ManualTests/media-default-playback-rate.html

   1
   2 <html>
   3     <head>
   4         <!-- LayoutTests location is hard-coded to avoid duplication of code. -->
   5         <script src="http://svn.webkit.org/repository/webkit/trunk/LayoutTests/media/media-file.js"></script>
   6         <script src="http://svn.webkit.org/repository/webkit/trunk/LayoutTests/media/video-test.js"></script>
   7
   8         <script>
   9             var expectedRates = { "defaultPlaybackRate" : 1, "playbackRate" : 1};
  10             var playingFromScript = false;
  11             var changedRate = false;
  12
  13             function absoluteUrl(url)
  14             {
  15                 var a = document.createElement('a');
  16                 a.href = url;
  17                 return a.href;
  18             }
  19
  20             function testRates()
  21             {
  22                 consoleWrite("");
  23                 var playWithControllerButton = !changedRate && !playingFromScript;
  24                 testExpected("video.playbackRate", playWithControllerButton ? expectedRates['defaultPlaybackRate'] : expectedRates['playbackRate']);
  25                 testExpected("video.defaultPlaybackRate", expectedRates['defaultPlaybackRate']);
  26                 changedRate = false;
  27             }
  28
  29             function playing()
  30             {
  31                 consoleWrite("<br>'playing' event");
  32                 expectedRates['playbackRate'] = playingFromScript ? video.playbackRate : video.defaultPlaybackRate;
  33                 testRates();
  34                 playingFromScript = false;
  35             }
  36
  37             function ratechange()
  38             {
  39                 consoleWrite("<br>'ratechange' event");
  40                 testRates();
  41             }
  42
  43             function start()
  44             {
  45                 findMediaElement();
  46                 video.addEventListener('ratechange', ratechange);
  47                 video.addEventListener('playing', playing);
  48
  49                 // Use the video file from the svn repository to avoid duplicating the file.
  50                 video.src = absoluteUrl(findMediaFile('video', 'http://svn.webkit.org/repository/webkit/trunk/LayoutTests/media/content/test'));
  51                 testRates();
  52             }
  53
  54             function play()
  55             {
  56                 playingFromScript = true;
  57                 video.play();
  58             }
  59
  60             function setRate(which, rate)
  61             {
  62                 changedRate = true;
  63                 video[which] = rate;
  64                 expectedRates[which] = rate;
  65             }
  66
  67         </script>
  68     </head>
  69
  70     <body onload="start()">
  71
  72         <video controls > </video>
  73         <ul>
  74             <li>The current 'playbackRate' and 'defaultPlaybackRate' should be logged every time either changes.</li>
  75             <li>'playbackRate' should be set to 'defaultPlaybackRate' when the Play button in the built-in controls is pressed</li>
  76             <li>'playbackRate' should NOT when play() is called from script.</li>
  77         </ul>
  78         <div>
  79             <button id="controls" onclick="setRate('defaultPlaybackRate', 2)">defaultPlaybackRate = 2</button>
  80             <button id="controls" onclick="setRate('defaultPlaybackRate', 1)">defaultPlaybackRate = 1</button>
  81             <button id="controls" onclick="setRate('playbackRate', 2)">playbackRate = 2</button>
  82             <button id="controls" onclick="setRate('playbackRate', 1)">playbackRate = 1</button>
  83         </div>
  84         <div>
  85             <button id="controls" onclick="play()">play()</button>
  86             <button id="controls" onclick="video.pause()">pause()</button>
  87         </div>
  88         <br>
  89     </body>
  90 </html>