// ======================================================
//
// A general-purpose countdown timer
// To use this class, specialize it
// and override tick()
//
// ======================================================

#ifndef timer_H
#define timer_H

#include <ctime>
#include <functional>

class Timer {
  public:
    Timer(std::function<void(void)> action);

    void timeoutRequest(int seconds);

    // template method
    void tick();

  protected:
    bool isExpired();

  private:
    std::function<void(void)> doExpired;

    int timeToGo;
};

#endif