Make sure video is working in sequence module

static/coffee/src/courseware.coffee

@@ -4,12 +4,17 @@ class window.Courseware
     new Calculator
     new FeedbackForm
     Logger.bind()
-    @renderModules()
+    @bind()
+    @render()
 
   @start: ->
     new Courseware
 
-  renderModules: ->
+  bind: ->
+    if $('#seq_content').length
+      $('#seq_content').change @render
+
+  render: ->
     $('.course-content .video').each ->
       id = $(this).attr('id').replace(/video_/, '')
       new Video id, $(this).data('streams')

templates/coffee/src/modules/sequence.coffee

@@ -6,6 +6,7 @@ class window.Sequence
 
   bind: ->
     $('#sequence-list a').click @goto
+    $('#seq_content').change @toggleArrows
 
   buildNavigation: ->
     $.each @elements, (index, item) ->
@@ -14,7 +15,7 @@ class window.Sequence
       list_item = $('<li>').append(link.append(title))
       $('#sequence-list').append list_item
 
-  toggleArrows: ->
+  toggleArrows: =>
     $('.sequence-nav-buttons a').unbind('click')
 
     if @position == 1
@@ -38,7 +39,7 @@ class window.Sequence
 
       MathJax.Hub.Queue(["Typeset",MathJax.Hub])
       @position = new_position
-      @toggleArrows()
+      $('#seq_content').change()
 
   goto: (event) =>
     event.preventDefault()

templates/coffee/src/modules/video.coffee

 class Video
   constructor: (@id, videos) ->
+    window.player = null
     @element = $("#video_#{@id}")
     @parseVideos videos
-    @fetchMetadata()
-    @parseSpeed()
     $("#video_#{@id}").data('video', this)
-    window.onYouTubePlayerAPIReady = =>
-      $('.course-content .video').each ->
-        $(this).data('video').embed()
+
+    if YT.Player
+      @embed()
+    else
+      window.onYouTubePlayerAPIReady = =>
+        $('.course-content .video').each ->
+          $(this).data('video').embed()
 
   youtubeId: (speed)->
     @videos[speed || @speed]
@@ -18,6 +21,8 @@ class Video
       video = video.split(/:/)
       speed = parseFloat(video[0]).toFixed(2).replace /\.00$/, '.0'
       @videos[speed] = video[1]
+    @fetchMetadata()
+    @parseSpeed()
 
   parseSpeed: ->
     @setSpeed($.cookie('video_speed'))

templates/coffee/src/modules/video/video_player.coffee

@@ -63,12 +63,14 @@ class VideoPlayer
         $(@).trigger('ended')
 
   onPlay: =>
+    Logger.log 'play_video', id: @currentTime, code: @player.getVideoEmbedCode()
     window.player.pauseVideo() if window.player && window.player != @player
     window.player = @player
     unless @player.interval
       @player.interval = setInterval(@update, 200)
 
   onPause: =>
+    Logger.log 'pause_video', id: @currentTime, code: @player.getVideoEmbedCode()
     window.player = null if window.player == @player
     clearInterval(@player.interval)
     @player.interval = null