Index: components/viz/hittest/display_hittest_data.h |
diff --git a/components/viz/hittest/display_hittest_data.h b/components/viz/hittest/display_hittest_data.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ae3f57dc3b738dcbca458e9f5f0e7146a6fbb751 |
--- /dev/null |
+++ b/components/viz/hittest/display_hittest_data.h |
@@ -0,0 +1,65 @@ |
+// Copyright 2017 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_DATA_H_ |
rjkroege
2017/06/07 17:16:45
HIT_TEST now
Or... use Targeting
gklassen
2017/06/07 20:04:44
Interesting... are you suggesting replacing HitTes
|
+#define COMPONENTS_VIZ_HITTEST_HITTEST_DATA_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 "hittest_aggregator.h" |
+#include "ui/gfx/geometry/quad_f.h" |
+ |
+namespace viz { |
+ |
+// DiplayHittestData contains the hittest data for the Display. |
+// |
+// It is designed to be in shared memory so that |
+// - the viz process can collect and write the hittest data, and |
+// - other processes can access without process hops or mojo calls |
+// |
+// One instance of this class contains a double buffer of entries - |
+// the viz process will write into one half while client processes read from |
+// the other. front_offset_ is used to swap buffers atomically. |
+ |
+class DisplayHittestData { |
+ public: |
+ static DisplayHittestData* Create(); |
rjkroege
2017/06/07 17:16:45
embed the cast here? align with the buffer code th
|
+ static DisplayHittestData* Create(int size); |
+ |
+ // Build regions from map of active hittest data objects |
+ void Build(const HittestDataMap& map, cc::SurfaceId root_surface_id); |
+ void Swap(); |
+ |
+ private: |
+ DisplayHittestData(); |
+ ~DisplayHittestData(); |
+ |
+ void Append(const HittestDataMap& map, cc::SurfaceId root_surface_id); |
+ void Append(const HittestDataMap& map, |
+ const hittest::mojom::HittestRegionPtr& region); |
+ |
+ struct Element { |
rjkroege
2017/06/07 17:16:45
the client side code needs to walk this tree. yes?
gklassen
2017/06/07 20:04:44
Yes. This has been changed to be a structure so t
|
+ cc::SurfaceId surface_id_; |
+ hittest::mojom::HittestRegionFlags flags_; |
+ gfx::Rect rect_; |
+ gfx::Transform transform_; |
+ int child_count_; |
+ }; |
+ |
+ base::subtle::Atomic32 front_offset_; |
rjkroege
2017/06/07 17:16:45
what's front and what's back?
gklassen
2017/06/07 20:04:44
Front is the portion currently in use for targetti
|
+ int size_; |
+ int count_; |
+ Element regions_[]; |
+}; |
+ |
+} // namespace viz |
rjkroege
2017/06/07 17:16:45
suppose to be 1 space I think. But I could be wron
gklassen
2017/06/07 20:04:44
Done.
|
+ |
+#endif // COMPONENTS_VIZ_HITTEST_HITTEST_DATA_H_ |