flexoff.h

/*
  Copyright (c) 2005-2008 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 FLEXOFF_H__
#define FLEXOFF_H__

#include "clientbase.h"
#include "discohandler.h"
#include "flexoffhandler.h"
#include "iqhandler.h"
#include "stanzaextension.h"

namespace gloox
{

  class GLOOX_API FlexibleOffline : public DiscoHandler, public IqHandler
  {
    public:
      FlexibleOffline( ClientBase* parent );

      virtual ~FlexibleOffline();

      void checkSupport();

      void getMsgCount();

      void fetchHeaders();

      void fetchMessages( const StringList& msgs )
        { messageOperation( FORequestMsgs, msgs ); }

      void removeMessages( const StringList& msgs )
        { messageOperation( FORemoveMsgs, msgs ); }

      void registerFlexibleOfflineHandler( FlexibleOfflineHandler* foh );

      void removeFlexibleOfflineHandler();

      // reimplemented from DiscoHandler
      virtual void handleDiscoInfo( const JID& from, const Disco::Info& info, int context );

      // reimplemented from DiscoHandler
      virtual void handleDiscoItems( const JID& from, const Disco::Items& items, int context );

      // reimplemented from DiscoHandler
      virtual void handleDiscoError( const JID& from, const Error* error, int context );

      // reimplemented from IqHandler.
      virtual bool handleIq( const IQ& iq ) { (void)iq; return false; }

      // reimplemented from IqHandler.
      virtual void handleIqID( const IQ& iq, int context );

    private:
#ifdef FLEXOFF_TEST
    public:
#endif
      class Offline : public StanzaExtension
      {
        public:
          Offline( const Tag* tag = 0 );

          Offline( int context, const StringList& msgs );

          virtual ~Offline();

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

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

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

        private:
          int m_context;
          StringList m_msgs;
      };

      void messageOperation( int context, const StringList& msgs );

      enum FOContext
      {
        FOCheckSupport,
        FORequestNum,
        FORequestHeaders,
        FORequestMsgs,
        FORemoveMsgs
      };

      ClientBase* m_parent;
      FlexibleOfflineHandler* m_flexibleOfflineHandler;
  };

}

#endif // FLEXOFF_H__

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