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_ANIMATION_LAYER_ANIMATION_VALUE_OBSERVER_H_ 6 #define CC_ANIMATION_LAYER_ANIMATION_VALUE_OBSERVER_H_ 7 8 #include "cc/base/cc_export.h" 9 10 namespace cc { 11 12 class CC_EXPORT LayerAnimationValueObserver { 13 public: 14 virtual ~LayerAnimationValueObserver() {} 15 16 virtual void OnOpacityAnimated(float opacity) = 0; 17 virtual void OnTransformAnimated(const gfx::Transform& transform) = 0; 18 virtual bool IsActive() const = 0; 19 }; 20 21 } // namespace cc 22 23 #endif // CC_ANIMATION_LAYER_ANIMATION_VALUE_OBSERVER_H_ 24 25
