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