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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
/*global require,exports,YT */
var Montage = require("montage").Montage,
Component = require("ui/component").Component;
var YoutubePlayer = exports.YoutubePlayer = Montage.create(Component, {
// Stores a queue of function calls to make on the player in the draw
// function
_playerQueue: {
enumerable: false,
value: []
},
_ready: {
enumerable: false,
value: false
},
_player: {
enumerable: false,
value: null
},
player: {
get: function() {
return this._player;
},
set: function(value) {
if (this._player !== value) {
this._player = value;
}
}
},
_autoplay: {
enumerable: false,
value: false
},
autoplay: {
get: function() {
return this._autoplay;
},
set: function(value) {
if (this._autoplay !== value) {
this._autoplay = value;
}
}
},
_videoId: {
enumerable: false,
value: null
},
videoId: {
get: function() {
return this._videoId;
},
set: function(value) {
if (this._videoId !== value) {
// TODO handle URLs as well
this._videoId = value;
// If the video isn't in the playlist, clear the playlist,
if (this._playlist && this._playlist.indexOf(value) === -1) {
this._playlist = null;
}
// TODO if the video is in the playlist use playVideoAt
if (this._autoplay) {
this._playerQueue.push(["loadVideoById", value]);
} else {
this._playerQueue.push(["cueVideoById", value]);
}
this.needsDraw = true;
}
}
},
_playlist: {
enumerable: false,
value: null
},
playlist: {
get: function() {
return this._playlist;
},
set: function(value) {
if (this._playlist !== value) {
this._playlist = value;
if (this._autoplay) {
this._playerQueue.push(["loadPlaylist", value]);
} else {
this._playerQueue.push(["cuePlaylist", value]);
}
this.needsDraw = true;
}
}
},
play: {
value: function() {
this._playerQueue.push("playVideo");
this.needsDraw = true;
}
},
pause: {
value: function() {
this._playerQueue.push("pauseVideo");
this.needsDraw = true;
}
},
stop: {
value: function() {
this._playerQueue.push("stopVideo");
this.needsDraw = true;
}
},
prepareForDraw: {
value: function() {
// Create the callback if it doesn't exist, and make it dispatch
// an event on the document instead
if (!window.onYouTubePlayerAPIReady) {
window.onYouTubePlayerAPIReady = function() {
var event = document.createEvent("CustomEvent");
event.initEvent("youtubePlayerApiReady", true, true);
document.dispatchEvent(event);
};
}
this._element.src += (this._videoId ? "/" + this._videoId : "") + "?enablejsapi=1";
if (typeof YT !== "undefined" && YT.Player) {
this.handleYoutubePlayerApiReady();
} else {
document.addEventListener("youtubePlayerApiReady", this, false);
}
}
},
handleYoutubePlayerApiReady: {
value: function(event) {
console.log("handleYoutubePlayerApiReady");
document.removeEventListener("youtubePlayerApiReady", this);
var self = this;
this.player = new YT.Player(this._element, { events: {
onReady: function(event) {
self._ready = true;
self.needsDraw = true;
}
}});
}
},
draw: {
value: function() {
if (!this._ready) {
return;
}
for (var i = 0, len = this._playerQueue.length; i < len; i++) {
var fnName, args;
if (typeof this._playerQueue[i] === "string") {
fnName = this._playerQueue[i];
args = [];
} else {
fnName = this._playerQueue[i].shift();
args = this._playerQueue[i];
}
this._player[fnName].apply(this._player, args);
}
this._playerQueue.length = 0;
}
}
});
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