forked from mirrors/gecko-dev
55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
/* 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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/* eslint-disable mozilla/no-arbitrary-setTimeout */
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"use strict";
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add_task(async function () {
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info("Check fullscreen button existence and functionality");
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CustomizableUI.addWidgetToArea(
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"fullscreen-button",
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CustomizableUI.AREA_FIXED_OVERFLOW_PANEL
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);
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registerCleanupFunction(() => CustomizableUI.reset());
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await waitForOverflowButtonShown();
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await document.getElementById("nav-bar").overflowable.show();
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let fullscreenButton = document.getElementById("fullscreen-button");
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ok(fullscreenButton, "Fullscreen button appears in Panel Menu");
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let fullscreenPromise = promiseFullscreenChange();
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fullscreenButton.click();
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await fullscreenPromise;
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ok(window.fullScreen, "Fullscreen mode was opened");
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// exit full screen mode
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fullscreenPromise = promiseFullscreenChange();
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window.fullScreen = !window.fullScreen;
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await fullscreenPromise;
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ok(!window.fullScreen, "Successfully exited fullscreen");
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});
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function promiseFullscreenChange() {
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return new Promise((resolve, reject) => {
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info("Wait for fullscreen change");
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let timeoutId = setTimeout(() => {
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window.removeEventListener("fullscreen", onFullscreenChange, true);
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reject("Fullscreen change did not happen within " + 20000 + "ms");
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}, 20000);
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function onFullscreenChange() {
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clearTimeout(timeoutId);
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window.removeEventListener("fullscreen", onFullscreenChange, true);
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info("Fullscreen event received");
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resolve();
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}
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window.addEventListener("fullscreen", onFullscreenChange, true);
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});
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}
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