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// must be first
#include <canvas/debug.hxx>
#include <canvas/verbosetrace.hxx>

#include <wakeupevent.hxx>


namespace slideshow
{
    namespace internal
    {
        WakeupEvent::WakeupEvent(
            boost::shared_ptr<canvas::tools::ElapsedTime> const & pTimeBase,
            ActivitiesQueue& rActivityQueue ) :
#if OSL_DEBUG_LEVEL > 1
            Event(::rtl::OUString("WakeupEvent")),
#endif
            maTimer(pTimeBase),
            mnNextTime(0.0),
            mpActivity(),
            mrActivityQueue( rActivityQueue )
        {
        }

        void WakeupEvent::dispose()
        {
            mpActivity.reset();
        }

        bool WakeupEvent::fire()
        {
            if( !mpActivity )
                return false;

            return mrActivityQueue.addActivity( mpActivity );
        }

        bool WakeupEvent::isCharged() const
        {
            // this event won't expire, we fire everytime we're
            // re-inserted into the event queue.
            return true;
        }

        double WakeupEvent::getActivationTime( double nCurrentTime ) const
        {
            const double nElapsedTime( maTimer.getElapsedTime() );

            return ::std::max( nCurrentTime,
                               nCurrentTime - nElapsedTime + mnNextTime );
        }

        void WakeupEvent::start()
        {
            // start timer
            maTimer.reset();
        }

        void WakeupEvent::setNextTimeout( double rNextTime )
        {
            mnNextTime = rNextTime;
        }

        void WakeupEvent::setActivity( const ActivitySharedPtr& rActivity )
        {
            mpActivity = rActivity;
        }
    }
}

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