c17884aae3
2004/12/08 12:44:33 thb 1.1.2.1: #i36214# Restructured activities factory into several files, to increase maintainability (in preparation for implementing global time handling)
143 lines
5.2 KiB
C++
143 lines
5.2 KiB
C++
/*************************************************************************
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*
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* $RCSfile: activitybase.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: kz $ $Date: 2005-01-21 16:58:13 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _SLIDESHOW_ACTIVITYBASE_HXX
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#define _SLIDESHOW_ACTIVITYBASE_HXX
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#include <animationactivity.hxx>
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#include <activityparameters.hxx>
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#include <animatableshape.hxx>
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#include <shapeattributelayer.hxx>
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namespace presentation
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{
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namespace internal
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{
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/** Base class for animation activities.
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This whole class hierarchy is only for code sharing
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between the various specializations (with or without
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key times, fully discrete, etc.).
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*/
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class ActivityBase : public AnimationActivity
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{
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public:
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ActivityBase( const ActivityParameters& rParms );
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/** Hook for derived classes
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This method will be called from the first
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perform() invocation, to signal the start of the
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activity.
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*/
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virtual void start() = 0;
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/// From Disposable interface
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virtual void dispose();
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/** From Activity interface
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Derived classes should override, call this first
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and then perform their work.
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*/
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virtual bool perform();
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virtual bool isActive() const;
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virtual bool needsScreenUpdate() const;
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virtual void end();
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// From AnimationActivity interface
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virtual void setTargets( const AnimatableShapeSharedPtr& rShape,
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const ShapeAttributeLayerSharedPtr& rAttrLayer );
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protected:
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/** Modify fractional time.
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This method modifies the fractional time (total
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duration mapped to the [0,1] range) to the
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effective simple time, but only according to
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acceleration/deceleration.
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*/
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double calcAcceleratedTime( double nT ) const;
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// TODO(Q2): Wrap direct member access with protected
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// accessor methods
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EventSharedPtr mpEndEvent;
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EventQueue& mrEventQueue;
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AnimatableShapeSharedPtr mpShape; // only to pass on to animation
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ShapeAttributeLayerSharedPtr mpAttributeLayer; // only to pass on to animation
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const ::comphelper::OptionalValue<double> maRepeats;
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const double mnAccelerationFraction;
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const double mnDecelerationFraction;
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const bool mbAutoReverse;
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bool mbFirstPerformCall; // true, if perform() has not yet been called
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bool mbIsActive;
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};
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}
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}
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#endif /* _SLIDESHOW_ACTIVITYBASE_HXX */
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