Anforderungen  |   Konzepte  |   Entwurf  |   Entwicklung  |   Qualitätssicherung  |   Lebenszyklus  |   Steuerung
 
 
 
 


Quelle  test_videocontrols.html   Sprache: HTML

 
 products/Sources/formale Sprachen/C/Firefox/toolkit/content/tests/widgets/test_videocontrols.html


<!DOCTYPE HTML>
<html>
<head>
  <title>Video controls test</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <script type="text/javascript" src="head.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>

<div id="content">
  <video width="320" height="240" id="video" controls mozNoDynamicControls preload="auto"></video>
</div>

<div id="host"></div>

<pre id="test">
<script class="testbody" type="text/javascript">

/*
 * Positions of the  UI elements, relative to the upper-left corner of the
 * <video> box.
 */
const videoWidth = 320;
const videoHeight = 240;
const videoDuration = 3.8329999446868896;

const controlBarMargin = 9;

const playButtonWidth = 30;
const playButtonHeight = 40;
const muteButtonWidth = 30;
const muteButtonHeight = 40;
const positionAndDurationWidth = 75;
const fullscreenButtonWidth = 30;
const fullscreenButtonHeight = 40;
const volumeSliderWidth = 48;
const volumeSliderMarginStart = 4;
const volumeSliderMarginEnd = 6;
const scrubberMargin = 9;
const scrubberWidth = videoWidth - controlBarMargin - playButtonWidth - scrubberMargin * 2 - positionAndDurationWidth - muteButtonWidth - volumeSliderMarginStart - volumeSliderWidth - volumeSliderMarginEnd - fullscreenButtonWidth - controlBarMargin;
const scrubberHeight = 40;

// Play button is on the bottom-left
const playButtonCenterX = 0 + Math.round(playButtonWidth / 2);
const playButtonCenterY = videoHeight - Math.round(playButtonHeight / 2);
// Mute button is on the bottom-right before the full screen button and volume slider
const muteButtonCenterX = videoWidth - Math.round(muteButtonWidth / 2) - volumeSliderWidth - fullscreenButtonWidth - controlBarMargin;
const muteButtonCenterY = videoHeight - Math.round(muteButtonHeight / 2);
// Fullscreen button is on the bottom-right at the far end
const fullscreenButtonCenterX = videoWidth - Math.round(fullscreenButtonWidth / 2) - controlBarMargin;
const fullscreenButtonCenterY = videoHeight - Math.round(fullscreenButtonHeight / 2);
// Scrubber bar is between the play and mute buttons. We don't need it's
// X center, just the offset of its box.
const scrubberOffsetX = controlBarMargin + playButtonWidth + scrubberMargin;
const scrubberCenterY = videoHeight - Math.round(scrubberHeight / 2);

const video = document.getElementById("video");

let requiredEvents = [];
let forbiddenEvents = [];
let receivedEvents = [];
let expectingEventPromise;

async function isMuteButtonMuted() {
  const muteButton = getElementWithinVideo(video"muteButton");
  await new Promise(SimpleTest.executeSoon);
  return muteButton.hasAttribute("muted");
}

async function isVolumeSliderShowingCorrectVolume(expectedVolume) {
  const volumeControl = getElementWithinVideo(video"volumeControl");
  await new Promise(SimpleTest.executeSoon);
  is(+volumeControl.value, expectedVolume * 100, "volume slider should match expected volume");
}

function forceReframe() {
  // Setting display then getting the bounding rect to force a frame
  // reconstruction on the video element.
  video.style.display = "block";
  video.getBoundingClientRect();
  video.style.display = "";
  video.getBoundingClientRect();
}

function captureEventThenCheck(event) {
  if (event) {
    info(`Received event ${event.type}.`);
    receivedEvents.push(event.type);
  }

  const cleanupExpectations = () => {
    requiredEvents.length = 0;
    forbiddenEvents.length = 0;
    receivedEvents.length = 0;
  }

  // If receivedEvents contains any of the forbiddenEvents, reject the expectingEventPromise.
  for (const forbidden of forbiddenEvents) {
    if (receivedEvents.includes(forbidden)) {
      // Capture list of requiredEvents for later reporting.
      const oldRequiredEvents = requiredEvents.slice();
      cleanupExpectations();
      expectingEventPromise.reject(new Error(`Got forbidden event ${forbidden} while expecting ${oldRequiredEvents}`));
      return;
    }
  }

  if (!requiredEvents.length) {
    // We might be getting an event before we started waiting for it. That's fine,
    // just early exit.
    return;
  }

  // We are expecting at least one event. If receivedEvents is lacking one of the
  // requiredEvents, exit.
  for (const required of requiredEvents) {
    if (!receivedEvents.includes(required)) {
      return;
    }
  }

  // We've received all the events we required. Resolve the expectingEventPromise.
  info(`No longer waiting for expected event(s) ${requiredEvents}.`);
  cleanupExpectations();

  // Don't resolve this right away, because this is called from within event handlers and
  // we want all other event handlers to have a chance to respond to this event before we
  // proceed with the test. This solves problems with things like a play-pause-play, where
  // some of the actions will be discarded if the video controls themselves aren't in the
  // expected state.
  SimpleTest.executeSoon(expectingEventPromise.resolve);
}

function waitForEvent(required, forbidden) {
  return new Promise((resolve, reject) => {
    expectingEventPromise = {resolve, reject};

    info(`Waiting for ${required}` + (forbidden ? ` but not ${forbidden}...` : `...`));
    if (Array.isArray(required)) {
      requiredEvents.push(...required);
    } else {
      requiredEvents.push(required);
    }
    if (forbidden) {
      if (Array.isArray(forbidden)) {
        forbiddenEvents.push(...forbidden);
      } else {
        forbiddenEvents.push(forbidden);
      }
    }

    // Immediately check the received events, since the calling pattern used in this test is
    // calling this method *after* the events could have been triggered.
    captureEventThenCheck();
  });
}

async function repeatUntilSuccessful(f) {
  let successful = false;
  do {
    try {
      // Delay one event loop.
      await new Promise(r => SimpleTest.executeSoon(r));
      await f();
      successful = true;
    } catch (error) {
      info(`repeatUntilSuccessful: error ${error}.`);
    }
  } while(!successful);
}

add_task(async function setup() {
  SimpleTest.requestCompleteLog();
  await SpecialPowers.pushPrefEnv({
      "set": [
        ["media.cache_size", 40000],
        ["full-screen-api.enabled", true],
        ["full-screen-api.allow-trusted-requests-only", false],
        ["full-screen-api.transition-duration.enter""0 0"],
        ["full-screen-api.transition-duration.leave""0 0"],
      ]});
  await new Promise(resolve => {
    video.addEventListener("canplaythrough", resolve, {once: true});
    video.src = "seek_with_sound.webm";
  });

  video.addEventListener("play", captureEventThenCheck);
  video.addEventListener("pause", captureEventThenCheck);
  video.addEventListener("volumechange", captureEventThenCheck);
  video.addEventListener("seeking", captureEventThenCheck);
  video.addEventListener("seeked", captureEventThenCheck);
  document.addEventListener("mozfullscreenchange", captureEventThenCheck);
  document.addEventListener("fullscreenerror", captureEventThenCheck);

  ["mousedown""mouseup""dblclick""click"]
    .forEach((eventType) => {
      window.addEventListener(eventType, (evt) => {
        // Prevent default action of leaked events and make the tests fail.
        evt.preventDefault();
        ok(false, "Event " + eventType + " in videocontrol should not leak to content;" +
          "the event was dispatched from the " + evt.target.tagName.toLowerCase() + " element.");
      });
    });

  // Check initial state upon load
  is(video.paused, true, "checking video play state");
  is(video.muted, false, "checking video mute state");
});

add_task(async function click_playbutton() {
  synthesizeMouse(video, playButtonCenterX, playButtonCenterY, {});
  await waitForEvent("play");
  is(video.paused, false, "checking video play state");
  is(video.muted, false, "checking video mute state");
});

add_task(async function click_pausebutton() {
  synthesizeMouse(video, playButtonCenterX, playButtonCenterY, {});
  await waitForEvent("pause");
  is(video.paused, true, "checking video play state");
  is(video.muted, false, "checking video mute state");
});

add_task(async function mute_volume() {
  synthesizeMouse(video, muteButtonCenterX, muteButtonCenterY, {});
  await waitForEvent("volumechange");
  is(video.paused, true, "checking video play state");
  is(video.muted, true, "checking video mute state");
});

add_task(async function unmute_volume() {
  synthesizeMouse(video, muteButtonCenterX, muteButtonCenterY, {});
  await waitForEvent("volumechange");
  is(video.paused, true, "checking video play state");
  is(video.muted, false, "checking video mute state");
});

/*
 * Bug 470596: Make sure that having CSS border or padding doesn't
 * break the controls (though it should move them)
 */
add_task(async function styled_video() {
  video.style.border = "medium solid purple";
  video.style.borderWidth = "30px 40px 50px 60px";
  video.style.padding = "10px 20px 30px 40px";
  // totals: top: 40px, right: 60px, bottom: 80px, left: 100px

  // Click the play button
  synthesizeMouse(video, 100 + playButtonCenterX, 40 + playButtonCenterY, { });
  await waitForEvent("play");
  is(video.paused, false, "checking video play state");
  is(video.muted, false, "checking video mute state");

  // Pause the video
  video.pause();
  await waitForEvent("pause");
  is(video.paused, true, "checking video play state");
  is(video.muted, false, "checking video mute state");

  // Click the mute button
  synthesizeMouse(video, 100 + muteButtonCenterX, 40 + muteButtonCenterY, {});
  await waitForEvent("volumechange");
  is(video.paused, true, "checking video play state");
  is(video.muted, true, "checking video mute state");

  // Clear the style set
  video.style.border = "";
  video.style.borderWidth = "";
  video.style.padding = "";

  // Unmute the video
  video.muted = false;
  await waitForEvent("volumechange");
  is(video.paused, true, "checking video play state");
  is(video.muted, false, "checking video mute state");
});

/*
 * Previous tests have moved playback postion, reset it to 0.
 */
add_task(async function reset_currentTime() {
  ok(true, "video position is at " + video.currentTime);
  video.currentTime = 0.0;
  await waitForEvent(["seeking""seeked"]);
  // Bug 477434 -- sometimes we get 0.098999 here instead of 0!
  // is(video.currentTime, 0.0, "checking playback position");
  ok(true, "video position is at " + video.currentTime);
});

/*
 * Drag the slider's thumb to the halfway point with the mouse.
 */
add_task(async function drag_slider() {
  const beginDragX = scrubberOffsetX;
  const endDragX = scrubberOffsetX + (scrubberWidth / 2);
  const expectedTime = videoDuration / 2;

  function mousemoved(evt) {
    ok(false, "Mousemove event should not be handled by content while dragging; " +
      "the event was dispatched from the " + evt.target.tagName.toLowerCase() + " element.");
  }

  window.addEventListener("mousemove", mousemoved);

  synthesizeMouse(video, beginDragX, scrubberCenterY, {type: "mousedown"button: 0});
  synthesizeMouse(video, endDragX, scrubberCenterY, {type: "mousemove"button: 0});
  synthesizeMouse(video, endDragX, scrubberCenterY, {type: "mouseup",   button: 0});
  await waitForEvent(["seeking""seeked"]);
  ok(true, "video position is at " + video.currentTime);
  // The width of srubber is not equal in every platform as we use system default font
  // in duration and position box. We can not precisely drag to expected position, so
  // we just make sure the difference is within 10% of video duration.
  ok(Math.abs(video.currentTime - expectedTime) < videoDuration / 10, "checking expected playback position");

  window.removeEventListener("mousemove", mousemoved);
});

/*
 * Click the slider at the 1/4 point with the mouse (jump backwards)
 */
add_task(async function click_slider() {
  synthesizeMouse(video, scrubberOffsetX + (scrubberWidth / 4), scrubberCenterY, {});
  await waitForEvent(["seeking""seeked"]);
  ok(true, "video position is at " + video.currentTime);
  // The scrubber currently just jumps towards the nearest pageIncrement point, not
  // precisely to the point clicked. So, expectedTime isn't (videoDuration / 4).
  // We should end up at 1.733, but sometimes we end up at 1.498. I guess
  // it's timing depending if the things it's click-and-hold, or a
  // single click. So, just make sure we end up less that the previous
  // position.
  const lastPosition = (videoDuration / 2) - 0.1;
  ok(video.currentTime < lastPosition, "checking expected playback position");

  // Set volume to 0.1 so one down arrow hit will decrease it to 0.
  video.volume = 0.1;
  await waitForEvent("volumechange");
  is(video.volume, 0.1, "Volume should be set.");
  ok(!video.muted, "Video is not muted.");
});

// See bug 694696.
add_task(async function change_volume() {
  video.focus();

  synthesizeKey("KEY_ArrowDown");
  await waitForEvent("volumechange");
  is(video.volume, 0, "Volume should be 0.");
  ok(!video.muted, "Video is not muted.");
  ok(await isMuteButtonMuted(), "Mute button says it's muted");

  synthesizeKey("KEY_ArrowUp");
  await waitForEvent("volumechange");
  is(video.volume, 0.1, "Volume is increased.");
  ok(!video.muted, "Video is not muted.");
  ok(!(await isMuteButtonMuted()), "Mute button says it's not muted");

  synthesizeKey("KEY_ArrowDown");
  await waitForEvent("volumechange");
  is(video.volume, 0, "Volume should be 0.");
  ok(!video.muted, "Video is not muted.");
  ok(await isMuteButtonMuted(), "Mute button says it's muted");

  synthesizeMouse(video, muteButtonCenterX, muteButtonCenterY, {});
  await waitForEvent("volumechange");
  is(video.volume, 0.5, "Volume should be 0.5.");
  ok(!video.muted, "Video is not muted.");

  synthesizeKey("KEY_ArrowUp");
  await waitForEvent("volumechange");
  is(video.volume, 0.6, "Volume should be 0.6.");
  ok(!video.muted, "Video is not muted.");

  synthesizeMouse(video, muteButtonCenterX, muteButtonCenterY, {});
  await waitForEvent("volumechange");
  is(video.volume, 0.6, "Volume should be 0.6.");
  ok(video.muted, "Video is muted.");
  ok(await isMuteButtonMuted(), "Mute button says it's muted");

  synthesizeMouse(video, muteButtonCenterX, muteButtonCenterY, {});
  await waitForEvent("volumechange");
  is(video.volume, 0.6, "Volume should be 0.6.");
  ok(!video.muted, "Video is not muted.");
  ok(!(await isMuteButtonMuted()), "Mute button says it's not muted");

  await repeatUntilSuccessful(async () => {
    synthesizeMouse(video, fullscreenButtonCenterX, fullscreenButtonCenterY, {});
    await waitForEvent("mozfullscreenchange""fullscreenerror");
  });

  is(video.volume, 0.6, "Volume should still be 0.6");
  await isVolumeSliderShowingCorrectVolume(video.volume);

  await repeatUntilSuccessful(async () => {
    video.focus();
    synthesizeKey("KEY_Escape");
    await waitForEvent("mozfullscreenchange""fullscreenerror");
  });

  is(video.volume, 0.6, "Volume should still be 0.6");
  await isVolumeSliderShowingCorrectVolume(video.volume);
  forceReframe();

  video.focus();
  synthesizeKey("KEY_ArrowDown");
  await waitForEvent("volumechange");
  is(video.volume, 0.5, "Volume should be decreased by 0.1");
  await isVolumeSliderShowingCorrectVolume(video.volume);
});

add_task(async function whitespace_pause_video() {
  synthesizeMouse(video, playButtonCenterX, playButtonCenterY, {});
  await waitForEvent("play");

  video.focus();
  sendString(" ");
  await waitForEvent("pause");

  synthesizeMouse(video, playButtonCenterX, playButtonCenterY, {});
  await waitForEvent("play");
});

/*
 * Bug 1352724: Click and hold on timeline should pause video immediately.
 */
add_task(async function click_and_hold_slider() {
  synthesizeMouse(video, scrubberOffsetX + 10, scrubberCenterY, {type: "mousedown"button: 0});
  await waitForEvent(["pause""seeking""seeked"]);

  synthesizeMouse(video, scrubberOffsetX + 10, scrubberCenterY, {});
  await waitForEvent("play");
});

/*
 * Bug 1402877: Don't let click event dispatch through media controls to video element.
 */
add_task(async function click_event_dispatch() {
  const clientScriptClickHandler = () => {
    ok(false, "Should not receive the event");
  };
  video.addEventListener("click", clientScriptClickHandler);

  video.pause();
  await waitForEvent("pause");
  video.currentTime = 0.0;
  await waitForEvent(["seeking""seeked"]);
  is(video.paused, true, "checking video play state");
  synthesizeMouse(video, scrubberOffsetX + 10, scrubberCenterY, {});
  await waitForEvent(["seeking""seeked"]);

  video.removeEventListener("click", clientScriptClickHandler);
});

// Bug 1367194: Always ensure video is paused before finishing the test.
add_task(async function ensure_video_pause() {
  if (!video.paused) {
    video.pause();
    await waitForEvent("pause");
  }
});

// Bug 1452342: Make sure the cursor hides and shows on full screen mode.
add_task(async function ensure_fullscreen_cursor() {
  video.removeAttribute("mozNoDynamicControls");
  video.play();
  await waitForEvent("play");

  await repeatUntilSuccessful(async () => {
    video.focus();
    await video.mozRequestFullScreen();
    await waitForEvent("mozfullscreenchange""fullscreenerror");
  });

  const controlsSpacer = getElementWithinVideo(video"controlsSpacer");
  is(controlsSpacer.hasAttribute("hideCursor"), true, "Cursor is hidden");

  let delta = 1;
  await SimpleTest.promiseWaitForCondition(() => {
    // Wiggle the mouse a bit
    synthesizeMouse(video, playButtonCenterX  + delta, playButtonCenterY + delta, { type: "mousemove" });
    delta = !delta;
    return !controlsSpacer.hasAttribute("hideCursor");
  }, "Waiting for hideCursor attribute to disappear");
  is(controlsSpacer.hasAttribute("hideCursor"), false, "Cursor is shown");

  // Restore
  video.setAttribute("mozNoDynamicControls""");

  await repeatUntilSuccessful(async () => {
    await document.mozCancelFullScreen();
    await waitForEvent("mozfullscreenchange""fullscreenerror");
  });

  if (!video.paused) {
    video.pause();
    await waitForEvent("pause");
  }
});

// Bug 1505547: Make sure the fullscreen button works if the video element is in shadow tree.
add_task(async function ensure_fullscreen_button() {
  video.removeAttribute("mozNoDynamicControls");
  let host = document.getElementById("host");
  let root = host.attachShadow({ mode: "open" });
  root.appendChild(video);
  forceReframe();

  await repeatUntilSuccessful(async () => {
    await video.mozRequestFullScreen();
    await waitForEvent("mozfullscreenchange""fullscreenerror");
  });

  await repeatUntilSuccessful(async () => {
    // Compute the location to click on to hit the fullscreen button.
    // Use the video size instead of the screen size here, because mozfullscreenchange
    // does not guarantee that our document covers the screen, see bug 1575630.
    const r = video.getBoundingClientRect();
    const buttonCenterX = r.right - fullscreenButtonWidth / 2 - controlBarMargin;
    const buttonCenterY = r.bottom - fullscreenButtonHeight / 2;

    // Though the video no longer has mozNoDynamicControls, it sometimes appears
    // in the shadow DOM without visible controls. This might happen because
    // toggling the attribute doesn't force the controls to appear or disappear;
    // it just affects the timed fadeout behavior. So we wiggle the mouse here
    // as if we were still using dynamic controls.
    synthesizeMouse(video, buttonCenterX, buttonCenterY, { type: "mousemove" });

    info(`Clicking at ${buttonCenterX}, ${buttonCenterY}.`);
    synthesizeMouse(video, buttonCenterX, buttonCenterY, {});
    await waitForEvent("mozfullscreenchange", ["fullscreenerror""play""pause"]);
  });

  // Restore
  video.setAttribute("mozNoDynamicControls""");
  document.getElementById("content").appendChild(video);
  forceReframe();
});

add_task(async function ensure_doubleclick_triggers_fullscreen() {
  const { x, y } = video.getBoundingClientRect();
  info("Simulate double click on media player.");

  await repeatUntilSuccessful(async () => {
    synthesizeMouse(video, x, y, { clickCount: 2 });
    // TODO: A double-click for fullscreen should *not* cause the video to play,
    // but it does. Adding the "play" event to the forbidden events makes the
    // test timeout.
    await waitForEvent("mozfullscreenchange""fullscreenerror");
  });

  ok(true, "Double clicking should trigger fullscreen event");

  await repeatUntilSuccessful(async () => {
    await document.mozCancelFullScreen();
    await waitForEvent("mozfullscreenchange""fullscreenerror");
  });
});

</script>
</pre>
</body>
</html>

Messung V0.5
C=94 H=94 G=93

¤ Dauer der Verarbeitung: 0.34 Sekunden  (vorverarbeitet)  ¤

*© Formatika GbR, Deutschland






Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.






                                                                                                                                                                                                                                                                                                                                                                                                     


Neuigkeiten

     Aktuelles
     Motto des Tages

Software

     Produkte
     Quellcodebibliothek

Aktivitäten

     Artikel über Sicherheit
     Anleitung zur Aktivierung von SSL

Muße

     Gedichte
     Musik
     Bilder

Jenseits des Üblichen ....

Besucherstatistik

Besucherstatistik

Monitoring

Montastic status badge