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// Timer.hh for fluxbox
// Copyright (c) 2002 Henrik Kinnunen (fluxgen at linuxmail.org)
//
// Timer.hh for Blackbox - An X11 Window Manager
// Copyright (c) 1997 - 2000 Brad Hughes (bhughes at tcac.net)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#ifndef TIMER_HH
#define TIMER_HH
#include <ctime>
#include <list>
/**
Inherit this to have a timed object, that calls
timeout function when the time is out
*/
class TimeoutHandler {
public:
/// called when the time is out
virtual void timeout() = 0;
};
/**
Handles TimeoutHandles
*/
class BTimer {
public:
explicit BTimer(TimeoutHandler *handler);
virtual ~BTimer();
inline int isTiming() const { return m_timing; }
inline int doOnce() const { return m_once; }
inline const timeval &getTimeout() const { return m_timeout; }
inline const timeval &getStartTime() const { return m_start; }
inline void fireOnce(bool once) { m_once = once; }
/// set timeout
void setTimeout(long val);
/// set timeout
void setTimeout(timeval val);
/// start timing
void start();
/// stop timing
void stop();
/// update all timers
static void updateTimers(int file_descriptor);
protected:
/// force a timeout
void fireTimeout();
private:
/// add a timer to the static list
static void addTimer(BTimer *timer);
/// remove a timer from the static list
static void removeTimer(BTimer *timer);
typedef std::list<BTimer *> TimerList;
static TimerList m_timerlist; ///< list of all timers
TimeoutHandler *m_handler; ///< handler
bool m_timing; ///< clock running?
bool m_once; ///< do timeout only once?
timeval m_start; ///< start time
timeval m_timeout; ///< time length
};
#endif // TIMER_HH
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