src/cc/layers/solid_color_scrollbar_layer_impl.h

   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_SOLID_COLOR_SCROLLBAR_LAYER_IMPL_H_
   6 #define CC_LAYERS_SOLID_COLOR_SCROLLBAR_LAYER_IMPL_H_
   7
   8 #include "cc/base/cc_export.h"
   9 #include "cc/layers/scrollbar_layer_impl_base.h"
  10
  11 namespace cc {
  12
  13 class CC_EXPORT SolidColorScrollbarLayerImpl : public ScrollbarLayerImplBase {
  14  public:
  15   static scoped_ptr<SolidColorScrollbarLayerImpl> Create(
  16       LayerTreeImpl* tree_impl,
  17       int id,
  18       ScrollbarOrientation orientation,
  19       int thumb_thickness,
  20       bool is_left_side_vertical_scrollbar);
  21   virtual ~SolidColorScrollbarLayerImpl();
  22
  23   // LayerImpl overrides.
  24   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
  25       OVERRIDE;
  26   virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
  27
  28   virtual void AppendQuads(QuadSink* quad_sink,
  29                            AppendQuadsData* append_quads_data) OVERRIDE;
  30
  31
  32  protected:
  33   SolidColorScrollbarLayerImpl(LayerTreeImpl* tree_impl,
  34                                int id,
  35                                ScrollbarOrientation orientation,
  36                                int thumb_thickness,
  37                                bool is_left_side_vertical_scrollbar);
  38
  39   // ScrollbarLayerImplBase implementation.
  40   virtual int ThumbThickness() const OVERRIDE;
  41   virtual int ThumbLength() const OVERRIDE;
  42   virtual float TrackLength() const OVERRIDE;
  43   virtual int TrackStart() const OVERRIDE;
  44
  45  private:
  46   int thumb_thickness_;
  47   SkColor color_;
  48 };
  49
  50 }  // namespace cc
  51
  52 #endif  // CC_LAYERS_SOLID_COLOR_SCROLLBAR_LAYER_IMPL_H_