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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef INCLUDED_SLIDESHOW_DISCRETEACTIVITYBASE_HXX
#define INCLUDED_SLIDESHOW_DISCRETEACTIVITYBASE_HXX
#include "activitybase.hxx"
#include "wakeupevent.hxx"
#include <vector>
namespace slideshow
{
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 /* INCLUDED_SLIDESHOW_DISCRETEACTIVITYBASE_HXX */
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