<!
DOCTYPE HTML>
<
html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1256084
-->
<
head>
<
meta charset=
"utf-8">
<
title>Test for Display Mode</
title>
<
script src=
"chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></
script>
<
link rel=
"stylesheet" type=
"text/css" href=
"chrome://global/skin"/>
<
link rel=
"stylesheet" type=
"text/css" href=
"chrome://mochikit/content/tests/SimpleTest/test.css"/>
<
script type=
"application/javascript">
var imports = [
"SimpleTest",
"is",
"isnot",
"ok" ];
for (
var n of imports) {
window[n] = window.opener.wrappedJSObject[n];
}
/** Test for Display Mode **/
function waitOneEvent(element, name) {
return new Promise(function(resolve, reject) {
element.addEventListener(name, function() {
resolve();
}, {once: true});
});
}
function promiseNextTick() {
return new Promise(resolve => setTimeout(resolve, 0));
}
async function test_task() {
var iframe = document.getElementById(
"subdoc");
var subdoc =
iframe.contentDocument;
var style = subdoc.getElementById(
"style");
var bodyComputedStyled = subdoc.defaultView.getComputedStyle(subdoc.
body);
var win = Services.wm.getMostRecentWindow(
"navigator:browser");
var secondDiv = subdoc.getElementById(
"b");
var offsetTop = secondDiv.offsetTop;
// Test entering the OS
's fullscreen mode.
var fullScreenEntered = waitOneEvent(win,
"sizemodechange");
synthesizeKey(
"KEY_F11");
await fullScreenEntered;
// Wait for the next tick to apply media feature changes. See bug 1430380.
await promiseNextTick();
ok(offsetTop !== secondDiv.offsetTop,
"offset top changes");
var fullScreenExited = waitOneEvent(win,
"sizemodechange");
synthesizeKey(
"KEY_F11");
await fullScreenExited;
// Wait for the next tick to apply media feature changes. See bug 1430380.
await promiseNextTick();
ok(offsetTop === secondDiv.offsetTop,
"offset top returns to original value");
offsetTop = secondDiv.offsetTop;
// Test entering fullscreen through document requestFullScreen.
fullScreenEntered = waitOneEvent(document,
"mozfullscreenchange");
document.
body.mozRequestFullScreen();
await fullScreenEntered
ok(offsetTop !== secondDiv.offsetTop,
"offset top changes");
fullScreenExited = waitOneEvent(document,
"mozfullscreenchange");
document.mozCancelFullScreen();
await fullScreenExited;
ok(offsetTop === secondDiv.offsetTop,
"offset top returns to original value");
window.close();
window.SimpleTest.finish();
}
</
script>
</
head>
<
body onload=
"test_task()">
<a target=
"_blank" href=
"https://bugzilla.mozilla.org/show_bug.cgi?id=1256084">Mozil
la Bug 1256084</a>
<iframe id="subdoc" src="http://mochi.test:8888/tests/layout/style/test/chrome/display_mode_reflow_iframe.html"></iframe>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>
