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1 <!-- Based on fast/repaint/position-change-keeping-geometry.html --> | 1 <!-- Based on fast/repaint/position-change-keeping-geometry.html --> |
2 <!DOCTYPE html> | 2 <!DOCTYPE html> |
3 <script src="resources/paint-invalidation-test.js"></script> | 3 <script src="resources/paint-invalidation-test.js"></script> |
4 <script> | 4 <script> |
5 function changePositionKeepingGeometry(id, newPosition) { | 5 function changePositionKeepingGeometry(id, newPosition) { |
6 var target = document.getElementById(id); | 6 var target = document.getElementById(id); |
7 var originalTop = target.offsetTop; | 7 var originalTop = target.offsetTop; |
8 var originalLeft = target.offsetLeft; | 8 var originalLeft = target.offsetLeft; |
9 target.style.position = newPosition; | 9 target.style.position = newPosition; |
10 target.style.top = originalTop + 'px'; | 10 target.style.top = originalTop + 'px'; |
11 target.style.left = originalLeft + 'px'; | 11 target.style.left = originalLeft + 'px'; |
12 } | 12 } |
13 | 13 |
14 window.expectedPaintInvalidationObjects = [ | |
15 "LayoutBlockFlow (positioned) DIV id='target2'", | |
16 "LayoutBlockFlow (positioned) DIV id='target3'", | |
17 ]; | |
18 function paintInvalidationTest() | 14 function paintInvalidationTest() |
19 { | 15 { |
20 changePositionKeepingGeometry('target1', 'absolute'); | 16 changePositionKeepingGeometry('target1', 'absolute'); |
21 changePositionKeepingGeometry('target2', 'absolute'); | 17 changePositionKeepingGeometry('target2', 'absolute'); |
22 changePositionKeepingGeometry('target3', 'fixed'); | 18 changePositionKeepingGeometry('target3', 'fixed'); |
23 } | 19 } |
24 onload = runPaintInvalidationTest; | 20 onload = runPaintInvalidationTest; |
25 </script> | 21 </script> |
26 <style> | 22 <style> |
27 body { | 23 body { |
(...skipping 23 matching lines...) Expand all Loading... |
51 position: absolute; | 47 position: absolute; |
52 z-index: 0; | 48 z-index: 0; |
53 } | 49 } |
54 </style> | 50 </style> |
55 There should be no invalildations on change of position without actual change of
position and size. | 51 There should be no invalildations on change of position without actual change of
position and size. |
56 <!-- target0 ensures we don't strip anonymous wrappers (and trigger a layout) wh
en the other elements change position. --> | 52 <!-- target0 ensures we don't strip anonymous wrappers (and trigger a layout) wh
en the other elements change position. --> |
57 <div id="target0"></div> | 53 <div id="target0"></div> |
58 <div id="target1"></div> | 54 <div id="target1"></div> |
59 <div id="target2"></div> | 55 <div id="target2"></div> |
60 <div id="target3"></div> | 56 <div id="target3"></div> |
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