/************************************************************************* * * OpenOffice.org - a multi-platform office productivity suite * * $RCSfile: discreteactivitybase.hxx,v $ * * $Revision: 1.5 $ * * last change: $Author: obo $ $Date: 2005-10-11 08:40:45 $ * * The Contents of this file are made available subject to * the terms of GNU Lesser General Public License Version 2.1. * * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2005 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * ************************************************************************/ #ifndef _SLIDESHOW_DISCRETEACTIVITYBASE_HXX #define _SLIDESHOW_DISCRETEACTIVITYBASE_HXX #include #include #include namespace presentation { namespace internal { /** Specialization of ActivityBase for discrete time activities. A discrete time activity is one where time proceeds in discrete steps, i.e. at given time instants. */ class DiscreteActivityBase : public ActivityBase { public: DiscreteActivityBase( const ActivityParameters& rParms ); /** Hook for derived classes. This method is called for each discrete time instant, with nFrame denoting the frame number (starting with 0) @param nFrame Current frame number. @param nRepeatCount Number of full repeats already performed */ virtual void perform( sal_uInt32 nFrame, sal_uInt32 nRepeatCount ) const = 0; virtual void dispose(); virtual bool perform(); protected: virtual void startAnimation(); sal_uInt32 calcFrameIndex( sal_uInt32 nCurrCalls, ::std::size_t nVectorSize ) const; sal_uInt32 calcRepeatCount( sal_uInt32 nCurrCalls, ::std::size_t nVectorSize ) const; ::std::size_t getNumberOfKeyTimes() const { return maDiscreteTimes.size(); } private: WakeupEventSharedPtr mpWakeupEvent; const ::std::vector< double > maDiscreteTimes; const double mnSimpleDuration; sal_uInt32 mnCurrPerformCalls; }; } } #endif /* _SLIDESHOW_DISCRETEACTIVITYBASE_HXX */