| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_LAYERS_SOLID_COLOR_SCROLLBAR_LAYER_H_ |
| #define CC_LAYERS_SOLID_COLOR_SCROLLBAR_LAYER_H_ |
| |
| #include "base/macros.h" |
| #include "cc/cc_export.h" |
| #include "cc/layers/layer.h" |
| #include "cc/layers/scrollbar_layer_interface.h" |
| |
| namespace cc { |
| |
| class CC_EXPORT SolidColorScrollbarLayer : public ScrollbarLayerInterface, |
| public Layer { |
| public: |
| std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override; |
| |
| static scoped_refptr<SolidColorScrollbarLayer> Create( |
| ScrollbarOrientation orientation, |
| int thumb_thickness, |
| int track_start, |
| bool is_left_side_vertical_scrollbar, |
| ElementId scroll_element_id); |
| |
| // Layer overrides. |
| bool OpacityCanAnimateOnImplThread() const override; |
| |
| void SetOpacity(float opacity) override; |
| void PushPropertiesTo(LayerImpl* layer) override; |
| |
| void SetNeedsDisplayRect(const gfx::Rect& rect) override; |
| |
| // ScrollbarLayerInterface |
| void SetScrollElementId(ElementId element_id) override; |
| |
| protected: |
| SolidColorScrollbarLayer(ScrollbarOrientation orientation, |
| int thumb_thickness, |
| int track_start, |
| bool is_left_side_vertical_scrollbar, |
| ElementId scroll_element_id); |
| ~SolidColorScrollbarLayer() override; |
| |
| private: |
| friend class LayerSerializationTest; |
| |
| // Encapsulate all data, callbacks, interfaces received from the embedder. |
| struct SolidColorScrollbarLayerInputs { |
| SolidColorScrollbarLayerInputs(ScrollbarOrientation orientation, |
| int thumb_thickness, |
| int track_start, |
| bool is_left_side_vertical_scrollbar, |
| ElementId scroll_element_id); |
| ~SolidColorScrollbarLayerInputs(); |
| |
| ElementId scroll_element_id; |
| ScrollbarOrientation orientation; |
| int thumb_thickness; |
| int track_start; |
| bool is_left_side_vertical_scrollbar; |
| }; |
| |
| SolidColorScrollbarLayerInputs solid_color_scrollbar_layer_inputs_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SolidColorScrollbarLayer); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_LAYERS_SOLID_COLOR_SCROLLBAR_LAYER_H_ |