slideshow/source/engine/rehearsetimingsactivity.hxx

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  30
  31 #ifndef INCLUDED_SLIDESHOW_REHEARSETIMINGSACTIVITY_HXX
  32 #define INCLUDED_SLIDESHOW_REHEARSETIMINGSACTIVITY_HXX
  33
  34 #include "activity.hxx"
  35
  36 #include <basegfx/range/b2drange.hxx>
  37 #include <boost/shared_ptr.hpp>
  38 #include <boost/enable_shared_from_this.hpp>
  39 #include <boost/noncopyable.hpp>
  40
  41 #include <vector>
  42 #include <utility>
  43
  44 class Font;
  45 namespace canvas{ namespace tools{ class ElapsedTime; }}
  46 namespace cppcanvas{ class CustomSprite; }
  47 namespace basegfx
  48 {
  49     class B2IVector;
  50     class B2DRange;
  51 }
  52
  53 namespace slideshow {
  54 namespace internal {
  55
  56 struct SlideShowContext;
  57 class EventMultiplexer;
  58 class ScreenUpdater;
  59 class RehearseTimingsActivity : public Activity,
  60                                 public ViewEventHandler,
  61                                 public boost::enable_shared_from_this<RehearseTimingsActivity>,
  62                                 private ::boost::noncopyable
  63 {
  64 public:
  65     /** Creates the activity.
  66      */
  67     static boost::shared_ptr<RehearseTimingsActivity> create(
  68         const SlideShowContext& rContext );
  69
  70     virtual ~RehearseTimingsActivity();
  71
  72     /** Starts and shows the timer; adds to activity queue.
  73      */
  74     void start();
  75
  76     /** Stops and hides the timer.
  77         @return elapsed time
  78      */
  79     double stop();
  80
  81     /** Determines whether the timer button has been clicked.
  82      */
  83     bool hasBeenClicked() const;
  84
  85     // ViewEventHandler interface
  86     virtual void viewAdded( const UnoViewSharedPtr& rView );
  87     virtual void viewRemoved( const UnoViewSharedPtr& rView );
  88     virtual void viewChanged( const UnoViewSharedPtr& rView );
  89     virtual void viewsChanged();
  90
  91     // Disposable:
  92     virtual void dispose();
  93     // Activity:
  94     virtual double calcTimeLag() const;
  95     virtual bool perform();
  96     virtual bool isActive() const;
  97     virtual void dequeued();
  98     virtual void end();
  99
 100 private:
 101     class WakeupEvent;
 102
 103     explicit RehearseTimingsActivity( const SlideShowContext& rContext );
 104
 105     void paint( ::cppcanvas::CanvasSharedPtr const & canvas ) const;
 106     void paintAllSprites() const;
 107
 108     class MouseHandler;
 109     friend class MouseHandler;
 110
 111     typedef ::std::vector<
 112         ::std::pair<UnoViewSharedPtr,
 113                     boost::shared_ptr<cppcanvas::CustomSprite> > > ViewsVecT;
 114
 115     template <typename func_type>
 116     void for_each_sprite( func_type const & func ) const
 117     {
 118         ViewsVecT::const_iterator iPos( maViews.begin() );
 119         const ViewsVecT::const_iterator iEnd( maViews.end() );
 120         for ( ; iPos != iEnd; ++iPos )
 121             func( iPos->second );
 122     }
 123
 124     ::basegfx::B2DRange calcSpriteRectangle(
 125         UnoViewSharedPtr const & rView ) const;
 126
 127     EventQueue&                     mrEventQueue;
 128     ScreenUpdater&                  mrScreenUpdater;
 129     EventMultiplexer&               mrEventMultiplexer;
 130     ActivitiesQueue&                mrActivitiesQueue;
 131     canvas::tools::ElapsedTime      maElapsedTime;
 132
 133     ViewsVecT                       maViews;
 134
 135     /// screen rect of sprite (in view coordinates!)
 136     ::basegfx::B2DRange             maSpriteRectangle;
 137
 138     Font                            maFont;
 139     boost::shared_ptr<WakeupEvent>  mpWakeUpEvent;
 140     boost::shared_ptr<MouseHandler> mpMouseHandler;
 141     ::basegfx::B2IVector            maSpriteSizePixel;
 142     sal_Int32                       mnYOffset;
 143     bool                            mbActive;
 144     bool                            mbDrawPressed;
 145 };
 146
 147 } // namespace internal
 148 } // namespace presentation
 149
 150 #endif /* INCLUDED_SLIDESHOW_REHEARSETIMINGSACTIVITY_HXX */