MeVis/Foundation/Sources/MLUtilities/mlNotify.h

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// **InsertLicense** code
//-------------------------------------------------------------------------

//-------------------------------------------------------------------------
#ifndef __mlNotify_H
#define __mlNotify_H

#ifndef __mlUtilsSystem_H
#include "mlUtilsSystem.h"
#endif

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=NULL,
                void*    objData2=NULL);


  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