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83 lines
2.3 KiB
HTML
83 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=434464
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-->
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<head>
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<title>Test NSIAccessNode cache invalidation</title>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
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<script type="application/javascript"
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src="chrome://mochikit/content/MochiKit/packed.js"></script>
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<script type="application/javascript"
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src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript"
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src="chrome://mochikit/content/a11y/accessible/common.js"></script>
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<script type="application/javascript">
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function doTest()
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{
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var parentElm = getNode("parent");
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if (!parentElm) {
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SimpleTest.finish();
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return;
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}
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var elm = getNode("para");
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if (!elm) {
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SimpleTest.finish();
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return;
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}
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// It's currently hidden. Ask for its parent's nsIAccessNode.
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var parentElmAccNode = getAccessible(parentElm, [nsIAccessNode]);
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if (!parentElmAccNode) {
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SimpleTest.finish();
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return;
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}
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// Get the paragraph's accessNode.
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var elmAccNode = null;
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try {
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elmAccNode = parentElmAccNode.firstChildNode;
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} catch(e) {}
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if (!elmAccNode) {
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ok(false, "No accessNode for hidden paragraph!");
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SimpleTest.finish();
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return;
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}
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// Now make the paragraph visible. This invalidates the just-retrieved
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// AccessNode. An nsIAccessible should then be retrievable.
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elm.style.display = "block";
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// Now, get an accessible for it. Use a timeout so the layout engine can
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// catch up.
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window.setTimeout(
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function()
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{
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var elmAcc = getAccessible(elm);
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ok(elmAcc, "No accessible for paragraph after it became visible!");
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SimpleTest.finish();
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},
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200);
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}
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SimpleTest.waitForExplicitFinish();
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addA11yLoadEvent(doTest);
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</script>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=434464">Mozilla Bug 434464</a>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test">
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</pre>
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<div id="parent"><p style="display: none;" id="para">I'm hidden initially, but then made visible.</p></div>
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</body>
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</html>
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