зеркало из https://github.com/mozilla/gecko-dev.git
64 строки
1.9 KiB
HTML
64 строки
1.9 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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Test that calling setVisible("false") on an iframe that has an open activity
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causes its priority to change.
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-->
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<head>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="../browserElementTestHelpers.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<script type="application/javascript;version=1.7">
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"use strict";
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SimpleTest.waitForExplicitFinish();
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browserElementTestHelpers.setEnabledPref(true);
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browserElementTestHelpers.addPermission();
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browserElementTestHelpers.enableProcessPriorityManager();
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function runTest() {
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var os = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
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.getService(SpecialPowers.Ci.nsIObserverService);
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var iframe = document.createElement("iframe");
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iframe.setAttribute("mozbrowser", true);
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iframe.src = browserElementTestHelpers.emptyPage1;
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var childID = null;
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Promise.all([
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expectOnlyOneProcessCreated("FOREGROUND").then(function(chid) {
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childID = chid;
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}),
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expectMozbrowserEvent(iframe, "loadend")
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]).then(function() {
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var p = expectPriorityChange(childID, "BACKGROUND_PERCEIVABLE");
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// We simulate opening an activity
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os.notifyObservers(null, "activity-opened", childID);
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// We wait until mozbrowserloadend before calling setVisible, because
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// setVisible isn't available until mozbrowser has loaded. In practice, that
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// means we can call setVisible once we've gotten /any/ mozbrowser event.
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iframe.setVisible(false);
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return p;
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}).then(function() {
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var p = expectPriorityChange(childID, "BACKGROUND");
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// Now we simulate closing an activity
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os.notifyObservers(null, "activity-closed", childID);
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return p;
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}).then(SimpleTest.finish);
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document.body.appendChild(iframe);
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}
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addEventListener("testready", runTest);
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</script>
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</body>
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</html>
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