cc/layer_animation_value_observer.h

   1 // Copyright 2012 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 CC_LAYER_ANIMATION_VALUE_OBSERVER_H_
   6 #define CC_LAYER_ANIMATION_VALUE_OBSERVER_H_
   7
   8 namespace cc {
   9
  10 class CC_EXPORT LayerAnimationValueObserver {
  11  public:
  12   virtual ~LayerAnimationValueObserver() { }
  13
  14   virtual void OnOpacityAnimated(float) = 0;
  15   virtual void OnTransformAnimated(const gfx::Transform&) = 0;
  16
  17   virtual bool IsActive() const = 0;
  18 };
  19
  20 } // namespace cc
  21
  22 #endif  // CC_LAYER_ANIMATION_VALUE_OBSERVER_H_
  23