summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/animation-worklet/worklet-animation-with-scroll-timeline.https.html
diff options
context:
space:
mode:
Diffstat (limited to 'testing/web-platform/tests/animation-worklet/worklet-animation-with-scroll-timeline.https.html')
-rw-r--r--testing/web-platform/tests/animation-worklet/worklet-animation-with-scroll-timeline.https.html74
1 files changed, 74 insertions, 0 deletions
diff --git a/testing/web-platform/tests/animation-worklet/worklet-animation-with-scroll-timeline.https.html b/testing/web-platform/tests/animation-worklet/worklet-animation-with-scroll-timeline.https.html
new file mode 100644
index 0000000000..99bd171d92
--- /dev/null
+++ b/testing/web-platform/tests/animation-worklet/worklet-animation-with-scroll-timeline.https.html
@@ -0,0 +1,74 @@
+<html class="reftest-wait">
+<title>Basic use of scroll timeline with WorkletAnimation</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-animationworklet/">
+<meta name="assert" content="Should be able to use the scroll timeline to drive the worklet animation timing">
+<link rel="match" href="worklet-animation-with-scroll-timeline-ref.html">
+
+<script src="/web-animations/testcommon.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<script src="common.js"></script>
+
+<style>
+ #box {
+ width: 100px;
+ height: 100px;
+ background-color: green;
+ }
+
+ #covered {
+ width: 100px;
+ height: 100px;
+ background-color: red;
+ }
+
+ /* Hide scrollbars to avoid unnecessary visual issues related to them */
+ #scroller::-webkit-scrollbar {
+ display: none;
+ }
+
+ #scroller {
+ scrollbar-width: none;
+ overflow: auto;
+ height: 100px;
+ width: 100px;
+ will-change: transform; /* force compositing */
+ }
+
+ #contents {
+ height: 1000px;
+ width: 100%;
+ }
+</style>
+
+<div id="box"></div>
+<div id="covered"></div>
+<div id="scroller">
+ <div id="contents"></div>
+</div>
+
+<script>
+ registerPassthroughAnimator().then(() => {
+ const box = document.getElementById('box');
+ const effect = new KeyframeEffect(box,
+ [
+ { transform: 'translateY(0)', opacity: 1 },
+ { transform: 'translateY(200px)', opacity: 0 }
+ ], {
+ duration: 1000,
+ }
+ );
+
+ const scroller = document.getElementById('scroller');
+ const timeline = new ScrollTimeline({ scrollSource: scroller, orientation: 'block' });
+ const animation = new WorkletAnimation('passthrough', effect, timeline);
+ animation.play();
+
+ // Move the scroller to the halfway point.
+ const maxScroll = scroller.scrollHeight - scroller.clientHeight;
+ scroller.scrollTop = 0.5 * maxScroll;
+
+ waitForAsyncAnimationFrames(1).then(_ => {
+ takeScreenshot();
+ });
+ });
+</script> \ No newline at end of file