| <!DOCTYPE HTML> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <style> |
| |
| ::-webkit-scrollbar { |
| display: none; |
| } |
| body { |
| margin: 0px; |
| height: 1000px; |
| width: 1000px; |
| } |
| #scrollable { |
| background-color: #FF7F7F; |
| height: 600px; |
| width: 600px; |
| overflow: scroll; |
| } |
| #content { |
| height: 700px; |
| width: 700px; |
| } |
| |
| </style> |
| |
| <div id="scrollable"> |
| <div id="content"></div> |
| </div> |
| |
| <script> |
| |
| var div = document.getElementById('scrollable'); |
| var rect = div.getBoundingClientRect(); |
| |
| const TOUCH_SOURCE_TYPE = 1; // TOUCH_INPUT from synthetic_gesture_params.h |
| const WHEEL_SOURCE_TYPE = 2; // MOUSE_INPUT from synthetic_gesture_params.h |
| |
| var ScrollByTouch = 1847; // from enum Feature in UseCounter.h |
| var ScrollByWheel = 1848; // from enum Feature in UseCounter.h |
| |
| setup({ explicit_done: true }); |
| test(() => { |
| // Skip touch scroll use count test on mac since touch smoothScrollBy |
| // is not supported for mac. |
| if (navigator.platform.indexOf('Mac') == 0) { |
| scrollByWheel(); |
| } else { |
| chrome.gpuBenchmarking.smoothScrollBy(50, waitForTouchScrollAndCheck, |
| (rect.left + rect.right) / 2, |
| (rect.top + rect.bottom) / 2, |
| TOUCH_SOURCE_TYPE, "down", 4000); |
| } |
| }, "Scrolling by touch/wheel on main/compositor should update usecounters."); |
| |
| function waitForTouchScrollAndCheck() { |
| if (internals.isUseCounted(document, ScrollByTouch)) |
| scrollByWheel(); |
| else |
| requestAnimationFrame(waitForTouchScrollAndCheck); |
| } |
| |
| function scrollByWheel() { |
| chrome.gpuBenchmarking.smoothScrollBy(50, waitForWheelScrollAndCheck, |
| (rect.left + rect.right) / 2, |
| (rect.top + rect.bottom) / 2, |
| WHEEL_SOURCE_TYPE, "down", 4000); |
| } |
| |
| function waitForWheelScrollAndCheck() { |
| if (internals.isUseCounted(document, ScrollByWheel)) |
| done(); |
| else |
| requestAnimationFrame(waitForWheelScrollAndCheck); |
| } |
| |
| </script> |
