Files
ncmpcpp/src/mpdpp.h
2013-04-07 13:31:58 +02:00

285 lines
7.9 KiB
C++

/***************************************************************************
* Copyright (C) 2008-2013 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef NCMPCPP_MPDPP_H
#define NCMPCPP_MPDPP_H
#include <cassert>
#include <exception>
#include <set>
#include <vector>
#include <mpd/client.h>
#include "song.h"
namespace MPD {//
enum ItemType { itDirectory, itSong, itPlaylist };
enum PlayerState { psUnknown, psStop, psPlay, psPause };
enum ReplayGainMode { rgmOff, rgmTrack, rgmAlbum };
struct ClientError: public std::exception
{
ClientError(mpd_error code_, std::string msg, bool clearable_)
: m_code(code_), m_msg(msg), m_clearable(clearable_) { }
virtual const char *what() const noexcept { return m_msg.c_str(); }
mpd_error code() const { return m_code; }
bool clearable() const { return m_clearable; }
private:
mpd_error m_code;
std::string m_msg;
bool m_clearable;
};
struct ServerError: public std::exception
{
ServerError(mpd_server_error code_, std::string msg, bool clearable_)
: m_code(code_), m_msg(msg), m_clearable(clearable_) { }
virtual const char *what() const noexcept { return m_msg.c_str(); }
mpd_server_error code() const { return m_code; }
bool clearable() const { return m_clearable; }
private:
mpd_server_error m_code;
std::string m_msg;
bool m_clearable;
};
struct Statistics
{
friend class Connection;
bool empty() const;
unsigned artists() const;
unsigned albums() const;
unsigned songs() const;
unsigned long playTime() const;
unsigned long uptime() const;
unsigned long dbUpdateTime() const;
unsigned long dbPlayTime() const;
private:
Statistics(mpd_stats *stats) : m_stats(stats, mpd_stats_free) { }
std::shared_ptr<mpd_stats> m_stats;
};
struct Status
{
friend class Connection;
Status() { }
void clear();
bool empty() const;
int volume() const;
bool repeat() const;
bool random() const;
bool single() const;
bool consume() const;
unsigned playlistLength() const;
unsigned playlistVersion() const;
PlayerState playerState() const;
unsigned crossfade() const;
int currentSongPosition() const;
int currentSongID() const;
int nextSongPosition() const;
int nextSongID() const;
unsigned elapsedTime() const;
unsigned totalTime() const;
unsigned kbps() const;
unsigned updateID() const;
const char *error() const;
private:
Status(mpd_status *status) : m_status(status, mpd_status_free) { }
std::shared_ptr<mpd_status> m_status;
};
struct Item
{
std::shared_ptr<Song> song;
ItemType type;
std::string name;
};
struct Output
{
Output(const std::string &name_, bool enabled) : m_name(name_), m_enabled(enabled) { }
const std::string &name() const { return m_name; }
bool isEnabled() const { return m_enabled; }
private:
std::string m_name;
bool m_enabled;
};
typedef std::vector<Item> ItemList;
typedef std::vector<std::string> StringList;
typedef std::vector<Output> OutputList;
class Connection
{
typedef void (*ErrorHandler) (Connection *, int, const char *, void *);
typedef std::function<void(Item &&)> ItemConsumer;
typedef std::function<void(Output &&)> OutputConsumer;
typedef std::function<void(Song &&)> SongConsumer;
typedef std::function<void(std::string &&)> StringConsumer;
public:
Connection();
~Connection();
void Connect();
bool Connected() const;
void Disconnect();
const std::string &GetHostname() { return m_host; }
int GetPort() { return m_port; }
unsigned Version() const;
int GetFD() const { return m_fd; }
void SetHostname(const std::string &);
void SetPort(int port) { m_port = port; }
void SetTimeout(int timeout) { m_timeout = timeout; }
void SetPassword(const std::string &password) { m_password = password; }
void SendPassword();
Statistics getStatistics();
Status getStatus();
void UpdateDirectory(const std::string &);
void Play();
void Play(int);
void PlayID(int);
void Pause(bool);
void Toggle();
void Stop();
void Next();
void Prev();
void Move(unsigned int from, unsigned int to);
void Swap(unsigned, unsigned);
void Seek(unsigned);
void Shuffle();
void ClearMainPlaylist();
void GetPlaylistChanges(unsigned, SongConsumer f);
Song GetCurrentlyPlayingSong();
Song GetSong(const std::string &);
void GetPlaylistContent(const std::string &name, SongConsumer f);
void GetSupportedExtensions(std::set<std::string> &);
void SetRepeat(bool);
void SetRandom(bool);
void SetSingle(bool);
void SetConsume(bool);
void SetCrossfade(unsigned);
void SetVolume(unsigned int vol);
std::string GetReplayGainMode();
void SetReplayGainMode(ReplayGainMode);
void SetPriority(const MPD::Song &s, int prio);
int AddSong(const std::string &, int = -1); // returns id of added song
int AddSong(const Song &, int = -1); // returns id of added song
bool AddRandomTag(mpd_tag_type, size_t);
bool AddRandomSongs(size_t);
void Add(const std::string &path);
void Delete(unsigned int pos);
void PlaylistDelete(const std::string &playlist, unsigned int pos);
void StartCommandsList();
void CommitCommandsList();
void DeletePlaylist(const std::string &name);
void LoadPlaylist(const std::string &name);
void SavePlaylist(const std::string &);
void ClearPlaylist(const std::string &playlist);
void AddToPlaylist(const std::string &, const Song &);
void AddToPlaylist(const std::string &, const std::string &);
void PlaylistMove(const std::string &path, int from, int to);
void Rename(const std::string &from, const std::string &to);
void StartSearch(bool);
void StartFieldSearch(mpd_tag_type);
void AddSearch(mpd_tag_type item, const std::string &str) const;
void AddSearchAny(const std::string &str) const;
void AddSearchURI(const std::string &str) const;
void CommitSearchSongs(SongConsumer f);
void CommitSearchTags(StringConsumer f);
void GetPlaylists(StringConsumer f);
void GetList(mpd_tag_type type, StringConsumer f);
void GetDirectory(const std::string &directory, ItemConsumer f);
void GetDirectoryRecursive(const std::string &directory, SongConsumer f);
void GetSongs(const std::string &directory, SongConsumer f);
void GetDirectories(const std::string &directory, StringConsumer f);
void GetOutputs(OutputConsumer f);
void EnableOutput(int id);
void DisableOutput(int id);
void GetURLHandlers(StringConsumer f);
void GetTagTypes(StringConsumer f);
void idle();
int noidle();
private:
void checkConnection() const;
void prechecks();
void prechecksNoCommandsList();
void checkErrors() const;
mpd_connection *m_connection;
bool m_command_list_active;
int m_fd;
bool m_idle;
std::string m_host;
int m_port;
int m_timeout;
std::string m_password;
mpd_tag_type m_searched_field;
};
}
extern MPD::Connection Mpd;
extern MPD::Status MpdStatus;
#endif // NCMPCPP_MPDPP_H