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const { ContentTaskUtils } = ChromeUtils.import(
"resource://testing-common/ContentTaskUtils.jsm"
);
function waitForFullScreenState(browser, state) {
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;
},
{ 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) {
let fsPromise = waitForFullScreenState(browser, !leaveFS);
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");
});
}
async function jsWindowOpen(browser, iframeId) {
let windowOpened = BrowserTestUtils.waitForNewWindow();
ContentTask.spawn(browser, { 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, "open");
});
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 }
);
}
});
}
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