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-rw-r--r--src/timer.hh124
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diff --git a/src/timer.hh b/src/timer.hh
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--- a/src/timer.hh
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-// -*- mode: C++; indent-tabs-mode: nil; -*-
-#ifndef _BLACKBOX_Timer_hh
-#define _BLACKBOX_Timer_hh
-
-extern "C" {
-#ifdef TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else // !TIME_WITH_SYS_TIME
-# ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else // !HAVE_SYS_TIME_H
-# include <time.h>
-# endif // HAVE_SYS_TIME_H
-#endif // TIME_WITH_SYS_TIME
-}
-
-#include <queue>
-#include <algorithm>
-#include <vector>
-
-namespace ob {
-
-// forward declaration
-class OBTimerQueueManager;
-
-class TimeoutHandler {
-public:
- virtual void timeout(void) = 0;
-};
-
-class OBTimer {
-private:
- TimeoutHandler *handler;
- bool timing, recur;
-
- timeval _start, _timeout;
-
- OBTimer(const OBTimer&);
- OBTimer& operator=(const OBTimer&);
-
-public:
- OBTimer(TimeoutHandler *h);
- virtual ~OBTimer(void);
-
- void fireTimeout(void);
-
- inline bool isTiming(void) const { return timing; }
- inline bool isRecurring(void) const { return recur; }
-
- inline const timeval &getTimeout(void) const { return _timeout; }
- inline const timeval &getStartTime(void) const { return _start; }
-
- timeval timeRemaining(const timeval &tm) const;
- bool shouldFire(const timeval &tm) const;
- timeval endpoint(void) const;
-
- inline void recurring(bool b) { recur = b; }
-
- void setTimeout(long t);
- void setTimeout(const timeval &t);
-
- void start(void); // manager acquires timer
- void stop(void); // manager releases timer
- void halt(void); // halts the timer
-
- bool operator<(const OBTimer& other) const
- { return shouldFire(other.endpoint()); }
-};
-
-
-template <class _Tp, class _Sequence, class _Compare>
-class _timer_queue: protected std::priority_queue<_Tp, _Sequence, _Compare> {
-public:
- typedef std::priority_queue<_Tp, _Sequence, _Compare> _Base;
-
- _timer_queue(void): _Base() {}
- ~_timer_queue(void) {}
-
- void release(const _Tp& value) {
- c.erase(std::remove(c.begin(), c.end(), value), c.end());
- // after removing the item we need to make the heap again
- std::make_heap(c.begin(), c.end(), comp);
- }
- bool empty(void) const { return _Base::empty(); }
- size_t size(void) const { return _Base::size(); }
- void push(const _Tp& value) { _Base::push(value); }
- void pop(void) { _Base::pop(); }
- const _Tp& top(void) const { return _Base::top(); }
-private:
- // no copying!
- _timer_queue(const _timer_queue&) {}
- _timer_queue& operator=(const _timer_queue&) {}
-};
-
-struct TimerLessThan {
- bool operator()(const OBTimer* const l, const OBTimer* const r) const {
- return *r < *l;
- }
-};
-
-typedef _timer_queue<OBTimer*,
- std::vector<OBTimer*>, TimerLessThan> TimerQueue;
-
-class OBTimerQueueManager {
-private:
- TimerQueue timerList;
-public:
- OBTimerQueueManager() {}
- virtual ~OBTimerQueueManager() {}
-
- //! Will wait for and fire the next timer in the queue.
- /*!
- The function will stop waiting if an event is received from the X server.
- */
- virtual void fire();
-
- virtual void addTimer(OBTimer* timer);
- virtual void removeTimer(OBTimer* timer);
-};
-
-}
-
-#endif // _BLACKBOX_Timer_hh