const TEST_URL = "https://example.com/browser/browser/base/content/test/fullscreen/open_and_focus_helper.html"; function waitForFullScreenState(browser, state, actionAfterFSEvent) { return new Promise(resolve => { let eventReceived = false; let observe = (subject, topic, data) => { if (!eventReceived) { return; } Services.obs.removeObserver(observe, "fullscreen-painted"); resolve(); }; Services.obs.addObserver(observe, "fullscreen-painted"); browser.ownerGlobal.addEventListener( `MozDOMFullscreen:${state ? "Entered" : "Exited"}`, () => { eventReceived = true; if (actionAfterFSEvent) { actionAfterFSEvent(); } }, { once: true } ); }); } /** * Spawns content task in browser to enter / leave fullscreen * @param browser - Browser to use for JS fullscreen requests * @param {Boolean} fullscreenState - true to enter fullscreen, false to leave * @returns {Promise} - Resolves once fullscreen change is applied */ async function changeFullscreen(browser, fullScreenState) { await new Promise(resolve => SimpleTest.waitForFocus(resolve, browser.ownerGlobal) ); let fullScreenChange = waitForFullScreenState(browser, fullScreenState); SpecialPowers.spawn(browser, [fullScreenState], async state => { // Wait for document focus before requesting full-screen await ContentTaskUtils.waitForCondition( () => content.browsingContext.isActive && content.document.hasFocus(), "Waiting for document focus" ); if (state) { content.document.body.requestFullscreen(); } else { content.document.exitFullscreen(); } }); return fullScreenChange; } async function testExpectFullScreenExit( browser, leaveFS, action, actionAfterFSEvent ) { let fsPromise = waitForFullScreenState(browser, false, actionAfterFSEvent); if (leaveFS) { if (action) { await action(); } await fsPromise; ok(true, "Should leave full-screen"); } else { if (action) { await action(); } let result = await Promise.race([ fsPromise, new Promise(resolve => { SimpleTest.requestFlakyTimeout("Wait for failure condition"); // eslint-disable-next-line mozilla/no-arbitrary-setTimeout setTimeout(() => resolve(true), 2500); }), ]); ok(result, "Should not leave full-screen"); } } function jsWindowFocus(browser, iframeId) { return ContentTask.spawn(browser, { iframeId }, async args => { let destWin = content; if (args.iframeId) { let iframe = content.document.getElementById(args.iframeId); if (!iframe) { throw new Error("iframe not set"); } destWin = iframe.contentWindow; } await content.wrappedJSObject.sendMessage(destWin, "focus"); }); } function jsElementFocus(browser, iframeId) { return ContentTask.spawn(browser, { iframeId }, async args => { let destWin = content; if (args.iframeId) { let iframe = content.document.getElementById(args.iframeId); if (!iframe) { throw new Error("iframe not set"); } destWin = iframe.contentWindow; } await content.wrappedJSObject.sendMessage(destWin, "elementfocus"); }); } async function jsWindowOpen(browser, isPopup, iframeId) { //let windowOpened = BrowserTestUtils.waitForNewWindow(); let windowOpened = isPopup ? BrowserTestUtils.waitForNewWindow({ url: TEST_URL }) : BrowserTestUtils.waitForNewTab(gBrowser, TEST_URL, true); ContentTask.spawn(browser, { isPopup, iframeId }, async args => { let destWin = content; if (args.iframeId) { // Create a cross origin iframe destWin = ( await content.wrappedJSObject.createIframe(args.iframeId, true) ).contentWindow; } // Send message to either the iframe or the current page to open a popup await content.wrappedJSObject.sendMessage( destWin, args.isPopup ? "openpopup" : "open" ); }); return windowOpened; } async function jsClickLink(browser, isPopup, iframeId) { //let windowOpened = BrowserTestUtils.waitForNewWindow(); let windowOpened = isPopup ? BrowserTestUtils.waitForNewWindow({ url: TEST_URL }) : BrowserTestUtils.waitForNewTab(gBrowser, TEST_URL, true); ContentTask.spawn(browser, { isPopup, iframeId }, async args => { let destWin = content; if (args.iframeId) { // Create a cross origin iframe destWin = ( await content.wrappedJSObject.createIframe(args.iframeId, true) ).contentWindow; } // Send message to either the iframe or the current page to click a link await content.wrappedJSObject.sendMessage(destWin, "clicklink"); }); return windowOpened; } function waitForFocus(...args) { return new Promise(resolve => SimpleTest.waitForFocus(resolve, ...args)); } function waitForBrowserWindowActive(win) { return new Promise(resolve => { if (Services.focus.activeWindow == win) { resolve(); } else { win.addEventListener( "activate", () => { resolve(); }, { once: true } ); } }); }