Chromium Code Reviews Chromium Code Reviews
Issue 298723011:
Make 'will-change: contents' suppress compositing in subtree (Closed)
Base URL: svn://svn.chromium.org/blink/trunk| OLD | NEW |
|---|---|
| (Empty) | |
| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
|
esprehn
2014/05/23 01:05:58
We normally leave off the <html>, <head> and <body
ajuma
2014/05/23 14:38:31
Done.
| |
| 4 <style> | |
| 5 .shouldNotComposite { | |
| 6 width: 30px; | |
| 7 height: 30px; | |
| 8 margin: 4px; | |
| 9 background-color: blue; | |
| 10 } | |
| 11 | |
| 12 .positioned { | |
| 13 position: relative; | |
| 14 left: 40px; | |
| 15 } | |
| 16 | |
| 17 #willChangeContents { | |
| 18 will-change: contents; | |
| 19 } | |
| 20 | |
| 21 #willChangeOpacity { | |
| 22 will-change: opacity; | |
| 23 } | |
| 24 | |
| 25 #willChangeTransform { | |
| 26 will-change: -webkit-transform; | |
| 27 } | |
| 28 | |
| 29 #willChangeTop { | |
| 30 will-change: top; | |
| 31 } | |
| 32 | |
| 33 #willChangeLeft { | |
| 34 will-change: left; | |
| 35 } | |
| 36 | |
| 37 #animateOpacity { | |
| 38 -webkit-animation: fade-in-out 0.1s linear infinite alternate; | |
| 39 } | |
| 40 | |
| 41 @-webkit-keyframes fade-in-out { from { opacity: 0.3; } to { opacity: 0.9; } } | |
| 42 </style> | |
| 43 | |
| 44 <script> | |
| 45 if (window.testRunner) { | |
| 46 testRunner.dumpAsText(); | |
| 47 testRunner.waitUntilDone(); | |
| 48 } | |
| 49 | |
| 50 function animationEventListener() { | |
| 51 if (window.testRunner) { | |
| 52 document.getElementById('layertree').innerText = window.internals.layerT reeAsText(document); | |
| 53 testRunner.notifyDone(); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 window.addEventListener('load', function() { | |
|
esprehn
2014/05/23 01:05:58
I'd just do onload = function() { it's shorter
ajuma
2014/05/23 14:38:31
Done.
| |
| 58 document.getElementById('animateOpacity').addEventListener('webkitAnimatio nIteration', animationEventListener); | |
| 59 }, false); | |
| 60 </script> | |
| 61 </head> | |
| 62 <body> | |
| 63 <div id="willChangeContents"> | |
| 64 <div id="willChangeOpacity" class="shouldNotComposite"></div> | |
| 65 <div> | |
| 66 <div id="willChangeLeft" class="positioned shouldNotComposite"></div> | |
| 67 </div> | |
| 68 <div> | |
| 69 <div> | |
| 70 <div id="willChangeTransform" class="shouldNotComposite"> | |
| 71 <div id="willChangeTop" class="positioned shouldNotComposite"></div> | |
| 72 </div> | |
| 73 </div> | |
| 74 </div> | |
| 75 <div id="animateOpacity" class="shouldNotComposite"></div> | |
| 76 </div> | |
| 77 | |
| 78 <pre id="layertree"></pre> | |
| 79 </body> | |
| 80 </html> | |
| OLD | NEW |
