pubsubevent.h

/*
  Copyright (c) 2004-2008 by Jakob Schroeter <js@camaya.net>
  This file is part of the gloox library. http://camaya.net/gloox

  This software is distributed under a license. The full license
  agreement can be found in the file LICENSE in this distribution.
  This software may not be copied, modified, sold or distributed
  other than expressed in the named license agreement.

  This software is distributed without any warranty.
*/

#ifndef PUBSUBEVENT_H__
#define PUBSUBEVENT_H__

#include "stanzaextension.h"
#include "pubsub.h"
#include "gloox.h"

namespace gloox
{

  class Tag;

  namespace PubSub
  {

    class GLOOX_API Event : public StanzaExtension
    {
      public:

        struct ItemOperation
        {
          ItemOperation( bool remove, const std::string& itemid, const Tag* pld = 0)
            : retract( remove ), item( itemid ), payload( pld ) {}

          bool retract;
          std::string item;
          const Tag* payload;
        };

        typedef std::list<ItemOperation*> ItemOperationList;

        Event( const Tag* event );

        virtual ~Event();

        PubSub::EventType type() const { return m_type; }

        const StringList& subscriptions() const
          { return m_subscriptionIDs ? *m_subscriptionIDs : m_emptyStringList; }

        const ItemOperationList& items() const
          { return m_itemOperations ? *m_itemOperations : m_emptyOperationList; }

        const std::string& node() { return m_node; }

        // reimplemented from StanzaExtension
        const std::string& filterString() const;

        // reimplemented from StanzaExtension
        StanzaExtension* newInstance( const Tag* tag ) const
        {
          return new Event( tag );
        }

        // reimplemented from StanzaExtension
        Tag* tag() const;

      private:

        PubSub::EventType m_type;
        std::string m_node;
        StringList* m_subscriptionIDs;
        Tag* m_config;
        ItemOperationList* m_itemOperations;
        std::string m_collection;

        const ItemOperationList m_emptyOperationList;
        const StringList m_emptyStringList;

    };

  }

}

#endif // PUBSUBEVENT_H__

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