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| (Empty) |
| 1 <!-- Based on compositing/overflow/updating-scrolling-content.html --> | |
| 2 <!DOCTYPE html> | |
| 3 | |
| 4 <!-- | |
| 5 This test checks that the contents of accelerated scrolling layers are properly | |
| 6 updated also outside the current overflow clip. See | |
| 7 https://bugs.webkit.org/show_bug.cgi?id=100524. | |
| 8 --> | |
| 9 | |
| 10 <html> | |
| 11 <head> | |
| 12 <style type="text/css"> | |
| 13 #scroller { | |
| 14 overflow: scroll; | |
| 15 -webkit-overflow-scrolling: touch; | |
| 16 width: 200px; | |
| 17 height: 200px; | |
| 18 } | |
| 19 | |
| 20 #indicator { | |
| 21 background: red; | |
| 22 height: 200px; | |
| 23 } | |
| 24 | |
| 25 #content { | |
| 26 height: 1000px; | |
| 27 } | |
| 28 </style> | |
| 29 <script src="resources/paint-invalidation-test.js"></script> | |
| 30 <script type="text/javascript"> | |
| 31 if (window.internals) | |
| 32 window.internals.settings.setPreferCompositingToLCDTextEnabled(true); | |
| 33 | |
| 34 window.addEventListener('load', function() { | |
| 35 var scroller = document.getElementById('scroller'); | |
| 36 var indicator = document.getElementById('indicator'); | |
| 37 | |
| 38 // Make sure the scrolling content is painted before we start. | |
| 39 scroller.offsetTop; | |
| 40 | |
| 41 // Scroll all the way to the bottom and change the color of the | |
| 42 // indicator (which is now outside the overflow clip). | |
| 43 scroller.scrollTop = 1000; | |
| 44 | |
| 45 runPaintInvalidationTest(); | |
| 46 }); | |
| 47 | |
| 48 function paintInvalidationTest() { | |
| 49 var scroller = document.getElementById('scroller'); | |
| 50 var indicator = document.getElementById('indicator'); | |
| 51 | |
| 52 indicator.style.background = 'green'; | |
| 53 | |
| 54 // Scroll back up so that the updated (green) indicator is visible. | |
| 55 scroller.scrollTop = 0; | |
| 56 } | |
| 57 </script> | |
| 58 </head> | |
| 59 <body> | |
| 60 <div id="scroller"> | |
| 61 <div id="indicator"></div> | |
| 62 <div id="content"></div> | |
| 63 </div> | |
| 64 </body> | |
| 65 </html> | |
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Chromium Code Reviews
Issue 2010243002:
Remove paint/invalidation/spv2 (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master