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// 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_
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