summaryrefslogtreecommitdiff
path: root/src/Partition.hxx
blob: 43a77f32af39cafd41d2bec00455060779eebbc9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
/*
 * Copyright 2003-2016 The Music Player Daemon Project
 * http://www.musicpd.org
 *
 * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef MPD_PARTITION_HXX
#define MPD_PARTITION_HXX

#include "queue/Playlist.hxx"
#include "output/MultipleOutputs.hxx"
#include "mixer/Listener.hxx"
#include "player/Control.hxx"
#include "player/Listener.hxx"
#include "Chrono.hxx"
#include "Compiler.h"

struct Instance;
class MultipleOutputs;
class SongLoader;

/**
 * A partition of the Music Player Daemon.  It is a separate unit with
 * a playlist, a player, outputs etc.
 */
struct Partition final : private PlayerListener, private MixerListener {
	Instance &instance;

	struct playlist playlist;

	MultipleOutputs outputs;

	PlayerControl pc;

	Partition(Instance &_instance,
		  unsigned max_length,
		  unsigned buffer_chunks,
		  unsigned buffered_before_play)
		:instance(_instance), playlist(max_length),
		 outputs(*this),
		 pc(*this, outputs, buffer_chunks, buffered_before_play) {}

	void ClearQueue() {
		playlist.Clear(pc);
	}

	unsigned AppendURI(const SongLoader &loader,
			   const char *uri_utf8,
			   Error &error) {
		return playlist.AppendURI(pc, loader, uri_utf8, error);
	}

	void DeletePosition(unsigned position) {
		playlist.DeletePosition(pc, position);
	}

	void DeleteId(unsigned id) {
		playlist.DeleteId(pc, id);
	}

	/**
	 * Deletes a range of songs from the playlist.
	 *
	 * @param start the position of the first song to delete
	 * @param end the position after the last song to delete
	 */
	void DeleteRange(unsigned start, unsigned end) {
		playlist.DeleteRange(pc, start, end);
	}

#ifdef ENABLE_DATABASE

	void DeleteSong(const char *uri) {
		playlist.DeleteSong(pc, uri);
	}

#endif

	void Shuffle(unsigned start, unsigned end) {
		playlist.Shuffle(pc, start, end);
	}

	void MoveRange(unsigned start, unsigned end, int to) {
		playlist.MoveRange(pc, start, end, to);
	}

	void MoveId(unsigned id, int to) {
		playlist.MoveId(pc, id, to);
	}

	void SwapPositions(unsigned song1, unsigned song2) {
		playlist.SwapPositions(pc, song1, song2);
	}

	void SwapIds(unsigned id1, unsigned id2) {
		playlist.SwapIds(pc, id1, id2);
	}

	void SetPriorityRange(unsigned start_position, unsigned end_position,
			      uint8_t priority) {
		playlist.SetPriorityRange(pc, start_position, end_position,
					  priority);
	}

	void SetPriorityId(unsigned song_id, uint8_t priority) {
		playlist.SetPriorityId(pc, song_id, priority);
	}

	void Stop() {
		playlist.Stop(pc);
	}

	void PlayPosition(int position) {
		playlist.PlayPosition(pc, position);
	}

	void PlayId(int id) {
		playlist.PlayId(pc, id);
	}

	void PlayNext() {
		playlist.PlayNext(pc);
	}

	void PlayPrevious() {
		playlist.PlayPrevious(pc);
	}

	bool SeekSongPosition(unsigned song_position,
			      SongTime seek_time, Error &error) {
		return playlist.SeekSongPosition(pc, song_position, seek_time,
						 error);
	}

	bool SeekSongId(unsigned song_id, SongTime seek_time, Error &error) {
		return playlist.SeekSongId(pc, song_id, seek_time, error);
	}

	bool SeekCurrent(SignedSongTime seek_time, bool relative,
			 Error &error) {
		return playlist.SeekCurrent(pc, seek_time, relative, error);
	}

	void SetRepeat(bool new_value) {
		playlist.SetRepeat(pc, new_value);
	}

	bool GetRandom() const {
		return playlist.GetRandom();
	}

	void SetRandom(bool new_value) {
		playlist.SetRandom(pc, new_value);
	}

	void SetSingle(bool new_value) {
		playlist.SetSingle(pc, new_value);
	}

	void SetConsume(bool new_value) {
		playlist.SetConsume(new_value);
	}

#ifdef ENABLE_DATABASE
	/**
	 * Returns the global #Database instance.  May return nullptr
	 * if this MPD configuration has no database (no
	 * music_directory was configured).
	 */
	const Database *GetDatabase(Error &error) const;

	/**
	 * The database has been modified.  Propagate the change to
	 * all subsystems.
	 */
	void DatabaseModified(const Database &db);
#endif

	/**
	 * A tag in the play queue has been modified by the player
	 * thread.  Propagate the change to all subsystems.
	 */
	void TagModified();

	/**
	 * Synchronize the player with the play queue.
	 */
	void SyncWithPlayer();

private:
	/* virtual methods from class PlayerListener */
	virtual void OnPlayerSync() override;
	virtual void OnPlayerTagModified() override;

	/* virtual methods from class MixerListener */
	virtual void OnMixerVolumeChanged(Mixer &mixer, int volume) override;
};

#endif