author | Botond Ballo <botond@mozilla.com> |
Mon, 18 Apr 2016 20:05:17 -0400 | |
changeset 294167 | e71e60f1459bdbe049b6baa8da439808e2455eb8 |
parent 294166 | 05176146dbf31778259f857e5166cdc9be97e94d |
child 294168 | d430b697c76d7402818653ba2b4fef3c249ffc4e |
push id | 30201 |
push user | kwierso@gmail.com |
push date | Thu, 21 Apr 2016 21:41:56 +0000 |
treeherder | mozilla-central@0891f0fa044c [default view] [failures only] |
perfherder | [talos] [build metrics] [platform microbench] (compared to previous push) |
reviewers | kats |
bugs | 1266154 |
milestone | 48.0a1 |
first release with | nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
|
last release without | nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
|
--- a/gfx/layers/apz/src/AsyncPanZoomController.cpp +++ b/gfx/layers/apz/src/AsyncPanZoomController.cpp @@ -3961,17 +3961,19 @@ Maybe<CSSPoint> AsyncPanZoomController:: return Some(scrollRange.ClampPoint(cssSnapPoint)); } return Nothing(); } void AsyncPanZoomController::ScrollSnapNear(const CSSPoint& aDestination) { if (Maybe<CSSPoint> snapPoint = FindSnapPointNear(aDestination, nsIScrollableFrame::DEVICE_PIXELS)) { - SmoothScrollTo(*snapPoint); + if (*snapPoint != mFrameMetrics.GetScrollOffset()) { + SmoothScrollTo(*snapPoint); + } } } void AsyncPanZoomController::ScrollSnap() { ReentrantMonitorAutoEnter lock(mMonitor); ScrollSnapNear(mFrameMetrics.GetScrollOffset()); }