connectionObject.h

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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//

#ifndef BALL_VIEW_KERNEL_CONNECTIONOBJECT_H
#define BALL_VIEW_KERNEL_CONNECTIONOBJECT_H

#ifndef BALL_COMMON_MACROS_H
# include <BALL/COMMON/macros.h>
#endif

namespace BALL
{
  namespace VIEW
  {
    class Message;
  
    class BALL_VIEW_EXPORT ConnectionObject
    {
      public:
      

      ConnectionObject();
        


      virtual ~ConnectionObject();

      virtual void clear();

      virtual void destroy();


      
      void registerConnectionObject(ConnectionObject &object);

      void unregisterConnectionObject(ConnectionObject &object);

      bool isConnectionObjectRegistered(const ConnectionObject &object);

      ConnectionObject* getParent() const;

      ConnectionObject* getRoot();

      virtual void onNotify(Message *message);



      virtual bool isValid() const;

      virtual void dump(std::ostream& s = std::cout, Size depth = 0) const;

      
  
      protected:
      
      void notify_(Message *message);

      void notify_(Message &message);


      protected:

      void onNotify_(Message* message);

      private:

      void setParent_(ConnectionObject &object);

      void clearParent_();

  
      bool processing_message_queue_;
      std::list<Message *> message_queue_;

      ConnectionObject *parent_;
      std::list<ConnectionObject *> children_connection_objects_;
    };

#   ifndef BALL_NO_INLINE_FUNCTIONS
#     include <BALL/VIEW/KERNEL/connectionObject.iC>
#   endif
      
} } // namespace
#endif // BALL_VIEW_KERNEL_CONNECTIONOBJECT_H

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