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// Copyright 2017 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_TEST_FAKE_SURFACE_OBSERVER_H_
#define COMPONENTS_VIZ_TEST_FAKE_SURFACE_OBSERVER_H_
#include "base/containers/flat_set.h"
#include "base/scoped_observation.h"
#include "components/viz/common/frame_sinks/begin_frame_args.h"
#include "components/viz/common/surfaces/surface_id.h"
#include "components/viz/common/surfaces/surface_info.h"
#include "components/viz/service/surfaces/surface_observer.h"
namespace viz {
class SurfaceManager;
class FakeSurfaceObserver : public SurfaceObserver {
public:
// If |damage_display| is true, the observer will indicate display damage when
// a surface is damaged.
explicit FakeSurfaceObserver(SurfaceManager* manager,
bool damage_display = true);
~FakeSurfaceObserver() override;
const BeginFrameAck& last_ack() const { return last_ack_; }
bool IsSurfaceDamaged(const SurfaceId& surface_id) const;
bool IsSurfaceSubtreeDamaged(const SurfaceId& surface_id) const;
const SurfaceId& last_created_surface_id() const {
return last_created_surface_id_;
}
const SurfaceInfo& last_surface_info() const { return last_surface_info_; }
void set_damage_display(bool damage_display) {
damage_display_ = damage_display;
}
void Reset();
private:
// SurfaceObserver implementation:
bool OnSurfaceDamaged(const SurfaceId& surface_id,
const BeginFrameAck& ack,
HandleInteraction handle_interaction) override;
void OnFirstSurfaceActivation(const SurfaceInfo& surface_info) override;
void OnSurfaceActivated(const SurfaceId& surface_id) override;
base::ScopedObservation<SurfaceManager, SurfaceObserver>
observer_registration_{this};
bool damage_display_;
BeginFrameAck last_ack_;
base::flat_set<SurfaceId> damaged_surfaces_;
base::flat_set<SurfaceId> surface_subtree_damaged_;
SurfaceId last_created_surface_id_;
SurfaceInfo last_surface_info_;
};
} // namespace viz
#endif // COMPONENTS_VIZ_TEST_FAKE_SURFACE_OBSERVER_H_
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