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Side by Side Diff: LayoutTests/compositing/overflow/automatically-opt-into-composited-scrolling.html

Issue 16509007: Cleanup constants for layerTreeAsText. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: naming Created 7 years, 6 months ago
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 2
3 <html> 3 <html>
4 <head> 4 <head>
5 <style> 5 <style>
6 .container { 6 .container {
7 width: 200px; 7 width: 200px;
8 height: 200px; 8 height: 200px;
9 overflow: scroll; 9 overflow: scroll;
10 margin: 20px; 10 margin: 20px;
(...skipping 66 matching lines...) Expand 10 before | Expand all | Expand 10 after
77 // not to opt in to get our first stacking order list. To do this, we need 77 // not to opt in to get our first stacking order list. To do this, we need
78 // to disable compositing for overflow scroll entirely. 78 // to disable compositing for overflow scroll entirely.
79 // 79 //
80 // Unfortunately this operation won't dirty any style bits, and we will 80 // Unfortunately this operation won't dirty any style bits, and we will
81 // need to perform a full style recalc both here and below when we force 81 // need to perform a full style recalc both here and below when we force
82 // to promote, so that we reevaluate whether or not container can be 82 // to promote, so that we reevaluate whether or not container can be
83 // composited. To ensure that we perform the full style recalc, we need to 83 // composited. To ensure that we perform the full style recalc, we need to
84 // change a style property so the style is dirty, and force the style to 84 // change a style property so the style is dirty, and force the style to
85 // be cleaned with document.body.offsetTop (inside getStackingOrder()). 85 // be cleaned with document.body.offsetTop (inside getStackingOrder()).
86 window.internals.setNeedsCompositedScrolling(container, 86 window.internals.setNeedsCompositedScrolling(container,
87 window.internals.CompositedScrollingAlwaysOff); 87 window.internals.COMPOSITED_SCROLLING_ALWAYS_OFF);
88 container.style.webkitTransform = ''; 88 container.style.webkitTransform = '';
89 89
90 var oldStackingOrder = getStackingOrder(container); 90 var oldStackingOrder = getStackingOrder(container);
91 91
92 window.internals.setNeedsCompositedScrolling(container, 92 window.internals.setNeedsCompositedScrolling(container,
93 window.internals.CompositedScrollingAlwaysOn); 93 window.internals.COMPOSITED_SCROLLING_ALWAYS_ON);
94 container.style.webkitTransform = 'translateZ(0px)'; 94 container.style.webkitTransform = 'translateZ(0px)';
95 95
96 var newStackingOrder = getStackingOrder(container); 96 var newStackingOrder = getStackingOrder(container);
97 97
98 window.internals.setNeedsCompositedScrolling(container, 98 window.internals.setNeedsCompositedScrolling(container,
99 window.internals.settings.DoNotForceCompositedScrolling); 99 window.internals.settings.DO_NOT_FORCE_COMPOSITED_SCROLLING);
100 100
101 var shouldOptIn = oldStackingOrder.length === newStackingOrder.length; 101 var shouldOptIn = oldStackingOrder.length === newStackingOrder.length;
102 for (var i = 0; i < oldStackingOrder.length; ++i) { 102 for (var i = 0; i < oldStackingOrder.length; ++i) {
103 if (oldStackingOrder[i] !== newStackingOrder[i]) { 103 if (oldStackingOrder[i] !== newStackingOrder[i]) {
104 shouldOptIn = false; 104 shouldOptIn = false;
105 break; 105 break;
106 } 106 }
107 } 107 }
108 108
109 container.style.webkitTransform = ''; 109 container.style.webkitTransform = '';
(...skipping 26 matching lines...) Expand all
136 permute(testPermutation); 136 permute(testPermutation);
137 } 137 }
138 138
139 window.addEventListener('load', doTest, false); 139 window.addEventListener('load', doTest, false);
140 </script> 140 </script>
141 </head> 141 </head>
142 142
143 <body> 143 <body>
144 </body> 144 </body>
145 </html> 145 </html>
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