gecko/dom/browser-element/mochitest/priority/test_NestedFrames.html
2015-04-30 11:25:29 +02:00

77 lines
2.8 KiB
HTML

<!DOCTYPE HTML>
<html>
<!--
Test changing the visibility of an <iframe mozbrowser> changes the visibility
(and thus the priority) of any <iframe mozbrowser>s it contains.
-->
<head>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="../browserElementTestHelpers.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="application/javascript;version=1.7">
"use strict";
SimpleTest.waitForExplicitFinish();
browserElementTestHelpers.setEnabledPref(true);
browserElementTestHelpers.addPermission();
browserElementTestHelpers.enableProcessPriorityManager();
// Give our origin permission to open browsers, and remove it when the test is complete.
var principal = SpecialPowers.wrap(document).nodePrincipal;
SpecialPowers.addPermission("browser", true, { url: SpecialPowers.wrap(principal.URI).spec,
appId: principal.appId,
isInBrowserElement: true });
addEventListener('unload', function() {
var principal = SpecialPowers.wrap(document).nodePrincipal;
SpecialPowers.removePermission("browser", { url: SpecialPowers.wrap(principal.URI).spec,
appId: principal.appId,
isInBrowserElement: true });
});
function runTest() {
// Set up the following hierarchy of frames:
//
// <iframe mozbrowser remote=false src='file_NestedFramesOuter.html'>
// <iframe mozbrowser remote=true src='file_empty.html'>
//
// When we change the visibility of the outer iframe, it should change the
// priority of the inner one.
var iframe = document.createElement('iframe');
iframe.setAttribute('mozbrowser', true);
iframe.setAttribute('remote', false);
iframe.src = 'file_NestedFramesOuter.html#' + browserElementTestHelpers.emptyPage1;
// Note that this is the process corresponding to the /inner/ iframe. The
// outer iframe runs in-process (because it has remote=false).
var childID = null;
Promise.all(
[expectOnlyOneProcessCreated('FOREGROUND').then(function(child) {
childID = child;
}),
expectMozbrowserEvent(iframe, 'loadend')]
).then(function() {
// Send the outer iframe into the background. This should change the
// priority of the inner frame's process to BACKGROUND.
var p = expectPriorityChange(childID, 'BACKGROUND');
iframe.setVisible(false);
return p;
}).then(function() {
var p = expectPriorityChange(childID, 'FOREGROUND');
iframe.setVisible(true);
return p;
}).then(SimpleTest.finish);
document.body.appendChild(iframe);
}
addEventListener('testready', runTest);
</script>
</body>
</html>