120 lines
2.7 KiB
C++
120 lines
2.7 KiB
C++
/*
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* Copyright (C) 2003-2015 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_INSTANCE_HXX
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#define MPD_INSTANCE_HXX
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#include "check.h"
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#include "Compiler.h"
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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#include "neighbor/Listener.hxx"
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class NeighborGlue;
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#endif
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#ifdef ENABLE_DATABASE
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#include "db/DatabaseListener.hxx"
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class Database;
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class Storage;
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class UpdateService;
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#endif
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class EventLoop;
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class Error;
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class ClientList;
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struct Partition;
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struct Instance final
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#if defined(ENABLE_DATABASE) || defined(ENABLE_NEIGHBOR_PLUGINS)
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:
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#endif
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#ifdef ENABLE_DATABASE
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public DatabaseListener
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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,
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#endif
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#endif
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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public NeighborListener
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#endif
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{
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EventLoop *event_loop;
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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NeighborGlue *neighbors;
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#endif
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#ifdef ENABLE_DATABASE
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Database *database;
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/**
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* This is really a #CompositeStorage. To avoid heavy include
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* dependencies, we declare it as just #Storage.
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*/
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Storage *storage;
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UpdateService *update;
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#endif
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ClientList *client_list;
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Partition *partition;
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Instance() {
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#ifdef ENABLE_DATABASE
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storage = nullptr;
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update = nullptr;
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#endif
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}
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#ifdef ENABLE_DATABASE
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/**
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* Returns the global #Database instance. May return nullptr
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* if this MPD configuration has no database (no
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* music_directory was configured).
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*/
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Database *GetDatabase(Error &error);
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#endif
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/**
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* A tag in the play queue has been modified by the player
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* thread. Propagate the change to all subsystems.
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*/
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void TagModified();
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/**
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* Synchronize the player with the play queue.
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*/
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void SyncWithPlayer();
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private:
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#ifdef ENABLE_DATABASE
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virtual void OnDatabaseModified() override;
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virtual void OnDatabaseSongRemoved(const LightSong &song) override;
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#endif
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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/* virtual methods from class NeighborListener */
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virtual void FoundNeighbor(const NeighborInfo &info) override;
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virtual void LostNeighbor(const NeighborInfo &info) override;
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#endif
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};
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#endif
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