87 lines
2.3 KiB
HTML
87 lines
2.3 KiB
HTML
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<html>
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<style>
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body {
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height: 5000px;
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width: 5000px;
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}
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</style>
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<script>
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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 getWaitForPresentationUpdateUIScript()
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{
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return `
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(function() {
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uiController.doAfterPresentationUpdate(function() {
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uiController.uiScriptComplete('');
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});
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})();`
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}
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function getUnparentUIScript()
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{
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return `
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(function() {
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uiController.removeViewFromWindow(function() {
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uiController.uiScriptComplete('');
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});
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})();`
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}
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function getReinsertUIScript()
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{
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return `
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(function() {
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uiController.addViewToWindow(function() {
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uiController.uiScriptComplete('');
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});
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})();`
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}
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function dumpLayers(outputId)
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{
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if (window.internals) {
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document.getElementById(outputId).innerText = window.internals.pageOverlayLayerTreeAsText(internals.LAYER_TREE_INCLUDES_TILE_CACHES);
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}
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}
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function doTest()
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{
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if (!window.testRunner || !testRunner.runUIScript)
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return;
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internals.installMockPageOverlay("document");
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internals.installMockPageOverlay("view");
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// Waiting for a presentation update is needed to get the document overlay to become tiled.
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testRunner.runUIScript(getWaitForPresentationUpdateUIScript(), function(result) {
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dumpLayers('before-layers');
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testRunner.runUIScript(getUnparentUIScript(), function(result) {
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dumpLayers('view-removed-layers');
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testRunner.runUIScript(getReinsertUIScript(), function(result) {
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dumpLayers('view-reinsertion-layers');
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if (window.testRunner)
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testRunner.notifyDone();
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});
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});
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});
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}
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window.addEventListener('load', doTest, false);
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</script>
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<body>
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<h2>Initial layers</h2>
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<pre id="before-layers">Layer tree goes here</pre>
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<h2>Layers after removal</h2>
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<pre id="view-removed-layers">Layer tree goes here</pre>
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<h2>Layers after re-insertion</h2>
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<pre id="view-reinsertion-layers">Layer tree goes here</pre>
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</body>
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</html>
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