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0001 /**************************************************************************************** 0002 * Copyright (c) 2010 Bart Cerneels <bart.cerneels@kde.org> * 0003 * Copyright (c) 2011 Lucas Lira Gomes <x8lucas8x@gmail.com> * 0004 * * 0005 * This program is free software; you can redistribute it and/or modify it under * 0006 * the terms of the GNU General Public License as published by the Free Software * 0007 * Foundation; either version 2 of the License, or (at your option) any later * 0008 * version. * 0009 * * 0010 * This program is distributed in the hope that it will be useful, but WITHOUT ANY * 0011 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * 0012 * PARTICULAR PURPOSE. See the GNU General Public License for more details. * 0013 * * 0014 * You should have received a copy of the GNU General Public License along with * 0015 * this program. If not, see <http://www.gnu.org/licenses/>. * 0016 ****************************************************************************************/ 0017 0018 #ifndef SYNCEDPLAYLIST_H 0019 #define SYNCEDPLAYLIST_H 0020 0021 #include "core/playlists/Playlist.h" 0022 0023 /** A synchronized playlist that will try to get the attached slaves into the same state as the 0024 * master. The first playlist attached (through constructor) is the master. 0025 */ 0026 class SyncedPlaylist : public Playlists::Playlist, public Playlists::PlaylistObserver 0027 { 0028 public: 0029 explicit SyncedPlaylist( const Playlists::PlaylistPtr &playlist ); 0030 ~SyncedPlaylist() override {} 0031 0032 //Playlists::Playlist methods 0033 QUrl uidUrl() const override; 0034 QString name() const override; 0035 QString prettyName() const override; 0036 Playlists::PlaylistProvider *provider() const override; 0037 void setName( const QString &name ) override { Q_UNUSED( name ); } 0038 0039 Meta::TrackList tracks() override; 0040 int trackCount() const override; 0041 0042 void addTrack( const Meta::TrackPtr &track, int position = -1 ) override; 0043 void removeTrack( int position ) override; 0044 0045 //PlaylistObserver methods 0046 void metadataChanged( const Playlists::PlaylistPtr &playlist ) override; 0047 void tracksLoaded( Playlists::PlaylistPtr) override; 0048 void trackAdded( const Playlists::PlaylistPtr &playlist, const Meta::TrackPtr &track, 0049 int position ) override; 0050 void trackRemoved( const Playlists::PlaylistPtr &playlist, int position ) override; 0051 0052 //SyncedPlaylist methods 0053 /** returns true when there is no active playlist associated with it anymore. */ 0054 virtual bool isEmpty() const; 0055 virtual void addPlaylist( Playlists::PlaylistPtr playlist ); 0056 0057 virtual bool syncNeeded() const; 0058 virtual void doSync() const; 0059 0060 virtual void removePlaylistsFrom( Playlists::PlaylistProvider *provider ); 0061 0062 virtual Playlists::PlaylistList playlists() const { return m_playlists; } 0063 0064 virtual Playlists::PlaylistPtr master() const; 0065 virtual Playlists::PlaylistList slaves() const; 0066 0067 protected: 0068 SyncedPlaylist() {} 0069 0070 private: 0071 Playlists::PlaylistList m_playlists; 0072 }; 0073 0074 typedef AmarokSharedPointer<SyncedPlaylist> SyncedPlaylistPtr; 0075 typedef QList<SyncedPlaylistPtr> SyncedPlaylistList; 0076 0077 Q_DECLARE_METATYPE( SyncedPlaylistPtr ) 0078 Q_DECLARE_METATYPE( SyncedPlaylistList ) 0079 0080 #endif // SYNCEDPLAYLIST_H