| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .region { -webkit-flow-from: flow; } |
| .absolute { position: absolute; } |
| .fixed { position: fixed; } |
| #red { position: absolute; top: 150px; left: 150px; width: 50px; height: 50px; background-color: red; } |
| #fixedFromAbs { -webkit-flow-into: flow; top: 150px; left: 150px; width: 50px; height: 50px; background-color: green; } |
| </style> |
| <script> |
| if (window.internals) |
| window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true); |
| |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| window.addEventListener("load", function() { |
| document.getElementById("fixedFromAbs").className = "fixed"; |
| if (window.internals) |
| document.getElementById("layerTree").innerText = window.internals.layerTreeAsText(document); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <p>Test that an absolutely positioned element that is dynamicaly changed to fixed is positioned relative to the viewport instead of first region.</p> |
| <p>The fixed element should be composited.</p> |
| <p>On success you should not see red below.</p> |
| <!-- The region is necessary in order to show the fixed element --> |
| <div class="region"></div> |
| <div id="red"></div> |
| <div id="fixedFromAbs" class="absolute"></div> |
| <pre id="layerTree"></pre> |
| </body> |
| </html> |
