The Tor Browser: accessible/tests/mochitest/events/docload

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <html>

     2 <head>

     3   <title>Accessible events testing for document</title>

     4   <script>

     5     const STATE_BUSY = Components.interfaces.nsIAccessibleStates.STATE_BUSY;

     7     var gRetrieval = null;

     8     function waitForDocLoad()

     9     {

    10       if (!gRetrieval) {

    11         gRetrieval = Components.classes["@mozilla.org/accessibleRetrieval;1"].

    12          getService(Components.interfaces.nsIAccessibleRetrieval);

    13       }

    15       var accDoc = gRetrieval.getAccessibleFor(document);

    17       var state = {};

    18       accDoc.getState(state, {});

    19       if (state.value & STATE_BUSY) {

    20         window.setTimeout(waitForDocLoad, 0);

    21         return;

    22       }

    24       hideIFrame();

    25     }

    27     function hideIFrame()

    28     {

    29       var iframe = document.getElementById("iframe");

    30       gRetrieval.getAccessibleFor(iframe.contentDocument);

    31       iframe.style.display = 'none';

    32     }

    33   </script>

    34 </head>

    36 <body onload="waitForDocLoad();">

    37   <iframe id="iframe"></iframe>

    38 </body>

    39 </html>

The Tor Browser / file revision