#ifndef __TIMER_HH__ #define __TIMER_HH__ class TimeoutHandler; class TimerController { public: TimerController(); int arm(TimeoutHandler *which, int ms); void disarm(TimeoutHandler *which); void tick(); private: int n_handlers; TimeoutHandler **handlers; }; class TimeoutHandler { friend class TimerController; public: TimeoutHandler() { this->timeout = 0; this->timer_id = -1; } ~TimeoutHandler(); void tick() { this->timeout--; if (this->timeout == 0) this->timeoutCallback(); } virtual void timeoutCallback() = 0; protected: int timeout; int timer_id; }; #endif /* __TIMER_HH__ */