AOO410/main/slideshow/source/engine/rehearsetimingsactivity.hxx

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 * to you under the Apache License, Version 2.0 (the
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#ifndef INCLUDED_SLIDESHOW_REHEARSETIMINGSACTIVITY_HXX
#define INCLUDED_SLIDESHOW_REHEARSETIMINGSACTIVITY_HXX

#include "activity.hxx"

#include <basegfx/range/b2drange.hxx>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/noncopyable.hpp>

#include <vector>
#include <utility>

class Font;
namespace canvas{ namespace tools{ class ElapsedTime; }}
namespace cppcanvas{ class CustomSprite; }
namespace basegfx
{
    class B2IVector;
    class B2DRange;
}

namespace slideshow {
namespace internal {

struct SlideShowContext;
class EventMultiplexer;
class ScreenUpdater;
class RehearseTimingsActivity : public Activity,
                                public ViewEventHandler,
                                public boost::enable_shared_from_this<RehearseTimingsActivity>,
                                private ::boost::noncopyable
{
public:
    /** Creates the activity.
     */
    static boost::shared_ptr<RehearseTimingsActivity> create( 
        const SlideShowContext& rContext );

    virtual ~RehearseTimingsActivity();

    /** Starts and shows the timer; adds to activity queue.
     */
    void start();
    
    /** Stops and hides the timer.
        @return elapsed time
     */
    double stop();

    /** Determines whether the timer button has been clicked.
     */
    bool hasBeenClicked() const;

    // ViewEventHandler interface
    virtual void viewAdded( const UnoViewSharedPtr& rView );
    virtual void viewRemoved( const UnoViewSharedPtr& rView );
    virtual void viewChanged( const UnoViewSharedPtr& rView );
    virtual void viewsChanged();
    
    // Disposable:
    virtual void dispose();
    // Activity:
    virtual double calcTimeLag() const;
    virtual bool perform();
    virtual bool isActive() const;
    virtual void dequeued();
    virtual void end();
    
private:
    class WakeupEvent;

    explicit RehearseTimingsActivity( const SlideShowContext& rContext );
    
    void paint( ::cppcanvas::CanvasSharedPtr const & canvas ) const;
    void paintAllSprites() const;
    
    class MouseHandler;
    friend class MouseHandler;
    
    typedef ::std::vector<
        ::std::pair<UnoViewSharedPtr,
                    boost::shared_ptr<cppcanvas::CustomSprite> > > ViewsVecT;

    template <typename func_type>
    void for_each_sprite( func_type const & func ) const
    {
        ViewsVecT::const_iterator iPos( maViews.begin() );
        const ViewsVecT::const_iterator iEnd( maViews.end() );
        for ( ; iPos != iEnd; ++iPos )
            func( iPos->second );
    }

    ::basegfx::B2DRange calcSpriteRectangle(
        UnoViewSharedPtr const & rView ) const;
    
    EventQueue&                     mrEventQueue;
    ScreenUpdater&                  mrScreenUpdater;
    EventMultiplexer&               mrEventMultiplexer;
    ActivitiesQueue&                mrActivitiesQueue;
    canvas::tools::ElapsedTime      maElapsedTime;

    ViewsVecT                       maViews;
    
    /// screen rect of sprite (in view coordinates!)
    ::basegfx::B2DRange             maSpriteRectangle;
    
    Font                            maFont;
    boost::shared_ptr<WakeupEvent>  mpWakeUpEvent;
    boost::shared_ptr<MouseHandler> mpMouseHandler;
    ::basegfx::B2IVector            maSpriteSizePixel;
    sal_Int32                       mnYOffset;
    bool                            mbActive;
    bool                            mbDrawPressed;
};

} // namespace internal
} // namespace presentation

#endif /* INCLUDED_SLIDESHOW_REHEARSETIMINGSACTIVITY_HXX */