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// Copyright (c) 2011 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 UI_GFX_ANIMATION_ANIMATION_CONTAINER_OBSERVER_H_
#define UI_GFX_ANIMATION_ANIMATION_CONTAINER_OBSERVER_H_
#include "ui/gfx/gfx_export.h"
namespace gfx {
class AnimationContainer;
// The observer is notified after every update of the animations managed by
// the container.
class GFX_EXPORT AnimationContainerObserver {
public:
// Invoked on every tick of the timer managed by the container and after
// all the animations have updated.
virtual void AnimationContainerProgressed(
AnimationContainer* container) = 0;
// Invoked when no more animations are being managed by this container.
virtual void AnimationContainerEmpty(AnimationContainer* container) = 0;
protected:
virtual ~AnimationContainerObserver() {}
};
} // namespace gfx
#endif // UI_GFX_ANIMATION_ANIMATION_CONTAINER_OBSERVER_H_
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