| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style type="text/css" media="screen"> |
| iframe { |
| border: 10px solid black; |
| padding: 5px; |
| margin: 20px; |
| height: 150px; |
| width: 300px; |
| -webkit-box-shadow: 0 0 20px black; |
| } |
| |
| #box { |
| height: 100px; |
| width: 100px; |
| background-color: blue; |
| } |
| |
| .composited { |
| -webkit-transform: translateZ(0); |
| } |
| |
| </style> |
| <script type="text/javascript" charset="utf-8"> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function doTest() |
| { |
| if (window.testRunner) |
| testRunner.displayAndTrackRepaints(); |
| |
| document.getElementById('box').className = 'composited'; |
| if (window.testRunner) { |
| document.getElementById('iframe').contentDocument.body.offsetWidth; // update iframe layout |
| document.getElementById('layers').innerText = window.internals.layerTreeAsText(document); |
| testRunner.notifyDone(); |
| } |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <div id="box"></div> |
| |
| <!-- Test with already-composited iframe contents, and iframe itself composited. --> |
| <iframe id="iframe" src="resources/composited-subframe.html"></iframe> |
| |
| <p>When the parent document becomes composited, the layer trees should get connected together.</p> |
| <pre id="layers">Layer tree appears here in DRT.</pre> |
| </body> |
| </html> |
