| // Copyright 2024 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_VIZ_COMMON_HIT_TEST_HIT_TEST_DATA_PROVIDER_H_ |
| #define COMPONENTS_VIZ_COMMON_HIT_TEST_HIT_TEST_DATA_PROVIDER_H_ |
| |
| #include "base/containers/flat_map.h" |
| #include "components/viz/common/hit_test/hit_test_query.h" |
| #include "components/viz/common/hit_test/hit_test_region_observer.h" |
| #include "components/viz/common/surfaces/frame_sink_id.h" |
| |
| namespace viz { |
| using DisplayHitTestQueryMap = |
| base::flat_map<FrameSinkId, std::unique_ptr<HitTestQuery>>; |
| |
| // This interface will be implemented by both HostFrameSinkManager and |
| // FrameSinkManagerImpl allowing RenderWidgetHostInputEventRouter to find target |
| // view synchronously. |
| class VIZ_COMMON_EXPORT HitTestDataProvider { |
| public: |
| virtual ~HitTestDataProvider() = default; |
| // Add/Remove an observer to receive notifications of when the host receives |
| // new hit test data. |
| virtual void AddHitTestRegionObserver(HitTestRegionObserver* observer) = 0; |
| virtual void RemoveHitTestRegionObserver(HitTestRegionObserver* observer) = 0; |
| virtual const DisplayHitTestQueryMap& GetDisplayHitTestQuery() const = 0; |
| }; |
| |
| } // namespace viz |
| |
| #endif // COMPONENTS_VIZ_COMMON_HIT_TEST_HIT_TEST_DATA_PROVIDER_H_ |
