| OLD | NEW |
|---|
| (Empty) | |
| 1 <!-- PATCH 2 --> |
| 2 <!DOCTYPE html> |
| 3 <html> |
| 4 <head> |
| 5 <style> |
| 6 div { |
| 7 height: 500px; |
| 8 width: 500px; |
| 9 padding: 3px; |
| 10 border-style: solid; |
| 11 border-color: black; |
| 12 border-width: 1px; |
| 13 overflow: scroll; |
| 14 } |
| 15 |
| 16 .filler { |
| 17 position: relative; |
| 18 top: 1000px; |
| 19 } |
| 20 |
| 21 button { |
| 22 display: none; |
| 23 } |
| 24 </style> |
| 25 <script> |
| 26 if (window.internals) |
| 27 window.internals.settings.setAcceleratedCompositingForOverflowScrollEnab
led(true); |
| 28 |
| 29 if (window.testRunner) |
| 30 window.testRunner.dumpAsText(); |
| 31 |
| 32 function doTest() |
| 33 { |
| 34 if (!window.internals) { |
| 35 document.getElementById('toggle1').style.display = 'block'; |
| 36 document.getElementById('toggle2').style.display = 'block'; |
| 37 document.body.offsetTop; |
| 38 return; |
| 39 } |
| 40 |
| 41 var result = window.internals.layerTreeAsText(document); |
| 42 var oofp1 = document.getElementById('oofp1'); |
| 43 var oofp2 = document.getElementById('oofp2'); |
| 44 |
| 45 oofp1.style.position = 'fixed'; |
| 46 document.body.offsetTop; |
| 47 result += window.internals.layerTreeAsText(document); |
| 48 |
| 49 oofp2.style.position = 'fixed'; |
| 50 document.body.offsetTop; |
| 51 result += window.internals.layerTreeAsText(document); |
| 52 |
| 53 oofp1.style.position = 'absolute'; |
| 54 document.body.offsetTop; |
| 55 result += window.internals.layerTreeAsText(document); |
| 56 |
| 57 oofp2.style.position = 'absolute'; |
| 58 document.body.offsetTop; |
| 59 result += window.internals.layerTreeAsText(document); |
| 60 |
| 61 document.getElementById('console').innerHTML = result; |
| 62 } |
| 63 |
| 64 window.addEventListener('load', doTest, false); |
| 65 </script> |
| 66 </head> |
| 67 <body> |
| 68 <div> |
| 69 <div style="width: 450px; height: 450px"> |
| 70 <div style="width: 400px; height: 400px"> |
| 71 <div style="width: 350px; height: 350px"> |
| 72 <div style="position: relative; width: 300px; height: 150px"> |
| 73 <div id="oofp1" style="position: absolute; background-color: red;
height: 50px; width: 50px; left: 50px; overflow: hidden"> |
| 74 </div> |
| 75 <div class="filler"></div> |
| 76 </div> |
| 77 <div style="position: relative; width: 300px; height: 150px"> |
| 78 <div style="width: 250px; height: 100px"> |
| 79 <div id="oofp2" style="position: absolute; background-color: red
; height: 50px; width: 50px; left: 50px; overflow: hidden"></div> |
| 80 <div class="filler"></div> |
| 81 </div> |
| 82 <div class="filler"></div> |
| 83 </div> |
| 84 <div class="filler"></div> |
| 85 </div> |
| 86 <div class="filler"></div> |
| 87 </div> |
| 88 <div class="filler"></div> |
| 89 </div> |
| 90 <div class="filler"></div> |
| 91 </div> |
| 92 <pre id='console'>This test requires window.internals</pre> |
| 93 |
| 94 <button id='toggle1' onClick="document.getElementById('oofp1').style.positio
n = document.getElementById('oofp1').style.position === 'fixed' ? 'absolute' : '
fixed'">toggle 1</button> |
| 95 <button id='toggle2' onClick="document.getElementById('oofp2').style.positio
n = document.getElementById('oofp2').style.position === 'fixed' ? 'absolute' : '
fixed'">toggle 2</button> |
| 96 </body> |
| 97 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 14863002:
Only update composited-scrolling state once after layout. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk