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| 1 <!-- Based on fast/repaint/fixed-child-of-transformed-scrolled.html --> |
1 <!DOCTYPE html> | 2 <!DOCTYPE html> |
2 <script src="resources/text-based-repaint.js"></script> | 3 <script src="resources/paint-invalidation-test.js"></script> |
3 <script> | 4 <script> |
4 function repaintTest() { | 5 window.expectedPaintInvalidationObjects = [ |
| 6 "LayoutBlockFlow (positioned) DIV id='fixed'", |
| 7 ]; |
| 8 function paintInvalidationTest() { |
5 document.getElementById('fixed').style.backgroundColor = 'green'; | 9 document.getElementById('fixed').style.backgroundColor = 'green'; |
6 } | 10 } |
7 onload = function() { | 11 onload = function() { |
8 document.getElementById('transformed').scrollTop = 50; | 12 document.getElementById('transformed').scrollTop = 50; |
9 runRepaintTest(); | 13 runPaintInvalidationTest(); |
10 } | 14 } |
11 </script> | 15 </script> |
12 <style> | 16 <style> |
13 #transformed { | 17 #transformed { |
14 position: absolute; | 18 position: absolute; |
15 top: 50px; | 19 top: 50px; |
16 left: 100px; | 20 left: 100px; |
17 transform: translateX(0); | 21 transform: translateX(0); |
18 overflow: scroll; | 22 overflow: scroll; |
19 width: 300px; | 23 width: 300px; |
20 height: 300px; | 24 height: 300px; |
21 } | 25 } |
22 #fixed { | 26 #fixed { |
23 position: fixed; | 27 position: fixed; |
24 top: 150px; | 28 top: 150px; |
25 left: 100px; | 29 left: 100px; |
26 width: 100px; | 30 width: 100px; |
27 height: 100px; | 31 height: 100px; |
28 background-color: red; | 32 background-color: red; |
29 } | 33 } |
30 #relative { | |
31 position: relative; | |
32 top: 50px; | |
33 left: 50px; | |
34 } | |
35 /* to make the transformed container scrollable */ | 34 /* to make the transformed container scrollable */ |
36 #content { | 35 #content { |
37 width: 1000px; | 36 width: 1000px; |
38 height: 1000px; | 37 height: 1000px; |
39 } | 38 } |
40 </style> | 39 </style> |
41 Tests invalidation of a fixed-position child of a transformed scrolled element. | 40 Tests invalidation of a fixed-position child of a transformed scrolled element. |
42 Passes if there is a green box at the center of the scrollable area. | 41 Passes if there is a green box at the center of the scrollable area. |
43 <div id="transformed"> | 42 <div id="transformed"> |
44 <div id="fixed"></div> | 43 <div id="fixed"></div> |
45 <div id="content"></div> | 44 <div id="content"></div> |
46 </div> | 45 </div> |
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