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685d91c901
Differential Revision: https://phabricator.services.mozilla.com/D45828 MANUAL PUSH: Cannot update reopened Phabricator revisions. --HG-- extra : source : 86b3d469b4ff9f22e5757f83450b956a4c769785 extra : histedit_source : 2bf945343632b15eb79cf6b2ddd3ce097ddf70de%2Caec93d9f11bc1c802b63793cd5818530b64e9b4b
63 lines
1.7 KiB
XML
63 lines
1.7 KiB
XML
<?xml version="1.0"?>
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<!-- This Source Code Form is subject to the terms of the Mozilla Public
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- License, v. 2.0. If a copy of the MPL was not distributed with this
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- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
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<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
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<window id="system_font_changes_window"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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width="300"
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height="300"
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onload="start();">
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<span id="target" style="font:menu">Hello world</span>
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<script type="application/javascript"><![CDATA[
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function is(condition, message) {
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window.arguments[0].SimpleTest.is(condition, message);
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}
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function registerCleanupFunction(func) {
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window.arguments[0].SimpleTest.registerCleanupFunction(func);
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}
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async function waitForFrame() {
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return new Promise(resolve => {
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requestAnimationFrame(resolve);
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});
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}
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async function start() {
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await waitForFrame();
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const originalSystemFont = windowUtils.systemFont;
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registerCleanupFunction(() => {
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windowUtils.systemFont = originalSystemFont;
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});
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windowUtils.systemFont = 'Sans 11';
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is(windowUtils.systemFont, 'Sans 11');
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// Wait for two frames for the safety since the notification for system
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// font changes is asynchronously processed.
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await waitForFrame();
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await waitForFrame();
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const target = document.getElementById('target');
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is(getComputedStyle(target).fontFamily, 'Sans');
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windowUtils.systemFont = 'Serif 11';
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is(windowUtils.systemFont, 'Serif 11');
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await waitForFrame();
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await waitForFrame();
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is(getComputedStyle(target).fontFamily, 'Serif');
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window.close();
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window.arguments[0].SimpleTest.finish();
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}
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]]></script>
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</window>
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