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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_ANIMATION_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_ANIMATION_H_
#include <memory>
#include <optional>
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "cc/animation/animation.h"
#include "cc/animation/animation_delegate.h"
#include "cc/animation/worklet_animation.h"
#include "third_party/blink/renderer/platform/graphics/compositor_element_id.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace gfx {
class AnimationCurve;
}
namespace blink {
class CompositorAnimationDelegate;
// A compositor representation for Animation.
class PLATFORM_EXPORT CompositorAnimation : public cc::AnimationDelegate {
public:
// If this CompositorAnimation is being created to replace an
// existing cc::Animation, the existing Animation's id should be
// passed in to ensure the same id is used.
static std::unique_ptr<CompositorAnimation> Create(
std::optional<int> replaced_cc_animation_id = std::nullopt);
static std::unique_ptr<CompositorAnimation> CreateWorkletAnimation(
cc::WorkletAnimationId,
const String& name,
double playback_rate,
std::unique_ptr<cc::AnimationOptions>,
std::unique_ptr<cc::AnimationEffectTimings> effect_timings);
explicit CompositorAnimation(scoped_refptr<cc::Animation>);
CompositorAnimation(const CompositorAnimation&) = delete;
CompositorAnimation& operator=(const CompositorAnimation&) = delete;
~CompositorAnimation() override;
cc::Animation* CcAnimation() const;
int CcAnimationId() const;
// An animation delegate is notified when animations are started and stopped.
// The CompositorAnimation does not take ownership of the delegate, and
// it is the responsibility of the client to reset the layer's delegate before
// deleting the delegate.
void SetAnimationDelegate(CompositorAnimationDelegate*);
void AttachElement(const CompositorElementId&);
void AttachPaintWorkletElement();
void DetachElement();
bool IsElementAttached() const;
void AddKeyframeModel(std::unique_ptr<cc::KeyframeModel>);
void RemoveKeyframeModel(int keyframe_model_id);
void PauseKeyframeModel(int keyframe_model_id, base::TimeDelta time_offset);
void AbortKeyframeModel(int keyframe_model_id);
void UpdatePlaybackRate(double playback_rate);
private:
// cc::AnimationDelegate implementation.
void NotifyAnimationStarted(base::TimeTicks monotonic_time,
int target_property,
int group) override;
void NotifyAnimationFinished(base::TimeTicks monotonic_time,
int target_property,
int group) override;
void NotifyAnimationAborted(base::TimeTicks monotonic_time,
int target_property,
int group) override;
void NotifyAnimationTakeover(base::TimeTicks monotonic_time,
int target_property,
base::TimeTicks animation_start_time,
std::unique_ptr<gfx::AnimationCurve>) override;
void NotifyLocalTimeUpdated(
std::optional<base::TimeDelta> local_time) override;
scoped_refptr<cc::Animation> animation_;
raw_ptr<CompositorAnimationDelegate> delegate_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_ANIMATION_H_
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