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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/* eslint-disable mozilla/no-arbitrary-setTimeout */
"use strict";
add_task(async function () {
info("Check fullscreen button existence and functionality");
CustomizableUI.addWidgetToArea(
"fullscreen-button",
CustomizableUI.AREA_FIXED_OVERFLOW_PANEL
);
registerCleanupFunction(() => CustomizableUI.reset());
await waitForOverflowButtonShown();
await document.getElementById("nav-bar").overflowable.show();
let fullscreenButton = document.getElementById("fullscreen-button");
ok(fullscreenButton, "Fullscreen button appears in Panel Menu");
let fullscreenPromise = promiseFullscreenChange();
fullscreenButton.click();
await fullscreenPromise;
ok(window.fullScreen, "Fullscreen mode was opened");
// exit full screen mode
fullscreenPromise = promiseFullscreenChange();
window.fullScreen = !window.fullScreen;
await fullscreenPromise;
ok(!window.fullScreen, "Successfully exited fullscreen");
});
function promiseFullscreenChange() {
return new Promise((resolve, reject) => {
info("Wait for fullscreen change");
let timeoutId = setTimeout(() => {
window.removeEventListener("fullscreen", onFullscreenChange, true);
reject("Fullscreen change did not happen within " + 20000 + "ms");
}, 20000);
function onFullscreenChange() {
clearTimeout(timeoutId);
window.removeEventListener("fullscreen", onFullscreenChange, true);
info("Fullscreen event received");
resolve();
}
window.addEventListener("fullscreen", onFullscreenChange, true);
});
}