| OLD | NEW |
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 | 2 |
| 3 <!-- | 3 <!-- |
| 4 This test checks that the contents of accelerated scrolling layers are properly | 4 This test checks that the contents of accelerated scrolling layers are properly |
| 5 updated also outside the current overflow clip. See | 5 updated also outside the current overflow clip. See |
| 6 https://bugs.webkit.org/show_bug.cgi?id=100524. | 6 https://bugs.webkit.org/show_bug.cgi?id=100524. |
| 7 --> | 7 --> |
| 8 | 8 |
| 9 <html> | 9 <html> |
| 10 <head> | 10 <head> |
| 11 <style type="text/css"> | 11 <style type="text/css"> |
| 12 #scroller { | 12 #scroller { |
| 13 overflow: scroll; | 13 overflow: scroll; |
| 14 -webkit-overflow-scrolling: touch; | 14 -webkit-overflow-scrolling: touch; |
| 15 width: 200px; | 15 width: 200px; |
| 16 height: 200px; | 16 height: 200px; |
| 17 } | 17 } |
| 18 | 18 |
| 19 #indicator { | 19 #indicator { |
| 20 background: red; | 20 background: red; |
| 21 height: 200px; | 21 height: 200px; |
| 22 } | 22 } |
| 23 | 23 |
| 24 #content { | 24 #content { |
| 25 height: 1000px; | 25 height: 1000px; |
| 26 } | 26 } |
| 27 </style> | 27 </style> |
| 28 <script src="../../fast/repaint/resources/text-based-repaint.js"></script> |
| 28 <script type="text/javascript"> | 29 <script type="text/javascript"> |
| 29 if (window.internals) | 30 if (window.internals) |
| 30 window.internals.settings.setAcceleratedCompositingForOverflowScrollEn
abled(true); | 31 window.internals.settings.setAcceleratedCompositingForOverflowScrollEn
abled(true); |
| 31 | 32 |
| 32 window.addEventListener('load', function() { | 33 window.addEventListener('load', function() { |
| 33 if (!window.testRunner || !window.internals) { | |
| 34 alert('This test requires testRunner to run!'); | |
| 35 return; | |
| 36 } | |
| 37 testRunner.dumpAsText(); | |
| 38 | |
| 39 var scroller = document.getElementById('scroller'); | 34 var scroller = document.getElementById('scroller'); |
| 40 var indicator = document.getElementById('indicator'); | 35 var indicator = document.getElementById('indicator'); |
| 41 | 36 |
| 42 // Make sure the scrolling content is painted before we start. | 37 // Make sure the scrolling content is painted before we start. |
| 43 scroller.offsetTop; | 38 scroller.offsetTop; |
| 44 | 39 |
| 45 // Scroll all the way to the bottom and change the color of the | 40 // Scroll all the way to the bottom and change the color of the |
| 46 // indicator (which is now outside the overflow clip). | 41 // indicator (which is now outside the overflow clip). |
| 47 scroller.scrollTop = 1000; | 42 scroller.scrollTop = 1000; |
| 48 window.internals.startTrackingRepaints(document); | 43 |
| 44 runRepaintTest(); |
| 45 }); |
| 46 |
| 47 function repaintTest() { |
| 48 var scroller = document.getElementById('scroller'); |
| 49 var indicator = document.getElementById('indicator'); |
| 50 |
| 49 indicator.style.background = 'green'; | 51 indicator.style.background = 'green'; |
| 50 | 52 |
| 51 // Scroll back up so that the updated (green) indicator is visible. | 53 // Scroll back up so that the updated (green) indicator is visible. |
| 52 var layerTree = document.getElementById('layerTree'); | |
| 53 scroller.scrollTop = 0; | 54 scroller.scrollTop = 0; |
| 54 layerTree.innerText = | 55 } |
| 55 window.internals.layerTreeAsText(document, internals.LAYER_TREE_IN
CLUDES_REPAINT_RECTS); | |
| 56 window.internals.stopTrackingRepaints(document); | |
| 57 }); | |
| 58 </script> | 56 </script> |
| 59 </head> | 57 </head> |
| 60 <body> | 58 <body> |
| 61 <div id="scroller"> | 59 <div id="scroller"> |
| 62 <div id="indicator"></div> | 60 <div id="indicator"></div> |
| 63 <div id="content"></div> | 61 <div id="content"></div> |
| 64 </div> | 62 </div> |
| 65 <pre id="layerTree">This text will be replaced with the layer tree.</pre> | |
| 66 </body> | 63 </body> |
| 67 </html> | 64 </html> |
| OLD | NEW |