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| author | tdresser@chromium.org <tdresser@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-04-08 22:56:09 +0000 |
|---|---|---|
| committer | tdresser@chromium.org <tdresser@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-04-08 22:56:09 +0000 |
| commit | e2c3deb64e4a7fca99f3e90bee19b83c7fcb903b (patch) | |
| tree | 059f71870daaf7126f43b65a2a87b07420a4c654 /ui/events/gestures | |
| parent | 1d5d8db8a1c37803286cc90a16554e673aa3d032 (diff) | |
| download | chromium_src-e2c3deb64e4a7fca99f3e90bee19b83c7fcb903b.zip chromium_src-e2c3deb64e4a7fca99f3e90bee19b83c7fcb903b.tar.gz chromium_src-e2c3deb64e4a7fca99f3e90bee19b83c7fcb903b.tar.bz2 | |
Stop touch-absorption from creating large pinch update deltas
TEST=GestureRecognizerTest.PinchAlternatelyConsumedTest
BUG=361223
Review URL: https://codereview.chromium.org/225823004
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@262530 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'ui/events/gestures')
| -rw-r--r-- | ui/events/gestures/gesture_sequence.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ui/events/gestures/gesture_sequence.cc b/ui/events/gestures/gesture_sequence.cc index 2ca1579..f0513dd 100644 --- a/ui/events/gestures/gesture_sequence.cc +++ b/ui/events/gestures/gesture_sequence.cc @@ -708,6 +708,10 @@ GestureSequence::Gestures* GestureSequence::ProcessTouchEventForGesture( case GST_PINCH_THIRD_MOVED_HANDLED: case GST_PINCH_FOURTH_MOVED_HANDLED: case GST_PINCH_FIFTH_MOVED_HANDLED: + // If touches are consumed for a while, and then left unconsumed, we don't + // want a PinchUpdate or ScrollUpdate with a massive delta. + latest_multi_scroll_update_location_ = bounding_box_.CenterPoint(); + pinch_distance_current_ = BoundingBoxDiagonal(bounding_box_); break; case GST_PINCH_FIRST_MOVED: case GST_PINCH_SECOND_MOVED: |