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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1104916
-->
<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");
function queryApplies(q) {
style.setAttribute("media", q);
return bodyComputedStyled.getPropertyValue("text-decoration-line") ==
"underline";
}
function shouldApply(q) {
ok(queryApplies(q), q + " should apply");
}
function shouldNotApply(q) {
ok(!queryApplies(q), q + " should not apply");
}
function setDisplayMode(mode) {
window.browsingContext.top.displayMode = mode;
}
shouldApply("all and (display-mode: browser)");
shouldNotApply("all and (display-mode: fullscreen)");
shouldNotApply("all and (display-mode: standalone)");
shouldNotApply("all and (display-mode: minimal-ui)");
// 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();
shouldApply("all and (display-mode: fullscreen)");
shouldNotApply("all and (display-mode: browser)");
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();
shouldNotApply("all and (display-mode: fullscreen)");
shouldApply("all and (display-mode: browser)");
// Test entering fullscreen through document requestFullScreen.
fullScreenEntered = waitOneEvent(document, "mozfullscreenchange");
document.body.mozRequestFullScreen();
await fullScreenEntered
ok(document.mozFullScreenElement, "window entered fullscreen");
shouldApply("all and (display-mode: fullscreen)");
shouldNotApply("all and (display-mode: browser)");
fullScreenExited = waitOneEvent(document, "mozfullscreenchange");
document.mozCancelFullScreen();
await fullScreenExited;
ok(!document.mozFullScreenElement, "window exited fullscreen");
shouldNotApply("all and (display-mode: fullscreen)");
shouldApply("all and (display-mode: browser)");
// Test entering display mode mode through docshell
setDisplayMode("standalone");
shouldApply("all and (display-mode: standalone)");
shouldNotApply("all and (display-mode: fullscreen)");
shouldNotApply("all and (display-mode: browser)");
shouldNotApply("all and (display-mode: minimal-ui)");
// Test that changes in the display mode are reflected
setDisplayMode("minimal-ui");
shouldApply("all and (display-mode: minimal-ui)");
shouldNotApply("all and (display-mode: standalone)");
// Set the display mode back.
setDisplayMode("browser");
window.close();
window.SimpleTest.finish();
}
</script>
</head>
<body onload="test_task()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1104916">Mozilla Bug 1104916</a>
<iframe id="subdoc" src="http://mochi.test:8888/tests/layout/style/test/chrome/media_queries_iframe.html" allowfullscreen></iframe>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>
|
