src/mpdpp.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Andrzej Rybczak   *
   3  *   electricityispower@gmail.com   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #ifndef _MPDPP_H
  22 #define _MPDPP_H
  23
  24 #include <string>
  25 #include "libmpdclient.h"
  26
  27 namespace MPD {
  28         enum State { psUnknown, psStop, psPlay, psPause };
  29
  30         struct StatusChanges
  31         {
  32                 bool SongID;
  33                 bool ElapsedTime;
  34                 bool State;
  35         };
  36
  37         class Connection
  38         {
  39                 typedef void (*StatusUpdater) (Connection *, StatusChanges, void *);
  40                 typedef void (*ErrorHandler) (Connection *, int, std::string, void *);
  41
  42                 public:
  43                         Connection();
  44                         ~Connection();
  45
  46                         bool Connect();
  47                         bool Connected() const;
  48                         void Disconnect();
  49
  50                         const std::string & GetHostname() { return itsHost; }
  51                         int GetPort() { return itsPort; }
  52
  53                         void SetHostname(const std::string &);
  54                         void SetPort(int port) { itsPort = port; }
  55                         void SetTimeout(int timeout) { itsTimeout = timeout; }
  56                         void SetPassword(const std::string &password) { itsPassword = password; }
  57                         void SendPassword() const;
  58
  59                         void SetStatusUpdater(StatusUpdater, void *);
  60                         void SetErrorHandler(ErrorHandler, void *);
  61                         void UpdateStatus();
  62
  63                         State GetState() const { return isConnected && itsCurrentStatus ? (State)itsCurrentStatus->state : psUnknown; }
  64                         int GetElapsedTime() const { return isConnected && itsCurrentStatus ? itsCurrentStatus->elapsedTime : -1; }
  65
  66                         const std::string & GetErrorMessage() const { return itsErrorMessage; }
  67                         int GetErrorCode() const { return itsErrorCode; }
  68
  69                         mpd_Song * CurrentSong() const;
  70
  71                 private:
  72                         int CheckForErrors();
  73
  74                         StatusChanges itsChanges;
  75
  76                         mpd_Connection *itsConnection;
  77                         bool isConnected;
  78
  79                         std::string itsErrorMessage;
  80                         int itsErrorCode;
  81
  82                         std::string itsHost;
  83                         std::string itsPassword;
  84                         int itsPort;
  85                         int itsTimeout;
  86
  87                         mpd_Status *itsCurrentStatus;
  88                         mpd_Status *itsOldStatus;
  89
  90                         StatusUpdater itsUpdater;
  91                         void *itsStatusUpdaterUserdata;
  92                         ErrorHandler itsErrorHandler;
  93                         void *itsErrorHandlerUserdata;
  94         };
  95 }
  96
  97 #endif
  98