cc/animation/layer_animation_value_observer.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

// 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_

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_