<script src="../../../resources/js-test-pre.js"></script>
<script src="../resources/media-controls-loader.js" type="text/javascript"></script>
<body>
<style type="text/css" media="screen">
    
    video, #host {
        position: absolute;
        top: 0;
        left: 0;
        width: 800px;
        height: 240px;
    }
    
</style>
<video src="../../content/test.mp4" autoplay controls></video>
<div id="host"></div>
<script type="text/javascript">

window.jsTestIsAsync = true;

description("Testing the <code>ScrubberSupport</code> behavior when dragging the scrubber.");

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

let numberOfEvents = 0;
scheduler.frameDidFire = function() {
    if (media.paused)
        return;

    const elapsed = mediaController.controls.timeControl.elapsedTimeLabel.element;
    const input = mediaController.controls.timeControl.scrubber.children[1].element;
    const bounds = input.getBoundingClientRect();
    if (elapsed.getBoundingClientRect().width === 0 || bounds.width === 0)
        return;

    media.pause();

    const dragStartX = bounds.left + bounds.width / 2;
    const dragEndX = bounds.left - 1;
    const centerY = bounds.top + bounds.height / 2;

    media.addEventListener("timeupdate", () => {
        numberOfEvents++;

        if (numberOfEvents == 1) {
            shouldBeCloseTo("media.currentTime", media.duration / 2, 0.2);
            const delta = dragEndX - dragStartX;
            const iterations = Math.abs(delta);
            for (let i = 1; i <= iterations; ++i)
                eventSender.mouseMoveTo(dragStartX + i * Math.sign(delta), centerY);

            eventSender.mouseUp();
        } else {
            shouldBe("media.currentTime", "0");
            container.remove();
            media.remove();
            finishJSTest();
        }
    
    });

    // Start dragging.
    eventSender.mouseMoveTo(dragStartX, centerY);
    eventSender.mouseDown();
    scheduler.frameDidFire = null;
};

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