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26 #ifndef RenderScrollbarTheme_h
27 #define RenderScrollbarTheme_h
29 #include "ScrollbarThemeComposite.h"
33 class PlatformMouseEvent;
37 class RenderScrollbarTheme : public ScrollbarThemeComposite {
39 virtual ~RenderScrollbarTheme() {};
41 virtual int scrollbarThickness(ScrollbarControlSize controlSize) { return ScrollbarTheme::theme()->scrollbarThickness(controlSize); }
43 virtual ScrollbarButtonsPlacement buttonsPlacement() const { return ScrollbarTheme::theme()->buttonsPlacement(); }
45 virtual bool supportsControlTints() const { return true; }
47 virtual void paintScrollCorner(ScrollView*, GraphicsContext* context, const IntRect& cornerRect);
49 virtual bool shouldCenterOnThumb(ScrollbarThemeClient* scrollbar, const PlatformMouseEvent& event) { return ScrollbarTheme::theme()->shouldCenterOnThumb(scrollbar, event); }
51 virtual double initialAutoscrollTimerDelay() { return ScrollbarTheme::theme()->initialAutoscrollTimerDelay(); }
52 virtual double autoscrollTimerDelay() { return ScrollbarTheme::theme()->autoscrollTimerDelay(); }
54 virtual void registerScrollbar(ScrollbarThemeClient* scrollbar) { return ScrollbarTheme::theme()->registerScrollbar(scrollbar); }
55 virtual void unregisterScrollbar(ScrollbarThemeClient* scrollbar) { return ScrollbarTheme::theme()->unregisterScrollbar(scrollbar); }
57 virtual int minimumThumbLength(ScrollbarThemeClient*);
59 void buttonSizesAlongTrackAxis(ScrollbarThemeClient*, int& beforeSize, int& afterSize);
61 static RenderScrollbarTheme* renderScrollbarTheme();
64 virtual bool hasButtons(ScrollbarThemeClient*);
65 virtual bool hasThumb(ScrollbarThemeClient*);
67 virtual IntRect backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
68 virtual IntRect forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
69 virtual IntRect trackRect(ScrollbarThemeClient*, bool painting = false);
71 virtual void paintScrollbarBackground(GraphicsContext*, ScrollbarThemeClient*);
72 virtual void paintTrackBackground(GraphicsContext*, ScrollbarThemeClient*, const IntRect&);
73 virtual void paintTrackPiece(GraphicsContext*, ScrollbarThemeClient*, const IntRect&, ScrollbarPart);
74 virtual void paintButton(GraphicsContext*, ScrollbarThemeClient*, const IntRect&, ScrollbarPart);
75 virtual void paintThumb(GraphicsContext*, ScrollbarThemeClient*, const IntRect&);
76 virtual void paintTickmarks(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) OVERRIDE;
78 virtual IntRect constrainTrackRectToTrackPieces(ScrollbarThemeClient*, const IntRect&);
81 } // namespace WebCore
83 #endif // RenderScrollbarTheme_h