| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| .spacer { |
| height: 350px; |
| width: 100%; |
| margin: 10px; |
| background-color: silver; |
| } |
| .box { |
| height: 100px; |
| width: 100px; |
| margin: 10px; |
| border: 1px solid black; |
| background-color: blue; |
| } |
| .composited { |
| -webkit-transform: translateZ(0); |
| box-shadow: 0 0 10px black; |
| } |
| .inner { |
| height: 75px; |
| width: 50px; |
| margin: 10px 12px; |
| background-color: green; |
| } |
| |
| .inner.changed { |
| background-color: orange; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| if (window.internals) |
| internals.setPagination("LeftToRightPaginated", 0); |
| |
| function dumpLayers() |
| { |
| window.setTimeout(function() { |
| if (window.internals) |
| internals.startTrackingRepaints(); |
| document.getElementById('inner').classList.add('changed'); |
| if (window.testRunner) { |
| document.getElementById('layers').innerText = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS); |
| testRunner.notifyDone(); |
| } |
| }, 10); |
| } |
| window.addEventListener('load', dumpLayers, false); |
| </script> |
| </head> |
| <body> |
| |
| <div class="spacer"></div> |
| <div class="spacer"></div> |
| <div class="composited box"> |
| <div id="inner" class="inner box"></div> |
| </div> |
| |
| <pre id="layers">Layer tree goes here in DRT</pre> |
| |
| </body> |
| </html> |
