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libreoffice/slideshow/source/engine/activities/simplecontinuousactivitybase.hxx
Kurt Zenker 74bdb94493 INTEGRATION: CWS impress23 (1.1.2); FILE ADDED
2004/12/08 12:44:38 thb 1.1.2.1: #i36214# Restructured activities factory into several files, to increase maintainability (in preparation for implementing global time handling)
2005-01-21 16:00:43 +00:00

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4.3 KiB
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/*************************************************************************
*
* $RCSfile: simplecontinuousactivitybase.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: kz $ $Date: 2005-01-21 17:00:43 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 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
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* See the License for the specific provisions governing your rights and
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*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
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************************************************************************/
#ifndef _SLIDESHOW_SIMPLECONTINUOUSACTIVITYBASE_HXX
#define _SLIDESHOW_SIMPLECONTINUOUSACTIVITYBASE_HXX
#include <activitybase.hxx>
#include <canvas/elapsedtime.hxx>
namespace presentation
{
namespace internal
{
/** Simple, continuous animation.
This class implements a simple, continuous animation
without considering repeats or acceleration on the
perform call. Only useful as a base class, you
probably want to use ContinuousActivityBase.
*/
class SimpleContinuousActivityBase : public ActivityBase
{
public:
SimpleContinuousActivityBase( const ActivityParameters& rParms );
/** Hook for derived classes
This method will be called from perform().
@param nSimpleTime
Simple animation time, without repeat,
acceleration or deceleration applied. This value
is always in the [0,1] range, the repeat is
accounted for with the nRepeatCount parameter.
@param nRepeatCount
Number of full repeats already performed
*/
virtual void simplePerform( double nSimpleTime, sal_uInt32 nRepeatCount ) const = 0;
virtual void start();
virtual bool perform();
protected:
/// Time elapsed since activity started
::canvas::tools::ElapsedTime maTimer;
/// Simple duration of activity
const double mnMinSimpleDuration;
/// Minimal number of frames to show (see ActivityParameters)
const sal_uInt32 mnMinNumberOfFrames;
/// Actual number of frames shown until now.
sal_uInt32 mnCurrPerformCalls;
};
}
}
#endif /* _SLIDESHOW_SIMPLECONTINUOUSACTIVITYBASE_HXX */