Add twitch player

player/twitch.coffee

@@ -0,0 +1,50 @@
+window.twitchEventCallback = (events) ->
+    if not (PLAYER instanceof TwitchPlayer)
+        return false
+
+    events.forEach((event) ->
+        if event.event == 'playerInit'
+            PLAYER.twitch.unmute()
+            PLAYER.twitch.ready = true
+    )
+
+window.TwitchPlayer = class TwitchPlayer extends Player
+    constructor: (data) ->
+        if not (this instanceof TwitchPlayer)
+            return new TwitchPlayer(data)
+
+        @load(data)
+
+    load: (data) ->
+        @setMediaProperties(data)
+
+        object = $('<object/>').attr(
+            # NOTE: Must be protocol-relative or else flash throws errors when
+            # you try to call API functions.
+            data: '//www-cdn.jtvnw.net/swflibs/TwitchPlayer.swf'
+            type: 'application/x-shockwave-flash'
+        )
+        $('<param/>').attr(
+            name: 'allowScriptAccess'
+            value: 'always'
+        ).appendTo(object)
+        $('<param/>').attr(
+            name: 'allowFullScreen'
+            value: 'true'
+        ).appendTo(object)
+        # NOTE: start_volume can be used to set the initial player volume,
+        # however it is impossible to manipulate or query it from the player
+        # later.
+        $('<param/>').attr(
+            name: 'flashvars'
+            value: "embed=1&\
+                hostname=localhost&\
+                channel=#{data.id}&
+                eventsCallback=twitchEventCallback&\
+                auto_play=true&\
+                start_volume=#{Math.floor(VOLUME * 100)}"
+        ).appendTo(object)
+
+        removeOld(object)
+
+        @twitch = object[0]

player/update.coffee

@@ -6,6 +6,7 @@ TYPE_MAP =
     gp: VideoJSPlayer
     sc: SoundCloudPlayer
     li: LivestreamPlayer
+    tw: TwitchPlayer
 
 window.loadMediaPlayer = (data) ->
     if data.type of TYPE_MAP