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<!DOCTYPE HTML>
<!-- Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/ -->
<html>
<head>
  <title>Video controls test - Focus</title>
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
  <script type="text/javascript" src="head.js"></script>
  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>

<div id="content">
</div>

<pre id="test">
<script class="testbody" type="application/javascript">
const {BrowserTestUtils} = ChromeUtils.importESModule(
  "resource://testing-common/BrowserTestUtils.sys.mjs"
);

let video, controlBar, playButton;

add_task(async function setup() {
  await SpecialPowers.pushPrefEnv({"set": [
    ["media.cache_size", 40000],
    ["media.videocontrols.keyboard-tab-to-all-controls", true],
  ]});

  // We must create the video after the keyboard-tab-to-all-controls pref is
  // set. Otherwise, the tabindex won't be set correctly.
  video = document.createElement("video");
  video.id = "video";
  video.controls = true;
  video.preload = "auto";
  video.loop = true;
  video.src = "video.webm";
  const caption = video.addTextTrack("captions", "English", "en");
  caption.mode = "showing";
  const content = document.getElementById("content");
  content.append(video);
  controlBar = getElementWithinVideo(video, "controlBar");
  playButton = getElementWithinVideo(video, "playButton");
  info("Waiting for video to load");
  // We must wait for loadeddata here, not loadedmetadata, as the first frame
  // isn't shown until loadeddata occurs and the controls won't hide until the
  // first frame is shown.
  await BrowserTestUtils.waitForEvent(video, "loadeddata");

  // Play and mouseout to hide the controls.
  info("Playing video");
  const playing = BrowserTestUtils.waitForEvent(video, "play");
  video.play();
  await playing;
  // controlBar.hidden returns true while the animation is happening. We use
  // the controlbarchange event to know when it's fully hidden. Aside from
  // avoiding waitForCondition, this is necessary to avoid racing with the
  // animation.
  const hidden = BrowserTestUtils.waitForEvent(video, "controlbarchange");
  sendMouseEvent({type: "mouseout"}, controlBar);
  info("Waiting for controls to hide");
  await hidden;
});

add_task(async function testShowControlsOnFocus() {
  ok(controlBar.hidden, "Controls initially hidden");
  const shown = BrowserTestUtils.waitForEvent(video, "controlbarchange");
  info("Focusing play button");
  playButton.focus();
  await shown;
  ok(!controlBar.hidden, "Controls shown after focus");
  await BrowserTestUtils.waitForEvent(video, "controlbarchange");
  ok(controlBar.hidden, "Controls hidden after timeout");
});

add_task(async function testCcMenuStaysVisible() {
  ok(controlBar.hidden, "Controls initially hidden");
  const shown = BrowserTestUtils.waitForEvent(video, "controlbarchange");
  info("Focusing CC button");
  const ccButton = getElementWithinVideo(video, "closedCaptionButton");
  ccButton.focus();
  await shown;
  ok(!controlBar.hidden, "Controls shown after focus");
  // Checking this using an implementation detail is ugly, but there's no other
  // way to do it without fragile timing.
  const { widget } = window.windowGlobalChild.getActor("UAWidgets").widgets.get(
    video);
  ok(widget.impl.Utils._hideControlsTimeout, "Hide timeout set");
  const ttList = getElementWithinVideo(video, "textTrackListContainer");
  ok(ttList.hidden, "Text track list initially hidden");

  synthesizeKey(" ");
  ok(!ttList.hidden, "Text track list shown after space");
  ok(
    !widget.impl.Utils._hideControlsTimeout,
    "Hide timeout cleared (controls won't hide)"
  );
  const ccOff = ttList.querySelector("button");
  ccOff.focus();
  synthesizeKey(" ");
  ok(ttList.hidden, "Text track list hidden after activating Off button");
  ok(!controlBar.hidden, "Controls still shown");
  ok(widget.impl.Utils._hideControlsTimeout, "Hide timeout set");

  await BrowserTestUtils.waitForEvent(video, "controlbarchange");
  ok(controlBar.hidden, "Controls hidden after timeout");
});
</script>
</pre>
</body>
</html>