dataprogresswatcher.h

00001 /***************************************************************************
00002 *   Copyright (C) 2001 by Rick L. Vinyard, Jr.                            *
00003 *   rvinyard@cs.nmsu.edu                                                  *
00004 *                                                                         *
00005 *   This program is free software; you can redistribute it and/or modify  *
00006 *   it under the terms of the GNU Lesser General Public License as        *
00007 *   published by the Free Software Foundation version 2.1.                *
00008 *                                                                         *
00009 *   This program is distributed in the hope that it will be useful,       *
00010 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00011 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00012 *   GNU General Public License for more details.                          *
00013 *                                                                         *
00014 *   You should have received a copy of the GNU Lesser General Public      *
00015 *   License along with this library; if not, write to the                 *
00016 *   Free Software Foundation, Inc.,                                       *
00017 *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
00018 ***************************************************************************/
00019 #ifndef CONEXUSGTKDATAPROGRESSWATCHER_H
00020 #define CONEXUSGTKDATAPROGRESSWATCHER_H
00021 
00022 #include <set>
00023 #include <map>
00024 
00025 #include <conexus/endpoint.h>
00026 
00027 namespace ConexusGtk {
00028 
00032 class DataProgressWatcher{
00033 public:
00034     DataProgressWatcher();
00035 
00036     ~DataProgressWatcher();
00037 
00038     void add_endpoint( Conexus::Endpoint& endpoint, Conexus::ReadWrite readwrite=Conexus::READWRITE );
00039     
00040     void remove_endpoint( Conexus::Endpoint& endpoint );
00041     
00042   protected:
00043     unsigned m_data_count;
00044 
00045     typedef std::set<Conexus::Endpoint*> Endpoints;
00046     typedef std::map<Conexus::Endpoint*, sigc::connection> ConnectionMap;
00047     
00048     Endpoints m_endpoints;
00049     
00050     ConnectionMap m_read_connections;
00051     ConnectionMap m_write_connections;
00052     
00053     virtual void on_read_data( size_t n ) = 0;
00054     
00055     virtual void on_write_data( size_t n ) = 0;
00056     
00057   private:
00058     virtual void on_read_data_proxy( size_t n );
00059     
00060     virtual void on_write_data_proxy( size_t n );    
00061 
00062 
00063 };
00064 
00065 }
00066 
00067 #endif

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