RenderScrollbarTheme.h [plain text]
#ifndef RenderScrollbarTheme_h
#define RenderScrollbarTheme_h
#include "ScrollbarThemeComposite.h"
namespace WebCore {
class PlatformMouseEvent;
class Scrollbar;
class ScrollView;
class RenderScrollbarTheme : public ScrollbarThemeComposite {
public:
virtual ~RenderScrollbarTheme() {};
virtual int scrollbarThickness(ScrollbarControlSize controlSize) { return ScrollbarTheme::nativeTheme()->scrollbarThickness(controlSize); }
virtual ScrollbarButtonsPlacement buttonsPlacement() const { return ScrollbarTheme::nativeTheme()->buttonsPlacement(); }
virtual bool supportsControlTints() const { return true; }
virtual void paintScrollCorner(ScrollView*, GraphicsContext* context, const IntRect& cornerRect);
virtual bool shouldCenterOnThumb(Scrollbar* scrollbar, const PlatformMouseEvent& event) { return ScrollbarTheme::nativeTheme()->shouldCenterOnThumb(scrollbar, event); }
virtual double initialAutoscrollTimerDelay() { return ScrollbarTheme::nativeTheme()->initialAutoscrollTimerDelay(); }
virtual double autoscrollTimerDelay() { return ScrollbarTheme::nativeTheme()->autoscrollTimerDelay(); }
virtual void registerScrollbar(Scrollbar* scrollbar) { return ScrollbarTheme::nativeTheme()->registerScrollbar(scrollbar); }
virtual void unregisterScrollbar(Scrollbar* scrollbar) { return ScrollbarTheme::nativeTheme()->unregisterScrollbar(scrollbar); }
virtual int minimumThumbLength(Scrollbar*);
void buttonSizesAlongTrackAxis(Scrollbar* scrollbar, int& beforeSize, int& afterSize);
static RenderScrollbarTheme* renderScrollbarTheme();
protected:
virtual bool hasButtons(Scrollbar*);
virtual bool hasThumb(Scrollbar*);
virtual IntRect backButtonRect(Scrollbar*, ScrollbarPart, bool painting = false);
virtual IntRect forwardButtonRect(Scrollbar*, ScrollbarPart, bool painting = false);
virtual IntRect trackRect(Scrollbar*, bool painting = false);
virtual void paintScrollbarBackground(GraphicsContext*, Scrollbar*);
virtual void paintTrackBackground(GraphicsContext*, Scrollbar*, const IntRect&);
virtual void paintTrackPiece(GraphicsContext*, Scrollbar*, const IntRect&, ScrollbarPart);
virtual void paintButton(GraphicsContext*, Scrollbar*, const IntRect&, ScrollbarPart);
virtual void paintThumb(GraphicsContext*, Scrollbar*, const IntRect&);
virtual IntRect constrainTrackRectToTrackPieces(Scrollbar*, const IntRect&);
};
}
#endif // RenderScrollbarTheme_h