#ifndef RenderScrollbar_h
#define RenderScrollbar_h
#include "RenderPtr.h"
#include "RenderStyleConstants.h"
#include "Scrollbar.h"
#include <wtf/HashMap.h>
namespace WebCore {
class Frame;
class Element;
class RenderBox;
class RenderScrollbarPart;
class RenderStyle;
class RenderScrollbar final : public Scrollbar {
public:
friend class Scrollbar;
static RefPtr<Scrollbar> createCustomScrollbar(ScrollableArea&, ScrollbarOrientation, Element*, Frame* owningFrame = nullptr);
virtual ~RenderScrollbar();
RenderBox* owningRenderer() const;
void paintPart(GraphicsContext*, ScrollbarPart, const IntRect&);
IntRect buttonRect(ScrollbarPart);
IntRect trackRect(int startLength, int endLength);
IntRect trackPieceRectWithMargins(ScrollbarPart, const IntRect&);
int minimumThumbLength();
virtual bool isOverlayScrollbar() const override { return false; }
float opacity();
PassRefPtr<RenderStyle> getScrollbarPseudoStyle(ScrollbarPart, PseudoId);
private:
RenderScrollbar(ScrollableArea&, ScrollbarOrientation, Element*, Frame*);
virtual void setParent(ScrollView*) override;
virtual void setEnabled(bool) override;
virtual void paint(GraphicsContext*, const IntRect& damageRect) override;
virtual void setHoveredPart(ScrollbarPart) override;
virtual void setPressedPart(ScrollbarPart) override;
virtual void styleChanged() override;
void updateScrollbarParts();
void updateScrollbarPart(ScrollbarPart);
RefPtr<Element> m_ownerElement;
Frame* m_owningFrame;
HashMap<unsigned, RenderPtr<RenderScrollbarPart>> m_parts;
};
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::RenderScrollbar)
static bool isType(const WebCore::Scrollbar& scrollbar) { return scrollbar.isCustomScrollbar(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // RenderScrollbar_h