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27 
28 #if ! defined(WAITSYMBOL_HXX_INCLUDED)
29 #define WAITSYMBOL_HXX_INCLUDED
30 
31 #include <com/sun/star/rendering/XBitmap.hpp>
32 #include <cppcanvas/customsprite.hxx>
33 
34 #include "vieweventhandler.hxx"
35 #include "screenupdater.hxx"
36 #include "eventmultiplexer.hxx"
37 #include "unoview.hxx"
38 
39 #include <boost/shared_ptr.hpp>
40 #include <boost/bind.hpp>
41 #include <boost/utility.hpp> // for noncopyable
42 #include <vector>
43 
44 namespace slideshow {
45 namespace internal {
46 
47 class EventMultiplexer;
48 typedef boost::shared_ptr<class WaitSymbol> WaitSymbolSharedPtr;
49 
50 class WaitSymbol : public ViewEventHandler,
51                    private ::boost::noncopyable
52 {
53 public:
54     static WaitSymbolSharedPtr create( const ::com::sun::star::uno::Reference<
55                                              ::com::sun::star::rendering::XBitmap>& xBitmap,
56                                        ScreenUpdater&                               rScreenUpdater,
57                                        EventMultiplexer&                            rEventMultiplexer,
58                                        const UnoViewContainer&                      rViewContainer );
59 
60     /** Shows the wait symbol.
61      */
62     void show() { setVisible(true); }
63 
64     /** Hides the wait symbol.
65      */
66     void hide() { setVisible(false); }
67 
68 private:
69     WaitSymbol( const ::com::sun::star::uno::Reference<
70                       ::com::sun::star::rendering::XBitmap>& xBitmap,
71                 ScreenUpdater&                               rScreenUpdater,
72                 const UnoViewContainer&                      rViewContainer );
73 
74     // ViewEventHandler
75     virtual void viewAdded( const UnoViewSharedPtr& rView );
76     virtual void viewRemoved( const UnoViewSharedPtr& rView );
77     virtual void viewChanged( const UnoViewSharedPtr& rView );
78     virtual void viewsChanged();
79 
80     void setVisible( const bool bVisible );
81     ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView ) const;
82 
83     template <typename func_type>
84     void for_each_sprite( func_type const & func ) const
85     {
86         ViewsVecT::const_iterator iPos( maViews.begin() );
87         const ViewsVecT::const_iterator iEnd( maViews.end() );
88         for ( ; iPos != iEnd; ++iPos )
89             if( iPos->second )
90                 func( iPos->second );
91     }
92 
93     typedef ::std::vector<
94         ::std::pair<UnoViewSharedPtr,
95                     cppcanvas::CustomSpriteSharedPtr> > ViewsVecT;
96 
97     ::com::sun::star::uno::Reference<
98         ::com::sun::star::rendering::XBitmap>  mxBitmap;
99 
100     ViewsVecT                                  maViews;
101     ScreenUpdater&                             mrScreenUpdater;
102     bool                                       mbVisible;
103 };
104 
105 } // namespace internal
106 } // namespace presentation
107 
108 #endif
109