56 lines
1.3 KiB
HTML
56 lines
1.3 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<style type="text/css" media="screen">
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#box {
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height: 170px;
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width: 320px;
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float: left;
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margin-top: 55px;
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background-color: silver;
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will-change: transform;
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}
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#overlay {
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position: absolute;
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width: 150px;
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height: 50px;
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top: 5px;
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left: 5px;
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background-color: rgba(0, 128, 0, 0.9);
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}
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pre {
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clear: both;
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}
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</style>
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<script type="text/javascript" charset="utf-8">
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if (window.testRunner) {
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testRunner.dumpAsText();
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testRunner.waitUntilDone();
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}
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function doTest()
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{
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// Need to wait for compositing layers to be updated.
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window.setTimeout(function() {
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document.getElementById('overlay').style.height = '150px';
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if (window.testRunner) {
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testRunner.displayAndTrackRepaints(); // Painting has to happen to detect overlap.
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document.getElementById('layers').innerHTML = window.internals.layerTreeAsText(document);
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testRunner.notifyDone();
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}
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}, 0);
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}
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window.addEventListener('load', doTest, false);
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</script>
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</head>
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<body>
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<div id="box"></div>
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<div id="overlay"></div>
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<pre id="layers">Layer tree appears here in DRT.</pre>
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</body>
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</html>
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