<!DOCTYPE HTML>
<html>
<head>
  <title>Video controls test - VTT</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 id="video" controls preload="auto"></video>
</div>

<pre id="test">
<script clas="testbody" type="application/javascript">
  SimpleTest.waitForExplicitFinish();

  const video = document.getElementById("video");
  const ccBtn = getElementWithinVideo(video, "closedCaptionButton");
  const ttList = getElementWithinVideo(video, "textTrackList");
  const ttListContainer = getElementWithinVideo(video, "textTrackListContainer");

  add_task(async function wait_for_media_ready() {
    await SpecialPowers.pushPrefEnv({"set": [["media.cache_size", 40000]]});
    await new Promise(resolve => {
      video.src = "seek_with_sound.ogg";
      video.addEventListener("loadedmetadata", resolve);
    });
  });

  add_task(async function check_inital_state() {
    ok(ccBtn.hidden, "CC button should hide");
  });

  add_task(async function check_unsupported_type_added() {
    video.addTextTrack("descriptions", "English", "en");
    video.addTextTrack("chapters", "English", "en");
    video.addTextTrack("metadata", "English", "en");

    await new Promise(SimpleTest.executeSoon);
    ok(ccBtn.hidden, "CC button should hide if no supported tracks provided");
  });

  add_task(async function check_cc_button_present() {
    const sub = video.addTextTrack("subtitles", "English", "en");
    sub.mode = "disabled";

    await new Promise(SimpleTest.executeSoon);
    ok(!ccBtn.hidden, "CC button should show");
    is(ccBtn.hasAttribute("enabled"), false, "CC button should be disabled");
  });

  add_task(async function check_cc_button_be_enabled() {
    const subtitle = video.addTextTrack("subtitles", "English", "en");
    subtitle.mode = "showing";

    await new Promise(SimpleTest.executeSoon);
    ok(ccBtn.hasAttribute("enabled"), "CC button should be enabled");
    subtitle.mode = "disabled";
  });

  add_task(async function check_cpations_type() {
    const caption = video.addTextTrack("captions", "English", "en");
    caption.mode = "showing";

    await new Promise(SimpleTest.executeSoon);
    ok(ccBtn.hasAttribute("enabled"), "CC button should be enabled");
  });

  add_task(async function check_track_ui_state() {
    synthesizeMouseAtCenter(ccBtn, {});

    await new Promise(SimpleTest.executeSoon);
    ok(!ttListContainer.hidden, "Texttrack menu should show up");
    ok(ttList.lastChild.getAttribute("aria-checked") === "true", "The last added item should be highlighted");
  });

  add_task(async function check_select_texttrack() {
    const tt = ttList.children[1];

    ok(tt.getAttribute("aria-checked") === "false", "Item should be off before click");
    synthesizeMouseAtCenter(tt, {});

    await once(video.textTracks, "change");
    await new Promise(SimpleTest.executeSoon);
    ok(tt.getAttribute("aria-checked") === "true", "Selected item should be enabled");
    ok(ttListContainer.hidden, "Should hide texttrack menu once clicked on an item");
  });

  add_task(async function check_change_texttrack_mode() {
    const tts = [...video.textTracks];

    tts.forEach(tt => tt.mode = "hidden");
    await once(video.textTracks, "change");
    await new Promise(SimpleTest.executeSoon);
    ok(!ccBtn.hasAttribute("enabled"), "CC button should be disabled");

    // enable the last text track.
    tts[tts.length - 1].mode = "showing";
    await once(video.textTracks, "change");
    await new Promise(SimpleTest.executeSoon);
    ok(ccBtn.hasAttribute("enabled"), "CC button should be enabled");
    ok(ttList.lastChild.getAttribute("aria-checked") === "true", "The last item should be highlighted");
  });

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