LayoutTests/accessibility/loading-iframe-sends-notification.html

   1 <html>
   2 <head>
   3 <link rel="stylesheet" href="../fast/js/resources/js-test-style.css">
   4 <script src="../fast/js/resources/js-test-pre.js"></script>
   5 </head>
   6 <body>
   7
   8 <p>Before</p>
   9
  10 <iframe id="iframe" title="InnerFrame"></iframe>
  11
  12 <p>After</p>
  13
  14 <p>End of test</p>
  15
  16 <p id="description"></p>
  17 <div id="console"></div>
  18
  19 <script>
  20     description("This tests that when an iframe finishes loading, it sends a notification.");
  21
  22     if (window.testRunner)
  23         testRunner.waitUntilDone();
  24
  25     window.jsTestIsAsync = true;
  26
  27     // Recursively search the entire accessibility tree starting at the given
  28     // AccessibilityUIElement (inclusive) and return the element whose title
  29     // contains the given string. This makes it possible to find a node even
  30     // when there are platform differences in the tree, i.e. due to different
  31     // nodes being ignored.
  32     function findByAccessibleTitleSubstring(startElement, titleSubstring)
  33     {
  34         if (startElement.title.indexOf(titleSubstring) >= 0)
  35             return startElement;
  36
  37         for (var i = 0; i < startElement.childrenCount; i++) {
  38             var found = findByAccessibleTitleSubstring(startElement.childAtIndex(i), titleSubstring);
  39             if (found)
  40                 return found;
  41         }
  42
  43         return null;
  44     }
  45
  46     function runTest()
  47     {
  48         window.gotIframeNotification = false;
  49
  50         if (window.accessibilityController) {
  51             window.root = accessibilityController.rootElement;
  52
  53             // Initially, the iframe should not be loaded, so we shouldn't be able to find this button.
  54             shouldBeFalse("findByAccessibleTitleSubstring(root, 'InnerButton') != null");
  55
  56             window.accessibilityController.addNotificationListener(function (target, notification) {
  57                 // Ignore this notification if it's not on the iframe.
  58                 if (target.description.indexOf("InnerFrame") == -1)
  59                     return;
  60
  61                 debug("Got notification on iframe.");
  62                 gotIframeNotification = true;
  63
  64                 // Check that the button within the iframe is now reachable from the root.
  65                 shouldBeTrue("findByAccessibleTitleSubstring(root, 'InnerButton') != null");
  66             });
  67         }
  68
  69         window.iframeElement = document.getElementById("iframe");
  70         iframeElement.addEventListener("load", function() {
  71             window.setTimeout(function() {
  72                 shouldBeTrue("gotIframeNotification");
  73                 if (window.accessibilityController)
  74                     accessibilityController.removeNotificationListener();
  75
  76                 finishJSTest();
  77             }, 10);
  78         }, false);
  79
  80         // Load content into the iframe. This will trigger the event
  81         // handler above, which will check that the accessibility tree
  82         // was updated with new content.
  83         window.iframeElement.src = "data:text/html,<body><button>InnerButton</button></body>";
  84     }
  85
  86     window.addEventListener('load', function() {
  87         setTimeout(runTest, 10);
  88     }, false);
  89
  90 </script>
  91
  92 <script src="../fast/js/resources/js-test-post.js"></script>
  93 </body>
  94 </html>