Copied autoplay attribute from video xmoudle to videoalpha. Now students will…

Copied autoplay attribute from video xmoudle to videoalpha. Now students will have the video autoplaying, and in Studio it will be pause by default.

common/lib/xmodule/xmodule/js/src/videoalpha/display/video_player.coffee

@@ -99,7 +99,7 @@ class @VideoPlayerAlpha extends SubviewAlpha
     @video.log 'load_video'
     if @video.videoType is 'html5'
       @player.setPlaybackRate @video.speed
-    unless onTouchBasedDevice()
+    unless onTouchBasedDevice() or $('.video:first').data('autoplay') == 'False'
       $('.video-load-complete:first').data('video').player.play()
 
   onStateChange: (event) =>

lms/templates/videoalpha.html

@@ -18,6 +18,7 @@
       data-start="${start}"
       data-end="${end}"
       data-caption-asset-path="${caption_asset_path}"
+      data-autoplay="${settings.MITX_FEATURES['AUTOPLAY_VIDEOS']}"
   >
     <div class="tc-wrapper">
       <article class="video-wrapper">