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// Copyright 2019 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_SCROLLBAR_LAYER_BASE_H_
#define CC_LAYERS_SCROLLBAR_LAYER_BASE_H_
#include "cc/cc_export.h"
#include "cc/layers/layer.h"
namespace cc {
class CC_EXPORT ScrollbarLayerBase : public Layer {
public:
static scoped_refptr<ScrollbarLayerBase> CreateOrReuse(
scoped_refptr<Scrollbar>,
ScrollbarLayerBase* existing_layer);
void SetScrollElementId(ElementId element_id);
ElementId scroll_element_id() const { return scroll_element_id_; }
ScrollbarOrientation orientation() const { return orientation_; }
bool is_left_side_vertical_scrollbar() const {
return is_left_side_vertical_scrollbar_;
}
void PushPropertiesTo(LayerImpl* layer) override;
enum ScrollbarLayerType {
kSolidColor,
kPainted,
kPaintedOverlay,
};
virtual ScrollbarLayerType GetScrollbarLayerType() const = 0;
protected:
ScrollbarLayerBase(ScrollbarOrientation orientation,
bool is_left_side_vertical_scrollbar);
~ScrollbarLayerBase() override;
private:
bool IsScrollbarLayerForTesting() const final;
const ScrollbarOrientation orientation_;
const bool is_left_side_vertical_scrollbar_;
ElementId scroll_element_id_;
};
} // namespace cc
#endif // CC_LAYERS_SCROLLBAR_LAYER_BASE_H_
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