slideshow/source/engine/waitsymbol.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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  19
  20 #ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_WAITSYMBOL_HXX
  21 #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_WAITSYMBOL_HXX
  22
  23 #include <com/sun/star/rendering/XBitmap.hpp>
  24 #include <cppcanvas/customsprite.hxx>
  25
  26 #include "vieweventhandler.hxx"
  27 #include "screenupdater.hxx"
  28 #include "eventmultiplexer.hxx"
  29 #include "unoview.hxx"
  30
  31 #include <boost/shared_ptr.hpp>
  32 #include <boost/bind.hpp>
  33 #include <boost/utility.hpp>
  34 #include <vector>
  35
  36 namespace slideshow {
  37 namespace internal {
  38
  39 class EventMultiplexer;
  40 typedef boost::shared_ptr<class WaitSymbol> WaitSymbolSharedPtr;
  41
  42 /// On-screen 'hour glass' for when slideshow is unresponsive
  43 class WaitSymbol : public ViewEventHandler,
  44                    private ::boost::noncopyable
  45 {
  46 public:
  47     static WaitSymbolSharedPtr create( const ::com::sun::star::uno::Reference<
  48                                              ::com::sun::star::rendering::XBitmap>& xBitmap,
  49                                        ScreenUpdater&                               rScreenUpdater,
  50                                        EventMultiplexer&                            rEventMultiplexer,
  51                                        const UnoViewContainer&                      rViewContainer );
  52
  53     /** Shows the wait symbol.
  54      */
  55     void show() { setVisible(true); }
  56
  57     /** Hides the wait symbol.
  58      */
  59     void hide() { setVisible(false); }
  60
  61 private:
  62     WaitSymbol( const ::com::sun::star::uno::Reference<
  63                       ::com::sun::star::rendering::XBitmap>& xBitmap,
  64                 ScreenUpdater&                               rScreenUpdater,
  65                 const UnoViewContainer&                      rViewContainer );
  66
  67     // ViewEventHandler
  68     virtual void viewAdded( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
  69     virtual void viewRemoved( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
  70     virtual void viewChanged( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
  71     virtual void viewsChanged() SAL_OVERRIDE;
  72
  73     void setVisible( const bool bVisible );
  74     ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView ) const;
  75
  76     template <typename func_type>
  77     void for_each_sprite( func_type const & func ) const
  78     {
  79         ViewsVecT::const_iterator iPos( maViews.begin() );
  80         const ViewsVecT::const_iterator iEnd( maViews.end() );
  81         for ( ; iPos != iEnd; ++iPos )
  82             if( iPos->second )
  83                 func( iPos->second );
  84     }
  85
  86     typedef ::std::vector<
  87         ::std::pair<UnoViewSharedPtr,
  88                     cppcanvas::CustomSpriteSharedPtr> > ViewsVecT;
  89
  90     ::com::sun::star::uno::Reference<
  91         ::com::sun::star::rendering::XBitmap>  mxBitmap;
  92
  93     ViewsVecT                                  maViews;
  94     ScreenUpdater&                             mrScreenUpdater;
  95     bool                                       mbVisible;
  96 };
  97
  98 } // namespace internal
  99 } // namespace presentation
 100
 101 #endif
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */