| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| body { |
| height: 2000px; |
| width: 2000px; |
| } |
| |
| .fixed { |
| position: fixed; |
| background-color: gray; |
| } |
| |
| #top, #bottom { |
| width: 100%; |
| left: 0; |
| height: 100px; |
| } |
| |
| #left, #right { |
| width: 100px; |
| top: 0; |
| height: 100%; |
| } |
| |
| #top { top: 0; } |
| #bottom { bottom: 0; } |
| |
| #left { left: 0; } |
| #right { right: 0; } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function doAfterZooming() |
| { |
| // Zooming may scroll the view away from the origin. |
| window.scrollTo(0, 0); |
| |
| if (window.internals) { |
| document.getElementById('scrolling-tree').textContent = internals.scrollingStateTreeAsText(); |
| document.getElementById('layer-tree').textContent = internals.layerTreeAsText(document); |
| } |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| |
| function getUIScript() |
| { |
| return `(function() { |
| uiController.zoomToScale(2, function() { |
| uiController.uiScriptComplete(uiController.zoomScale); |
| }); |
| })();`; |
| } |
| |
| function doTest() |
| { |
| if (!window.testRunner) |
| return; |
| |
| testRunner.runUIScript(getUIScript(), function(zoomScale) { |
| doAfterZooming(); |
| }); |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| <div id="top" class="fixed"></div> |
| <div id="bottom" class="fixed"></div> |
| <div id="left" class="fixed"></div> |
| <div id="right" class="fixed"></div> |
| <pre id="scrolling-tree">Scrolling tree goes here</pre> |
| <pre id="layer-tree">Layer tree goes here</pre> |
| </body> |
| </html> |