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