<!DOCTYPE html> <!-- webkit-test-runner [ useFlexibleViewport=true ] -->
<meta name="viewport" content="width=device-width">
<script src="../resources/media-controls-utils.js"></script>
<script src="../../../resources/ui-helper.js"></script>
<script src="../../../resources/js-test-pre.js"></script>
<body>
<video src="../../content/audio-tracks.mp4" style="position: absolute; left: 0; top: 0; width: 600px;" controls autoplay muted playsinline></video>
<script type="text/javascript">

window.jsTestIsAsync = true;

description("Clicking on a track in the tracks contextmenu.");

const media = document.querySelector("video");
const shadowRoot = window.internals.shadowRoot(media);

window.internals.setMediaControlsMaximumRightContainerButtonCountOverride(media, 100); // A finite value larger than anything likely.

let selectedTrack = null;

media.addEventListener("play", () => {
    media.pause();

    dumpAudioTracksEnabledState();

    media.audioTracks.addEventListener("change", handleAudioTracksChange);

    shouldBecomeDifferent("shadowRoot.querySelector('button.tracks')", "null", () => {
        shouldBecomeDifferent("shadowRoot.querySelector('button.tracks').getBoundingClientRect().width", "0", () => {
            clickOnTracksButton(clickOnFrenchAudioTrack);
        });
    });
});

function clickOnTracksButton(continuation)
{
    debug("Tapping tracks button...");
    pressOnElement(shadowRoot.querySelector("button.tracks"), () => {
        window.requestAnimationFrame(continuation);
    });
}

async function clickOnFrenchAudioTrack()
{
    debug("Selecting 'French' track...");
    await UIHelper.waitForContextMenuToShow();
    await UIHelper.chooseMenuAction("French Sound");
}

async function clickOnSpanishAudioTrack()
{
    debug("Selecting 'Spanish' track...");
    await UIHelper.waitForContextMenuToShow();
    await UIHelper.chooseMenuAction("Spanish Sound");
}

async function handleAudioTracksChange()
{
    let newSelectedTrack = Array.from(media.audioTracks).find((audioTrack) => audioTrack.enabled);
    if (selectedTrack === newSelectedTrack)
        return;
    selectedTrack = newSelectedTrack;

    debug("Audio tracks changed.");

    dumpAudioTracksEnabledState();

    await UIHelper.waitForContextMenuToHide();

    switch (selectedTrack.label) {
    case "French Sound":
        clickOnTracksButton(clickOnSpanishAudioTrack);
        break;

    case "Spanish Sound":
        media.remove();
        finishJSTest();
        break;
    }
}

function dumpAudioTracksEnabledState()
{
    for (let audioTrack of media.audioTracks)
        debug(`Audio track '${audioTrack.label}' is ${audioTrack.enabled ? "enabled" : "disabled"}.`);
}

</script>
<script src="../../../resources/js-test-post.js"></script>
</body>