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// Copyright 2016 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_ANIMATION_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_ANIMATION_H_
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "base/optional.h"
#include "cc/animation/animation_delegate.h"
#include "cc/animation/scroll_timeline.h"
#include "cc/animation/single_keyframe_effect_animation.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/noncopyable.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace cc {
class AnimationCurve;
}
namespace blink {
using CompositorScrollTimeline = cc::ScrollTimeline;
class CompositorAnimationDelegate;
class CompositorKeyframeModel;
// A compositor representation for Animation.
class PLATFORM_EXPORT CompositorAnimation : public cc::AnimationDelegate {
WTF_MAKE_NONCOPYABLE(CompositorAnimation);
public:
static std::unique_ptr<CompositorAnimation> Create();
static std::unique_ptr<CompositorAnimation> CreateWorkletAnimation(
cc::WorkletAnimationId,
const String& name,
std::unique_ptr<CompositorScrollTimeline>,
std::unique_ptr<cc::AnimationOptions>);
explicit CompositorAnimation(
scoped_refptr<cc::SingleKeyframeEffectAnimation>);
~CompositorAnimation() override;
cc::SingleKeyframeEffectAnimation* CcAnimation() 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 DetachElement();
bool IsElementAttached() const;
void AddKeyframeModel(std::unique_ptr<CompositorKeyframeModel>);
void RemoveKeyframeModel(int keyframe_model_id);
void PauseKeyframeModel(int keyframe_model_id, double time_offset);
void AbortKeyframeModel(int keyframe_model_id);
void UpdateScrollTimeline(base::Optional<cc::ElementId>,
base::Optional<double> start_scroll_offset,
base::Optional<double> end_scroll_offset);
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<cc::AnimationCurve>) override;
scoped_refptr<cc::SingleKeyframeEffectAnimation> animation_;
CompositorAnimationDelegate* delegate_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_ANIMATION_H_