| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| |
| .animating { |
| animation: slide 10s alternate linear infinite; |
| } |
| |
| .container { |
| height: 200px; |
| width: 250px; |
| padding: 5px; |
| border: 1px solid black; |
| } |
| |
| .banner { |
| width: 100%; |
| height: 50px; |
| background-color: silver; |
| } |
| |
| .box { |
| position: relative; |
| height: 100px; |
| width: 100px; |
| margin: 10px; |
| background-color: blue; |
| } |
| |
| .test1 { |
| position: absolute; |
| left: 0; |
| top: 10px; |
| background-color: orange; |
| } |
| |
| .test2 { |
| position: absolute; |
| top: 60px; |
| left: 120px; |
| background-color: orange; |
| } |
| |
| .composited { |
| will-change: transform; |
| } |
| |
| @keyframes slide { |
| from { transform: translateX(0px); } |
| to { transform: translateX(100px); } |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function runTest() |
| { |
| if (window.testRunner) { |
| internals.pauseAnimations(0.0); |
| document.getElementById('layers').innerText = internals.layerTreeAsText(document); |
| testRunner.notifyDone(); |
| } |
| } |
| window.addEventListener('load', runTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <div id="to-animate" class="container animating"> |
| <div class="composited banner"></div> |
| <div class="test1 box">Should be composited</div> |
| <div class="test2 box">Should not be composited</div> |
| </div> |
| |
| <div class="box">Should be composited</div> |
| <pre id="layers">Layer tree goes here in DRT</pre> |
| |
| </body> |
| </html> |
