mi32/micallbacklist.h

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#ifndef  INC_MI32_MICALLBACKLIST_H
#define  INC_MI32_MICALLBACKLIST_H

#ifndef  INC_MI32_STDDEFNS_H
   #include <mi32/stddefns.h>
#endif

#ifdef MISYSTEMDLL
   #define LIBEXPORT MI_DLLEXPORT
   #define CLASSLIBEXPORT MI_DLLCLASSEXPORT
#else
   #define LIBEXPORT MI_DLLIMPORT
   #define CLASSLIBEXPORT MI_DLLCLASSIMPORT
#endif


class CLASSLIBEXPORT MICALLBACKLIST {
   public:

      enum PRIORITY {
         PRIORITY_High = -1,
         PRIORITY_Normal = 0,
         PRIORITY_Low = 1
         };

      struct ANYCALLBACKSTRUCT {
         UINT32 reason;

         ANYCALLBACKSTRUCT () {}          

         ANYCALLBACKSTRUCT (              
            UINT32 ireason
            ):
            reason(ireason)
            { }
         };

      typedef void (*CALLBACKFUNC)(ANYCALLBACKSTRUCT*,void*);

      // CONSTRUCTION / DESTRUCTION

      MICALLBACKLIST (
         );

      ~MICALLBACKLIST (
         );
         
      ERRVALUE Add (
         CALLBACKFUNC cbfunc,             
         void *cbdata,                       
         UINT32 reasonmask,                  
         PRIORITY priority = PRIORITY_Normal                   
         );

      void CallCallbacks (
         ANYCALLBACKSTRUCT *cbstruct,     
         UINT32 reason                       
         );

      bool HasCallbacks (
         UINT32 reason                       
         ) const;

      void RemoveAll (
         );

      void Remove (
         CALLBACKFUNC cbfunc,             
         void *cbdata,                       
         UINT32 reasonmask                   
         );

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      class PRIV;
      PRIV* m_priv;
      #endif 
   };

#undef LIBEXPORT
#undef CLASSLIBEXPORT

#endif 

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