blob: 3900918819ef72eb8a12be755e10f122b765c5d4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
<!DOCTYPE html>
<html class="reftest-wait">
<title>Test that scrolling to a content-visibility: auto subtree restarts animations in it</title>
<link rel="author" title="Rob Buis" href="mailto:rbuis@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-contain-2/">
<link rel="match" href="content-visibility-animation-and-scroll-ref.html">
<meta name="assert" content="animations in content-visibility: auto subtree should restart when scrolled to">
<script src="/common/reftest-wait.js"></script>
<style>
#container {
content-visibility: auto;
contain-intrinsic-size: 100px 100px;
}
@keyframes unfade {
from { opacity: 0; transform: none; }
to { opacity: 1; transform: translate(100px); }
}
#target {
background: green;
height: 100px;
width: 100px;
}
.animate {
animation: unfade 1s linear 1 alternate;
animation-fill-mode: forwards;
}
#spacer {
height: 300vh;
}
</style>
<body>
<div id="spacer"></div>
<div id="container"></div>
</body>
<script>
function createAnimatingElement(name) {
const container = document.getElementById('container');
const target = document.createElement('div');
container.appendChild(target);
target.id = 'target';
target.className = name;
return target;
}
function runTest() {
const container = document.getElementById('container');
const target = createAnimatingElement('animate');
container.scrollIntoView(true /* alignToTop */);
const listener = (e) => {
spacer.style.height = "0px";
takeScreenshot();
};
target.addEventListener("animationend", listener);
}
window.onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
|
