1 function Player() {

     2 	

     3 	var events = {},

     4         self = this,

     5         loaded = false,

     6 //        tvWindow,

     7         destination = document.location.href.replace(/^(https?:\/\/[^\/]+).*$/,'$1'),

     8         timeAtLoad,

     9         timeDelta = 0,

    10         timeOut,

    11         playAtLoad = false;

    12     

    13     this.currentTime = 0;

    14     this.duration = 0;

    15     this.paused = true;

    16     

    17 	function receiveMessage(evt) {

    18 		var dataparts = evt.data.split(":");

    19 		loaded = true;

    20 		switch(dataparts[0]) {

    21 			case "loadedmetadata":

    22 				self.duration = parseFloat(dataparts[1]);

    23 				self.setCurrentTime(self.currentTime);

    24 				if (!self.paused) {

    25 					self.play();

    26 				}

    27 			break;

    28 			case "play":

    29 				self.paused = false;

    30 				self.trigger("play");

    31 			break;

    32 			case "pause":

    33 				self.paused = true;

    34 				self.trigger("pause");

    35 			break;

    36 			case "timeupdate":

    37 				self.currentTime = parseFloat(dataparts[1])

    38 				self.trigger("timeupdate", self.currentTime);

    39 			break;

    40 			case "unload":

    41 				loaded = false;

    42 				self.pause();

    43 			break;

    44 		}

    45 	}

    46 	

    47     function updateTime() {

    48     	clearTimeout(timeOut);

    49         if (!loaded && !self.paused) {

    50             self.currentTime = (new Date().valueOf() / 1000 - timeDelta);

    51             if (self.currentTime <= self.duration) {

    52                 self.trigger("timeupdate", self.currentTime);

    53                 timeOut = setTimeout(updateTime, 100);

    54             } else {

    55                 self.currentTime = self.duration;

    56                 self.pause();

    57             }

    58         }

    59     }

    60 	

    61 	function sendMessage(msg) {

    62 		if (tvWindow) {

    63 			tvWindow.postMessage(msg, destination);

    64 		}

    65 	}

    66 	

    67 	$(".tv").click(function() {

    68 		tvWindow = window.open("tv.html","TV","width=640,height=360,toolbar=0,location=0,status=0,titlebar=0");

    69 		window.addEventListener("message",receiveMessage,false);

    70 	});

    71 	

    72 	this.setCurrentTime = function(t) {

    73 		if (loaded) {

    74 			sendMessage("timeupdate:" + t);

    75 		} else {

    76         	timeDelta = (new Date().valueOf() / 1000 - t);

    77 			self.currentTime = t;

    78 			self.trigger("timeupdate",t);

    79 		}

    80 	}

    81 	this.play = function() {

    82 		if (loaded) {

    83 			sendMessage("play")

    84 		} else {

    85 	        self.paused = false;

    86 	        timeDelta = (new Date().valueOf() / 1000 - self.currentTime)

    87 	        self.trigger("play");

    88 	        updateTime();

    89 		}

    90 	}

    91 	this.pause = function() {

    92 		if (loaded) {

    93 			sendMessage("pause");

    94 		} else {

    95 			self.paused = true;

    96 			self.trigger("pause");

    97 		}

    98 	}

    99 	

   100 	this.on = function(_event, _callback) {

   101 	    if (typeof events[_event] === "undefined") {

   102 	        events[_event] = [];

   103 	    }

   104 	    events[_event].push(_callback);

   105 	}

   106 	this.off = function(_event, _callback) {

   107 	    if (typeof events[_event] !== "undefined") {

   108 	        events[_event] = _(events[_event]).reject(function(_fn) {

   109 	            return _fn === _callback;

   110 	        });

   111 	    }

   112 	}

   113 	this.trigger = function(_event, _data) {

   114 	    var _list = this;

   115 	    _(events[_event]).each(function(_callback) {

   116 	        _callback.call(_list, _data);

   117 	    });

   118 	}

   119 }