Index: components/viz/hittest/hittest.h |
diff --git a/components/viz/hittest/hittest.h b/components/viz/hittest/hittest.h |
new file mode 100644 |
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+++ b/components/viz/hittest/hittest.h |
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+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef COMPONENTS_VIZ_HITTEST_HITTEST_H_ |
+#define COMPONENTS_VIZ_HITTEST_HITTEST_H_ |
+ |
+#include <stdint.h> |
+ |
+#include <map> |
+#include <memory> |
+ |
+#include "cc/output/compositor_frame.h" |
+#include "cc/surfaces/surface_id.h" |
+#include "components/viz/hittest/hittest_export.h" |
+#include "components/viz/hittest/public/interfaces/hittest_data.mojom.h" |
+#include "ui/gfx/geometry/quad_f.h" |
+ |
+namespace viz { |
+ |
+// Hittest |
+// Maintains maping between display regions and associated surfaces |
+// in shared memory to enable efficient hit testing across processes. |
+// |
+// This is intended to be created in the viz or GPU process. For mus+ash this |
+// will be true after the mus process split. |
+ |
+class HITTEST_EXPORT Hittest { |
+ public: |
+ static cc::SurfaceId SurfaceIdAtPoint(cc::SurfaceId root_surface_id, |
+ const gfx::Point& point, |
+ gfx::Point* transformed_point) { |
+ return GetInstance()->InternalGetSurfaceIdAtPoint(root_surface_id, point, |
+ transformed_point); |
+ } |
+ |
+ static void DisplayWillDrawAndSwap(bool will_draw_and_swap, |
+ const cc::RenderPassList& render_passes) { |
+ GetInstance()->Aggregate(); |
+ } |
+ |
+ private: |
+ static Hittest* instance_; |
+ |
+ static Hittest* GetInstance() { |
+ if (instance_ == NULL) { |
+ instance_ = new Hittest(); |
+ } |
+ return instance_; |
+ } |
+ |
+ Hittest(); |
+ ~Hittest(); |
+ |
+ std::map<cc::SurfaceId, hittest::mojom::HittestData> pending_; |
+ |
+ struct Region; |
+ std::vector<Region> regions_[2]; |
+ std::vector<Region>* current_regions_; |
+ |
+ cc::SurfaceId InternalGetSurfaceIdAtPoint(cc::SurfaceId root_surface_id, |
+ const gfx::Point& point, |
+ gfx::Point* transformed_point); |
+ |
+ void SubmitHittestData(const hittest::mojom::HittestData& hittest_data); |
+ |
+ void Aggregate(); |
+ |
+ void swap(); |
+}; |
+ |
+} // namespace viz |
+ |
+#endif // COMPONENTS_VIZ_HITTEST_HITTEST_H_ |