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 #ifdef HAVE_CONFIG_H
  25 # include <config.h>
  26 #endif
  27
  28 #include <string>
  29 #include "libmpdclient.h"
  30
  31 namespace MPD
  32 {
  33         enum State { psUnknown, psStop, psPlay, psPause };
  34
  35         struct StatusChanges
  36         {
  37                 bool SongID;
  38                 bool ElapsedTime;
  39                 bool State;
  40         };
  41
  42         class Connection
  43         {
  44                 typedef void (*StatusUpdater) (Connection *, StatusChanges, void *);
  45                 typedef void (*ErrorHandler) (Connection *, int, std::string, void *);
  46
  47                 public:
  48                         Connection();
  49                         ~Connection();
  50
  51                         bool Connect();
  52                         bool Connected() const;
  53                         void Disconnect();
  54
  55                         const std::string & GetHostname() { return itsHost; }
  56                         int GetPort() { return itsPort; }
  57
  58                         void SetHostname(const std::string &);
  59                         void SetPort(int port) { itsPort = port; }
  60                         void SetTimeout(int timeout) { itsTimeout = timeout; }
  61                         void SetPassword(const std::string &password) { itsPassword = password; }
  62                         void SendPassword() const;
  63
  64                         void SetStatusUpdater(StatusUpdater, void *);
  65                         void SetErrorHandler(ErrorHandler, void *);
  66                         void UpdateStatus();
  67
  68                         State GetState() const { return isConnected && itsCurrentStatus ? (State)itsCurrentStatus->state : psUnknown; }
  69                         int GetElapsedTime() const { return isConnected && itsCurrentStatus ? itsCurrentStatus->elapsedTime : -1; }
  70
  71                         const std::string & GetErrorMessage() const { return itsErrorMessage; }
  72                         int GetErrorCode() const { return itsErrorCode; }
  73
  74                         mpd_Song * CurrentSong() const;
  75
  76                 private:
  77                         int CheckForErrors();
  78
  79                         StatusChanges itsChanges;
  80
  81                         mpd_Connection *itsConnection;
  82                         bool isConnected;
  83
  84                         std::string itsErrorMessage;
  85                         int itsErrorCode;
  86
  87                         std::string itsHost;
  88                         std::string itsPassword;
  89                         int itsPort;
  90                         int itsTimeout;
  91
  92                         mpd_Status *itsCurrentStatus;
  93                         mpd_Status *itsOldStatus;
  94
  95                         StatusUpdater itsUpdater;
  96                         void *itsStatusUpdaterUserdata;
  97                         ErrorHandler itsErrorHandler;
  98                         void *itsErrorHandlerUserdata;
  99         };
 100 }
 101
 102 #endif
 103