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26 #ifndef ScrollbarThemeOverlay_h
27 #define ScrollbarThemeOverlay_h
29 #include "platform/graphics/Color.h"
30 #include "platform/scroll/ScrollbarTheme.h"
34 // This scrollbar theme is used to get overlay scrollbar for platforms other
35 // than Mac. Mac's overlay scrollbars are in ScrollbarThemeMac*.
36 class PLATFORM_EXPORT ScrollbarThemeOverlay : public ScrollbarTheme {
38 enum HitTestBehavior { AllowHitTest, DisallowHitTest };
40 ScrollbarThemeOverlay(int thumbThickness, int scrollbarMargin, HitTestBehavior);
41 ScrollbarThemeOverlay(int thumbThickness, int scrollbarMargin, HitTestBehavior, Color);
42 virtual ~ScrollbarThemeOverlay() { }
44 virtual int scrollbarThickness(ScrollbarControlSize) OVERRIDE;
45 virtual bool usesOverlayScrollbars() const OVERRIDE;
47 virtual int thumbPosition(ScrollbarThemeClient*) OVERRIDE;
48 virtual int thumbLength(ScrollbarThemeClient*) OVERRIDE;
50 virtual bool hasButtons(ScrollbarThemeClient*) OVERRIDE { return false; };
51 virtual bool hasThumb(ScrollbarThemeClient*) OVERRIDE;
53 virtual IntRect backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false) OVERRIDE;
54 virtual IntRect forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false) OVERRIDE;
55 virtual IntRect trackRect(ScrollbarThemeClient*, bool painting = false) OVERRIDE;
56 virtual int thumbThickness(ScrollbarThemeClient*) OVERRIDE;
58 virtual void paintThumb(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) OVERRIDE;
59 virtual ScrollbarPart hitTest(ScrollbarThemeClient*, const IntPoint&) OVERRIDE;
63 int m_scrollbarMargin;
64 HitTestBehavior m_allowHitTest;
66 const bool m_useSolidColor;