gecko-dev/docshell/test/chrome/bug690056_window.xul

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<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<window id="690056Test"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
width="600"
height="600"
onload="setTimeout(nextTest,0);"
title="bug 6500056 test">
<script type="application/javascript" src= "chrome://mochikit/content/chrome-harness.js" />
<script type="application/javascript" src="docshell_helpers.js" />
<script type="application/javascript"><![CDATA[
var tests = testIterator();
function nextTest() {
tests.next();
}
// Makes sure that we fire the visibilitychange events
function testIterator() {
// Enable bfcache
enableBFCache(8);
// Load something for a start
doPageNavigation({
uri: 'data:text/html,<title>initial load</title>',
onNavComplete: nextTest
});
yield undefined;
// Now load a new page
doPageNavigation({
uri: 'data:text/html,<title>new load</title>',
eventsToListenFor: [ "pageshow", "pagehide", "visibilitychange" ],
expectedEvents: [ { type: "pagehide",
title: "initial load",
persisted: true },
{ type: "visibilitychange",
title: "initial load",
visibilityState: "hidden",
hidden: true },
// No visibilitychange events fired for initial pageload
{ type: "pageshow",
title: "new load",
persisted: false }, // false on initial load
],
onNavComplete: nextTest
});
yield undefined;
// Now go back
doPageNavigation({
back: true,
eventsToListenFor: [ "pageshow", "pagehide", "visibilitychange" ],
expectedEvents: [ { type: "pagehide",
title: "new load",
persisted: true },
{ type: "visibilitychange",
title: "new load",
visibilityState: "hidden",
hidden: true },
{ type: "visibilitychange",
title: "initial load",
visibilityState: "visible",
hidden: false },
{ type: "pageshow",
title: "initial load",
persisted: true },
],
onNavComplete: nextTest
});
yield undefined;
// And forward
doPageNavigation({
forward: true,
eventsToListenFor: [ "pageshow", "pagehide", "visibilitychange" ],
expectedEvents: [ { type: "pagehide",
title: "initial load",
persisted: true },
{ type: "visibilitychange",
title: "initial load",
visibilityState: "hidden",
hidden: true },
{ type: "visibilitychange",
title: "new load",
visibilityState: "visible",
hidden: false },
{ type: "pageshow",
title: "new load",
persisted: true },
],
onNavComplete: nextTest
});
yield undefined;
function generateDetector(state, hidden, title, name) {
var detector = function (event) {
is(event.target.hidden, hidden,
name + " hidden value does not match");
is(event.target.visibilityState, state,
name + " state value does not match");
is(event.target.title, title,
name + " title value does not match");
document.getElementById("content")
.removeEventListener("visibilitychange",
detector,
true);
nextTest();
}
document.getElementById("content")
.addEventListener("visibilitychange", detector, true);
}
generateDetector("hidden", true, "new load", "Going hidden");
// Now flip our docshell to not active
document.getElementById("content").docShellIsActive = false;
yield undefined;
// And navigate back; there should be no visibility state transitions
doPageNavigation({
back: true,
eventsToListenFor: [ "pageshow", "pagehide", "visibilitychange" ],
expectedEvents: [ { type: "pagehide",
title: "new load",
persisted: true },
{ type: "pageshow",
title: "initial load",
persisted: true },
],
unexpectedEvents: [ "visibilitychange" ],
onNavComplete: nextTest
});
yield undefined;
generateDetector("visible", false, "initial load", "Going visible");
// Now set the docshell active again
document.getElementById("content").docShellIsActive = true;
yield undefined;
// And forward
doPageNavigation({
forward: true,
eventsToListenFor: [ "pageshow", "pagehide", "visibilitychange" ],
expectedEvents: [ { type: "pagehide",
title: "initial load",
persisted: true },
{ type: "visibilitychange",
title: "initial load",
visibilityState: "hidden",
hidden: true },
{ type: "visibilitychange",
title: "new load",
visibilityState: "visible",
hidden: false },
{ type: "pageshow",
title: "new load",
persisted: true },
],
onNavComplete: nextTest
});
yield undefined;
// Tell the framework the test is finished. Include the final 'yield'
// statement to prevent a StopIteration exception from being thrown.
finish();
yield undefined;
}
]]></script>
<browser type="content-primary" flex="1" id="content" src="about:blank"/>
</window>