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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:
     43   virtual ~LayerAnimationDelegate() {}
     44 };
     45 
     46 }  // namespace ui
     47 
     48 #endif  // UI_COMPOSITOR_LAYER_ANIMATION_DELEGATE_H_
     49