Chromium Code Reviews Chromium Code Reviews
Issue 851693007:
Prepare for responsive CSS animations. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master| OLD | NEW |
|---|---|
| (Empty) | |
| 1 <html> | |
| 2 <style> | |
| 3 div { | |
| 4 position: relative; | |
| 5 height: 100px; | |
| 6 width: 100px; | |
| 7 background: blue; | |
| 8 transform: translateZ(0); | |
|
Timothy Loh
2015/02/11 03:54:36
"will-change: transform" instead probably?
| |
| 9 left: 0px; | |
| 10 -webkit-animation-duration: 2s; | |
| 11 -webkit-animation-timing-function: linear; | |
| 12 -webkit-animation-iteration-count: 2; | |
| 13 } | |
| 14 | |
| 15 .anim-left { | |
| 16 -webkit-animation-name: anim-left; | |
| 17 z-index: 100; | |
| 18 } | |
| 19 | |
| 20 .anim-transform { | |
| 21 -webkit-animation-name: anim-transform; | |
| 22 z-index: 200; | |
| 23 } | |
| 24 | |
| 25 @-webkit-keyframes anim-left { | |
| 26 100% { left: 300px; } | |
| 27 } | |
| 28 | |
| 29 @-webkit-keyframes anim-transform { | |
| 30 100% { transform: translateX(300px); } | |
| 31 } | |
| 32 </style> | |
| 33 <body> | |
| 34 <p> | |
| 35 The section below has two boxes, the top runs on the main thread, the bottom | |
| 36 on the compositor. The animations should be identical but start at different | |
| 37 times. | |
| 38 </p><p> | |
| 39 This test is successful if the each pair of boxes are mostly in sync (there | |
| 40 might be a small offset between them). | |
| 41 </p> | |
| 42 <hr> | |
| 43 | |
| 44 <div id="target-left" class='anim-left'></div> | |
| 45 <div id="target-transform" class='anim-transform'></div> | |
| 46 | |
| 47 </body> | |
| 48 <script> | |
| 49 setTimeout(function() { document.getElementById('target-left').style.left = '5 00px'; }, 2000); | |
| 50 setTimeout(function() { document.getElementById('target-transform').style.tran sform = 'translateX(500px)'; }, 2000); | |
| 51 </script> | |
| 52 </html> | |
| OLD | NEW |
