gecko/accessible/tests/mochitest/events/docload_wnd.html

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<html>
<head>
<title>Accessible events testing for document</title>
<script>
const STATE_BUSY = Components.interfaces.nsIAccessibleStates.STATE_BUSY;
var gRetrieval = null;
function waitForDocLoad()
{
if (!gRetrieval) {
gRetrieval = Components.classes["@mozilla.org/accessibleRetrieval;1"].
getService(Components.interfaces.nsIAccessibleRetrieval);
}
var accDoc = gRetrieval.getAccessibleFor(document);
var state = {};
accDoc.getState(state, {});
if (state.value & STATE_BUSY) {
window.setTimeout(waitForDocLoad, 0);
return;
}
hideIFrame();
}
function hideIFrame()
{
var iframe = document.getElementById("iframe");
gRetrieval.getAccessibleFor(iframe.contentDocument);
iframe.style.display = 'none';
}
</script>
</head>
<body onload="waitForDocLoad();">
<iframe id="iframe"></iframe>
</body>
</html>