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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
<!DOCTYPE html>
<html>
<title>View transitions: Dynamic stylesheet sets correct animations with proper timing function</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions/#setup-transition-pseudo-elements-algorithm">
<link rel="help" href="https://drafts.csswg.org/css-animations-1/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/web-animations/testcommon.js"></script>
<style>
body { margin: 0; }
:root { view-transition-name: none; }
html::view-transition-group(*),
html::view-transition-old(*),
html::view-transition-new(*) {
animation-duration: 10s;
animation-delay: -5s;
animation-play-state: paused;
}
#target { view-transition-name: target; }
.init {
width: 100px;
height: 100px;
}
.large {
width: 300px;
height: 300px;
}
.left {
margin-left: 100px;
}
.right {
margin-left: 300px;
}
/* For generating the transform with ease, as reference */
@keyframes anim {
from { transform: translate(100px); }
to { transform: translate(300px); }
}
</style>
<div id="target"></div>
<script>
promise_test(async t => {
const ref = createDiv(t);
ref.style.animation = "anim 10s -5s paused ease";
target.classList.add("init", "left");
const vt = document.startViewTransition(() => {
target.classList.remove("left");
target.classList.add("right");
});
await vt.ready;
assert_equals(
getComputedStyle(document.documentElement,
"::view-transition-group(target)").animationTimingFunction,
"ease",
"The default timing function"
);
assert_equals(
getComputedStyle(document.documentElement,
"::view-transition-group(target)").transform,
getComputedStyle(ref).transform,
"transform with ease at 50%"
);
await vt.skipTransition();
target.className = "";
}, "The transform property with ease on ::view-transition-group()");
promise_test(async t => {
document.styleSheets[0].insertRule(
"::view-transition-group(target) { animation-timing-function: linear; }",
document.styleSheets[0].cssRules.length
);
t.add_cleanup(() => {
document.styleSheets[0].deleteRule(
document.styleSheets[0].cssRules.length - 1
);
});
target.classList.add("init");
let vt = document.startViewTransition(() => {
target.classList.remove("init");
target.classList.add("large");
});
await vt.ready;
assert_equals(
getComputedStyle(document.documentElement,
"::view-transition-group(target)").width,
"200px",
"width at 50%"
);
assert_equals(
getComputedStyle(document.documentElement,
"::view-transition-group(target)").height,
"200px",
"height at 50%"
);
await vt.skipTransition();
target.className = "";
}, "The sizing properties with linear on ::view-transition-group()");
promise_test(async t => {
target.classList.add("init", "left");
let vt = document.startViewTransition(() => {
target.classList.remove("left");
target.classList.add("right");
});
await vt.ready;
document.styleSheets[0].insertRule(
"::view-transition-group(target) { animation-timing-function: linear; }",
document.styleSheets[0].cssRules.length
);
t.add_cleanup(() => {
document.styleSheets[0].deleteRule(
document.styleSheets[0].cssRules.length - 1
);
});
assert_equals(
getComputedStyle(document.documentElement,
"::view-transition-group(target)").transform,
"matrix(1, 0, 0, 1, 200, 0)",
"transform at 50% with linear"
);
await vt.skipTransition();
target.className = "";
}, "Changing the timing function of ::view-transition-group() when animating");
</script>
</body>
</html>
|
