зеркало из https://github.com/mozilla/gecko-dev.git
71 строка
2.2 KiB
HTML
71 строка
2.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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Test that when we remove one of a process's frames from the DOM, the process's
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priority is recomputed.
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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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// ProcessPriorityManager requires at least one process in foreground
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// so that other processes can transit freely between foreground and
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// background.
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function setupTest() {
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var foreground = document.createElement('iframe');
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foreground.setAttribute('mozbrowser', true);
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foreground.src = browserElementTestHelpers.emptyPage;
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expectMozbrowserEvent(foreground, 'loadend').then(runTest);
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document.body.appendChild(foreground);
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}
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function runTest() {
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var iframe = document.createElement('iframe');
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iframe.setAttribute('mozbrowser', true);
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iframe.src = 'file_MultipleFrames.html';
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var childID = null;
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var iframe2;
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Promise.all([
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expectProcessCreated('FOREGROUND').then(function(chid) {
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childID = chid;
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}),
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new Promise(function(resolve, reject) {
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iframe.addEventListener('mozbrowseropenwindow', function(e) {
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iframe2 = e.detail.frameElement;
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var p = expectMozbrowserEvent(iframe2, 'loadend');
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document.body.appendChild(iframe2);
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resolve(p);
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});
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})
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]).then(function() {
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// At this point, the child process has been set to FOREGROUND, and the popup
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// opened by file_MultipleFrames has finished loading.
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//
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// Now setVisible(false) the popup frame and remove the popup frame from the
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// DOM. This should cause the process to take on BACKGROUND priority.
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var p = expectPriorityChange(childID, 'BACKGROUND');
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iframe.setVisible(false);
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document.body.removeChild(iframe2);
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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', setupTest);
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</script>
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</body>
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</html>
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