src/mpdpp.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2009 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  *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.              *
  19  ***************************************************************************/
  20
  21 #ifndef _MPDPP_H
  22 #define _MPDPP_H
  23
  24 #include <string>
  25 #include "libmpdclient.h"
  26
  27 namespace MPD
  28 {
  29         enum State { psUnknown, psStop, psPlay, psPause };
  30
  31         struct StatusChanges
  32         {
  33                 bool Playlist;
  34                 bool SongID;
  35                 bool ElapsedTime;
  36                 bool State;
  37         };
  38
  39         class Connection
  40         {
  41                 typedef void (*StatusUpdater) (Connection *, StatusChanges, void *);
  42                 typedef void (*ErrorHandler) (Connection *, int, std::string, void *);
  43
  44                 public:
  45                         Connection();
  46                         ~Connection();
  47
  48                         bool Connect();
  49                         bool Connected() const;
  50                         void Disconnect();
  51
  52                         const std::string & GetHostname() { return itsHost; }
  53                         int GetPort() { return itsPort; }
  54
  55                         void SetHostname(const std::string &);
  56                         void SetPort(int port) { itsPort = port; }
  57                         void SetTimeout(int timeout) { itsTimeout = timeout; }
  58                         void SetPassword(const std::string &password) { itsPassword = password; }
  59                         void SendPassword() const;
  60
  61                         void SetStatusUpdater(StatusUpdater, void *);
  62                         void SetErrorHandler(ErrorHandler, void *);
  63                         void UpdateStatus();
  64
  65                         State GetState() const { return isConnected && itsCurrentStatus ? (State)itsCurrentStatus->state : psUnknown; }
  66                         int GetElapsedTime() const { return isConnected && itsCurrentStatus ? itsCurrentStatus->elapsedTime : -1; }
  67                         int GetCrossfade() const { return isConnected && itsCurrentStatus ? itsCurrentStatus->crossfade : -1; }
  68                         int GetPlaylistLength() const { return isConnected && itsCurrentStatus ? itsCurrentStatus->playlistLength : -1; }
  69
  70                         const std::string & GetErrorMessage() const { return itsErrorMessage; }
  71                         int GetErrorCode() const { return itsErrorCode; }
  72
  73                         mpd_Song * CurrentSong() const;
  74
  75                 private:
  76                         int CheckForErrors();
  77
  78                         StatusChanges itsChanges;
  79
  80                         mpd_Connection *itsConnection;
  81                         bool isConnected;
  82
  83                         std::string itsErrorMessage;
  84                         int itsErrorCode;
  85
  86                         std::string itsHost;
  87                         std::string itsPassword;
  88                         int itsPort;
  89                         int itsTimeout;
  90
  91                         mpd_Status *itsCurrentStatus;
  92                         mpd_Status *itsOldStatus;
  93
  94                         StatusUpdater itsUpdater;
  95                         void *itsStatusUpdaterUserdata;
  96                         ErrorHandler itsErrorHandler;
  97                         void *itsErrorHandlerUserdata;
  98         };
  99 }
 100
 101 #endif
 102