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       int track_start,
  21       bool is_left_side_vertical_scrollbar,
  22       bool is_overlay);
  23   virtual ~SolidColorScrollbarLayerImpl();
  24
  25   // LayerImpl overrides.
  26   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
  27       OVERRIDE;
  28   virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
  29
  30   virtual void AppendQuads(QuadSink* quad_sink,
  31                            AppendQuadsData* append_quads_data) OVERRIDE;
  32
  33
  34  protected:
  35   SolidColorScrollbarLayerImpl(LayerTreeImpl* tree_impl,
  36                                int id,
  37                                ScrollbarOrientation orientation,
  38                                int thumb_thickness,
  39                                int track_start,
  40                                bool is_left_side_vertical_scrollbar,
  41                                bool is_overlay);
  42
  43   // ScrollbarLayerImplBase implementation.
  44   virtual int ThumbThickness() const OVERRIDE;
  45   virtual int ThumbLength() const OVERRIDE;
  46   virtual float TrackLength() const OVERRIDE;
  47   virtual int TrackStart() const OVERRIDE;
  48   virtual bool IsThumbResizable() const OVERRIDE;
  49
  50  private:
  51   int thumb_thickness_;
  52   int track_start_;
  53   SkColor color_;
  54 };
  55
  56 }  // namespace cc
  57
  58 #endif  // CC_LAYERS_SOLID_COLOR_SCROLLBAR_LAYER_IMPL_H_