| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <style> |
| .event { |
| position:relative; |
| background-color:blue; |
| width:200px; |
| height:200px; |
| } |
| .child { |
| position:relative; |
| background-color:blue; |
| left:200px; |
| width:50px; |
| height:50px; |
| } |
| .offset { |
| left: 200px; |
| } |
| |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| window.onload = () => { |
| document.body.offsetLeft; |
| |
| function listener() { |
| results.textContent += 'wheel\n'; |
| } |
| window.addEventListener("wheel", listener); |
| |
| let log = ""; |
| if (window.internals) |
| log += internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_EVENT_REGION | internals.LAYER_TREE_INCLUDES_ROOT_LAYER_PROPERTIES); |
| |
| window.removeEventListener('wheel', listener); |
| document.addEventListener('wheel', () => { results.textContent += 'passive wheel\n' }, { passive: true }); |
| |
| if (window.internals) |
| log += internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_EVENT_REGION | internals.LAYER_TREE_INCLUDES_ROOT_LAYER_PROPERTIES); |
| |
| results.textContent = log; |
| } |
| </script> |
| <body> |
| <div class="event" id="active"> |
| <div class="child"></div> |
| </div> |
| <div class="event offset" id="passive"> |
| <div class="child"></div> |
| </div> |
| <pre id="results"></pre> |
| </body> |
| </html> |
