third_party/WebKit/LayoutTests/media/video-preload.html

   1 <!DOCTYPE HTML>
   2
   3 <html>
   4     <head>
   5         <script src=media-file.js></script>
   6         <script src=video-test.js></script>
   7
   8         <script>
   9             var timer = null;
  10             var movieInfo =
  11             {
  12                 current : -1,
  13                 movies :
  14                 [
  15                     {
  16                         // should not buffer, 'preload' is 'none'
  17                         preload : "none",
  18                         shouldBuffer : false,
  19                         autoPlay : false,
  20                         playInsteadOfLoad : false,
  21                         description : "until 'play()' is called",
  22                     },
  23                     {
  24                         // should buffer, because load() is called.
  25                         preload : "none",
  26                         shouldBuffer : true,
  27                         autoPlay : false,
  28                         playInsteadOfLoad : false,
  29                         description : "because 'load()' is called",
  30                     },
  31                     {
  32                         // should buffer, because play() is called.
  33                         preload : "none",
  34                         shouldBuffer : true,
  35                         autoPlay : false,
  36                         playInsteadOfLoad : true,
  37                         description : "because 'play()' is called",
  38                     },
  39                     {
  40                         preload : "metadata",
  41                         shouldBuffer : true,
  42                         autoPlay : false,
  43                         playInsteadOfLoad : false,
  44                         description : "",
  45                     },
  46                     {
  47                         preload : "auto",
  48                         shouldBuffer : true,
  49                         autoPlay : false,
  50                         playInsteadOfLoad : false,
  51                         description : "",
  52                     },
  53                     {
  54                         // should buffer because 'autoplay' is set
  55                         preload : "none",
  56                         shouldBuffer : true,
  57                         autoPlay : true,
  58                         playInsteadOfLoad : false,
  59                         description : " because of 'autoplay'",
  60                     },
  61                 ]
  62             };
  63             var timer = null;
  64
  65             function checkLoad()
  66             {
  67                 var movie = movieInfo.movies[movieInfo.current];
  68
  69                 logResult(true, "did not buffer automatically");
  70
  71                 // start playback, which should force data to load
  72                 movie.shouldBuffer = true;
  73                 run("video.play()");
  74             }
  75
  76             function loadedmetadata()
  77             {
  78                 var movie = movieInfo.movies[movieInfo.current];
  79
  80                 clearTimeout(timer);
  81                 logResult(movie.shouldBuffer, "buffered automatically");
  82                 openNextMovie();
  83             }
  84
  85             function setupAttribute(attr, value)
  86             {
  87                 if (value)
  88                     run("video.setAttribute('" + attr + "', '" + value + "')");
  89                 else
  90                     run("video.removeAttribute('" + attr + "')");
  91             }
  92
  93             function openNextMovie()
  94             {
  95                 consoleWrite("");
  96
  97                 movieInfo.current++;
  98                 if (movieInfo.current >= movieInfo.movies.length)
  99                 {
 100                     endTest();
 101                     return;
 102                 }
 103
 104                 var movie = movieInfo.movies[movieInfo.current];
 105                 var url = findMediaFile("video", "content/test");
 106                 var desc = "Will load with <em>'preload=" + movie.preload + "'</em>"
 107                             + ", <b>should" + (movie.shouldBuffer ? "" : " not") + " </b> buffer automatically "
 108                             + movie.description;
 109                 consoleWrite(desc);
 110
 111                 setupAttribute('preload', movie.preload);
 112                 setupAttribute('autoplay', movie.autoPlay);
 113
 114                 video.src = url;
 115                 if (movieInfo.current > 0) {
 116                     if (movie.playInsteadOfLoad) {
 117                         run("video.play()");
 118                     } else {
 119                         run("video.load()");
 120                     }
 121                 }
 122                 if (!movie.shouldBuffer)
 123                     timer = setTimeout(checkLoad, 200);
 124             }
 125
 126             function start()
 127             {
 128                 findMediaElement();
 129
 130                 waitForEvent("error");
 131                 waitForEvent("loadstart");
 132                 waitForEvent("play");
 133                 waitForEvent('loadedmetadata', loadedmetadata);
 134
 135                 openNextMovie();
 136             }
 137
 138         </script>
 139     </head>
 140
 141     <body onload="start()">
 142         <p>Test to see if media loads automatically when 'preload' is specified.</p>
 143         <video controls ></video>
 144     </body>
 145 </html>