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timer.h

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#ifndef header_timer
#define header_timer

#include "keep_alive.h"
#include "../../signals.h"

class CL_Timer : public CL_KeepAlive
//: Timer signal emitter.
// Use this class to emit a signal as a timer event.
{
public:
        CL_Timer(unsigned long interval = 1000);
        // Constructs and registers the timer as a keep_alive listener.
        
        virtual void keep_alive();
        // Called when CL_System::keep_alive() is called.

        CL_Signal_v0 sig_timer;
        // Signal emitted everytime the interval has elapsed.
        
        void set_interval(unsigned long interval);
        // Sets a new interval for the timer.

        unsigned long get_interval();
        // Returns the current time interval.

        void enable();
        // Call this function to enable the timer.
        
        void disable();
        // Call this function to disable the timer.
        
private:
        unsigned long interval;
        unsigned long last_time;
        bool enabled;
};

#endif

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