ui/gfx/animation/animation_delegate.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_GFX_ANIMATION_ANIMATION_DELEGATE_H_
   6 #define UI_GFX_ANIMATION_ANIMATION_DELEGATE_H_
   7
   8 #include "ui/gfx/gfx_export.h"
   9
  10 namespace gfx {
  11
  12 class Animation;
  13
  14 // AnimationDelegate
  15 //
  16 //  Implement this interface when you want to receive notifications about the
  17 //  state of an animation.
  18 class GFX_EXPORT AnimationDelegate {
  19  public:
  20   virtual ~AnimationDelegate() {}
  21
  22   // Called when an animation has completed.
  23   virtual void AnimationEnded(const Animation* animation) {}
  24
  25   // Called when an animation has progressed.
  26   virtual void AnimationProgressed(const Animation* animation) {}
  27
  28   // Called when an animation has been canceled.
  29   virtual void AnimationCanceled(const Animation* animation) {}
  30 };
  31
  32 }  // namespace gfx
  33
  34 #endif  // UI_GFX_ANIMATION_ANIMATION_DELEGATE_H_