CyTube/player/youtube.coffee

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window.YouTubePlayer = class YouTubePlayer extends Player
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constructor: (data) ->
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if not (this instanceof YouTubePlayer)
return new YouTubePlayer(data)
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@setMediaProperties(data)
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@pauseSeekRaceCondition = false
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waitUntilDefined(window, 'YT', =>
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# Even after window.YT is defined, YT.Player may not be, which causes a
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# 'YT.Player is not a constructor' error occasionally
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waitUntilDefined(YT, 'Player', =>
removeOld()
@yt = new YT.Player('ytapiplayer',
videoId: data.id
playerVars:
autohide: 1
autoplay: 1
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controls: 1
iv_load_policy: 3 # iv_load_policy 3 indicates no annotations
rel: 0
events:
onReady: @onReady.bind(this)
onStateChange: @onStateChange.bind(this)
)
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)
)
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load: (data) ->
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@setMediaProperties(data)
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if @yt and @yt.ready
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@yt.loadVideoById(data.id, data.currentTime)
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else
console.error('WTF? YouTubePlayer::load() called but yt is not ready')
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onReady: ->
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@yt.ready = true
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@setVolume(VOLUME)
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onStateChange: (ev) ->
# If you pause the video before the first PLAYING
# event is emitted, weird things happen (or at least that was true
# whenever this comment was authored in 2015).
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if ev.data == YT.PlayerState.PLAYING and @pauseSeekRaceCondition
@pause()
@pauseSeekRaceCondition = false
if (ev.data == YT.PlayerState.PAUSED and not @paused) or
(ev.data == YT.PlayerState.PLAYING and @paused)
@paused = (ev.data == YT.PlayerState.PAUSED)
if CLIENT.leader
sendVideoUpdate()
if ev.data == YT.PlayerState.ENDED and CLIENT.leader
socket.emit('playNext')
play: ->
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@paused = false
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if @yt and @yt.ready
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@yt.playVideo()
pause: ->
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@paused = true
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if @yt and @yt.ready
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@yt.pauseVideo()
seekTo: (time) ->
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if @yt and @yt.ready
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@yt.seekTo(time, true)
setVolume: (volume) ->
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if @yt and @yt.ready
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if volume > 0
# If the player is muted, even if the volume is set,
# the player remains muted
@yt.unMute()
@yt.setVolume(volume * 100)
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setQuality: (quality) ->
# https://github.com/calzoneman/sync/issues/726
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getTime: (cb) ->
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if @yt and @yt.ready
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cb(@yt.getCurrentTime())
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else
cb(0)
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getVolume: (cb) ->
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if @yt and @yt.ready
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if @yt.isMuted()
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cb(0)
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else
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cb(@yt.getVolume() / 100)
else
cb(VOLUME)