Progress.h

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#pragma once
#include <string>
#include <functional>
#include <vapor/common.h>
 
namespace VAPoR {
 
 
class COMMON_API Progress {
public:
    typedef std::function<void(const std::string &name, long nTotal, bool cancellable)> Start_t;
    typedef std::function<void(long nDone, bool *cancelled)>                            Update_t;
    typedef std::function<void()>                                                       Finish_t;
 
    static void Start(const std::string &name, long total, bool cancelable = false);
    static void StartIndefinite(const std::string &name, bool cancelable = false);
    static void Update(long completed);
    static inline bool Cancelled() { return _cancelled; }
    static void Finish();
    static void SetHandlers(Start_t start, Update_t update, Finish_t finish);
 
#ifndef NDEBUG
    static void Sleep(double s);
#endif
 
private:
    static bool _cancelled;
    static long _total;
 
    static Start_t  _start;
    static Update_t _update;
    static Finish_t _finish;
};
}    // namespace VAPoR