Add fling velocity updates from gesture curves.
As per crrev.com/13674008, WebGestureCurveTarget now supports fling velocity
notifications. This patch hooks in the notifications from existing
WebGestureCurve implementations.
BUG=135975
NOTRY=true
Review URL: https://chromiumcodereview.appspot.com/14128010
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@197139 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index 69ecc85..e559c81 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1745,6 +1745,7 @@
void LayerTreeHostImpl::ClearCurrentlyScrollingLayer() {
active_tree_->ClearCurrentlyScrollingLayer();
did_lock_scrolling_layer_ = false;
+ current_fling_velocity_ = gfx::Vector2dF();
}
void LayerTreeHostImpl::ScrollEnd() {
@@ -1762,6 +1763,10 @@
return ScrollIgnored;
}
+void LayerTreeHostImpl::NotifyCurrentFlingVelocity(gfx::Vector2dF velocity) {
+ current_fling_velocity_ = velocity;
+}
+
void LayerTreeHostImpl::PinchGestureBegin() {
pinch_gesture_active_ = true;
previous_pinch_anchor_ = gfx::Point();
