notify.h

#pragma once

#include <string>

namespace vrok {
class Notify {
public:
    class Notifier {
    public:
        virtual void OnError(int level, std::string msg) { }
        virtual void OnWarning(int level, std::string msg) { }
        virtual void OnInformation(std::string msg) { }
        virtual void OnDebug(int level, std::string msg) { }
    };
    Notify() : _notifier(nullptr), _elevel(0), _dlevel(0), _wlevel(0) { }
    static Notify *GetInstance() {
        static Notify notify;
        return &notify;
    }
    void SetNotifier(Notifier *notifier) { _notifier = notifier; }
    void SetErrorLevel(int level) { _elevel = level; }
    void setWarningLevel(int level) { _wlevel = level; }
    void setDebugLevel(int level) { _dlevel = level; }
    void NotifyError(int level, std::string msg);
    void NotifyWarning(int level, std::string msg);
    void NotifyInformation(std::string msg);
    void NotifyDebug(int level, std::string msg);

private:
    Notifier *_notifier;
    int _elevel, _dlevel, _wlevel;
};

}