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1 // Copyright 2013 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_LAYERS_SCROLLBAR_LAYER_INTERFACE_H_
6 #define CC_LAYERS_SCROLLBAR_LAYER_INTERFACE_H_
7 
8 #include "cc/base/cc_export.h"
9 #include "cc/input/scrollbar.h"
10 
11 namespace cc {
12 
13 class Layer;
14 class LayerImpl;
15 
16 class CC_EXPORT ScrollbarLayerInterface {
17  public:
18   virtual int ScrollLayerId() const = 0;
19   virtual void SetScrollLayer(int layer_id) = 0;
20   virtual void SetClipLayer(int layer_id) = 0;
21   virtual void PushScrollClipPropertiesTo(LayerImpl* layer) = 0;
22 
23   virtual ScrollbarOrientation orientation() const = 0;
24 
25  protected:
ScrollbarLayerInterface()26   ScrollbarLayerInterface() {}
~ScrollbarLayerInterface()27   virtual ~ScrollbarLayerInterface() {}
28 
29  private:
30   DISALLOW_COPY_AND_ASSIGN(ScrollbarLayerInterface);
31 };
32 
33 }  // namespace cc
34 
35 #endif  // CC_LAYERS_SCROLLBAR_LAYER_INTERFACE_H_
36