blob: 7af1984aefa9fecf8f46adf27327ed55ffa42205 (
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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
<!DOCTYPE html>
<html lang="en" class="reftest-wait">
<meta charset="utf-8">
<title>Adding a new display item that has its own PaintedLayer shouldn't cause invalidations in other PaintedLayers on top of it</title>
<style>
.content {
box-sizing: border-box;
width: 200px;
height: 200px;
border: 1px solid black;
}
.fixed {
position: fixed;
top: 20px;
left: 140px;
}
.onTopOfFixed {
position: absolute;
top: 120px;
left: 260px;
}
.reftest-no-paint {
border-color: lime;
}
#aboutToBecomeVisible {
left: 20px;
}
body {
margin: 0;
padding: 20px;
height: 3000px;
}
</style>
<div class="fixed content">
<!--
This layer is just there to force .onTopOfFixed into PaintedLayers above
the page background.
-->
</div>
<div class="onTopOfFixed content" id="aboutToBecomeVisible" style="visibility: hidden">
<!--
This item starts out hidden, and will get its own PaintedLayer when it
becomes visible.
-->
</div>
<div class="fixed content">
<!--
This layer is just there to force the next .onTopOfFixed into its own
PaintedLayer.
-->
</div>
<div class="onTopOfFixed reftest-no-paint content">
<!--
This item shouldn't repaint when the other .onTopOfFixed item becomes visible.
-->
</div>
<script>
function doTest() {
document.querySelector("#aboutToBecomeVisible").style.visibility = "visible";
document.documentElement.removeAttribute("class");
}
document.addEventListener("MozReftestInvalidate", doTest, false);
</script>
|
