60 lines
1.7 KiB
HTML
60 lines
1.7 KiB
HTML
<!DOCTYPE HTML>
|
|
<html class="reftest-wait">
|
|
<title>The default scroll() timeline for print</title>
|
|
<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scroll-notation">
|
|
<link rel="help" href="https://drafts.csswg.org/css-animations-2/#animation-timeline">
|
|
<meta name="assert" content="CSS animation correctly updates values when using the default scroll() timeline">
|
|
<link rel="match" href="scroll-timeline-default-print-ref.html">
|
|
|
|
<style>
|
|
@keyframes update {
|
|
from { transform: translateY(0px); }
|
|
to { transform: translateY(200px); }
|
|
}
|
|
|
|
html {
|
|
print-color-adjust: exact;
|
|
min-height: 100%;
|
|
padding-bottom: 100px;
|
|
}
|
|
|
|
#box {
|
|
width: 100px;
|
|
height: 100px;
|
|
background-color: green;
|
|
animation: update 1s linear;
|
|
animation-timeline: scroll();
|
|
}
|
|
|
|
* {
|
|
margin-top: 0px;
|
|
margin-bottom: 0px;
|
|
}
|
|
</style>
|
|
|
|
<div id="box"></div>
|
|
<script src="/web-animations/testcommon.js"></script>
|
|
<script>
|
|
document.documentElement.addEventListener('TestRendered', async () => {
|
|
runTest();
|
|
}, { once: true });
|
|
|
|
async function runTest() {
|
|
const scroller = document.scrollingElement;
|
|
|
|
await waitForCompositorReady();
|
|
|
|
// Move the scroller to the halfway point.
|
|
// When printing, a timeline associated with the document's scrolling
|
|
// element will become inactive. The root scroller is considered to be
|
|
// fully in view with a scroll range of zero.
|
|
// https://github.com/w3c/csswg-drafts/issues/8226
|
|
const maxScroll = scroller.scrollHeight - scroller.clientHeight;
|
|
scroller.scrollTop = 0.5 * maxScroll;
|
|
|
|
await waitForNextFrame();
|
|
await waitForNextFrame();
|
|
|
|
document.documentElement.classList.remove("reftest-wait");
|
|
}
|
|
</script>
|