assistantMsgQueue.h

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/*********************************************************************
** Copyright (c) 2008 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*******************************************************************************
** $RCSfile: assistantMsgQueue.h,v $ $Revision: 1.3 $ $State: Exp $
*******************************************************************************/

#ifndef assistantMsgQueue_H_
#define assistantMsgQueue_H_


#include <vlutil/vlList.h>

#include "assistantMsgCbMgr.h"
#include "assistantMsg.h"

class DT_DLL_ASSISTANT DtAssistantMsgQueue
{

public:

   DtAssistantMsgQueue();

   virtual ~DtAssistantMsgQueue();

   virtual void addMsgCallback(DtAssistantMsgKind msgKind, DtAssistantMsgCbMgr::DtCallbackFcn fcn,
      void *usr );

   virtual void removeMsgCallback(DtAssistantMsgKind msgKind, DtAssistantMsgCbMgr::DtCallbackFcn fcn,
      void *usr );

   virtual void addMsg( const DtAssistantMsg& msg, int compId );

   virtual void beginProcessMsg();

   virtual void finishProcessMsg();

   virtual const DtAssistantMsg* currMsg() const;

   virtual int currentCompId() const;

private:

   DtAssistantMsgQueue( const DtAssistantMsgQueue& );

   DtAssistantMsgQueue& operator=(const DtAssistantMsgQueue& );

protected:

   struct DtAssistantMsgQueueItem
   {
      DtAssistantMsg* msg;
      int compId;
   };

   DtList myMsgList;

   DtAssistantMsgQueueItem* myCurrMsgItem;

   DtAssistantMsgCbMgr myMsgCbMgr;
};

#endif