RetroShare/libretroshare/src/pqi/pqiindic.h

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/*
* "$Id: pqiindic.h,v 1.3 2007-02-18 21:46:49 rmf24 Exp $"
*
* 3P/PQI network interface for RetroShare.
*
* Copyright 2004-2006 by Robert Fernie.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*/
#ifndef MRK_PQI_INDICATOR_HEADER
#define MRK_PQI_INDICATOR_HEADER
#include <vector>
// This will indicate to num different sources
// when the event has occured.
class Indicator
{
public:
Indicator(int n = 0)
:num(n), changeFlags(n) {IndicateChanged();}
void IndicateChanged()
{
for(int i = 0; i < num; i++)
changeFlags[i]=true;
}
bool Changed(int idx)
{
/* catch overflow */
if (idx > num - 1)
return false;
bool ans = changeFlags[idx];
changeFlags[idx] = false;
return ans;
}
private:
int num;
std::vector<bool> changeFlags;
};
#endif