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Issue 2737653004:
UMA metrics for use count of wheel and touch scrolls. (Closed)
| Index: third_party/WebKit/LayoutTests/fast/scroll-behavior/wheel-and-touch-scroll-use-count.html |
| diff --git a/third_party/WebKit/LayoutTests/fast/scroll-behavior/wheel-and-touch-scroll-use-count.html b/third_party/WebKit/LayoutTests/fast/scroll-behavior/wheel-and-touch-scroll-use-count.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..b3db3aa9fcfb7587fface830ef2d84fc94688de9 |
| --- /dev/null |
| +++ b/third_party/WebKit/LayoutTests/fast/scroll-behavior/wheel-and-touch-scroll-use-count.html |
| @@ -0,0 +1,78 @@ |
| +<!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. |
|
bokan
2017/03/09 17:31:03
Just curious, where does this limitation come from
sahel
2017/03/10 16:21:33
synthetic_gesture_target_mac doesn't override the
bokan
2017/03/10 16:27:13
Acknowledged.
|
| + 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> |
