| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| .container { | |
| position: relative; | |
| height: 100px; | |
| width: 100px; | |
| margin: 10px; | |
| left: 0; | |
| top: 0; | |
| } | |
| .clipping { | |
| position: absolute; | |
| overflow: hidden; | |
| left: 20px; | |
| top: 20px; | |
| height: 100px; | |
| width: 300px; | |
| z-index: 0; | |
| background-color: green; | |
| } | |
| .box { | |
| position: absolute; | |
| top: 75px; | |
| left: 75px; | |
| width: 50px; | |
| height: 50px; | |
| background-color: black; | |
| } | |
| .child { | |
| opacity: 0; | |
| } | |
| .child.changed { | |
| opacity: 0.5; | |
| } | |
| .composited { | |
| -webkit-transform: translateZ(0); | |
| } | |
| </style> | |
| <script> | |
| if (window.testRunner) { | |
| testRunner.dumpAsText(); | |
| testRunner.waitUntilDone(); | |
| } | |
| function doTest() | |
| { | |
| document.getElementById('child').classList.add('changed'); | |
| dumpLayers(); | |
| if (window.testRunner) | |
| testRunner.notifyDone(); | |
| } | |
| function dumpLayers() | |
| { | |
| var layersResult = document.getElementById('layers'); | |
| if (window.testRunner) | |
| layersResult.innerText = window.internals.layerTreeAsText(document); | |
| } | |
| window.addEventListener('load', doTest, false) | |
| </script> | |
| </head> | |
| <body> | |
| <div class="composited container"> | |
| <div id="child" class="child box"> | |
| </div> | |
| </div> | |
| </div> | |
| <pre id="layers">Layer tree goes here in DRT</pre> | |
| </body> | |
| </html> |