Quelle file_fullscreen-prefixed.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/base/test/fullscreen/file_fullscreen-prefixed.html

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Test for Bug 743198</title>
  <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>

Messung V0.5

¤ Dauer der Verarbeitung: 0.3 Sekunden ¤

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