privacymanager.h

/*
  Copyright (c) 2005-2012 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 PRIVACYMANAGER_H__
#define PRIVACYMANAGER_H__

#include "iqhandler.h"
#include "privacylisthandler.h"
#include "stanzaextension.h"

#include <string>

namespace gloox
{

  class ClientBase;

  class GLOOX_API PrivacyManager : public IqHandler
  {
    public:
      PrivacyManager( ClientBase* parent );

      virtual ~PrivacyManager();

      std::string store( const std::string& name, const PrivacyListHandler::PrivacyList& list );

      std::string requestListNames()
        { return operation( PLRequestNames, EmptyString ); }

      std::string requestList( const std::string& name )
        { return operation( PLRequestList, name ); }

      std::string removeList( const std::string& name )
        { return operation( PLRemove, name ); }

      std::string setDefault( const std::string& name )
        { return operation( PLDefault, name ); }

      std::string unsetDefault()
        { return operation( PLUnsetDefault, EmptyString ); }

      std::string setActive( const std::string& name )
        { return operation( PLActivate, name ); }

      std::string unsetActive()
        { return operation( PLUnsetActivate, EmptyString ); }

      void registerPrivacyListHandler( PrivacyListHandler* plh )
        { m_privacyListHandler = plh; }

      void removePrivacyListHandler()
        { m_privacyListHandler = 0; }

      // reimplemented from IqHandler.
      virtual bool handleIq( const IQ& iq );

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

    private:
      enum IdType
      {
        PLRequestNames,
        PLRequestList,
        PLActivate,
        PLDefault,
        PLUnsetActivate,
        PLUnsetDefault,
        PLRemove,
        PLStore
      };

      class Query : public StanzaExtension
      {
        public:
          Query( IdType context, const std::string& name,
                 const PrivacyListHandler::PrivacyList& list = PrivacyListHandler::PrivacyList() );

          Query( const Tag* tag = 0 );

          virtual ~Query();

          const std::string& active() const { return m_active; }

          const std::string& def() const { return m_default; }

          const PrivacyListHandler::PrivacyList& items() const
            { return m_items; }

          const StringList& names() const { return m_names; }

          const std::string& name() const
          {
            if( m_names.empty())
              return EmptyString;
            else
              return (*m_names.begin());
          }

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

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

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

          // reimplemented from StanzaExtension
          virtual StanzaExtension* clone() const
          {
            return new Query( *this );
          }

        private:
          IdType m_context;
          StringList m_names;
          std::string m_default;
          std::string m_active;
          PrivacyListHandler::PrivacyList m_items;
      };

      std::string operation( IdType context, const std::string& name );

      ClientBase* m_parent;
      PrivacyListHandler* m_privacyListHandler;
  };

}

#endif // PRIVACYMANAGER_H__