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11
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function Player() { |
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3 |
var events = {}, |
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self = this, |
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loaded = false, |
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// tvWindow, |
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destination = document.location.href.replace(/^(https?:\/\/[^\/]+).*$/,'$1'), |
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timeAtLoad, |
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timeDelta = 0, |
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timeOut, |
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playAtLoad = false; |
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12 |
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this.currentTime = 0; |
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this.duration = 0; |
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this.paused = true; |
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16 |
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function receiveMessage(evt) { |
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var dataparts = evt.data.split(":"); |
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loaded = true; |
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switch(dataparts[0]) { |
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case "loadedmetadata": |
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self.duration = parseFloat(dataparts[1]); |
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self.setCurrentTime(self.currentTime); |
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if (!self.paused) { |
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self.play(); |
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} |
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break; |
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case "play": |
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self.paused = false; |
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self.trigger("play"); |
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break; |
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case "pause": |
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self.paused = true; |
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self.trigger("pause"); |
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break; |
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case "timeupdate": |
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self.currentTime = parseFloat(dataparts[1]) |
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self.trigger("timeupdate", self.currentTime); |
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break; |
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case "unload": |
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loaded = false; |
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self.pause(); |
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break; |
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} |
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} |
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46 |
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function updateTime() { |
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clearTimeout(timeOut); |
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if (!loaded && !self.paused) { |
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self.currentTime = (new Date().valueOf() / 1000 - timeDelta); |
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if (self.currentTime <= self.duration) { |
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self.trigger("timeupdate", self.currentTime); |
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timeOut = setTimeout(updateTime, 100); |
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} else { |
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self.currentTime = self.duration; |
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self.pause(); |
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} |
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} |
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} |
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60 |
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function sendMessage(msg) { |
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if (tvWindow) { |
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tvWindow.postMessage(msg, destination); |
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} |
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} |
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66 |
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$(".tv").click(function() { |
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tvWindow = window.open("tv.html","TV","width=640,height=360,toolbar=0,location=0,status=0,titlebar=0"); |
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window.addEventListener("message",receiveMessage,false); |
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}); |
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71 |
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this.setCurrentTime = function(t) { |
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if (loaded) { |
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sendMessage("timeupdate:" + t); |
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} else { |
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timeDelta = (new Date().valueOf() / 1000 - t); |
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self.currentTime = t; |
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self.trigger("timeupdate",t); |
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} |
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} |
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this.play = function() { |
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if (loaded) { |
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sendMessage("play") |
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} else { |
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self.paused = false; |
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timeDelta = (new Date().valueOf() / 1000 - self.currentTime) |
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self.trigger("play"); |
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updateTime(); |
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} |
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} |
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this.pause = function() { |
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if (loaded) { |
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sendMessage("pause"); |
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} else { |
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self.paused = true; |
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self.trigger("pause"); |
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} |
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} |
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99 |
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this.on = function(_event, _callback) { |
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if (typeof events[_event] === "undefined") { |
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events[_event] = []; |
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} |
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events[_event].push(_callback); |
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} |
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this.off = function(_event, _callback) { |
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if (typeof events[_event] !== "undefined") { |
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events[_event] = _(events[_event]).reject(function(_fn) { |
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return _fn === _callback; |
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}); |
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} |
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} |
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this.trigger = function(_event, _data) { |
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var _list = this; |
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_(events[_event]).each(function(_callback) { |
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_callback.call(_list, _data); |
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}); |
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} |
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} |