<script src="../../../resources/js-test-pre.js"></script>
<script src="../resources/media-controls-loader.js" type="text/javascript"></script>
<script src="../resources/media-controls-utils.js" type="text/javascript"></script>
<body>
<style type="text/css" media="screen">

    video, #shadow {
        position: absolute;
        left: 0;
        top: 0;
        width: 320px;
        height: 240px;
    }

</style>
<video src="../../content/test.mp4" style="visibility: hidden;" controls autoplay></video>
<div id="shadow"></div>
<script type="text/javascript">

window.jsTestIsAsync = true;

description("Testing the <code>MuteSupport</code> behavior by clicking on the mute button.");

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

shouldBeFalse("mediaController.controls.muteButton.muted");

let numberOfEvents = 0;
media.addEventListener("volumechange", function() {
    debug("");
    debug("volumechange event was dispatched");

    numberOfEvents++;

    if (numberOfEvents == 1) {
        shouldBeTrue("media.muted");
        shouldBeTrue("mediaController.controls.muteButton.muted");
        pressOnMuteButton();
    } else if (numberOfEvents == 2) {
        shouldBeFalse("media.muted");
        shouldBeFalse("mediaController.controls.muteButton.muted");
        debug("");
        host.remove();
        media.remove();
        finishJSTest();
    }
});

function pressOnMuteButton()
{
    debug("");
    debug("Pressing the mute button");
    pressOnElement(mediaController.controls.muteButton.element);
}

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

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