gecko-dev/widget/tests/test_alwaysontop_focus.xhtml

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HTML

<!DOCTYPE HTML>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title>Test that alwaysontop windows do not pull focus when opened.</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
<script><![CDATA[
add_task(async function testAlwaysOnTop() {
let topWin = window.docShell.rootTreeItem.domWindow;
await SimpleTest.promiseFocus(topWin);
is(Services.focus.activeWindow, topWin, "Top level window is focused");
let newWin = Services.ww.openWindow(
null,
"about:blank",
null,
"chrome,alwaysontop,width=300,height=300",
null
);
await new Promise(resolve => {
newWin.addEventListener("load", resolve, { once: true });
});
// Wait one tick of the event loop to give the window a chance to focus.
await new Promise(resolve => { SimpleTest.executeSoon(resolve); });
is(Services.focus.activeWindow, topWin, "Top level window is still focused");
newWin.close();
});
]]></script>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
</body>
</html>