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::theme()->scrollbarThickness(controlSize); }
virtual ScrollbarButtonsPlacement buttonsPlacement() const { return ScrollbarTheme::theme()->buttonsPlacement(); }
virtual bool supportsControlTints() const { return true; }
virtual void paintScrollCorner(ScrollView*, GraphicsContext* context, const IntRect& cornerRect);
virtual bool shouldCenterOnThumb(ScrollbarThemeClient* scrollbar, const PlatformMouseEvent& event) { return ScrollbarTheme::theme()->shouldCenterOnThumb(scrollbar, event); }
virtual double initialAutoscrollTimerDelay() { return ScrollbarTheme::theme()->initialAutoscrollTimerDelay(); }
virtual double autoscrollTimerDelay() { return ScrollbarTheme::theme()->autoscrollTimerDelay(); }
virtual void registerScrollbar(ScrollbarThemeClient* scrollbar) { return ScrollbarTheme::theme()->registerScrollbar(scrollbar); }
virtual void unregisterScrollbar(ScrollbarThemeClient* scrollbar) { return ScrollbarTheme::theme()->unregisterScrollbar(scrollbar); }
virtual int minimumThumbLength(ScrollbarThemeClient*);
void buttonSizesAlongTrackAxis(ScrollbarThemeClient*, int& beforeSize, int& afterSize);
static RenderScrollbarTheme* renderScrollbarTheme();
protected:
virtual bool hasButtons(ScrollbarThemeClient*);
virtual bool hasThumb(ScrollbarThemeClient*);
virtual IntRect backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
virtual IntRect forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
virtual IntRect trackRect(ScrollbarThemeClient*, bool painting = false);
virtual void willPaintScrollbar(GraphicsContext*, ScrollbarThemeClient*) override;
virtual void didPaintScrollbar(GraphicsContext*, ScrollbarThemeClient*) override;
virtual void paintScrollbarBackground(GraphicsContext*, ScrollbarThemeClient*);
virtual void paintTrackBackground(GraphicsContext*, ScrollbarThemeClient*, const IntRect&);
virtual void paintTrackPiece(GraphicsContext*, ScrollbarThemeClient*, const IntRect&, ScrollbarPart);
virtual void paintButton(GraphicsContext*, ScrollbarThemeClient*, const IntRect&, ScrollbarPart);
virtual void paintThumb(GraphicsContext*, ScrollbarThemeClient*, const IntRect&);
virtual void paintTickmarks(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) override;
virtual IntRect constrainTrackRectToTrackPieces(ScrollbarThemeClient*, const IntRect&);
};
}
#endif // RenderScrollbarTheme_h