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| (Empty) |
| 1 <!DOCTYPE html> | |
| 2 <style> | |
| 3 ::-webkit-scrollbar { | |
| 4 width: 0px; | |
| 5 height: 0px; | |
| 6 } | |
| 7 | |
| 8 body, html { | |
| 9 width: 100%; | |
| 10 height: 100%; | |
| 11 background-color: blue; | |
| 12 } | |
| 13 | |
| 14 body { | |
| 15 margin: 0px; | |
| 16 } | |
| 17 | |
| 18 iframe { | |
| 19 width: 100vw; | |
| 20 height: 100vh; | |
| 21 left: -50px; | |
| 22 top: -50px; | |
| 23 position: absolute; | |
| 24 border: 0; | |
| 25 } | |
| 26 | |
| 27 .clipBox { | |
| 28 position: absolute; | |
| 29 overflow: hidden; | |
| 30 left: 50px; | |
| 31 right: 50px; | |
| 32 top: 50px; | |
| 33 bottom: 50px; | |
| 34 } | |
| 35 | |
| 36 .compositedClipBox { | |
| 37 position: absolute; | |
| 38 overflow: hidden; | |
| 39 left: 50px; | |
| 40 right: 50px; | |
| 41 top: 50px; | |
| 42 bottom: 50px; | |
| 43 background-color: red; | |
| 44 transform: translateZ(0); | |
| 45 } | |
| 46 | |
| 47 #scroller { | |
| 48 position: absolute; | |
| 49 left: -100px; | |
| 50 right: -100px; | |
| 51 top: -100px; | |
| 52 bottom: -100px; | |
| 53 background-color: yellow; | |
| 54 overflow: auto; | |
| 55 transform: translateZ(0); | |
| 56 } | |
| 57 | |
| 58 .spacer { | |
| 59 height: 1000px; | |
| 60 } | |
| 61 </style> | |
| 62 | |
| 63 <script> | |
| 64 // This test passed if the output contains a yellow box in a red box in a | |
| 65 // blue box. We expect that the "clipBox" boxes in this document will have | |
| 66 // their clipping layers restored once the root scroller is reset. | |
| 67 if (window.testRunner) { | |
| 68 testRunner.dumpAsTextWithPixelResults(); | |
| 69 testRunner.waitUntilDone(); | |
| 70 } | |
| 71 | |
| 72 window.addEventListener('load', function() { | |
| 73 document.rootScroller = document.getElementById('scroller'); | |
| 74 | |
| 75 window.requestAnimationFrame(function() { | |
| 76 document.rootScroller = null; | |
| 77 testRunner.notifyDone(); | |
| 78 }); | |
| 79 }); | |
| 80 </script> | |
| 81 | |
| 82 <div class="compositedClipBox"> | |
| 83 <div class="clipBox"> | |
| 84 <div id="scroller"> | |
| 85 <div class="spacer"></div> | |
| 86 </div> | |
| 87 </div> | |
| 88 </div> | |
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Chromium Code Reviews
Issue 2745063005:
Remove document.rootScroller compositing clipping effects. (Closed)
