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// Copyright 2013 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 CC_ANIMATION_ANIMATION_DELEGATE_H_
#define CC_ANIMATION_ANIMATION_DELEGATE_H_
#include "base/time/time.h"
#include "cc/animation/animation_curve.h"
#include "cc/animation/keyframe_model.h"
namespace cc {
class CC_ANIMATION_EXPORT AnimationDelegate {
public:
// TODO(yigu): The Notify* methods will be called multiple times per
// animation (once for effect/property pairing).
// Ideally, we would only notify start once (e.g., wait on all effects to
// start before notifying delegate) this way effect becomes an internal
// details of the animation. Perhaps we can do that at some point maybe as
// part of https://bugs.chromium.org/p/chromium/issues/detail?id=810003
virtual void NotifyAnimationStarted(base::TimeTicks monotonic_time,
int target_property,
int group) = 0;
virtual void NotifyAnimationFinished(base::TimeTicks monotonic_time,
int target_property,
int group) = 0;
virtual void NotifyAnimationAborted(base::TimeTicks monotonic_time,
int target_property,
int group) = 0;
virtual void NotifyAnimationTakeover(
base::TimeTicks monotonic_time,
int target_property,
base::TimeTicks animation_start_time,
std::unique_ptr<AnimationCurve> curve) = 0;
virtual void NotifyLocalTimeUpdated(
base::Optional<base::TimeDelta> local_time) = 0;
protected:
virtual ~AnimationDelegate() {}
};
} // namespace cc
#endif // CC_ANIMATION_ANIMATION_DELEGATE_H_
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