<script src="../../../resources/js-test-pre.js"></script>
<script src="../resources/media-controls-loader.js" type="text/javascript"></script>
<body>
<video src="../../content/test.mp4" style="width: 320px; height: 240px;" preload controls></video>
<div id="host"></div>
<script type="text/javascript">

window.jsTestIsAsync = true;

description("Testing <code>AirPlaySupport</code> is only enabled once media has started playing.");

const container = document.querySelector("div#host");
const media = document.querySelector("video");
const mediaController = createControls(container, media, null);
const controls = mediaController.controls;

controls.autoHideController.autoHideDelay = 100;

media.addEventListener("canplay", startTest);

function startTest()
{
    debug("Starting test, the media can be played but hasn't started playing.");

    makeAirPlayAvailable();
}

function makeAirPlayAvailable()
{
    debug("");
    debug("Making AirPlay routes available.");
    media.addEventListener("webkitplaybacktargetavailabilitychanged", playbackTargetAvailabilityChangedOnce, true);
    window.internals.setMockMediaPlaybackTargetPickerEnabled(true);
}

function playbackTargetAvailabilityChangedOnce(event)
{
    media.removeEventListener('webkitplaybacktargetavailabilitychanged', playbackTargetAvailabilityChangedOnce, true);
    media.addEventListener('webkitplaybacktargetavailabilitychanged', playbackTargetAvailabilityChangedAgain, true);

    window.internals.setMockMediaPlaybackTargetPickerState('Sleepy TV', 'DeviceAvailable');
}

function playbackTargetAvailabilityChangedAgain(event)
{
    // setMockMediaPlaybackTargetPickerState happens asynchronously in WK2 and a
    // "webkitplaybacktargetavailabilitychanged" is always sent when an event listener
    // is added, so we may get a "not available" event first.
    if (event.availability == 'not-available')
        return;

    media.removeEventListener('webkitplaybacktargetavailabilitychanged', playbackTargetAvailabilityChangedAgain, true);

    debug("");
    debug("Airplay routes are available and controls are visible on the screen, but since the media hasn't played yet, AirplaySupport should be disabled.");
    shouldBeUndefined("controls.airplayButton.uiDelegate");
    shouldBeTrue("controls.visible");
    shouldBeFalse("controls.faded");

    debug("");
    debug("We play the media so that the Airplay button can be enabled.");
    media.addEventListener("play", mediaDidPlay);
    media.play();
}

function mediaDidPlay()
{
    debug("");
    debug("Media played, AirplaySupport should become enabled now.");
    shouldBecomeEqual("!!controls.airplayButton.uiDelegate", "true", finishTest);
}

function finishTest()
{
    debug("");
    container.remove();
    media.remove();
    finishJSTest();
}

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