#include <chrono> 
#include <memory>
#include <functional>
#include "lvgl.h"

class poller{
public:
    poller(std::function<void()> aOnPollCb, std::chrono::milliseconds pollTime = std::chrono::seconds(5));
    virtual ~poller();

    void setPollPeriod(std::chrono::milliseconds aPollPeriod){ lv_timer_set_period(mTimer, aPollPeriod.count());}
    inline void pause()   { lv_timer_pause(mTimer);} 
    inline void resume()  { lv_timer_resume(mTimer);}
    inline void reset()   { lv_timer_reset(mTimer);}
    inline void runNext() { lv_timer_ready(mTimer);}

private: 
    lv_timer_t* mTimer = nullptr;
    std::function<void()> mIntermittentCallback = nullptr;
    
    // Static function registered to every timers callback to pass this object as context
    static void onPoll(_lv_timer_t* aTimer);
};