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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/scroll-animations/css/scroll-animation-initial-offset.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/scroll-animations/css/scroll-animation-initial-offset.html')
| -rw-r--r-- | testing/web-platform/tests/scroll-animations/css/scroll-animation-initial-offset.html | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/testing/web-platform/tests/scroll-animations/css/scroll-animation-initial-offset.html b/testing/web-platform/tests/scroll-animations/css/scroll-animation-initial-offset.html new file mode 100644 index 0000000000..34ae52d479 --- /dev/null +++ b/testing/web-platform/tests/scroll-animations/css/scroll-animation-initial-offset.html @@ -0,0 +1,73 @@ +<!DOCTYPE html> +<html class="reftest-wait"> +<title>Composited scroll-linked animation with initial scroll offset</title> +<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/"> +<link rel="match" href="scroll-animation-initial-offset-ref.html"> +<style> + +#scroller { + overflow-y: auto; + height: 200px; + border: 2px solid green; + position: relative; + background: gray; +} + +.spacer { + height: 1000px; +} + +@keyframes anim { + 0% { transform: translateY(0); } + 100% { transform: translateY(800px); } +} + +#align { + box-sizing: border-box; + width: 100%; + height: 50px; + background: rgba(0, 0, 200, 0.2); + color: white; + position: absolute; + border: 1px solid white; + animation: anim linear 10s; + animation-timeline: scroll(); + will-change: transform; +} + +#marker { + width: 100%; + height: 50px; + background: #640; + position: absolute; + top: 350px; +} + +</style> +<div id="scroller"> + <div id="align">TOP</div> + <div class="spacer"></div> + <div id="marker">BOTTOM</div> +</div> +<script> + + // Test that a scroll-linked animation of a composited property reacts + // correctly to a programmatic scroll early during the page load. + // + // The scroll offset will change before the animation is "started" on the + // compositor, so it needs to be able to handle a non-zero initial offset. + // + scroller.scrollTo(0, 200); + +</script> +<script src="/web-animations/testcommon.js"></script> +<script> + + document.documentElement.addEventListener('TestRendered', async () => { + await waitForCompositorReady(); + await waitForNextFrame(); + await waitForNextFrame(); + document.documentElement.classList.remove("reftest-wait"); + }, { once: true }); + +</script> |