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27 
28 #ifndef INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX
29 #define INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX
30 
31 #include <boost/shared_ptr.hpp>
32 
33 /* Definition of UserPaintEventHandler interface */
34 
35 namespace slideshow
36 {
37     namespace internal
38     {
39         class RGBColor;
40 
41         /** Interface for handling user paint state changes.
42 
43         	Classes implementing this interface can be added to an
44         	EventMultiplexer object, and are called from there to
45         	handle user paint events.
46          */
47         class UserPaintEventHandler
48         {
49         public:
50             virtual ~UserPaintEventHandler() {}
51             virtual bool colorChanged( RGBColor const& rUserColor ) = 0;
52 	    virtual bool widthChanged( double nUserStrokeWidth ) = 0;
53 	    virtual bool eraseAllInkChanged(bool const& rEraseAllInk) =0;
54             virtual bool eraseInkWidthChanged(sal_Int32 rEraseInkSize) =0;
55             virtual bool switchEraserMode() = 0;
56             virtual bool switchPenMode() = 0;
57             virtual bool disable() = 0;
58         };
59 
60         typedef ::boost::shared_ptr< UserPaintEventHandler > UserPaintEventHandlerSharedPtr;
61 
62     }
63 }
64 
65 #endif /* INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX */
66