slideshow/source/engine/waitsymbol.hxx

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  30
  31 #if ! defined(WAITSYMBOL_HXX_INCLUDED)
  32 #define WAITSYMBOL_HXX_INCLUDED
  33
  34 #include <com/sun/star/rendering/XBitmap.hpp>
  35 #include <cppcanvas/customsprite.hxx>
  36
  37 #include "vieweventhandler.hxx"
  38 #include "screenupdater.hxx"
  39 #include "eventmultiplexer.hxx"
  40 #include "unoview.hxx"
  41
  42 #include <boost/shared_ptr.hpp>
  43 #include <boost/bind.hpp>
  44 #include <boost/utility.hpp> // for noncopyable
  45 #include <vector>
  46
  47 namespace slideshow {
  48 namespace internal {
  49
  50 class EventMultiplexer;
  51 typedef boost::shared_ptr<class WaitSymbol> WaitSymbolSharedPtr;
  52
  53 class WaitSymbol : public ViewEventHandler,
  54                    private ::boost::noncopyable
  55 {
  56 public:
  57     static WaitSymbolSharedPtr create( const ::com::sun::star::uno::Reference<
  58                                              ::com::sun::star::rendering::XBitmap>& xBitmap,
  59                                        ScreenUpdater&                               rScreenUpdater,
  60                                        EventMultiplexer&                            rEventMultiplexer,
  61                                        const UnoViewContainer&                      rViewContainer );
  62
  63     /** Shows the wait symbol.
  64      */
  65     void show() { setVisible(true); }
  66
  67     /** Hides the wait symbol.
  68      */
  69     void hide() { setVisible(false); }
  70
  71 private:
  72     WaitSymbol( const ::com::sun::star::uno::Reference<
  73                       ::com::sun::star::rendering::XBitmap>& xBitmap,
  74                 ScreenUpdater&                               rScreenUpdater,
  75                 const UnoViewContainer&                      rViewContainer );
  76
  77     // ViewEventHandler
  78     virtual void viewAdded( const UnoViewSharedPtr& rView );
  79     virtual void viewRemoved( const UnoViewSharedPtr& rView );
  80     virtual void viewChanged( const UnoViewSharedPtr& rView );
  81     virtual void viewsChanged();
  82
  83     void setVisible( const bool bVisible );
  84     ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView ) const;
  85
  86     template <typename func_type>
  87     void for_each_sprite( func_type const & func ) const
  88     {
  89         ViewsVecT::const_iterator iPos( maViews.begin() );
  90         const ViewsVecT::const_iterator iEnd( maViews.end() );
  91         for ( ; iPos != iEnd; ++iPos )
  92             if( iPos->second )
  93                 func( iPos->second );
  94     }
  95
  96     typedef ::std::vector<
  97         ::std::pair<UnoViewSharedPtr,
  98                     cppcanvas::CustomSpriteSharedPtr> > ViewsVecT;
  99
 100     ::com::sun::star::uno::Reference<
 101         ::com::sun::star::rendering::XBitmap>  mxBitmap;
 102
 103     ViewsVecT                                  maViews;
 104     ScreenUpdater&                             mrScreenUpdater;
 105     bool                                       mbVisible;
 106 };
 107
 108 } // namespace internal
 109 } // namespace presentation
 110
 111 #endif