activity.hxx

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#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_ACTIVITY_HXX
#define INCLUDED_SLIDESHOW_SOURCE_INC_ACTIVITY_HXX
 
#include <memory>
 
#include "disposable.hxx"
 
 
/* Definition of Activity interface */
 
namespace slideshow::internal
    {
 
        class Activity : public Disposable, public virtual SharedPtrAble
        {
        public:
            virtual bool perform() = 0;
 
            virtual double calcTimeLag() const = 0;
 
            virtual bool isActive() const = 0;
 
            virtual void dequeued() = 0;
 
            virtual void end() = 0;
        };
 
        typedef ::std::shared_ptr< Activity > ActivitySharedPtr;
 
}
 
#endif // INCLUDED_SLIDESHOW_SOURCE_INC_ACTIVITY_HXX
 
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