analog_clock.h

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// Based on "Design Patterns: Elements of Reusable Object-Oriented Software"
// book by Erich Gamma, John Vlissides, Ralph Johnson, and Richard Helm 
//
// Created by Bartosz Rachwal. The National Institute of Advanced Industrial Science and Technology, Japan.

#ifndef OPERATIONAL_OBSERVER_ANALOG_CLOCK_H_
#define OPERATIONAL_OBSERVER_ANALOG_CLOCK_H_

#include "observer_widget_interface.h"
#include "clock_tick_observer.h"
#include "clock_timer.h"

#include <string>

namespace operational
{
namespace observer
{
class AnalogClock : public ObserverWidgetInterface, public ClockTickObserver
{
    public:
    explicit AnalogClock(ClockTimer* clock_timer);
    virtual ~AnalogClock() override;

    virtual void OnClockTick() override;

    virtual void Draw() override;

    std::string formated_time() const;

    private:
    ClockTimer* clock_timer_;
    std::string formated_time_;
};
}
}

#endif