33 lines
531 B
C++
33 lines
531 B
C++
// ======================================================
|
|
//
|
|
// A general-purpose countdown timer
|
|
// To use this class, specialize it
|
|
// and override tick()
|
|
//
|
|
// ======================================================
|
|
|
|
#ifndef timer_H
|
|
#define timer_H
|
|
|
|
#include <ctime>
|
|
|
|
class Timer {
|
|
public:
|
|
Timer();
|
|
|
|
void timeoutRequest(int seconds);
|
|
|
|
// template method
|
|
void tick();
|
|
|
|
protected:
|
|
bool isExpired();
|
|
|
|
private:
|
|
virtual void doExpired() = 0;
|
|
|
|
int timeToGo;
|
|
};
|
|
|
|
#endif
|