Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
</head>
<body>
<div id="fullscreen"></div>
<script>
function ok(condition, msg) {
opener.ok(condition, "[prefixed] " + msg);
}
function is(a, b, msg) {
opener.is(a, b, "[prefixed] " + msg);
}
function info(msg) {
opener.info("[prefixed] " + msg);
}
SimpleTest.requestFlakyTimeout(
"need to wait for a while to confirm no unexpected event is dispatched");
let div = document.getElementById("fullscreen");
let unattachedDiv = document.createElement('div');
const NO_EVENT_HANDLER = 0;
const PREFIXED_EVENT_ONLY = 1;
const PREFIXED_AND_UNPREFIXED_EVENT = 2;
class TestCase {
constructor(num, handlersOnWindow, handlersOnDocument) {
this.number = num;
this.handlersType = new Map([[window, handlersOnWindow],
[document, handlersOnDocument]]);
}
static checkState(inFullscreen, msg) {
var emptyOrNot = inFullscreen ? "" : "not ";
info(`Check fullscreen state ${msg}`);
is(document.mozFullScreen, inFullscreen,
`Should ${emptyOrNot}be in fullscreen`);
is(document.fullscreenElement, inFullscreen ? div : null,
`Fullscreen element should be ${inFullscreen ? "div" : "null"}`);
is(document.mozFullScreenElement, document.fullscreenElement,
"document.mozFullScreenElement should be identical to fullscreenElement");
is(div.matches(":fullscreen"), inFullscreen,
`Fullscreen element should ${emptyOrNot}match :fullscreen pseudo class`);
is(div.matches(":-moz-full-screen"), inFullscreen,
`Fullscreen element should ${emptyOrNot}match :-moz-full-screen pseudo class`);
}
changeListeners(action, eventType, handler) {
let method = `${action}EventListener`;
for (let [target, type] of this.handlersType.entries()) {
if (type == PREFIXED_EVENT_ONLY) {
target[method](`moz${eventType}`, handler);
} else if (type == PREFIXED_AND_UNPREFIXED_EVENT) {
target[method](eventType, handler);
target[method](`moz${eventType}`, handler);
} else if (type != NO_EVENT_HANDLER) {
ok(false, `Unknown handlers type ${type}`);
}
}
}
doTest(actionCallback, eventType, inFullscreen, msg) {
return new Promise(resolve => {
let timeout = 0;
let expectEvent = new Map();
for (let [target] of this.handlersType) {
expectEvent.set(target, this.handlersType != NO_EVENT_HANDLER);
}
let handleEvent = evt => {
let target = evt.currentTarget;
let type = this.handlersType.get(target);
if (type == PREFIXED_EVENT_ONLY) {
is(evt.type, `moz${eventType}`,
`Should get prefixed event on ${target}`);
} else if (type == PREFIXED_AND_UNPREFIXED_EVENT) {
is(evt.type, eventType,
`Should only get unprefixed event on ${target}`);
} else {
ok(false, `No event should be triggered on ${target}`);
}
// Ensure we receive each event exactly once.
if (expectEvent.get(target)) {
expectEvent.set(target, false);
} else {
ok(false, `Got an unexpected ${evt.type} event on ${target}`);
}
if (!timeout) {
timeout = setTimeout(() => {
this.changeListeners("remove", eventType, handleEvent);
TestCase.checkState(inFullscreen,
`${msg} in test case ${this.number}`);
resolve();
});
}
};
this.changeListeners("add", eventType, handleEvent);
SimpleTest.waitForFocus(() => actionCallback());
});
}
test() {
return new Promise(resolve => {
Promise.resolve().then(() => {
return this.doTest(() => div.mozRequestFullScreen(),
"fullscreenchange", true, "after request");
}).then(() => {
return this.doTest(() => document.mozCancelFullScreen(),
"fullscreenchange", false, "after exit");
}).then(() => {
return this.doTest(() => unattachedDiv.mozRequestFullScreen(),
"fullscreenerror", false, "after failed request");
}).then(resolve);
});
}
}
let gTestcases = [
new TestCase(1, PREFIXED_EVENT_ONLY, NO_EVENT_HANDLER),
new TestCase(2, PREFIXED_AND_UNPREFIXED_EVENT, NO_EVENT_HANDLER),
new TestCase(3, NO_EVENT_HANDLER, PREFIXED_EVENT_ONLY),
new TestCase(4, PREFIXED_EVENT_ONLY, PREFIXED_EVENT_ONLY),
new TestCase(5, PREFIXED_AND_UNPREFIXED_EVENT, PREFIXED_EVENT_ONLY),
new TestCase(6, NO_EVENT_HANDLER, PREFIXED_AND_UNPREFIXED_EVENT),
new TestCase(7, PREFIXED_EVENT_ONLY, PREFIXED_AND_UNPREFIXED_EVENT),
new TestCase(8, PREFIXED_AND_UNPREFIXED_EVENT, PREFIXED_AND_UNPREFIXED_EVENT),
];
function begin() {
TestCase.checkState(false, "at the beginning");
runNextTestCase();
}
function runNextTestCase() {
let testcase = gTestcases.shift();
if (!testcase) {
opener.nextTest();
return;
}
testcase.test().then(runNextTestCase);
}
</script>
</body>
</html>