Index: components/viz/hittest/hittest_aggregator.h |
diff --git a/components/viz/hittest/hittest_aggregator.h b/components/viz/hittest/hittest_aggregator.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6a21cfe9ba6349c369fe0398ff990a29f16850ef |
--- /dev/null |
+++ b/components/viz/hittest/hittest_aggregator.h |
@@ -0,0 +1,76 @@ |
+// 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_AGGREGATOR_H_ |
+#define COMPONENTS_VIZ_HITTEST_HITTEST_AGGREGATOR_H_ |
+ |
+#include <stdint.h> |
+ |
+#include <map> |
+#include <memory> |
+ |
+#include "cc/surfaces/surface_id.h" |
+#include "cc/surfaces/surface_observer.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 { |
+ |
+namespace test { |
+class HittestAggregatorTest; |
+} |
+ |
+// 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. |
+ |
+#define LAST_REGION -2 |
+ |
+typedef std::map<cc::SurfaceId, hittest::mojom::HittestDataPtr> HittestDataMap; |
rjkroege
2017/06/02 22:45:45
chrome style prefers using
is a HittestDataPtr a
|
+ |
+class HITTEST_EXPORT HittestAggregator : public cc::SurfaceObserver { |
rjkroege
2017/06/02 22:45:45
Note that since this is per display, you will need
|
+ friend class test::HittestAggregatorTest; |
+ |
+ public: |
+ HittestAggregator(); |
+ ~HittestAggregator(); |
+ |
+ cc::SurfaceId SurfaceIdAtPoint(cc::SurfaceId root_surface_id, |
rjkroege
2017/06/02 22:45:45
we argued about this. Am not convinced that you ne
|
+ const gfx::Point& point, |
+ gfx::Point* transformed_point); |
+ void SubmitHittestData(hittest::mojom::HittestDataPtr hittest_data); |
+ void Aggregate(cc::SurfaceId display_surface_id); |
+ |
+ // SurfaceObserver |
rjkroege
2017/06/02 22:45:45
overrides can be private
|
+ void OnSurfaceCreated(const cc::SurfaceInfo& surface_info) override {} |
+ void OnSurfaceDestroyed(const cc::SurfaceId& surface_id) override {} |
+ void OnSurfaceDamaged(const cc::SurfaceId& surface_id, |
+ const cc::BeginFrameAck& ack, |
+ bool* changed) override {} |
+ void OnSurfaceDiscarded(const cc::SurfaceId& surface_id) override; |
+ void OnSurfaceDamageExpected(const cc::SurfaceId& surface_id, |
+ const cc::BeginFrameArgs& args) override {} |
+ void OnSurfaceWillDraw(const cc::SurfaceId& surface_id) override; |
+ |
+ private: |
+ std::map<cc::SurfaceId, hittest::mojom::HittestDataPtr> pending_; |
rjkroege
2017/06/02 22:45:45
use your using aka typedef?
|
+ std::map<cc::SurfaceId, hittest::mojom::HittestDataPtr> active_; |
rjkroege
2017/06/02 22:45:45
active_ are ones that have been marked as in the d
|
+ |
+ struct Element { |
+ int child_count_; |
+ hittest::mojom::HittestRegion region_; |
+ }; |
+ |
+ Element* regions_[2]; |
+ Element* current_regions_; |
+ |
+ void swap(); |
+}; |
+ |
+} // namespace viz |
+ |
+#endif // COMPONENTS_VIZ_HITTEST_HITTEST_AGGREGATOR_H_ |