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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- TODO update link -->
<link rel="help" href="https://www.w3.org/TR/css-view-transitions-2/">
<title>Display none during transition</title>
</head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#target {
background-color: teal;
height: 100px;
width: 100px;
position: relative;
view-transition-name: target;
}
.hidden {
display: none;
}
::view-transition-group(*) {
animation: unset;
}
::view-transition-old(target) {
animation: -ua-view-transition-fade-out 300s;
}
::view-transition-new(target) {
animation: -ua-view-transition-fade-in 300s;
}
</style>
<body>
<div id="target")></div>
</body>
<script>
function animationsCanceledPromise() {
const animations = document.getAnimations();
const promises = animations.map(a => a.finished);
return new Promise(async (resolve) => {
const values = await Promise.allSettled(promises);
values.forEach((result) => {
assert_equals(result.status, 'rejected');
});
resolve();
});
}
promise_test(async t => {
const target = document.getElementById('target');
const vt = target.startViewTransition(() => {
target.style.backgroundColor = 'orange';
});
await vt.ready;
const animations = document.getAnimations();
assert_equals(animations.length, 2,
'View transition has running animations');
// wait for all animations to start running before hiding target.
await Promise.all([...animations.map(a => a.ready)]);
target.classList.toggle('hidden');
// Verify that the finished promise is rejected for each of the started
// animations.
await animationsCanceledPromise();
// Verify finished promise is resolved even though the transition did not
// run to completion.
return vt.finished;
}, 'Display none during a view transition skips the transition.');
</script>
</html>
|
