https://www.xanax.com/-/media/Base-Themes/Core-Libraries/scripts/facebook.js

1/*!
2 * MediaElement.js
3 * http://www.mediaelementjs.com/
4 *
5 * Wrapper that mimics native HTML5 MediaElement (audio and video)
6 * using a variety of technologies (pure JavaScript, Flash, iframe)
7 *
8 * Copyright 2010-2017, John Dyer (http://j.hn/)
9 * License: MIT
10 *
11 */(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
12'use strict';
13
14var FacebookRenderer = {
15	name: 'facebook',
16	options: {
17		prefix: 'facebook',
18		facebook: {
19			appId: '{your-app-id}',
20			xfbml: true,
21			version: 'v2.6'
22		}
23	},
24
25	canPlayType: function canPlayType(type) {
26		return ~['video/facebook', 'video/x-facebook'].indexOf(type.toLowerCase());
27	},
28
29	create: function create(mediaElement, options, mediaFiles) {
30
31		var fbWrapper = {},
32		    apiStack = [],
33		    eventHandler = {},
34		    readyState = 4,
35		    autoplay = mediaElement.originalNode.autoplay;
36
37		var src = '',
38		    paused = true,
39		    ended = false,
40		    hasStartedPlaying = false,
41		    fbApi = null,
42		    fbDiv = null;
43
44		options = Object.assign(options, mediaElement.options);
45		fbWrapper.options = options;
46		fbWrapper.id = mediaElement.id + '_' + options.prefix;
47		fbWrapper.mediaElement = mediaElement;
48
49		var props = mejs.html5media.properties,
50		    assignGettersSetters = function assignGettersSetters(propName) {
51
52			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
53
54			fbWrapper['get' + capName] = function () {
55
56				if (fbApi !== null) {
57					var value = null;
58
59					switch (propName) {
60						case 'currentTime':
61							return fbApi.getCurrentPosition();
62						case 'duration':
63							return fbApi.getDuration();
64						case 'volume':
65							return fbApi.getVolume();
66						case 'paused':
67							return paused;
68						case 'ended':
69							return ended;
70						case 'muted':
71							return fbApi.isMuted();
72						case 'buffered':
73							return {
74								start: function start() {
75									return 0;
76								},
77								end: function end() {
78									return 0;
79								},
80								length: 1
81							};
82						case 'src':
83							return src;
84						case 'readyState':
85							return readyState;
86					}
87
88					return value;
89				} else {
90					return null;
91				}
92			};
93
94			fbWrapper['set' + capName] = function (value) {
95
96				if (fbApi !== null) {
97
98					switch (propName) {
99						case 'src':
100							var url = typeof value === 'string' ? value : value[0].src;
101
102							fbDiv.remove();
103							createFacebookEmbed(url, options.facebook);
104
105							FB.XFBML.parse();
106
107							if (autoplay) {
108								fbApi.play();
109							}
110
111							break;
112						case 'currentTime':
113							fbApi.seek(value);
114							break;
115						case 'muted':
116							if (value) {
117								fbApi.mute();
118							} else {
119								fbApi.unmute();
120							}
121							setTimeout(function () {
122								var event = mejs.Utils.createEvent('volumechange', fbWrapper);
123								mediaElement.dispatchEvent(event);
124							}, 50);
125							break;
126						case 'volume':
127							fbApi.setVolume(value);
128							setTimeout(function () {
129								var event = mejs.Utils.createEvent('volumechange', fbWrapper);
130								mediaElement.dispatchEvent(event);
131							}, 50);
132							break;
133						case 'readyState':
134							var event = mejs.Utils.createEvent('canplay', fbWrapper);
135							mediaElement.dispatchEvent(event);
136							break;
137						default:
138							
139							break;
140					}
141				} else {
142					apiStack.push({ type: 'set', propName: propName, value: value });
143				}
144			};
145		};
146
147		for (var i = 0, total = props.length; i < total; i++) {
148			assignGettersSetters(props[i]);
149		}
150
151		var methods = mejs.html5media.methods,
152		    assignMethods = function assignMethods(methodName) {
153			fbWrapper[methodName] = function () {
154				if (fbApi !== null) {
155					switch (methodName) {
156						case 'play':
157							return fbApi.play();
158						case 'pause':
159							return fbApi.pause();
160						case 'load':
161							return null;
162					}
163				} else {
164					apiStack.push({ type: 'call', methodName: methodName });
165				}
166			};
167		};
168
169		for (var _i = 0, _total = methods.length; _i < _total; _i++) {
170			assignMethods(methods[_i]);
171		}
172
173		function sendEvents(events) {
174			for (var _i2 = 0, _total2 = events.length; _i2 < _total2; _i2++) {
175				var event = mejs.Utils.createEvent(events[_i2], fbWrapper);
176				mediaElement.dispatchEvent(event);
177			}
178		}
179
180		function createFacebookEmbed(url, config) {
181			src = url;
182
183			fbDiv = document.createElement('div');
184			fbDiv.id = fbWrapper.id;
185			fbDiv.className = "fb-video";
186			fbDiv.setAttribute("data-href", url);
187			fbDiv.setAttribute("data-allowfullscreen", "true");
188			fbDiv.setAttribute("data-controls", "false");
189
190			mediaElement.originalNode.parentNode.insertBefore(fbDiv, mediaElement.originalNode);
191			mediaElement.originalNode.style.display = 'none';
192
193			window.fbAsyncInit = function () {
194
195				FB.init(config);
196
197				FB.Event.subscribe('xfbml.ready', function (msg) {
198
199					if (msg.type === 'video') {
200
201						fbApi = msg.instance;
202
203						var fbIframe = fbDiv.getElementsByTagName('iframe')[0],
204						    width = fbIframe.offsetWidth,
205						    height = fbIframe.offsetHeight,
206						    events = ['mouseover', 'mouseout'],
207						    assignEvents = function assignEvents(e) {
208							var event = mejs.Utils.createEvent(e.type, fbWrapper);
209							mediaElement.dispatchEvent(event);
210						};
211
212						fbWrapper.setSize(width, height);
213
214						if (autoplay) {
215							fbApi.play();
216						}
217
218						for (var _i3 = 0, _total3 = events.length; _i3 < _total3; _i3++) {
219							fbIframe.addEventListener(events[_i3], assignEvents, false);
220						}
221
222						var fbEvents = ['startedPlaying', 'paused', 'finishedPlaying', 'startedBuffering', 'finishedBuffering'];
223						for (var _i4 = 0, _total4 = fbEvents.length; _i4 < _total4; _i4++) {
224							var event = fbEvents[_i4],
225							    handler = eventHandler[event];
226							if (handler !== undefined && handler !== null && !mejs.Utils.isObjectEmpty(handler) && typeof handler.removeListener === 'function') {
227								handler.removeListener(event);
228							}
229						}
230
231						if (apiStack.length) {
232							for (var _i5 = 0, _total5 = apiStack.length; _i5 < _total5; _i5++) {
233
234								var stackItem = apiStack[_i5];
235
236								if (stackItem.type === 'set') {
237									var propName = stackItem.propName,
238									    capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
239
240									fbWrapper['set' + capName](stackItem.value);
241								} else if (stackItem.type === 'call') {
242									fbWrapper[stackItem.methodName]();
243								}
244							}
245						}
246
247						sendEvents(['rendererready', 'loadeddata', 'canplay', 'progress', 'loadedmetadata', 'timeupdate']);
248
249						var timer = void 0;
250
251						eventHandler.startedPlaying = fbApi.subscribe('startedPlaying', function () {
252							if (!hasStartedPlaying) {
253								hasStartedPlaying = true;
254							}
255							paused = false;

256							ended = false;
257							sendEvents(['play', 'playing', 'timeupdate']);
258
259							timer = setInterval(function () {
260								fbApi.getCurrentPosition();
261								sendEvents(['timeupdate']);
262							}, 250);
263						});
264						eventHandler.paused = fbApi.subscribe('paused', function () {
265							paused = true;
266							ended = false;
267							sendEvents(['pause']);
268						});
269						eventHandler.finishedPlaying = fbApi.subscribe('finishedPlaying', function () {
270							paused = true;
271							ended = true;
272
273							sendEvents(['ended']);
274							clearInterval(timer);
275							timer = null;
276						});
277						eventHandler.startedBuffering = fbApi.subscribe('startedBuffering', function () {
278							sendEvents(['progress', 'timeupdate']);
279						});
280						eventHandler.finishedBuffering = fbApi.subscribe('finishedBuffering', function () {
281							sendEvents(['progress', 'timeupdate']);
282						});
283					}
284				});
285			};
286
287			mejs.Utils.loadScript('https://connect.facebook.net/en_US/sdk.js');
288		}
289
290		if (mediaFiles.length > 0) {
291			createFacebookEmbed(mediaFiles[0].src, fbWrapper.options.facebook);
292		}
293
294		fbWrapper.hide = function () {
295			fbWrapper.stopInterval();
296			fbWrapper.pause();
297			if (fbDiv) {
298				fbDiv.style.display = 'none';
299			}
300		};
301		fbWrapper.show = function () {
302			if (fbDiv) {
303				fbDiv.style.display = '';
304			}
305		};
306		fbWrapper.setSize = function (width, height) {
307			if (fbApi !== null && !isNaN(width) && !isNaN(height)) {
308				fbDiv.style.width = width;
309				fbDiv.style.height = height;
310			}
311		};
312		fbWrapper.destroy = function () {};
313		fbWrapper.interval = null;
314
315		fbWrapper.startInterval = function () {
316			fbWrapper.interval = setInterval(function () {
317				var event = mejs.Utils.createEvent('timeupdate', fbWrapper);
318				mediaElement.dispatchEvent(event);
319			}, 250);
320		};
321		fbWrapper.stopInterval = function () {
322			if (fbWrapper.interval) {
323				clearInterval(fbWrapper.interval);
324			}
325		};
326
327		return fbWrapper;
328	}
329};
330
331mejs.Utils.typeChecks.push(function (url) {
332	return ~url.toLowerCase().indexOf('//www.facebook') ? 'video/x-facebook' : null;
333});
334
335mejs.Renderers.add(FacebookRenderer);
336
337},{}]},{},[1]);