/
YouTubePlayer.js
205 lines (179 loc) · 6.38 KB
/
YouTubePlayer.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
function YouTubePlayer() {
this.prototype = new AbstractPlayer();
var self = this;
self.initialized = false;
self.type = 'youtube';
self.player = null;
self.view = null;
self.loadedNewVideo = false;
self.currentVideo = null;
self.inFullScreen = false;
self.defaultWidth = $('#left .players').width();
self.defaultHeight = $('#left .players').height();
self.qualitySet = false;
/* Init the player */
self.init = function(callback) {
var videoId = 'cpvty-isRCk',
origin = document.location.origin || document.location.protocol + '//' + document.location.host;
if (callback === null || callback === undefined) {
callback = function() { console.log("YouTube player loaded"); };
}
/* First argument is a DOM id */
self.player = new YT.Player('youtube', {
height: self.defaultHeight,
width: self.defaultWidth,
videoId: videoId,
enablejsapi: 1,
modestbranding: 1,
origin: origin,
playerVars: { 'autoplay': 0, 'controls': 0, 'wmode': 'opaque' },
events: {
'onReady': function(data) {
self.initialized = true;
/* Must be set onReady because the div is replaced with an iFrame */
self.view = $('#youtube');
if (callback) {
callback();
}
},
'onStateChange': self.onPlayerStateChange,
'onError': self.onError
}
});
// EventSystem.callEventListeners('player_error', [self, errorMessage]);
};
/* Hide the player from the UI. Must be callable without prior init */
self.hide = function() {
$('#youtube').css('left', '-100000px');
};
/* Show the player. Must be callable without prior init */
self.show = function() {
$('#youtube').css('left', '0px');
};
/* Player changed state */
self.onPlayerStateChange = function(event) {
if (event === null || event === undefined ||
event.data === null || event.data === undefined) {
return;
}
/* unstarted (-1), ended (0), playing (1), paused (2), buffering (3), video cued (5) */
switch (event.data) {
case YT.PlayerState.BUFFERING:
if (!self.qualitySet) {
event.target.setPlaybackQuality(new Settings().quality);
self.qualitySet = true;
}
break;
case 0:
self.currentVideo = null;
EventSystem.callEventListeners('video_played_to_end', self);
break;
case 1:
if (self.loadedNewVideo) {
self.loadedNewVideo = false;
EventSystem.callEventListeners('video_started_playing_successfully', self.currentVideo);
} else {
EventSystem.callEventListeners('backend_played_video', self.currentVideo);
}
break;
case 2:
EventSystem.callEventListeners('backend_paused_video', self.currentVideo);
break;
case 3:
// Avoid buffer hang at end (rare)
var pos = self.player.getCurrentTime();
var len = self.player.getDuration();
if (pos > len-2.0 && len > 0) {
EventSystem.callEventListeners('video_played_to_end', self);
}
break;
default:
break;
}
};
/* An error occurred */
self.onError = function(event) {
console.log("YouTube player reported an error", event);
if (self.currentVideo) {
EventSystem.callEventListeners('video_failed_to_play', self.currentVideo);
}
};
/* Start (or if video is null resume) playback of a video */
self.play = function(video) {
var quality = new Settings().quality || 'hd720';
if (video) {
self.qualitySet = false;
self.loadedNewVideo = true;
self.currentVideo = video;
self.player.loadVideoById(video.videoId, 0, quality);
} else {
self.player.playVideo();
}
};
/* Stops the current video */
self.stop = function() {
if (self.player) {
self.player.stopVideo();
self.currentVideo = null;
}
};
/* Pauses the current video */
self.pause = function() {
self.player.pauseVideo();
};
/* Enter fullScreen (must respect self.show() & self.hide()) */
self.fullScreenOn = function() {
var width = $(window).width(),
height = $(window).height() - 10;
if (self.view === null || self.view.left < 0) {
return;
}
/* Must set style, not class */
$('#left .players').css('top',0);
self.view.width(width);
self.view.height(height);
self.inFullScreen = true;
};
/* Exit fullScreen (must respect self.show() & self.hide()) */
self.fullScreenOff = function() {
if (self.view === null || self.view.left < 0) {
return;
}
/* Must set style, not class */
$('#left .players').removeAttr('style');
$('#left .players .youtube').css('pointer-events', 'all');
self.view.width(self.defaultWidth);
self.view.height(self.defaultHeight);
self.inFullScreen = false;
};
/* Set volume (0-100) */
self.setVolume = function(volume) {
if (self.player && self.player.setVolume) {
self.player.setVolume(volume);
}
};
/* Get volume (0-100) */
self.getVolume = function() {
return self.player.getVolume();
};
/* Seek to time (seconds) in video */
self.seekTo = function(time) {
if (self.currentVideo) {
self.player.seekTo(time, true);
}
};
/* Returns the current playback position in seconds */
self.getCurrentPlaybackTime = function() {
if (self.currentVideo) {
return self.player.getCurrentTime();
}
return 0;
};
/* Returns the length of the video in seconds */
self.getTotalPlaybackTime = function() {
if (self.currentVideo) {
return self.player.getDuration();
}
return 0;
};
}