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/*************************************************************************
*
* 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 <activitybase.hxx>
#include <wakeupevent.hxx>
#include <vector>
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 */
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