1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef INCLUDED_SLIDESHOW_SIMPLECONTINUOUSACTIVITYBASE_HXX 29*cdf0e10cSrcweir #define INCLUDED_SLIDESHOW_SIMPLECONTINUOUSACTIVITYBASE_HXX 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include "activitybase.hxx" 32*cdf0e10cSrcweir #include <canvas/elapsedtime.hxx> 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir namespace slideshow 35*cdf0e10cSrcweir { 36*cdf0e10cSrcweir namespace internal 37*cdf0e10cSrcweir { 38*cdf0e10cSrcweir /** Simple, continuous animation. 39*cdf0e10cSrcweir 40*cdf0e10cSrcweir This class implements a simple, continuous animation 41*cdf0e10cSrcweir without considering repeats or acceleration on the 42*cdf0e10cSrcweir perform call. Only useful as a base class, you 43*cdf0e10cSrcweir probably want to use ContinuousActivityBase. 44*cdf0e10cSrcweir */ 45*cdf0e10cSrcweir class SimpleContinuousActivityBase : public ActivityBase 46*cdf0e10cSrcweir { 47*cdf0e10cSrcweir public: 48*cdf0e10cSrcweir SimpleContinuousActivityBase( const ActivityParameters& rParms ); 49*cdf0e10cSrcweir 50*cdf0e10cSrcweir virtual double calcTimeLag() const; 51*cdf0e10cSrcweir virtual bool perform(); 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir protected: 54*cdf0e10cSrcweir /** Hook for derived classes 55*cdf0e10cSrcweir 56*cdf0e10cSrcweir This method will be called from perform(). 57*cdf0e10cSrcweir 58*cdf0e10cSrcweir @param nSimpleTime 59*cdf0e10cSrcweir Simple animation time, without repeat, 60*cdf0e10cSrcweir acceleration or deceleration applied. This value 61*cdf0e10cSrcweir is always in the [0,1] range, the repeat is 62*cdf0e10cSrcweir accounted for with the nRepeatCount parameter. 63*cdf0e10cSrcweir 64*cdf0e10cSrcweir @param nRepeatCount 65*cdf0e10cSrcweir Number of full repeats already performed 66*cdf0e10cSrcweir */ 67*cdf0e10cSrcweir virtual void simplePerform( double nSimpleTime, sal_uInt32 nRepeatCount ) const = 0; 68*cdf0e10cSrcweir 69*cdf0e10cSrcweir virtual void startAnimation(); 70*cdf0e10cSrcweir 71*cdf0e10cSrcweir private: 72*cdf0e10cSrcweir /// Time elapsed since activity started 73*cdf0e10cSrcweir ::canvas::tools::ElapsedTime maTimer; 74*cdf0e10cSrcweir 75*cdf0e10cSrcweir /// Simple duration of activity 76*cdf0e10cSrcweir const double mnMinSimpleDuration; 77*cdf0e10cSrcweir 78*cdf0e10cSrcweir /// Minimal number of frames to show (see ActivityParameters) 79*cdf0e10cSrcweir const sal_uInt32 mnMinNumberOfFrames; 80*cdf0e10cSrcweir 81*cdf0e10cSrcweir /// Actual number of frames shown until now. 82*cdf0e10cSrcweir sal_uInt32 mnCurrPerformCalls; 83*cdf0e10cSrcweir }; 84*cdf0e10cSrcweir } 85*cdf0e10cSrcweir } 86*cdf0e10cSrcweir 87*cdf0e10cSrcweir #endif /* INCLUDED_SLIDESHOW_SIMPLECONTINUOUSACTIVITYBASE_HXX */ 88