2018-05-28 22:03:39 +02:00

60 lines
2.3 KiB
C++

/*******************************************************************************
* libretroshare/src/pqi: pqiindic.h *
* *
* libretroshare: retroshare core library *
* *
* Copyright 2004-2006 by Robert Fernie <retroshare@lunamutt.com> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* This program 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 program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#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:
explicit Indicator(uint16_t n = 1)
:num(n), changeFlags(n) {IndicateChanged();}
void IndicateChanged()
{
for(uint16_t i = 0; i < num; i++)
changeFlags[i]=true;
}
bool Changed(uint16_t idx = 0)
{
/* catch overflow */
if (idx > num - 1)
return false;
bool ans = changeFlags[idx];
changeFlags[idx] = false;
return ans;
}
private:
uint16_t num;
std::vector<bool> changeFlags;
};
#endif