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1 // Copyright (c) 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 UI_COMPOSITOR_LAYER_ANIMATION_DELEGATE_H_
6 #define UI_COMPOSITOR_LAYER_ANIMATION_DELEGATE_H_
7 
8 #include "base/memory/scoped_ptr.h"
9 #include "cc/animation/animation.h"
10 #include "third_party/skia/include/core/SkColor.h"
11 #include "ui/compositor/compositor_export.h"
12 #include "ui/gfx/rect.h"
13 #include "ui/gfx/transform.h"
14 
15 namespace ui {
16 
17 class LayerAnimatorCollection;
18 
19 // Layer animations interact with the layers using this interface.
20 class COMPOSITOR_EXPORT LayerAnimationDelegate {
21  public:
22   virtual void SetBoundsFromAnimation(const gfx::Rect& bounds) = 0;
23   virtual void SetTransformFromAnimation(const gfx::Transform& transform) = 0;
24   virtual void SetOpacityFromAnimation(float opacity) = 0;
25   virtual void SetVisibilityFromAnimation(bool visibility) = 0;
26   virtual void SetBrightnessFromAnimation(float brightness) = 0;
27   virtual void SetGrayscaleFromAnimation(float grayscale) = 0;
28   virtual void SetColorFromAnimation(SkColor color) = 0;
29   virtual void ScheduleDrawForAnimation() = 0;
30   virtual const gfx::Rect& GetBoundsForAnimation() const = 0;
31   virtual gfx::Transform GetTransformForAnimation() const = 0;
32   virtual float GetOpacityForAnimation() const = 0;
33   virtual bool GetVisibilityForAnimation() const = 0;
34   virtual float GetBrightnessForAnimation() const = 0;
35   virtual float GetGrayscaleForAnimation() const = 0;
36   virtual SkColor GetColorForAnimation() const = 0;
37   virtual float GetDeviceScaleFactor() const = 0;
38   virtual void AddThreadedAnimation(scoped_ptr<cc::Animation> animation) = 0;
39   virtual void RemoveThreadedAnimation(int animation_id) = 0;
40   virtual LayerAnimatorCollection* GetLayerAnimatorCollection() = 0;
41 
42  protected:
~LayerAnimationDelegate()43   virtual ~LayerAnimationDelegate() {}
44 };
45 
46 }  // namespace ui
47 
48 #endif  // UI_COMPOSITOR_LAYER_ANIMATION_DELEGATE_H_
49