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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 CompositorAnimationPlayer_h
#define CompositorAnimationPlayer_h
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "cc/animation/animation_delegate.h"
#include "cc/animation/animation_player.h"
#include "cc/animation/scroll_timeline.h"
#include "cc/animation/worklet_animation_player.h"
#include "platform/PlatformExport.h"
#include "platform/graphics/CompositorElementId.h"
#include "platform/wtf/Noncopyable.h"
#include "platform/wtf/PtrUtil.h"
namespace cc {
class AnimationCurve;
}
namespace blink {
using CompositorScrollTimeline = cc::ScrollTimeline;
class CompositorAnimation;
class CompositorAnimationDelegate;
// A compositor representation for AnimationPlayer.
class PLATFORM_EXPORT CompositorAnimationPlayer : public cc::AnimationDelegate {
WTF_MAKE_NONCOPYABLE(CompositorAnimationPlayer);
public:
static std::unique_ptr<CompositorAnimationPlayer> Create();
static std::unique_ptr<CompositorAnimationPlayer> CreateWorkletPlayer(
const String& name,
std::unique_ptr<CompositorScrollTimeline>);
explicit CompositorAnimationPlayer(scoped_refptr<cc::AnimationPlayer>);
~CompositorAnimationPlayer();
cc::AnimationPlayer* CcAnimationPlayer() const;
// An animation delegate is notified when animations are started and stopped.
// The CompositorAnimationPlayer 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 AddAnimation(std::unique_ptr<CompositorAnimation>);
void RemoveAnimation(int animation_id);
void PauseAnimation(int animation_id, double time_offset);
void AbortAnimation(int animation_id);
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::AnimationPlayer> animation_player_;
CompositorAnimationDelegate* delegate_;
};
} // namespace blink
#endif // CompositorAnimationPlayer_h