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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
// -=- IntervalTimer.h
//
// Simple wrapper for standard Win32 timers
#ifndef __RFB_WIN32_INTERVAL_TIMER_H__
#define __RFB_WIN32_INTERVAL_TIMER_H__
namespace rfb {
namespace win32 {
struct IntervalTimer {
IntervalTimer(HWND hwnd_, int id_)
: hwnd(hwnd_), id(id_), active(false) {
}
IntervalTimer() : hwnd(nullptr), id(0), active(false) {
}
~IntervalTimer() {
stop();
}
void start(int interval_) {
if (!active || interval_ != interval) {
interval = interval_;
if (!SetTimer(hwnd, id, interval, nullptr))
throw rdr::SystemException("SetTimer", GetLastError());
active = true;
}
}
void stop() {
if (active)
KillTimer(hwnd, id);
active = false;
}
void setHWND(HWND hwnd_) {hwnd=hwnd_;}
void setId(int id_) {id = id_;}
int getId() const {return id;}
bool isActive() const {return active;}
private:
HWND hwnd;
int id;
bool active;
int interval;
};
}; // win32
}; // rfb
#endif // __RFB_WIN32_INTERVAL_TIMER_H__
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