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26 #ifndef WebScrollbarThemeGeometryNative_h
27 #define WebScrollbarThemeGeometryNative_h
29 #include "platform/PlatformExport.h"
30 #include "public/platform/WebRect.h"
31 #include "public/platform/WebScrollbarThemeGeometry.h"
32 #include "wtf/PassOwnPtr.h"
39 class PLATFORM_EXPORT WebScrollbarThemeGeometryNative : public WebScrollbarThemeGeometry {
41 static PassOwnPtr<WebScrollbarThemeGeometryNative> create(ScrollbarTheme*);
43 // WebScrollbarThemeGeometry overrides
44 virtual WebScrollbarThemeGeometryNative* clone() const OVERRIDE;
45 virtual int thumbPosition(WebScrollbar*) OVERRIDE;
46 virtual int thumbLength(WebScrollbar*) OVERRIDE;
47 virtual int trackPosition(WebScrollbar*) OVERRIDE;
48 virtual int trackLength(WebScrollbar*) OVERRIDE;
49 virtual bool hasButtons(WebScrollbar*) OVERRIDE;
50 virtual bool hasThumb(WebScrollbar*) OVERRIDE;
51 virtual WebRect trackRect(WebScrollbar*) OVERRIDE;
52 virtual WebRect thumbRect(WebScrollbar*) OVERRIDE;
53 virtual int minimumThumbLength(WebScrollbar*) OVERRIDE;
54 virtual int scrollbarThickness(WebScrollbar*) OVERRIDE;
55 virtual WebRect backButtonStartRect(WebScrollbar*) OVERRIDE;
56 virtual WebRect backButtonEndRect(WebScrollbar*) OVERRIDE;
57 virtual WebRect forwardButtonStartRect(WebScrollbar*) OVERRIDE;
58 virtual WebRect forwardButtonEndRect(WebScrollbar*) OVERRIDE;
59 virtual WebRect constrainTrackRectToTrackPieces(WebScrollbar*, const WebRect&) OVERRIDE;
60 virtual void splitTrack(WebScrollbar*, const WebRect& track, WebRect& startTrack, WebRect& thumb, WebRect& endTrack) OVERRIDE;
63 explicit WebScrollbarThemeGeometryNative(ScrollbarTheme*);
65 // The theme is not owned by this class. It is assumed that the theme is a
66 // static pointer and its lifetime is essentially infinite. Only thread-safe
67 // functions on the theme can be called by this theme.
68 ScrollbarTheme* m_theme;