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// Copyright 2012 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_LAYER_ANIMATION_VALUE_OBSERVER_H_
#define CC_ANIMATION_LAYER_ANIMATION_VALUE_OBSERVER_H_
#include "cc/base/cc_export.h"
namespace cc {
class CC_EXPORT LayerAnimationValueObserver {
public:
virtual ~LayerAnimationValueObserver() {}
virtual void OnOpacityAnimated(float opacity) = 0;
virtual void OnTransformAnimated(const gfx::Transform& transform) = 0;
virtual bool IsActive() const = 0;
};
} // namespace cc
#endif // CC_ANIMATION_LAYER_ANIMATION_VALUE_OBSERVER_H_
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