		};
  572. 	}
  573. 	// JSONP
  574. 	else {
  575. 		Request = function(url, parameters, callback) {
  576. 			this._callback = callback;
  577. 			this._id = 'jsonp_' + Request.counter++;
  578.  
  579. 			parameters.callback = scriptContext.publish(this._id, bind(this._onLoad, this));
  580.  
  581. 			this._scriptNode = document.body.appendChild(DH.build({
  582. 				tag: 'script',
  583. 				attributes: {
  584. 					'type': 'text/javascript',
  585. 					'src': buildURL(url, parameters)
  586. 				}
  587. 			}));
  588. 		};
  589.  
  590. 		Request.counter = 0;
  591.  
  592. 		Request.prototype = {
  593. 			_callback: null,
  594. 			_id: null,
  595. 			_scriptNode: null,
  596.  
  597. 			_onLoad: function(response) {
  598. 				this._callback(response);
  599.  
  600. 				scriptContext.revoke(this._id);
  601.  
  602. 				document.body.removeChild(this._scriptNode);
  603. 			}
  604. 		};
  605. 	}
  606.  
  607. 	return Request;
  608. })();
  609.  
  610. /*
  611.  * Update checker.
  612.  */
  613.  
  614. (function() {
  615. 	if (new Date().valueOf() - Number(scriptStorage.getItem('update_checked_at')) < 86400000) { // 1 day
  616. 		return;
  617. 	}
  618.  
  619. 	var popup = null;
  620.  
  621. 	new JSONRequest(Meta.site + '/changelog', {version: Meta.version}, function(changelog) {
  622. 		scriptStorage.setItem('update_checked_at', new Date().valueOf().toFixed());
  623.  
  624. 		if (changelog && changelog.length) {
  625. 			popup = renderPopup(changelog);
  626. 		}
  627. 	});
  628.  
  629. 	function renderPopup(changelog) {
  630. 		return document.body.appendChild(DH.build({
  631. 			style: {
  632. 				'position': 'fixed',
  633. 				'bottom': '0',
  634. 				'width': '100%',
  635. 				'z-index': '1000',
  636. 				'background-color': '#f1f1f1',
  637. 				'border-top': '1px solid #cccccc'
  638. 			},
  639. 			children: {
  640. 				style: {
  641. 					'margin': '15px'
  642. 				},
  643. 				children: [{
  644. 					tag: 'strong',
  645. 					children: ['There is an update available for ', Meta.title, '.']
  646. 				}, {
  647. 					tag: 'p',
  648. 					style: {
  649. 						'margin': '10px 0'
  650. 					},
  651. 					children: [
  652. 						'You are using version ', {
  653. 							tag: 'strong',
  654. 							children: Meta.version
  655. 						}, ', released on ', {
  656. 							tag: 'em',
  657. 							children: Meta.releasedate
  658. 						}, '. Please consider updating to the latest version.'
  659. 					]
  660. 				}, {
  661. 					style: {
  662. 						'margin': '10px 0',
  663. 						'max-height': '150px',
  664. 						'overflow-y': 'auto'
  665. 					},
  666. 					children: {
  667. 						tag: 'a',
  668. 						children: 'Show changes',
  669. 						listeners: {
  670. 							click: function(e) {
  671. 								e.preventDefault();
  672.  
  673. 								DH.insertAfter(e.target, map(function(entry) {
  674. 									return {
  675. 										style: {
  676. 											'margin-bottom': '5px'
  677. 										},
  678. 										children: [{
  679. 											tag: 'strong',
  680. 											children: entry.version
  681. 										}, ' ', {
  682. 											tag: 'em',
  683. 											children: ['(', entry.date, ')']
  684. 										}, {
  685. 											style: {
  686. 												'padding': '0 0 2px 10px',
  687. 												'white-space': 'pre'
  688. 											},
  689. 											children: [].concat(entry.note).join('\n')
  690. 										}]
  691. 									};
  692. 								}, [].concat(changelog)));
  693.  
  694. 								DH.remove(e.target);
  695. 							}
  696. 						}
  697. 					}
  698. 				}, {
  699. 					children: map(function(text, handler) {
  700. 						return DH.build({
  701. 							tag: 'button',
  702. 							attributes: {
  703. 								'type': 'button',
  704. 								'class': 'yt-uix-button yt-uix-button-default'
  705. 							},
  706. 							style: {
  707. 								'margin-right': '10px',
  708. 								'padding': '5px 15px'
  709. 							},
  710. 							children: text,
  711. 							listeners: {
  712. 								'click': handler
  713. 							}
  714. 						});
  715. 					}, ['Update', 'Dismiss'], [openDownloadSite, removePopup])
  716. 				}]
  717. 			}
  718. 		}));
  719. 	}
  720.  
  721. 	function removePopup() {
  722. 		document.body.removeChild(popup);
  723. 	}
  724.  
  725. 	function openDownloadSite() {
  726. 		removePopup();
  727. 		unsafeWindow.open(buildURL(Meta.site + '/download', {version: Meta.version}));
  728. 	}
  729. })();
  730.  
  731. /*
  732.  * Migrations.
  733.  */
  734.  
  735. (function(currentVersion) {
  736. 	var previousVersion = Config.get('version') || scriptStorage.getItem('version') || '1.0';
  737.  
  738. 	if (previousVersion == currentVersion) {
  739. 		return;
  740. 	}
  741.  
  742. 	previousVersion = map(Number, previousVersion.split('.'));
  743.  
  744. 	each([
  745. 		{
  746. 			// Added "144p" to the quality levels.
  747. 			version: '1.7', apply: function() {
  748. 				var videoQuality = Number(Config.get('video_quality'));
  749. 				if (videoQuality > 0 && videoQuality < 7) {
  750. 					Config.set('video_quality', ++videoQuality);
  751. 				}
  752. 			}
  753. 		},
  754. 		{
  755. 			// Autoplay reworked.
  756. 			version: '1.8', apply: function() {
  757. 				switch (Number(Config.get('auto_play'))) {
  758. 					case 1: // OFF > PAUSE
  759. 						Config.set('video_playback', 1);
  760. 						break;
  761.  
  762. 					case 2: // AUTO > AUTO PAUSE
  763. 						Config.set('video_playback', 3);
  764. 						break;
  765. 				}
  766.  
  767. 				Config.del('auto_play');
  768. 			}
  769. 		},
  770. 		{
  771. 			// Added "1440p" to the quality levels.
  772. 			version: '1.10', apply: function() {
  773. 				var videoQuality = Number(Config.get('video_quality'));
  774. 				if (videoQuality > 6) {
  775. 					Config.set('video_quality', ++videoQuality);
  776. 				}
  777. 			}
  778. 		},
  779. 		{
  780. 			// Introduced the ScopedStorage class.
  781. 			version: '1.14', apply: function() {
  782. 				// Using a unique ScopedStorage for config outside of GM.
  783. 				each(['video_playback', 'video_quality', 'player_size', 'version'], function(i, key) {
  784. 					var value = scriptStorage.getItem(key);
  785.  
  786. 					if (value) {
  787. 						Config.set(key, value);
  788.  
  789. 						scriptStorage.removeItem(key);
  790. 					}
  791. 				});
  792.  
  793. 				// Removed from the config.
  794. 				Config.del('update_checked_at');
  795. 			}
  796. 		}
  797. 	], function(i, migration) {
  798. 		var migrationVersion = map(Number, migration.version.split('.'));
  799.  
  800. 		for (var j = 0, parts = Math.max(previousVersion.length, migrationVersion.length); j < parts; ++j) {
  801. 			if ((previousVersion[j] || 0) < (migrationVersion[j] || 0)) {
  802. 				Console.debug('Applying migration', migration.version);
  803.  
  804. 				migration.apply();
  805.  
  806. 				break;
  807. 			}
  808. 		}
  809. 	});
  810.  
  811. 	Config.set('version', currentVersion);
  812. })(Meta.version);
  813.  
  814. /**
  815.  * @class Player
  816.  */
  817. function Player(element) {
  818. 	this._element = element;
  819. 	this._context = new Context(scriptContext, 'player' + Player._elements.indexOf(element));
  820.  
  821. 	this._exportApiInterface();
  822.  
  823. 	Console.debug('Player ready');
  824.  
  825. 	this._muted = Number(this.isMuted() && ! Number(Player._storage.getItem('muted')));
  826.  
  827. 	this._addStateChangeListener();
  828. }
  829.  
  830. merge(Player, {
  831. 	UNSTARTED: -1,
  832. 	ENDED: 0,
  833. 	PLAYING: 1,
  834. 	PAUSED: 2,
  835. 	BUFFERING: 3,
  836. 	CUED: 5,
  837.  
  838. 	_elements: [],
  839.  
  840. 	_storage: new ScopedStorage(scriptStorage, 'player'),
  841.  
  842. 	test: function(element) {
  843. 		return typeof element.getApiInterface == 'function';
  844. 	},
  845.  
  846. 	create: function(element) {
  847. 		switch (element.tagName) {
  848. 			case 'EMBED':
  849. 				return new FlashPlayer(element);
  850. 			case 'DIV':
  851. 				return new HTML5Player(element);
  852. 		}
  853.  
  854. 		throw 'Unknown player type';
  855. 	},
  856.  
  857. 	initialize: function(element) {
  858. 		if (this._elements.indexOf(element) > -1) {
  859. 			throw 'Player already initialized';
  860. 		}
  861.  
  862. 		var index = this._elements.indexOf(null);
  863.  
  864. 		if (index > -1) {
  865. 			this._elements[index] = element;
  866. 		}
  867. 		else {
  868. 			this._elements.push(element);
  869. 		}
  870.  
  871. 		return this.create(element);
  872. 	},
  873.  
  874. 	invalidate: function(player) {
  875. 		this._elements[this._elements.indexOf(player._element)] = null;
  876.  
  877. 		player.invalidate();
  878. 	}
  879. });
  880.  
  881. Player.prototype = {
  882. 	_element: null,
  883. 	_context: null,
  884. 	_muted: 0,
  885.  
  886. 	_exportApiInterface: function() {
  887. 		each(this._element.getApiInterface(), function(i, method) {
  888. 			if (! (method in this)) {
  889. 				this[method] = bind(this._element[method], this._element);
  890. 			}
  891. 		}, this);
  892. 	},
  893.  
  894. 	_unexportApiInterface: function() {
  895. 		each(this._element.getApiInterface(), function(i, method) {
  896. 			if (this.hasOwnProperty(method)) {
  897. 				delete this[method];
  898. 			}
  899. 		}, this);
  900. 	},
  901.  
  902. 	_onStateChange: function(state) {
  903. 		Console.debug('State changed to', ['unstarted', 'ended', 'playing', 'paused', 'buffering', undefined, 'cued'][state + 1]);
  904.  
  905. 		this.onStateChange(state);
  906. 	},
  907.  
  908. 	_addStateChangeListener: function() {
  909. 		this.addEventListener('onStateChange', this._context.publish('onPlayerStateChange', asyncProxy(bind(this._onStateChange, this))));
  910. 	},
  911.  
  912. 	_removeStateChangeListener: function() {
  913. 		this.removeEventListener('onStateChange', this._context.publish('onPlayerStateChange', noop));
  914. 	},
  915.  
  916. 	invalidate: function() {
  917. 		this._removeStateChangeListener();
  918. 		this._unexportApiInterface();
  919.  
  920. 		delete this.onStateChange;
  921. 		delete this._element;
  922.  
  923. 		Console.debug('Player invalidated');
  924.  
  925. 		this.invalidate = noop;
  926. 	},
  927.  
  928. 	onStateChange: noop,
  929.  
  930. 	isPlayerState: function() {
  931. 		return Array.prototype.indexOf.call(arguments, this.getPlayerState()) > -1;
  932. 	},
  933.  
  934. 	getVideoId: function() {
  935. 		try {
  936. 			return this.getVideoData().video_id;
  937. 		}
  938. 		catch (e) {
  939. 			return (this.getVideoUrl().match(/\bv=([\w-]+)/) || [, undefined])[1];
  940. 		}
  941. 	},
  942.  
  943. 	restartPlayback: function() {
  944. 		if (this.getCurrentTime() > 60) {
  945. 			Console.debug('Restart threshold exceeded');
  946.  
  947. 			return;
  948. 		}
  949.  
  950. 		var
  951. 			code = (location.hash + location.search).match(/\bt=(?:(\d+)h)?(?:(\d+)m)?(?:(\d+)s?)?/) || new Array(4),
  952. 			seconds = (Number(code[1]) || 0) * 3600 + (Number(code[2]) || 0) * 60 + (Number(code[3]) || 0);
  953.  
  954. 		this.seekTo(seconds, true);
  955. 	},
  956.  
  957. 	resetState: function() {
  958. 		this.seekTo(this.getCurrentTime(), true);
  959. 	},
  960.  
  961. 	mute: function() {
  962. 		if (! this._muted++) {
  963. 			this._element.mute();
  964.  
  965. 			Player._storage.setItem('muted', '1');
  966.  
  967. 			Console.debug('Player muted');
  968. 		}
  969. 	},
  970.  
  971. 	unMute: function() {
  972. 		if (! --this._muted) {
  973. 			this._element.unMute();
  974.  
  975. 			Player._storage.setItem('muted', '0');
  976.  
  977. 			Console.debug('Player unmuted');
  978. 		}
  979. 	},
  980.  
  981. 	playVideo: function() {
  982. 		this._element.playVideo();
  983.  
  984. 		Console.debug('Playback started');
  985. 	},
  986.  
  987. 	pauseVideo: function() {
  988. 		this._element.pauseVideo();
  989.  
  990. 		Console.debug('Playback paused');
  991. 	},
  992.  
  993. 	stopVideo: function() {
  994. 		this._element.stopVideo();
  995.  
  996. 		Console.debug('Playback stopped');
  997. 	},
  998.  
  999. 	setPlaybackQuality: function(quality) {
  1000. 		this._element.setPlaybackQuality(quality);
  1001.  
  1002. 		Console.debug('Quality changed to', quality);
  1003. 	}
  1004. };
  1005.  
  1006. /**
  1007.  * @class FlashPlayer
  1008.  */
  1009. function FlashPlayer(element) {
  1010. 	Player.call(this, element);
  1011. }
  1012.  
  1013. FlashPlayer.prototype = extend(Player, {
  1014. 	_exportApiInterface: function() {
  1015. 		try {
  1016. 			Player.prototype._exportApiInterface.call(this);
  1017. 		}
  1018. 		catch (e) {
  1019. 			throw 'Player has not loaded yet';
  1020. 		}
  1021. 	},
  1022.  
  1023. 	_unexportApiInterface: function() {
  1024. 		try {
  1025. 			Player.prototype._unexportApiInterface.call(this);
  1026. 		}
  1027. 		catch (e) {
  1028. 			Console.debug('Player has unloaded');
  1029. 		}
  1030. 	},
  1031.  
  1032. 	_removeStateChangeListener: function() {
  1033. 		try {
  1034. 			Player.prototype._removeStateChangeListener.call(this);
  1035. 		}
  1036. 		catch (e) {
  1037. 			Console.debug('Player has unloaded');
  1038. 		}
  1039. 	}
  1040. });
  1041.  
  1042. /**
  1043.  * @class HTML5Player
  1044.  */
  1045. function HTML5Player(element) {
  1046. 	Player.call(this, element);
  1047. }
  1048.  
  1049. HTML5Player.prototype = extend(Player, {
  1050. 	restartPlayback: function() {
  1051. 		Player.prototype.restartPlayback.call(this);
  1052.  
  1053. 		this.restartPlayback = noop;
  1054. 	}
  1055. });
  1056.  
  1057. /**
  1058.  * @class Button
  1059.  */
  1060. function Button(label, tooltip) {
  1061. 	this._node = DH.build(this._def(tooltip, label, this._indicator = DH.build('-')));
  1062. }
  1063.  
  1064. Button.prototype = {
  1065. 	_indicator: null,
  1066. 	_node: null,
  1067.  
  1068. 	_def: function(tooltip, label, indicator) {
  1069. 		return {
  1070. 			tag: 'button',
  1071. 			attributes: {
  1072. 				'type': 'button',
  1073. 				'class': 'yt-uix-button yt-uix-button-default yt-uix-tooltip',
  1074. 				'title': tooltip
  1075. 			},
  1076. 			listeners: {
  1077. 				'click': bind(this._onClick, this)
  1078. 			},
  1079. 			style: {
  1080. 				'margin': '0 0.5%'
  1081. 			},
  1082. 			children: [{
  1083. 				tag: 'span',
  1084. 				attributes: {
  1085. 					'class': 'yt-uix-button-content'
  1086. 				},
  1087. 				children: label
  1088. 			}, {
  1089. 				tag: 'span',
  1090. 				style: {
  1091. 					'font-size': '14px',
  1092. 					'margin-left': '5px'
  1093. 				},
  1094. 				attributes: {
  1095. 					'class': 'yt-uix-button-content'
  1096. 				},
  1097. 				children: indicator
  1098. 			}]
  1099. 		};
  1100. 	},
  1101.  
  1102. 	_onClick: function() {
  1103. 		this.handler();
  1104. 		this.refresh();
  1105. 	},
  1106.  
  1107. 	refresh: function() {
  1108. 		this._indicator.data = this.display();
  1109. 	},
  1110.  
  1111. 	render: function() {
  1112. 		this.refresh();
  1113. 		return this._node;
  1114. 	},
  1115.  
  1116. 	handler: noop,
  1117. 	display: noop
  1118. };
  1119.  
  1120. /**
  1121.  * @class PlayerOption
  1122.  */
  1123. function PlayerOption(player, key) {
  1124. 	this._player = player;
  1125. 	this._key = key;
  1126. }
  1127.  
  1128. PlayerOption.prototype = {
  1129. 	_player: null,
  1130. 	_key: null,
  1131.  
  1132. 	get: function() {
  1133. 		return Number(Config.get(this._key) || '0');
  1134. 	},
  1135.  
  1136. 	set: function(value) {
  1137. 		Config.set(this._key, Number(value));
  1138. 	},
  1139.  
  1140. 	apply: noop,
  1141. 	cease: noop
  1142. };
  1143.  
  1144. /**
  1145.  * @class PlayerOption.Button
  1146.  */
  1147. PlayerOption.Button = function(option) {
  1148. 	Button.call(this, this.label, this.tooltip);
  1149.  
  1150. 	this._option = option;
  1151. };
  1152.  
  1153. PlayerOption.Button.extend = function(attributes) {
  1154. 	var superclass = this;
  1155.  
  1156. 	function Button(option) {
  1157. 		superclass.call(this, option);
  1158. 	}
  1159.  
  1160. 	Button.prototype = extend(superclass, attributes);
  1161.  
  1162. 	return Button;
  1163. };
  1164.  
  1165. PlayerOption.Button.prototype = extend(Button, {
  1166. 	_option: null,
  1167.  
  1168. 	label: null,
  1169. 	tooltip: null,
  1170. 	states: null,
  1171.  
  1172. 	handler: function() {
  1173. 		this._option.set((this._option.get() + 1) % this.states.length);
  1174. 	},
  1175.  
  1176. 	display: function() {
  1177. 		return this.states[this._option.get()];
  1178. 	}
  1179. });
  1180.  
  1181. /**
  1182.  * @class SilentPlayerOption
  1183.  */
  1184. function SilentPlayerOption(player, key) {
  1185. 	PlayerOption.call(this, player, key);
  1186. }
  1187.  
  1188. SilentPlayerOption.prototype = extend(PlayerOption, {
  1189. 	_muted: false,
  1190.  
  1191. 	mute: function(state) {
  1192. 		if (this._muted != state) {
  1193. 			if (state) {
  1194. 				this._player.mute();
  1195. 			}
  1196. 			else {
  1197. 				this._player.unMute();
  1198. 			}
  1199.  
  1200. 			this._muted = state;
  1201. 		}
  1202. 	},
  1203.  
  1204. 	cease: function() {
  1205. 		this.mute(false);
  1206. 	}
  1207. });
  1208.  
  1209. /**
  1210.  * @class VideoPlayback
  1211.  */
  1212. function VideoPlayback(player) {
  1213. 	SilentPlayerOption.call(this, player, 'video_playback');
  1214.  
  1215. 	switch (this.get()) {
  1216. 		case 0: // PLAY
  1217. 			this._applied = true;
  1218. 			break;
  1219.  
  1220. 		case 3: // AUTO PAUSE
  1221. 		case 4: // AUTO STOP
  1222. 			// Video is visible or opened in the same window.
  1223. 			if (this._isVisible() || unsafeWindow.history.length > 1) {
  1224. 				this._applied = true;
  1225. 			}
  1226. 			// Video is opened in a background tab.
  1227. 			else {
  1228. 				this._handler = pageContext.protect(bind(this._handler, this));
  1229.  
  1230. 				DH.on(unsafeWindow, 'focus', this._handler);
  1231. 				DH.on(unsafeWindow, 'blur', this._handler);
  1232. 			}
  1233. 			break;
  1234. 	}
  1235. }
  1236.  
  1237. VideoPlayback.prototype = extend(SilentPlayerOption, {
  1238. 	_applied: false,
  1239. 	_timer: null,
  1240.  
  1241. 	_handler: function(e) {
  1242. 		switch (e.type) {
  1243. 			case 'focus':
  1244. 				if (this._timer === null) {
  1245. 					this._timer = window.setTimeout(bind(function() {
  1246. 						if (this._applied) {
  1247. 							this._player.resetState();
  1248. 							this._player.playVideo();
  1249.  
  1250. 							Console.debug('Playback autostarted');
  1251. 						}
  1252. 						else {
  1253. 							this._applied = true;
  1254.  
  1255. 							Console.debug('Playback not affected');
  1256.  
  1257. 							this.mute(false);
  1258. 						}
  1259.  
  1260. 						DH.un(unsafeWindow, 'focus', this._handler);
  1261. 						DH.un(unsafeWindow, 'blur', this._handler);
  1262.  
  1263. 						this._timer = null;
  1264. 					}, this), 500);
  1265. 				}
  1266. 				break;
  1267.  
  1268. 			case 'blur':
  1269. 				if (this._timer !== null) {
  1270. 					clearTimeout(this._timer);
  1271.  
  1272. 					this._timer = null;
  1273. 				}
  1274. 				break;
  1275. 		}
  1276. 	},
  1277.  
  1278. 	// @see http://www.w3.org/TR/page-visibility/
  1279. 	_isVisible: function() {
  1280. 		var doc = unsafeWindow.document;
  1281. 		return doc.hidden === false || doc.mozHidden === false || doc.webkitHidden === false;
  1282. 	},
  1283.  
  1284. 	apply: function() {
  1285. 		if (! this._applied) {
  1286. 			this.mute(true);
  1287.  
  1288. 			if (this._player.isPlayerState(Player.PLAYING)) {
  1289. 				this._applied = true;
  1290.  
  1291. 				this._player.restartPlayback();
  1292.  
  1293. 				if (this.get() % 2) { // (AUTO) PAUSE
  1294. 					this._player.pauseVideo();
  1295. 				}
  1296. 				else { // (AUTO) STOP
  1297. 					this._player.stopVideo();
  1298. 				}
  1299.  
  1300. 				this.mute(false);
  1301. 			}
  1302. 		}
  1303. 	}
  1304. });
  1305.  
  1306. /**
  1307.  * @class VideoPlayback.Button
  1308.  */
  1309. VideoPlayback.Button = PlayerOption.Button.extend({
  1310. 	label: _('Playback'),
  1311. 	tooltip: _('Set default playback state'),
  1312. 	states: [_('START'), _('PAUSE'), _('STOP'), _('AUTO PAUSE'), _('AUTO STOP')]
  1313. });
  1314.  
  1315. /**
  1316.  * @class VideoQuality
  1317.  */
  1318. function VideoQuality(player) {
  1319. 	SilentPlayerOption.call(this, player, 'video_quality');
  1320.  
  1321. 	this._applied = ! this.get();
  1322. }
  1323.  
  1324. VideoQuality.prototype = extend(SilentPlayerOption, {
  1325. 	_applied: false,
  1326.  
  1327. 	apply: function() {
  1328. 		if (! this._applied) {
  1329. 			this.mute(true);
  1330.  
  1331. 			if (this._player.isPlayerState(Player.PLAYING, Player.PAUSED, Player.BUFFERING)) {
  1332. 				this._applied = true;
  1333.  
  1334. 				var quality = ['tiny', 'small', 'medium', 'large', 'hd720', 'hd1080', 'hd1440', 'highres'][this.get() - 1];
  1335.  
  1336. 				if (quality != this._player.getPlaybackQuality()) {
  1337. 					this._player.restartPlayback();
  1338. 					this._player.setPlaybackQuality(quality);
  1339. 				}
  1340.  
  1341. 				asyncCall(this.apply, this);
  1342. 			}
  1343. 		} else if (this._player.isPlayerState(Player.PLAYING, Player.CUED)) {
  1344. 			this.mute(false);
  1345. 		}
  1346. 	}
  1347. });
  1348.  
  1349. /**
  1350.  * @class VideoQuality.Button
  1351.  */
  1352. VideoQuality.Button = PlayerOption.Button.extend({
  1353. 	label: _('Quality'),
  1354. 	tooltip: _('Set default video quality'),
  1355. 	states: [_('AUTO'), '144p', '240p', '360p', '480p', '720p', '1080p', '1440p', _('ORIGINAL')]
  1356. });
  1357.  
  1358. /**
  1359.  * @class PlayerSize
  1360.  */
  1361. function PlayerSize(player) {
  1362. 	PlayerOption.call(this, player, 'player_size');
  1363. }
  1364.  
  1365. PlayerSize.prototype = extend(PlayerOption, {
  1366. 	apply: function() {
  1367. 		var mode = this.get(), rules = [];
  1368.  
  1369. 		switch (mode) {
  1370. 			case 2: // FIT
  1371. 				rules.push(
  1372. 					'.watch-medium,',
  1373. 					'.watch-medium .player-width {',
  1374. 						'width: 1066px !important;',
  1375. 					'}',
  1376. 					'.watch-medium .player-height,',
  1377. 					'.watch-medium #theater-background {',
  1378. 						'height: 629.157px !important;',
  1379. 					'}',
  1380. 					'.watch-medium .html5-video-content[style*="640"],',
  1381. 					'.watch-medium .html5-video-content[style*="360"],',
  1382. 					'.watch-medium .html5-main-video[style*="640"],',
  1383. 					'.watch-medium .html5-main-video[style*="360"] {',
  1384. 						'transform: matrix(1.66562, 0, 0, 1.66562, 213, 119.812) !important;',
  1385. 						'-o-transform: matrix(1.66562, 0, 0, 1.66562, 213, 119.812) !important;',
  1386. 						'-moz-transform: matrix(1.66562, 0, 0, 1.66562, 213, 119.812) !important;',
  1387. 						'-webkit-transform: matrix(1.66562, 0, 0, 1.66562, 213, 119.812) !important;',
  1388. 					'}',
  1389. 					'.watch-medium .html5-video-content[style*="854"],',
  1390. 					'.watch-medium .html5-video-content[style*="480"],',
  1391. 					'.watch-medium .html5-main-video[style*="854"],',
  1392. 					'.watch-medium .html5-main-video[style*="480"] {',
  1393. 						'transform: matrix(1.24824, 0, 0, 1.24824, 106, 59.5785) !important;',
  1394. 						'-o-transform: matrix(1.24824, 0, 0, 1.24824, 106, 59.5785) !important;',
  1395. 						'-moz-transform: matrix(1.24824, 0, 0, 1.24824, 106, 59.5785) !important;',
  1396. 						'-webkit-transform: matrix(1.24824, 0, 0, 1.24824, 106, 59.5785) !important;',
  1397. 					'}'
  1398. 				);
  1399.  
  1400. 				break;
  1401.  
  1402. 			case 1: // WIDE
  1403. 				rules.push(
  1404. 					'.watch-medium .html5-video-content[style*="640"],',
  1405. 					'.watch-medium .html5-video-content[style*="360"],',
  1406. 					'.watch-medium .html5-main-video[style*="640"],',
  1407. 					'.watch-medium .html5-main-video[style*="360"] {',
  1408. 						'transform: matrix(1.33438, 0, 0, 1.33438, 107, 60.1875) !important;',
  1409. 						'-o-transform: matrix(1.33438, 0, 0, 1.33438, 107, 60.1875) !important;',
  1410. 						'-moz-transform: matrix(1.33438, 0, 0, 1.33438, 107, 60.1875) !important;',
  1411. 						'-webkit-transform: matrix(1.33438, 0, 0, 1.33438, 107, 60.1875) !important;',
  1412. 					'}'
  1413. 				);
  1414.  
  1415. 				break;
  1416.  
  1417. 			default:
  1418. 				return;
  1419. 		}
  1420.  
  1421. 		rules.push(
  1422. 			'.watch-medium .html5-main-video {',
  1423. 				'z-index: -1;',
  1424. 			'}'
  1425. 		);
  1426.  
  1427. 		DH.id('yays-player-size') || DH.append(document.body, {
  1428. 			tag: 'style',
  1429. 			attributes: {
  1430. 				'id': 'yays-player-size',
  1431. 				'type': 'text/css'
  1432. 			},
  1433. 			children: rules
  1434. 		});
  1435.  
  1436. 		var container = DH.id('watch7-container'), player = DH.id('player'), page = DH.id('page');
  1437.  
  1438. 		DH.addClass(container, 'watch-wide');
  1439. 		DH.delClass(player, 'watch-small');
  1440. 		DH.addClass(player, 'watch-medium');
  1441. 		DH.delClass(page, 'watch-non-stage-mode');
  1442. 		DH.addClass(page, 'watch-stage-mode');
  1443.  
  1444. 		Console.debug('Size set to', ['wide', 'fit'][mode - 1]);
  1445. 	}
  1446. });
  1447.  
  1448. /**
  1449.  * @class PlayerSize.Button
  1450.  */
  1451. PlayerSize.Button = PlayerOption.Button.extend({
  1452. 	label: _('Size'),
  1453. 	tooltip: _('Set default player size'),
  1454. 	states: [_('AUTO'), _('WIDE'), _('FIT')]
  1455. });
  1456.  
  1457. /**
  1458.  * @class UI
  1459.  * Abstract UI class.
  1460.  */
  1461. function UI(content) {
  1462. 	this.content = content;
  1463. 	this.button = DH.build(this._def.button(bind(this.toggle, this)));
  1464. 	this.panel = DH.build(this._def.panel(content));
  1465. }
  1466.  
  1467. merge(UI, {
  1468. 	instance: null,
  1469.  
  1470. 	initialize: function(type, content) {
  1471. 		if (this.instance) {
  1472. 			this.instance.destroy();
  1473. 		}
  1474.  
  1475. 		return this.instance = new type(content);
  1476. 	}
  1477. });
  1478.  
  1479. UI.prototype = {
  1480. 	_def: {
  1481. 		icon: function(def) {
  1482. 			def = merge({tag: 'img', attributes: {}}, def);
  1483.  
  1484. 			def.attributes.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAQAAAC1+jfqAAAAs0lEQVQoz4VRuRGDQAxcQDNLeKEzl2BCl+CQkIyjA3dCCYQugxJowWQ4AocEnnPAWTxjhlUirUar0y2wAGs6Otb4DyZ0PpKZjQAmcpVOMjwQezaTlzzlJvGnA8BGJ7fRABHvsNjDSd4hLloOKMZgDFBgUO48v91RlWg9U6/K1UU6EuIAIYD8Jzyv8EkOgKUe1U8NWvbKlYJW1QwqVpsN7eFHTR6kNCvhnpaG6dKTXbNwZPcX5uNiEvATXN0AAAAASUVORK5CYII=';
  1485.  
  1486. 			return def;
  1487. 		},
  1488.  
  1489. 		button: function(click) {
  1490. 			return {
  1491. 				listeners: {
  1492. 					'click': click
  1493. 				}
  1494. 			};
  1495. 		},
  1496.  
  1497. 		panel: function(content) {
  1498. 			return [{
  1499. 				style: {
  1500. 					'margin-bottom': '10px'
  1501. 				},
  1502. 				children: [{
  1503. 					tag: 'strong',
  1504. 					children: _('Player settings')
  1505. 				}, {
  1506. 					tag: 'a',
  1507. 					attributes: {
  1508. 						'href': Meta.site,
  1509. 						'target': '_blank'
  1510. 					},
  1511. 					style: {
  1512. 						'margin-left': '4px',
  1513. 						'vertical-align': 'super',
  1514. 						'font-size': '10px'
  1515. 					},
  1516. 					children: _('Help')
  1517. 				}]
  1518. 			}, {
  1519. 				style: {
  1520. 					'text-align': 'center'
  1521. 				},
  1522. 				children: content.render()
  1523. 			}];
  1524. 		}
  1525. 	},
  1526.  
  1527. 	content: null,
  1528. 	button: null,
  1529. 	panel: null,
  1530.  
  1531. 	destroy: function() {
  1532. 		DH.remove(this.button);
  1533. 		DH.remove(this.panel);
  1534. 	},
  1535.  
  1536. 	toggle: function() {
  1537. 		this.content.refresh();
  1538. 	}
  1539. };
  1540.  
  1541. /**
  1542.  * @class UI.Content
  1543.  */
  1544. UI.Content = function(buttons) {
  1545. 	this._buttons = buttons;
  1546. };
  1547.  
  1548. UI.Content.prototype = {
  1549. 	_buttons: null,
  1550.  
  1551. 	render: function() {
  1552. 		return map(function(button) { return button.render(); }, this._buttons);
  1553. 	},
  1554.  
  1555. 	refresh: function() {
  1556. 		each(this._buttons, function(i, button) { button.refresh(); });
  1557. 	}
  1558. };
  1559.  
  1560. /**
  1561.  * @class UI.Requirement
  1562.  */
  1563. UI.Requirement = function(queries) {
  1564. 	this._queries = [].concat(queries);
  1565. };
  1566.  
  1567. UI.Requirement.prototype = {
  1568. 	_queries: null,
  1569.  
  1570. 	test: function() {
  1571. 		return DH.query(this._queries.join(', ')).length >= this._queries.length;
  1572. 	}
  1573. };
  1574.  
  1575. /**
  1576.  * @class WatchUI
  1577.  */
  1578. function WatchUI(buttons) {
  1579. 	UI.call(this, new UI.Content(buttons));
  1580. }
  1581.  
  1582. WatchUI.prototype = extend(UI, {
  1583. 	_def: {
  1584. 		panel: function(content) {
  1585. 			return {
  1586. 				attributes: {
  1587. 					'id': 'action-panel-yays',
  1588. 					'class': 'action-panel-content hid',
  1589. 					'data-panel-loaded': 'true'
  1590. 				},
  1591. 				children: UI.prototype._def.panel(content)
  1592. 			};
  1593. 		}
  1594. 	}
  1595. });
  1596.  
  1597. /**
  1598.  * @class Watch8UI
  1599.  */
  1600. function Watch8UI(buttons) {
  1601. 	WatchUI.call(this, buttons);
  1602.  
  1603. 	DH.append(DH.id('watch8-secondary-actions'), this.button);
  1604. 	DH.append(DH.id('watch-action-panels'), this.panel);
  1605. }
  1606.  
  1607. Watch8UI.requirement = new UI.Requirement(['#page.watch #watch8-secondary-actions', '#page.watch #watch-action-panels']);
  1608.  
  1609. Watch8UI.prototype = extend(WatchUI, {
  1610. 	_def: {
  1611. 		button: function(click) {
  1612. 			return {
  1613. 				tag: 'span',
  1614. 				children: {
  1615. 					tag: 'button',
  1616. 					attributes: {
  1617. 						'type': 'button',
  1618. 						'class': 'action-panel-trigger yt-uix-button yt-uix-button-empty yt-uix-button-has-icon yt-uix-button-opacity yt-uix-button-size-default yt-uix-tooltip',
  1619. 						'data-button-toggle': 'true',
  1620. 						'data-trigger-for': 'action-panel-yays',
  1621. 						'data-tooltip-text': _('Player settings')
  1622. 					},
  1623. 					listeners: {
  1624. 						'click': click
  1625. 					},
  1626. 					children: {
  1627. 						tag: 'span',
  1628. 						attributes: {
  1629. 							'class': 'yt-uix-button-icon-wrapper'
  1630. 						},
  1631. 						children: UI.prototype._def.icon({
  1632. 							attributes: {
  1633. 								'class': 'yt-uix-button-icon'
  1634. 							}
  1635. 						})
  1636. 					}
  1637. 				}
  1638. 			};
  1639. 		},
  1640.  
  1641. 		panel: WatchUI.prototype._def.panel
  1642. 	}
  1643. });
  1644.  
  1645. /**
  1646.  * @class ChannelUI
  1647.  */
  1648. function ChannelUI(buttons) {
  1649. 	UI.call(this, new UI.Content(buttons));
  1650.  
  1651. 	DH.append(DH.id('channel-navigation-menu'), {
  1652. 		tag: 'li',
  1653. 		children: [this.button, this.panel]
  1654. 	});
  1655. }
  1656.  
  1657. ChannelUI.requirement = new UI.Requirement('#channel-navigation-menu');
  1658.  
  1659. ChannelUI.prototype = extend(UI, {
  1660. 	_def: {
  1661. 		button: function(click) {
  1662. 			return {
  1663. 				tag: 'button',
  1664. 				attributes: {
  1665. 					'type': 'button',
  1666. 					'role': 'button',
  1667. 					'class': 'yt-uix-button yt-uix-button-empty yt-uix-button-epic-nav-item yt-uix-tooltip flip',
  1668. 					'data-button-menu-id': 'yays-panel-dropdown',
  1669. 					'data-tooltip-text': _('Player settings')
  1670. 				},
  1671. 				style: {
  1672. 					'position': 'absolute',
  1673. 					'right': '20px',
  1674. 					'width': '30px'
  1675. 				},
  1676. 				listeners: {
  1677. 					'click': click
  1678. 				},
  1679. 				children: {
  1680. 					tag: 'span',
  1681. 					attributes: {
  1682. 						'class': 'yt-uix-button-icon-wrapper'
  1683. 					},
  1684. 					style: {
  1685. 						'opacity': '0.75'
  1686. 					},
  1687. 					children: UI.prototype._def.icon()
  1688. 				}
  1689. 			};
  1690. 		},
  1691.  
  1692. 		panel: function(content) {
  1693. 			return {
  1694. 				attributes: {
  1695. 					'id': 'yays-panel-dropdown',
  1696. 					'class': 'epic-nav-item-dropdown hid'
  1697. 				},
  1698. 				style: {
  1699. 					'padding': '5px 10px 10px',
  1700. 					'width': '450px'
  1701. 				},
  1702. 				children: UI.prototype._def.panel(content)
  1703. 			};
  1704. 		}
  1705. 	}
  1706. });
  1707.  
  1708. /*
  1709.  * Ready callbacks.
  1710.  */
  1711.  
  1712. function onReady(player) {
  1713. 	var
  1714. 		videoPlayback = new VideoPlayback(player),
  1715. 		videoQuality = new VideoQuality(player),
  1716. 		playerSize = new PlayerSize(player),
  1717. 		previousVideo = player.getVideoId();
  1718.  
  1719. 	player.onStateChange = function() {
  1720. 		try {
  1721. 			var currentVideo = player.getVideoId();
  1722.  
  1723. 			if (currentVideo == previousVideo) {
  1724. 				videoQuality.apply();
  1725. 				videoPlayback.apply();
  1726. 			}
  1727. 			else {
  1728. 				videoQuality.cease();
  1729. 				videoPlayback.cease();
  1730.  
  1731. 				throw null;
  1732. 			}
  1733. 		}
  1734. 		catch (e) {
  1735. 			Player.invalidate(player);
  1736.  
  1737. 			asyncCall(onPlayerReady);
  1738. 		}
  1739. 	};
  1740.  
  1741. 	videoQuality.apply();
  1742. 	videoPlayback.apply();
  1743.  
  1744. 	if (Watch8UI.requirement.test()) {
  1745. 		playerSize.apply();
  1746.  
  1747. 		UI.initialize(Watch8UI, [
  1748. 			new VideoQuality.Button(videoQuality),
  1749. 			new PlayerSize.Button(playerSize),
  1750. 			new VideoPlayback.Button(videoPlayback)
  1751. 		]);
  1752. 	}
  1753. 	else if (ChannelUI.requirement.test()) {
  1754. 		UI.initialize(ChannelUI, [
  1755. 			new VideoQuality.Button(videoQuality),
  1756. 			new VideoPlayback.Button(videoPlayback)
  1757. 		]);
  1758. 	}
  1759. }
  1760.  
  1761. function onPlayerReady() {
  1762. 	each(DH.query('video, embed'), function(i, node) {
  1763. 		var player = DH.closest(node, function(node) { return Player.test(DH.unwrap(node)); });
  1764.  
  1765. 		if (player) {
  1766. 			try {
  1767. 				player = Player.initialize(DH.unwrap(player));
  1768.  
  1769. 				onReady(player);
  1770.  
  1771. 				Console.debug('Initialization finished');
  1772. 			}
  1773. 			catch (e) {
  1774. 				Console.debug(e);
  1775. 			}
  1776. 		}
  1777. 	});
  1778. }
  1779.  
  1780. onPlayerReady();
  1781.  
  1782. // FIXME: The call to an exported function is rejected if a function (or an
  1783. // object with methods) is passed as argument.
  1784. //
  1785. // This restriction can be lifted in FF 33+ by setting the 'allowCallbacks'
  1786. // option when exporting the function.
  1787.  
  1788. var node = DH.build({
  1789. 	tag: 'script',
  1790. 	attributes: {
  1791. 		'type': 'text/javascript'
  1792. 	}
  1793. });
  1794.  
  1795. node.text = 'function onYouTubePlayerReady() { ' + scriptContext.publish('onPlayerReady', intercept(unsafeWindow.onYouTubePlayerReady, asyncProxy(onPlayerReady))) + '(); }';
  1796.  
  1797. document.documentElement.appendChild(node);
  1798. document.documentElement.removeChild(node);
  1799.  
  1800. } // YAYS
  1801.  
  1802. if (window.top === window.self) {
  1803. 	if (this.unsafeWindow) { // Greasemonkey.
  1804. 		YAYS(unsafeWindow);
  1805. 	}
  1806. 	else {
  1807. 		var node = document.createElement('script');
  1808. 		node.setAttribute('type', 'text/javascript');
  1809. 		node.text = '(' + YAYS.toString() + ')(window);';
  1810.  
  1811. 		document.documentElement.appendChild(node);
  1812. 		document.documentElement.removeChild(node);
  1813. 	}
  1814. }