JackActivationCount.h

00001 /*
00002 Copyright (C) 2004-2008 Grame  
00003 
00004 This program is free software; you can redistribute it and/or modify
00005 it under the terms of the GNU General Public License as published by
00006 the Free Software Foundation; either version 2 of the License, or
00007 (at your option) any later version.
00008 
00009 This program is distributed in the hope that it will be useful,
00010 but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 GNU General Public License for more details.
00013 
00014 You should have received a copy of the GNU General Public License
00015 along with this program; if not, write to the Free Software
00016 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 
00018 */
00019 
00020 #ifndef __JackActivationCount__
00021 #define __JackActivationCount__
00022 
00023 #include "JackSynchro.h"
00024 #include "JackTime.h"
00025 #include "JackTypes.h"
00026 
00027 namespace Jack
00028 {
00029 
00030 struct JackClientControl;
00031 
00036 class JackActivationCount
00037 {
00038 
00039     private:
00040 
00041                 SInt32 fValue;
00042         SInt32 fCount;
00043 
00044     public:
00045 
00046        JackActivationCount(): fValue(0), fCount(0)
00047         {}
00048         virtual ~JackActivationCount()
00049         {}
00050 
00051         bool Signal(JackSynchro* synchro, JackClientControl* control);
00052 
00053         inline void Reset()
00054         {
00055             fValue = fCount;
00056         }
00057 
00058         inline void SetValue(int val)
00059         {
00060             fCount = val;
00061         }
00062 
00063         inline void IncValue()
00064         {
00065             fCount++;
00066         }
00067 
00068         inline void DecValue()
00069         {
00070             fCount--;
00071         }
00072 
00073         inline int GetValue() const
00074         {
00075             return fValue;
00076         }
00077 
00078 };
00079 
00080 } // end of namespace
00081 
00082 
00083 #endif
00084 

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