mlNotify.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef ML_NOTIFY_H
#define ML_NOTIFY_H
 
 
#include "mlUtilsSystem.h"
 
#include <iostream>
#include <vector>
 
ML_UTILS_START_NAMESPACE
 
 
  //---------------------------------------------------------------------------------------------
  //---------------------------------------------------------------------------------------------
  class ML_UTILS_EXPORT Notify {
 
  public:
    //---------------------------------------------------------------------------------------------
    //---------------------------------------------------------------------------------------------
 
    Notify();
 
    Notify(const Notify &notifyObj);
 
    ~Notify();
 
    Notify& operator=(const Notify& notifyObj);
 
    void reset();
 
    void setEnabled(bool flag);
 
    bool isEnabled() const;
 
    void addNotifyCB(void* userData, MLNotifyCB* callback);
 
    void removeNotifyCB(void* userData, MLNotifyCB* callback);
 
    void removeAllNotifyCBs();
 
    size_t getNumNotifyCBs() const;
 
    const std::vector<void*>& getUserDataList() const;
 
    const std::vector<MLNotifyCB*>& getCallbackList() const;
 
    void notify(MLuint32 objType,
                void*    objData1=nullptr,
                void*    objData2=nullptr);
 
 
  protected:
 
    //---------------------------------------------------------------------------------------------
    //---------------------------------------------------------------------------------------------
 
    std::vector<void*> _notifyCBUserDataList;
 
    std::vector<MLNotifyCB*> _notifyCBList;
 
    bool _enabled;
 
  };
 
 
  //---------------------------------------------------------------------------------------------
  //---------------------------------------------------------------------------------------------
  ML_UTILS_EXPORT extern Notify MLNotify;
 
ML_UTILS_END_NAMESPACE
 
//-----------------------------------------------------------------------------------
//   Stream output for std::ostream
//-----------------------------------------------------------------------------------
namespace std {
 
  ML_UTILS_EXPORT ostream& operator<<(ostream& s, const ML_UTILS_NAMESPACE::Notify &notify);
 
}
 
#endif // End of __mlNotify_H