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Unified Diff: cc/layer_tree_host_impl.cc

Issue 11402002: Add API for hit testing layer_impl touchEventHandlerRegions from the host (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Testing more points on the boundaries and also added test for deviceScaleFactor and pageScaleFactor Created 8 years, 1 month ago
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Index: cc/layer_tree_host_impl.cc
diff --git a/cc/layer_tree_host_impl.cc b/cc/layer_tree_host_impl.cc
index 5675aba5d41e0d1de80352007ae649aba787fe42..64d4ed2482731eedef50c9e9d9708c29f2777ef1 100644
--- a/cc/layer_tree_host_impl.cc
+++ b/cc/layer_tree_host_impl.cc
@@ -322,6 +322,21 @@ void LayerTreeHostImpl::scheduleAnimation()
m_client->setNeedsRedrawOnImplThread();
}
+bool LayerTreeHostImpl::checkTouchEventHandlerRegionHit(const gfx::Point& viewportPoint)
+{
+
+ gfx::PointF deviceViewportPoint = viewportPoint.Scale(m_deviceScaleFactor);
danakj 2012/11/13 00:52:48 And this should be: gfx::PointF deviceViewportPoi
+
+ // First find out which layer was hit from the saved list of visible layers
+ // in the most recent frame.
+ LayerImpl* layerImplHitByPointInTouchHandlerRegion = LayerTreeHostCommon::findLayerThatIsHitByPointInTouchHandlerRegion(deviceViewportPoint, m_renderSurfaceLayerList);
+
+ if (layerImplHitByPointInTouchHandlerRegion)
+ return true;
+
+ return false;
+}
+
void LayerTreeHostImpl::trackDamageForAllSurfaces(LayerImpl* rootDrawLayer, const LayerList& renderSurfaceLayerList)
{
// For now, we use damage tracking to compute a global scissor. To do this, we must

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