extensions/test/data/web_view/media_access/check/media_check_guest.html

   1 <!--
   2  * Copyright 2014 The Chromium Authors. All rights reserved.  Use of this
   3  * source code is governed by a BSD-style license that can be found in the
   4  * LICENSE file.
   5 -->
   6 <html>
   7   <head>
   8     <script type="text/javascript">
   9       // A guest that requests media sources, which in turn checks for media
  10       // access permission.
  11       // Notifies the embedder when done via post message. Note that the
  12       // embedder has to initiate a postMessage first so that guest has a
  13       // reference to the embedder's window.
  14
  15       // The window reference of the embedder to send post message reply.
  16       var embedderWindowChannel = null;
  17
  18       var notifyEmbedder = function(msg) {
  19         embedderWindowChannel.postMessage(msg, '*');
  20       };
  21
  22       var onSourceInfo = function(sources) {
  23         notifyEmbedder(JSON.stringify(['got-sources']));
  24       };
  25       var startTest = function() {
  26         MediaStreamTrack.getSources(onSourceInfo);
  27       };
  28       var onPostMessageReceived = function(e) {
  29         var data = JSON.parse(e.data);
  30         var testName = data[0];
  31         if (testName == 'get-sources-permission') {
  32           embedderWindowChannel = e.source;
  33
  34           // Start the test once we have |embedderWindowChannel|.
  35           startTest();
  36         }
  37       };
  38       window.addEventListener('message', onPostMessageReceived, false);
  39     </script>
  40   </head>
  41   <body>
  42     <div>
  43       This is a guest requests media sources, which will check for media
  44       access permission.
  45     </div>
  46   </body>
  47 </html>