// Handles calls from Flash/Silverlight and reports them as native <video/audio> events and properties
mejs.MediaPluginBridge = {

	pluginMediaElements:{},
	htmlMediaElements:{},

	registerPluginElement: function (id, pluginMediaElement, htmlMediaElement) {
		this.pluginMediaElements[id] = pluginMediaElement;
		this.htmlMediaElements[id] = htmlMediaElement;
	},

	unregisterPluginElement: function (id) {
		delete this.pluginMediaElements[id];
		delete this.htmlMediaElements[id];
	},

	// when Flash/Silverlight is ready, it calls out to this method
	initPlugin: function (id) {

		var pluginMediaElement = this.pluginMediaElements[id],
			htmlMediaElement = this.htmlMediaElements[id];

		if (pluginMediaElement) {
			// find the javascript bridge
			switch (pluginMediaElement.pluginType) {
				case "flash":
					pluginMediaElement.pluginElement = pluginMediaElement.pluginApi = document.getElementById(id);
					break;
				case "silverlight":
					pluginMediaElement.pluginElement = document.getElementById(pluginMediaElement.id);
					pluginMediaElement.pluginApi = pluginMediaElement.pluginElement.Content.MediaElementJS;
					break;
			}
	
			if (pluginMediaElement.pluginApi != null && pluginMediaElement.success) {
				pluginMediaElement.success(pluginMediaElement, htmlMediaElement);
			}
		}
	},

	// receives events from Flash/Silverlight and sends them out as HTML5 media events
	// http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html
	fireEvent: function (id, eventName, values) {

		var
			e,
			i,
			bufferedTime,
			pluginMediaElement = this.pluginMediaElements[id];

		if(!pluginMediaElement){
            return;
        }
        
		// fake event object to mimic real HTML media event.
		e = {
			type: eventName,
			target: pluginMediaElement
		};

		// attach all values to element and event object
		for (i in values) {
			pluginMediaElement[i] = values[i];
			e[i] = values[i];
		}

		// fake the newer W3C buffered TimeRange (loaded and total have been removed)
		bufferedTime = values.bufferedTime || 0;

		e.target.buffered = e.buffered = {
			start: function(index) {
				return 0;
			},
			end: function (index) {
				return bufferedTime;
			},
			length: 1
		};

		pluginMediaElement.dispatchEvent(e.type, e);
	}
};

/*
Default options
*/
mejs.MediaElementDefaults = {
	// allows testing on HTML5, flash, silverlight
	// auto: attempts to detect what the browser can do
	// auto_plugin: prefer plugins and then attempt native HTML5
	// native: forces HTML5 playback
	// shim: disallows HTML5, will attempt either Flash or Silverlight
	// none: forces fallback view
	mode: 'auto',
	// remove or reorder to change plugin priority and availability
	plugins: ['flash','silverlight','youtube','vimeo'],
	// shows debug errors on screen
	enablePluginDebug: false,
	// use plugin for browsers that have trouble with Basic Authentication on HTTPS sites
	httpsBasicAuthSite: false,
	// overrides the type specified, useful for dynamic instantiation
	type: '',
	// path to Flash and Silverlight plugins
	pluginPath: mejs.Utility.getScriptPath(['mediaelement.js','mediaelement.min.js','mediaelement-and-player.js','mediaelement-and-player.min.js']),
	// name of flash file
	flashName: 'flashmediaelement.swf',
	// streamer for RTMP streaming
	flashStreamer: '',
	// turns on the smoothing filter in Flash
	enablePluginSmoothing: false,
	// enabled pseudo-streaming (seek) on .mp4 files
	enablePseudoStreaming: false,
	// start query parameter sent to server for pseudo-streaming
	pseudoStreamingStartQueryParam: 'start',
	// name of silverlight file
	silverlightName: 'silverlightmediaelement.xap',
	// default if the <video width> is not specified
	defaultVideoWidth: 480,
	// default if the <video height> is not specified
	defaultVideoHeight: 270,
	// overrides <video width>
	pluginWidth: -1,
	// overrides <video height>
	pluginHeight: -1,
	// additional plugin variables in 'key=value' form
	pluginVars: [],	
	// rate in milliseconds for Flash and Silverlight to fire the timeupdate event
	// larger number is less accurate, but less strain on plugin->JavaScript bridge
	timerRate: 250,
	// initial volume for player
	startVolume: 0.8,
	success: function () { },
	error: function () { }
};

/*
Determines if a browser supports the <video> or <audio> element
and returns either the native element or a Flash/Silverlight version that
mimics HTML5 MediaElement
*/
mejs.MediaElement = function (el, o) {
	return mejs.HtmlMediaElementShim.create(el,o);
};

mejs.HtmlMediaElementShim = {

	create: function(el, o) {
		var
			options = mejs.MediaElementDefaults,
			htmlMediaElement = (typeof(el) == 'string') ? document.getElementById(el) : el,
			tagName = htmlMediaElement.tagName.toLowerCase(),
			isMediaTag = (tagName === 'audio' || tagName === 'video'),
			src = (isMediaTag) ? htmlMediaElement.getAttribute('src') : htmlMediaElement.getAttribute('href'),
			poster = htmlMediaElement.getAttribute('poster'),
			autoplay =  htmlMediaElement.getAttribute('autoplay'),
			preload =  htmlMediaElement.getAttribute('preload'),
			controls =  htmlMediaElement.getAttribute('controls'),
			playback,
			prop;

		// extend options
		for (prop in o) {
			options[prop] = o[prop];
		}

		// clean up attributes
		src = 		(typeof src == 'undefined' 	|| src === null || src == '') ? null : src;		
		poster =	(typeof poster == 'undefined' 	|| poster === null) ? '' : poster;
		preload = 	(typeof preload == 'undefined' 	|| preload === null || preload === 'false') ? 'none' : preload;
		autoplay = 	!(typeof autoplay == 'undefined' || autoplay === null || autoplay === 'false');
		controls = 	!(typeof controls == 'undefined' || controls === null || controls === 'false');

		// test for HTML5 and plugin capabilities
		playback = this.determinePlayback(htmlMediaElement, options, mejs.MediaFeatures.supportsMediaTag, isMediaTag, src);
		playback.url = (playback.url !== null) ? mejs.Utility.absolutizeUrl(playback.url) : '';

		if (playback.method == 'native') {
			// second fix for android
			if (mejs.MediaFeatures.isBustedAndroid) {
				htmlMediaElement.src = playback.url;
				htmlMediaElement.addEventListener('click', function() {
					htmlMediaElement.play();
				}, false);
			}
		
			// add methods to native HTMLMediaElement
			return this.updateNative(playback, options, autoplay, preload);
		} else if (playback.method !== '') {
			// create plugin to mimic HTMLMediaElement
			
			return this.createPlugin( playback,  options, poster, autoplay, preload, controls);
		} else {
			// boo, no HTML5, no Flash, no Silverlight.
			this.createErrorMessage( playback, options, poster );
			
			return this;
		}
	},
	
	determinePlayback: function(htmlMediaElement, options, supportsMediaTag, isMediaTag, src) {
		var
			mediaFiles = [],
			i,
			j,
			k,
			l,
			n,
			type,
			result = { method: '', url: '', htmlMediaElement: htmlMediaElement, isVideo: (htmlMediaElement.tagName.toLowerCase() != 'audio')},
			pluginName,
			pluginVersions,
			pluginInfo,
			dummy,
			media;
			
		// STEP 1: Get URL and type from <video src> or <source src>

		// supplied type overrides <video type> and <source type>
		if (typeof options.type != 'undefined' && options.type !== '') {
			
			// accept either string or array of types
			if (typeof options.type == 'string') {
				mediaFiles.push({type:options.type, url:src});
			} else {
				
				for (i=0; i<options.type.length; i++) {
					mediaFiles.push({type:options.type[i], url:src});
				}
			}

		// test for src attribute first
		} else if (src !== null) {
			type = this.formatType(src, htmlMediaElement.getAttribute('type'));
			mediaFiles.push({type:type, url:src});

		// then test for <source> elements
		} else {
			// test <source> types to see if they are usable
			for (i = 0; i < htmlMediaElement.childNodes.length; i++) {
				n = htmlMediaElement.childNodes[i];
				if (n.nodeType == 1 && n.tagName.toLowerCase() == 'source') {
					src = n.getAttribute('src');
					type = this.formatType(src, n.getAttribute('type'));
					media = n.getAttribute('media');

					if (!media || !window.matchMedia || (window.matchMedia && window.matchMedia(media).matches)) {
						mediaFiles.push({type:type, url:src});
					}
				}
			}
		}
		
		// in the case of dynamicly created players
		// check for audio types
		if (!isMediaTag && mediaFiles.length > 0 && mediaFiles[0].url !== null && this.getTypeFromFile(mediaFiles[0].url).indexOf('audio') > -1) {
			result.isVideo = false;
		}
		

		// STEP 2: Test for playback method
		
		// special case for Android which sadly doesn't implement the canPlayType function (always returns '')
		if (mejs.MediaFeatures.isBustedAndroid) {
			htmlMediaElement.canPlayType = function(type) {
				return (type.match(/video\/(mp4|m4v)/gi) !== null) ? 'maybe' : '';
			};
		}		
		

		// test for native playback first
		if (supportsMediaTag && (options.mode === 'auto' || options.mode === 'auto_plugin' || options.mode === 'native')  && !(mejs.MediaFeatures.isBustedNativeHTTPS && options.httpsBasicAuthSite === true)) {
						
			if (!isMediaTag) {

				// create a real HTML5 Media Element 
				dummy = document.createElement( result.isVideo ? 'video' : 'audio');			
				htmlMediaElement.parentNode.insertBefore(dummy, htmlMediaElement);
				htmlMediaElement.style.display = 'none';
				
				// use this one from now on
				result.htmlMediaElement = htmlMediaElement = dummy;
			}
				
			for (i=0; i<mediaFiles.length; i++) {
				// normal check
				if (htmlMediaElement.canPlayType(mediaFiles[i].type).replace(/no/, '') !== '' 
					// special case for Mac/Safari 5.0.3 which answers '' to canPlayType('audio/mp3') but 'maybe' to canPlayType('audio/mpeg')
					|| htmlMediaElement.canPlayType(mediaFiles[i].type.replace(/mp3/,'mpeg')).replace(/no/, '') !== ''
					// special case for m4a supported by detecting mp4 support
					|| htmlMediaElement.canPlayType(mediaFiles[i].type.replace(/m4a/,'mp4')).replace(/no/, '') !== '') {
					result.method = 'native';
					result.url = mediaFiles[i].url;
					break;
				}
			}			
			
			if (result.method === 'native') {
				if (result.url !== null) {
					htmlMediaElement.src = result.url;
				}
			
				// if `auto_plugin` mode, then cache the native result but try plugins.
				if (options.mode !== 'auto_plugin') {
					return result;
				}
			}
		}

		// if native playback didn't work, then test plugins
		if (options.mode === 'auto' || options.mode === 'auto_plugin' || options.mode === 'shim') {
			for (i=0; i<mediaFiles.length; i++) {
				type = mediaFiles[i].type;

				// test all plugins in order of preference [silverlight, flash]
				for (j=0; j<options.plugins.length; j++) {

					pluginName = options.plugins[j];
			
					// test version of plugin (for future features)
					pluginVersions = mejs.plugins[pluginName];				
					
					for (k=0; k<pluginVersions.length; k++) {
						pluginInfo = pluginVersions[k];
					
						// test if user has the correct plugin version
						
						// for youtube/vimeo
						if (pluginInfo.version == null || 
							
							mejs.PluginDetector.hasPluginVersion(pluginName, pluginInfo.version)) {

							// test for plugin playback types
							for (l=0; l<pluginInfo.types.length; l++) {
								// find plugin that can play the type
								if (type == pluginInfo.types[l]) {
									result.method = pluginName;
									result.url = mediaFiles[i].url;
									return result;
								}
							}
						}
					}
				}
			}
		}
		
		// at this point, being in 'auto_plugin' mode implies that we tried plugins but failed.
		// if we have native support then return that.
		if (options.mode === 'auto_plugin' && result.method === 'native') {
			return result;
		}

		// what if there's nothing to play? just grab the first available
		if (result.method === '' && mediaFiles.length > 0) {
			result.url = mediaFiles[0].url;
		}

		return result;
	},

	formatType: function(url, type) {
		var ext;

		// if no type is supplied, fake it with the extension
		if (url && !type) {		
			return this.getTypeFromFile(url);
		} else {
			// only return the mime part of the type in case the attribute contains the codec
			// see http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#the-source-element
			// `video/mp4; codecs="avc1.42E01E, mp4a.40.2"` becomes `video/mp4`
			
			if (type && ~type.indexOf(';')) {
				return type.substr(0, type.indexOf(';')); 
			} else {
				return type;
			}
		}
	},
	
	getTypeFromFile: function(url) {
		url = url.split('?')[0];
		var ext = url.substring(url.lastIndexOf('.') + 1).toLowerCase();
		return (/(mp4|m4v|ogg|ogv|webm|webmv|flv|wmv|mpeg|mov)/gi.test(ext) ? 'video' : 'audio') + '/' + this.getTypeFromExtension(ext);
	},
	
	getTypeFromExtension: function(ext) {
		
		switch (ext) {
			case 'mp4':
			case 'm4v':
			case 'm4a':
				return 'mp4';
			case 'webm':
			case 'webma':
			case 'webmv':	
				return 'webm';
			case 'ogg':
			case 'oga':
			case 'ogv':	
				return 'ogg';
			default:
				return ext;
		}
	},

	createErrorMessage: function(playback, options, poster) {
		var 
			htmlMediaElement = playback.htmlMediaElement,
			errorContainer = document.createElement('div');
			
		errorContainer.className = 'me-cannotplay';

		try {
			errorContainer.style.width = htmlMediaElement.width + 'px';
			errorContainer.style.height = htmlMediaElement.height + 'px';
		} catch (e) {}

    if (options.customError) {
      errorContainer.innerHTML = options.customError;
    } else {
      errorContainer.innerHTML = (poster !== '') ?
        '<a href="' + playback.url + '"><img src="' + poster + '" width="100%" height="100%" /></a>' :
        '<a href="' + playback.url + '"><span>' + mejs.i18n.t('Download File') + '</span></a>';
    }

		htmlMediaElement.parentNode.insertBefore(errorContainer, htmlMediaElement);
		htmlMediaElement.style.display = 'none';

		options.error(htmlMediaElement);
	},

	createPlugin:function(playback, options, poster, autoplay, preload, controls) {
		var 
			htmlMediaElement = playback.htmlMediaElement,
			width = 1,
			height = 1,
			pluginid = 'me_' + playback.method + '_' + (mejs.meIndex++),
			pluginMediaElement = new mejs.PluginMediaElement(pluginid, playback.method, playback.url),
			container = document.createElement('div'),
			specialIEContainer,
			node,
			initVars;

		// copy tagName from html media element
		pluginMediaElement.tagName = htmlMediaElement.tagName

		// copy attributes from html media element to plugin media element
		for (var i = 0; i < htmlMediaElement.attributes.length; i++) {
			var attribute = htmlMediaElement.attributes[i];
			if (attribute.specified == true) {
				pluginMediaElement.setAttribute(attribute.name, attribute.value);
			}
		}

		// check for placement inside a <p> tag (sometimes WYSIWYG editors do this)
		node = htmlMediaElement.parentNode;
		while (node !== null && node.tagName.toLowerCase() !== 'body' && node.parentNode != null) {
			if (node.parentNode.tagName.toLowerCase() === 'p') {
				node.parentNode.parentNode.insertBefore(node, node.parentNode);
				break;
			}
			node = node.parentNode;
		}

		if (playback.isVideo) {
			width = (options.pluginWidth > 0) ? options.pluginWidth : (options.videoWidth > 0) ? options.videoWidth : (htmlMediaElement.getAttribute('width') !== null) ? htmlMediaElement.getAttribute('width') : options.defaultVideoWidth;
			height = (options.pluginHeight > 0) ? options.pluginHeight : (options.videoHeight > 0) ? options.videoHeight : (htmlMediaElement.getAttribute('height') !== null) ? htmlMediaElement.getAttribute('height') : options.defaultVideoHeight;
		
			// in case of '%' make sure it's encoded
			width = mejs.Utility.encodeUrl(width);
			height = mejs.Utility.encodeUrl(height);
		
		} else {
			if (options.enablePluginDebug) {
				width = 320;
				height = 240;
			}
		}

		// register plugin
		pluginMediaElement.success = options.success;
		mejs.MediaPluginBridge.registerPluginElement(pluginid, pluginMediaElement, htmlMediaElement);

		// add container (must be added to DOM before inserting HTML for IE)
		container.className = 'me-plugin';
		container.id = pluginid + '_container';
		
		if (playback.isVideo) {
				htmlMediaElement.parentNode.insertBefore(container, htmlMediaElement);
		} else {
				document.body.insertBefore(container, document.body.childNodes[0]);
		}

		// flash/silverlight vars
		initVars = [
			'id=' + pluginid,
			'isvideo=' + ((playback.isVideo) ? "true" : "false"),
			'autoplay=' + ((autoplay) ? "true" : "false"),
			'preload=' + preload,
			'width=' + width,
			'startvolume=' + options.startVolume,
			'timerrate=' + options.timerRate,
			'flashstreamer=' + options.flashStreamer,
			'height=' + height,
      'pseudostreamstart=' + options.pseudoStreamingStartQueryParam];

		if (playback.url !== null) {
			if (playback.method == 'flash') {
				initVars.push('file=' + mejs.Utility.encodeUrl(playback.url));
			} else {
				initVars.push('file=' + playback.url);
			}
		}
		if (options.enablePluginDebug) {
			initVars.push('debug=true');
		}
		if (options.enablePluginSmoothing) {
			initVars.push('smoothing=true');
		}
    if (options.enablePseudoStreaming) {
      initVars.push('pseudostreaming=true');
    }
		if (controls) {
			initVars.push('controls=true'); // shows controls in the plugin if desired
		}
		if (options.pluginVars) {
			initVars = initVars.concat(options.pluginVars);
		}		

		switch (playback.method) {
			case 'silverlight':
				container.innerHTML =
'<object data="data:application/x-silverlight-2," type="application/x-silverlight-2" id="' + pluginid + '" name="' + pluginid + '" width="' + width + '" height="' + height + '" class="mejs-shim">' +
'<param name="initParams" value="' + initVars.join(',') + '" />' +
'<param name="windowless" value="true" />' +
'<param name="background" value="black" />' +
'<param name="minRuntimeVersion" value="3.0.0.0" />' +
'<param name="autoUpgrade" value="true" />' +
'<param name="source" value="' + options.pluginPath + options.silverlightName + '" />' +
'</object>';
					break;

			case 'flash':

				if (mejs.MediaFeatures.isIE) {
					specialIEContainer = document.createElement('div');
					container.appendChild(specialIEContainer);
					specialIEContainer.outerHTML =
'<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="//download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab" ' +
'id="' + pluginid + '" width="' + width + '" height="' + height + '" class="mejs-shim">' +
'<param name="movie" value="' + options.pluginPath + options.flashName + '?x=' + (new Date()) + '" />' +
'<param name="flashvars" value="' + initVars.join('&amp;') + '" />' +
'<param name="quality" value="high" />' +
'<param name="bgcolor" value="#000000" />' +
'<param name="wmode" value="transparent" />' +
'<param name="allowScriptAccess" value="always" />' +
'<param name="allowFullScreen" value="true" />' +
'<param name="scale" value="default" />' + 
'</object>';

				} else {

					container.innerHTML =
'<embed id="' + pluginid + '" name="' + pluginid + '" ' +
'play="true" ' +
'loop="false" ' +
'quality="high" ' +
'bgcolor="#000000" ' +
'wmode="transparent" ' +
'allowScriptAccess="always" ' +
'allowFullScreen="true" ' +
'type="application/x-shockwave-flash" pluginspage="//www.macromedia.com/go/getflashplayer" ' +
'src="' + options.pluginPath + options.flashName + '" ' +
'flashvars="' + initVars.join('&') + '" ' +
'width="' + width + '" ' +
'height="' + height + '" ' +
'scale="default"' + 
'class="mejs-shim"></embed>';
				}
				break;
			
			case 'youtube':
			
				
				var videoId;
				// youtu.be url from share button
				if (playback.url.lastIndexOf("youtu.be") != -1) {
					videoId = playback.url.substr(playback.url.lastIndexOf('/')+1);
					if (videoId.indexOf('?') != -1) {
						videoId = videoId.substr(0, videoId.indexOf('?'));
					}
				}
				else {
					videoId = playback.url.substr(playback.url.lastIndexOf('=')+1);
				}
				youtubeSettings = {
						container: container,
						containerId: container.id,
						pluginMediaElement: pluginMediaElement,
						pluginId: pluginid,
						videoId: videoId,
						height: height,
						width: width	
					};				
				
				if (mejs.PluginDetector.hasPluginVersion('flash', [10,0,0]) ) {
					mejs.YouTubeApi.createFlash(youtubeSettings);
				} else {
					mejs.YouTubeApi.enqueueIframe(youtubeSettings);		
				}
				
				break;
			
			// DEMO Code. Does NOT work.
			case 'vimeo':
				var player_id = pluginid + "_player";
				pluginMediaElement.vimeoid = playback.url.substr(playback.url.lastIndexOf('/')+1);
				
				container.innerHTML ='<iframe src="//player.vimeo.com/video/' + pluginMediaElement.vimeoid + '?api=1&portrait=0&byline=0&title=0&player_id=' + player_id + '" width="' + width +'" height="' + height +'" frameborder="0" class="mejs-shim" id="' + player_id + '"></iframe>';
				if (typeof($f) == 'function') { // froogaloop available
					var player = $f(container.childNodes[0]);
					player.addEvent('ready', function() {
						player.playVideo = function() {
							player.api('play');
						};
						player.pauseVideo = function() {
							player.api('pause');
						};
                                                player.seekTo = function(seconds) {
                                                        player.api('seekTo', seconds);
                                                };
						function createEvent(player, pluginMediaElement, eventName, e) {
							var obj = {
								type: eventName,
								target: pluginMediaElement
							};
							if (eventName == 'timeupdate') {
								pluginMediaElement.currentTime = obj.currentTime = e.seconds;
								pluginMediaElement.duration = obj.duration = e.duration;
							}
							pluginMediaElement.dispatchEvent(obj.type, obj);
						}
						player.addEvent('play', function() {
							createEvent(player, pluginMediaElement, 'play');
							createEvent(player, pluginMediaElement, 'playing');
						});
						player.addEvent('pause', function() {
							createEvent(player, pluginMediaElement, 'pause');
						});

						player.addEvent('finish', function() {
							createEvent(player, pluginMediaElement, 'ended');
						});
						player.addEvent('playProgress', function(e) {
							createEvent(player, pluginMediaElement, 'timeupdate', e);
						});
						pluginMediaElement.pluginApi = player;

						// init mejs
						mejs.MediaPluginBridge.initPlugin(pluginid);

					});
				}
				else {
					console.warn("You need to include froogaloop for vimeo to work");
				}
				break;			
		}
		// hide original element
		htmlMediaElement.style.display = 'none';
		// prevent browser from autoplaying when using a plugin
		htmlMediaElement.removeAttribute('autoplay');

		// FYI: options.success will be fired by the MediaPluginBridge
		
		return pluginMediaElement;
	},

	updateNative: function(playback, options, autoplay, preload) {
		
		var htmlMediaElement = playback.htmlMediaElement,
			m;
		
		
		// add methods to video object to bring it into parity with Flash Object
		for (m in mejs.HtmlMediaElement) {
			htmlMediaElement[m] = mejs.HtmlMediaElement[m];
		}

		/*
		Chrome now supports preload="none"
		if (mejs.MediaFeatures.isChrome) {
		
			// special case to enforce preload attribute (Chrome doesn't respect this)
			if (preload === 'none' && !autoplay) {
			
				// forces the browser to stop loading (note: fails in IE9)
				htmlMediaElement.src = '';
				htmlMediaElement.load();
				htmlMediaElement.canceledPreload = true;

				htmlMediaElement.addEventListener('play',function() {
					if (htmlMediaElement.canceledPreload) {
						htmlMediaElement.src = playback.url;
						htmlMediaElement.load();
						htmlMediaElement.play();
						htmlMediaElement.canceledPreload = false;
					}
				}, false);
			// for some reason Chrome forgets how to autoplay sometimes.
			} else if (autoplay) {
				htmlMediaElement.load();
				htmlMediaElement.play();
			}
		}
		*/

		// fire success code
		options.success(htmlMediaElement, htmlMediaElement);
		
		return htmlMediaElement;
	}
};

/*
 - test on IE (object vs. embed)
 - determine when to use iframe (Firefox, Safari, Mobile) vs. Flash (Chrome, IE)
 - fullscreen?
*/

// YouTube Flash and Iframe API
mejs.YouTubeApi = {
	isIframeStarted: false,
	isIframeLoaded: false,
	loadIframeApi: function() {
		if (!this.isIframeStarted) {
			var tag = document.createElement('script');
			tag.src = "//www.youtube.com/player_api";
			var firstScriptTag = document.getElementsByTagName('script')[0];
			firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
			this.isIframeStarted = true;
		}
	},
	iframeQueue: [],
	enqueueIframe: function(yt) {
		
		if (this.isLoaded) {
			this.createIframe(yt);
		} else {
			this.loadIframeApi();
			this.iframeQueue.push(yt);
		}
	},
	createIframe: function(settings) {
		
		var
		pluginMediaElement = settings.pluginMediaElement,	
		player = new YT.Player(settings.containerId, {
			height: settings.height,
			width: settings.width,
			videoId: settings.videoId,
			playerVars: {controls:0},
			events: {
				'onReady': function() {
					
					// hook up iframe object to MEjs
					settings.pluginMediaElement.pluginApi = player;
					
					// init mejs
					mejs.MediaPluginBridge.initPlugin(settings.pluginId);
					
					// create timer
					setInterval(function() {
						mejs.YouTubeApi.createEvent(player, pluginMediaElement, 'timeupdate');
					}, 250);					
				},
				'onStateChange': function(e) {
					
					mejs.YouTubeApi.handleStateChange(e.data, player, pluginMediaElement);
					
				}
			}
		});
	},
	
	createEvent: function (player, pluginMediaElement, eventName) {
		var obj = {
			type: eventName,
			target: pluginMediaElement
		};

		if (player && player.getDuration) {
			
			// time 
			pluginMediaElement.currentTime = obj.currentTime = player.getCurrentTime();
			pluginMediaElement.duration = obj.duration = player.getDuration();
			
			// state
			obj.paused = pluginMediaElement.paused;
			obj.ended = pluginMediaElement.ended;			
			
			// sound
			obj.muted = player.isMuted();
			obj.volume = player.getVolume() / 100;
			
			// progress
			obj.bytesTotal = player.getVideoBytesTotal();
			obj.bufferedBytes = player.getVideoBytesLoaded();
			
			// fake the W3C buffered TimeRange
			var bufferedTime = obj.bufferedBytes / obj.bytesTotal * obj.duration;
			
			obj.target.buffered = obj.buffered = {
				start: function(index) {
					return 0;
				},
				end: function (index) {
					return bufferedTime;
				},
				length: 1
			};

		}
		
		// send event up the chain
		pluginMediaElement.dispatchEvent(obj.type, obj);
	},	
	
	iFrameReady: function() {
		
		this.isLoaded = true;
		this.isIframeLoaded = true;
		
		while (this.iframeQueue.length > 0) {
			var settings = this.iframeQueue.pop();
			this.createIframe(settings);
		}	
	},
	
	// FLASH!
	flashPlayers: {},
	createFlash: function(settings) {
		
		this.flashPlayers[settings.pluginId] = settings;
		
		/*
		settings.container.innerHTML =
			'<object type="application/x-shockwave-flash" id="' + settings.pluginId + '" data="//www.youtube.com/apiplayer?enablejsapi=1&amp;playerapiid=' + settings.pluginId  + '&amp;version=3&amp;autoplay=0&amp;controls=0&amp;modestbranding=1&loop=0" ' +
				'width="' + settings.width + '" height="' + settings.height + '" style="visibility: visible; " class="mejs-shim">' +
				'<param name="allowScriptAccess" value="always">' +
				'<param name="wmode" value="transparent">' +
			'</object>';
		*/

		var specialIEContainer,
			youtubeUrl = '//www.youtube.com/apiplayer?enablejsapi=1&amp;playerapiid=' + settings.pluginId  + '&amp;version=3&amp;autoplay=0&amp;controls=0&amp;modestbranding=1&loop=0';
			
		if (mejs.MediaFeatures.isIE) {
			
			specialIEContainer = document.createElement('div');
			settings.container.appendChild(specialIEContainer);
			specialIEContainer.outerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="//download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab" ' +
'id="' + settings.pluginId + '" width="' + settings.width + '" height="' + settings.height + '" class="mejs-shim">' +
	'<param name="movie" value="' + youtubeUrl + '" />' +
	'<param name="wmode" value="transparent" />' +
	'<param name="allowScriptAccess" value="always" />' +
	'<param name="allowFullScreen" value="true" />' +
'</object>';
		} else {
		settings.container.innerHTML =
			'<object type="application/x-shockwave-flash" id="' + settings.pluginId + '" data="' + youtubeUrl + '" ' +
				'width="' + settings.width + '" height="' + settings.height + '" style="visibility: visible; " class="mejs-shim">' +
				'<param name="allowScriptAccess" value="always">' +
				'<param name="wmode" value="transparent">' +
			'</object>';
		}		
		
	},
	
	flashReady: function(id) {
		var
			settings = this.flashPlayers[id],
			player = document.getElementById(id),
			pluginMediaElement = settings.pluginMediaElement;
		
		// hook up and return to MediaELementPlayer.success	
		pluginMediaElement.pluginApi = 
		pluginMediaElement.pluginElement = player;
		mejs.MediaPluginBridge.initPlugin(id);
		
		// load the youtube video
		player.cueVideoById(settings.videoId);
		
		var callbackName = settings.containerId + '_callback';
		
		window[callbackName] = function(e) {
			mejs.YouTubeApi.handleStateChange(e, player, pluginMediaElement);
		}
		
		player.addEventListener('onStateChange', callbackName);
		
		setInterval(function() {
			mejs.YouTubeApi.createEvent(player, pluginMediaElement, 'timeupdate');
		}, 250);
	},
	
	handleStateChange: function(youTubeState, player, pluginMediaElement) {
		switch (youTubeState) {
			case -1: // not started
				pluginMediaElement.paused = true;
				pluginMediaElement.ended = true;
				mejs.YouTubeApi.createEvent(player, pluginMediaElement, 'loadedmetadata');
				//createYouTubeEvent(player, pluginMediaElement, 'loadeddata');
				break;
			case 0:
				pluginMediaElement.paused = false;
				pluginMediaElement.ended = true;
				mejs.YouTubeApi.createEvent(player, pluginMediaElement, 'ended');
				break;
			case 1:
				pluginMediaElement.paused = false;
				pluginMediaElement.ended = false;				
				mejs.YouTubeApi.createEvent(player, pluginMediaElement, 'play');
				mejs.YouTubeApi.createEvent(player, pluginMediaElement, 'playing');
				break;
			case 2:
				pluginMediaElement.paused = true;
				pluginMediaElement.ended = false;				
				mejs.YouTubeApi.createEvent(player, pluginMediaElement, 'pause');
				break;
			case 3: // buffering
				mejs.YouTubeApi.createEvent(player, pluginMediaElement, 'progress');
				break;
			case 5:
				// cued?
				break;						
			
		}			
		
	}
}
// IFRAME
function onYouTubePlayerAPIReady() {
	mejs.YouTubeApi.iFrameReady();
}
// FLASH
function onYouTubePlayerReady(id) {
	mejs.YouTubeApi.flashReady(id);
}

window.mejs = mejs;
window.MediaElement = mejs.MediaElement;
