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"use strict";
var gMessageManager;
function frameScript() {
addMessageListener("Test:RequestFullscreen", () => {
content.document.body.requestFullscreen();
});
addMessageListener("Test:ExitFullscreen", () => {
content.document.exitFullscreen();
});
addMessageListener("Test:QueryFullscreenState", () => {
sendAsyncMessage("Test:FullscreenState", {
inDOMFullscreen: !!content.document.fullscreenElement,
inFullscreen: content.fullScreen
});
});
content.document.addEventListener("fullscreenchange", () => {
sendAsyncMessage("Test:FullscreenChanged", {
inDOMFullscreen: !!content.document.fullscreenElement,
inFullscreen: content.fullScreen
});
});
function waitUntilActive() {
let doc = content.document;
if (doc.docShell.isActive && doc.hasFocus()) {
sendAsyncMessage("Test:Activated");
} else {
setTimeout(waitUntilActive, 10);
}
}
waitUntilActive();
}
function listenOneMessage(aMsg, aListener) {
function listener({ data }) {
gMessageManager.removeMessageListener(aMsg, listener);
aListener(data);
}
gMessageManager.addMessageListener(aMsg, listener);
}
function listenOneEvent(aEvent, aListener) {
function listener(evt) {
removeEventListener(aEvent, listener);
aListener(evt);
}
addEventListener(aEvent, listener);
}
function queryFullscreenState() {
return new Promise(resolve => {
listenOneMessage("Test:FullscreenState", resolve);
gMessageManager.sendAsyncMessage("Test:QueryFullscreenState");
});
}
function captureUnexpectedFullscreenChange() {
ok(false, "catched an unexpected fullscreen change");
}
const FS_CHANGE_DOM = 1 << 0;
const FS_CHANGE_SIZE = 1 << 1;
const FS_CHANGE_BOTH = FS_CHANGE_DOM | FS_CHANGE_SIZE;
function waitForFullscreenChanges(aFlags) {
return new Promise(resolve => {
let fullscreenData = null;
let sizemodeChanged = false;
function tryResolve() {
if ((!(aFlags & FS_CHANGE_DOM) || fullscreenData) &&
(!(aFlags & FS_CHANGE_SIZE) || sizemodeChanged)) {
if (!fullscreenData) {
queryFullscreenState().then(resolve);
} else {
resolve(fullscreenData);
}
}
}
if (aFlags & FS_CHANGE_SIZE) {
listenOneEvent("sizemodechange", () => {
sizemodeChanged = true;
tryResolve();
});
}
if (aFlags & FS_CHANGE_DOM) {
gMessageManager.removeMessageListener(
"Test:FullscreenChanged", captureUnexpectedFullscreenChange);
listenOneMessage("Test:FullscreenChanged", data => {
gMessageManager.addMessageListener(
"Test:FullscreenChanged", captureUnexpectedFullscreenChange);
fullscreenData = data;
tryResolve();
});
}
});
}
var gTests = [
{
desc: "document method",
affectsFullscreenMode: false,
exitFunc: () => {
gMessageManager.sendAsyncMessage("Test:ExitFullscreen");
}
},
{
desc: "escape key",
affectsFullscreenMode: false,
exitFunc: () => {
executeSoon(() => EventUtils.synthesizeKey("VK_ESCAPE", {}));
}
},
{
desc: "F11 key",
affectsFullscreenMode: true,
exitFunc: function () {
executeSoon(() => EventUtils.synthesizeKey("VK_F11", {}));
}
}
];
function checkState(expectedStates, contentStates) {
is(contentStates.inDOMFullscreen, expectedStates.inDOMFullscreen,
"The DOM fullscreen state of the content should match");
// TODO window.fullScreen is not updated as soon as the fullscreen
// state flips in child process, hence checking it could cause
// anonying intermittent failure. As we just want to confirm the
// fullscreen state of the browser window, we can just check the
// that on the chrome window below.
// is(contentStates.inFullscreen, expectedStates.inFullscreen,
// "The fullscreen state of the content should match");
is(!!document.fullscreenElement, expectedStates.inDOMFullscreen,
"The DOM fullscreen state of the chrome should match");
is(window.fullScreen, expectedStates.inFullscreen,
"The fullscreen state of the chrome should match");
}
const kPage = "http://example.org/browser/browser/" +
"base/content/test/general/dummy_page.html";
add_task(function* () {
yield pushPrefs(
["full-screen-api.transition-duration.enter", "0 0"],
["full-screen-api.transition-duration.leave", "0 0"]);
let tab = gBrowser.addTab(kPage);
let browser = tab.linkedBrowser;
gBrowser.selectedTab = tab;
yield waitForDocLoadComplete();
registerCleanupFunction(() => {
if (browser.contentWindow.fullScreen) {
BrowserFullScreen();
}
gBrowser.removeTab(tab);
});
gMessageManager = browser.messageManager;
gMessageManager.loadFrameScript(
"data:,(" + frameScript.toString() + ")();", false);
gMessageManager.addMessageListener(
"Test:FullscreenChanged", captureUnexpectedFullscreenChange);
// Wait for the document being activated, so that
// fullscreen request won't be denied.
yield new Promise(resolve => listenOneMessage("Test:Activated", resolve));
for (let test of gTests) {
let contentStates;
info("Testing exit DOM fullscreen via " + test.desc);
contentStates = yield queryFullscreenState();
checkState({inDOMFullscreen: false, inFullscreen: false}, contentStates);
/* DOM fullscreen without fullscreen mode */
info("> Enter DOM fullscreen");
gMessageManager.sendAsyncMessage("Test:RequestFullscreen");
contentStates = yield waitForFullscreenChanges(FS_CHANGE_BOTH);
checkState({inDOMFullscreen: true, inFullscreen: true}, contentStates);
info("> Exit DOM fullscreen");
test.exitFunc();
contentStates = yield waitForFullscreenChanges(FS_CHANGE_BOTH);
checkState({inDOMFullscreen: false, inFullscreen: false}, contentStates);
/* DOM fullscreen with fullscreen mode */
info("> Enter fullscreen mode");
// Need to be asynchronous because sizemodechange event could be
// dispatched synchronously, which would cause the event listener
// miss that event and wait infinitely.
executeSoon(() => BrowserFullScreen());
contentStates = yield waitForFullscreenChanges(FS_CHANGE_SIZE);
checkState({inDOMFullscreen: false, inFullscreen: true}, contentStates);
info("> Enter DOM fullscreen in fullscreen mode");
gMessageManager.sendAsyncMessage("Test:RequestFullscreen");
contentStates = yield waitForFullscreenChanges(FS_CHANGE_DOM);
checkState({inDOMFullscreen: true, inFullscreen: true}, contentStates);
info("> Exit DOM fullscreen in fullscreen mode");
test.exitFunc();
contentStates = yield waitForFullscreenChanges(
test.affectsFullscreenMode ? FS_CHANGE_BOTH : FS_CHANGE_DOM);
checkState({
inDOMFullscreen: false,
inFullscreen: !test.affectsFullscreenMode
}, contentStates);
/* Cleanup */
// Exit fullscreen mode if we are still in
if (window.fullScreen) {
info("> Cleanup");
executeSoon(() => BrowserFullScreen());
yield waitForFullscreenChanges(FS_CHANGE_SIZE);
}
}
});
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