Initial commit.
This commit is contained in:
Jonas Kvinge
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src/playlist/playlistmanager.h
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243
src/playlist/playlistmanager.h
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/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry 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 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry 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
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef PLAYLISTMANAGER_H
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#define PLAYLISTMANAGER_H
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#include "config.h"
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#include <QColor>
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#include <QItemSelection>
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#include <QMap>
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#include <QObject>
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#include <QSettings>
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#include "core/song.h"
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#include "playlist.h"
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class Application;
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class CollectionBackend;
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class PlaylistBackend;
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class PlaylistContainer;
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class PlaylistParser;
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class PlaylistSequence;
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class TaskManager;
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class QModelIndex;
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class QUrl;
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class PlaylistManagerInterface : public QObject {
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Q_OBJECT
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public:
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PlaylistManagerInterface(Application *app, QObject *parent) : QObject(parent) {}
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virtual int current_id() const = 0;
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virtual int active_id() const = 0;
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virtual Playlist *playlist(int id) const = 0;
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virtual Playlist *current() const = 0;
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virtual Playlist *active() const = 0;
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// Returns the collection of playlists managed by this PlaylistManager.
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virtual QList<Playlist*> GetAllPlaylists() const = 0;
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// Grays out and reloads all deleted songs in all playlists.
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virtual void InvalidateDeletedSongs() = 0;
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// Removes all deleted songs from all playlists.
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virtual void RemoveDeletedSongs() = 0;
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virtual QItemSelection selection(int id) const = 0;
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virtual QItemSelection current_selection() const = 0;
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virtual QItemSelection active_selection() const = 0;
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virtual QString GetPlaylistName(int index) const = 0;
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virtual CollectionBackend *collection_backend() const = 0;
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virtual PlaylistBackend *playlist_backend() const = 0;
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virtual PlaylistSequence *sequence() const = 0;
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virtual PlaylistParser *parser() const = 0;
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virtual PlaylistContainer *playlist_container() const = 0;
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public slots:
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virtual void New(const QString& name, const SongList& songs = SongList(), const QString& special_type = QString()) = 0;
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virtual void Load(const QString& filename) = 0;
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virtual void Save(int id, const QString& filename, Playlist::Path path_type) = 0;
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virtual void Rename(int id, const QString& new_name) = 0;
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virtual void Delete(int id) = 0;
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virtual bool Close(int id) = 0;
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virtual void Open(int id) = 0;
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virtual void ChangePlaylistOrder(const QList<int>& ids) = 0;
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virtual void SongChangeRequestProcessed(const QUrl& url, bool valid) = 0;
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virtual void SetCurrentPlaylist(int id) = 0;
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virtual void SetActivePlaylist(int id) = 0;
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virtual void SetActiveToCurrent() = 0;
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virtual void SelectionChanged(const QItemSelection& selection) = 0;
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// Convenience slots that defer to either current() or active()
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virtual void ClearCurrent() = 0;
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virtual void ShuffleCurrent() = 0;
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virtual void RemoveDuplicatesCurrent() = 0;
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virtual void RemoveUnavailableCurrent() = 0;
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virtual void SetActivePlaying() = 0;
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virtual void SetActivePaused() = 0;
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virtual void SetActiveStopped() = 0;
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signals:
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void PlaylistManagerInitialized();
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void PlaylistAdded(int id, const QString& name, bool favorite);
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void PlaylistDeleted(int id);
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void PlaylistClosed(int id);
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void PlaylistRenamed(int id, const QString& new_name);
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void PlaylistFavorited(int id, bool favorite);
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void CurrentChanged(Playlist *new_playlist);
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void ActiveChanged(Playlist *new_playlist);
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void Error(const QString& message);
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void SummaryTextChanged(const QString& summary);
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// Forwarded from individual playlists
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void CurrentSongChanged(const Song& song);
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// Signals that one of manager's playlists has changed (new items, new
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// ordering etc.) - the argument shows which.
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void PlaylistChanged(Playlist *playlist);
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void EditingFinished(const QModelIndex& index);
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void PlayRequested(const QModelIndex& index);
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};
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class PlaylistManager : public PlaylistManagerInterface {
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Q_OBJECT
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public:
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PlaylistManager(Application *app, QObject *parent = nullptr);
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~PlaylistManager();
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int current_id() const { return current_; }
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int active_id() const { return active_; }
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Playlist *playlist(int id) const { return playlists_[id].p; }
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Playlist *current() const { return playlist(current_id()); }
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Playlist *active() const { return playlist(active_id()); }
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// Returns the collection of playlists managed by this PlaylistManager.
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QList<Playlist*> GetAllPlaylists() const;
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// Grays out and reloads all deleted songs in all playlists.
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void InvalidateDeletedSongs();
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// Removes all deleted songs from all playlists.
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void RemoveDeletedSongs();
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// Returns true if the playlist is open
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bool IsPlaylistOpen(int id);
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// Returns a pretty automatic name for playlist created from the given list of songs.
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static QString GetNameForNewPlaylist(const SongList& songs);
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QItemSelection selection(int id) const;
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QItemSelection current_selection() const { return selection(current_id()); }
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QItemSelection active_selection() const { return selection(active_id()); }
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QString GetPlaylistName(int index) const { return playlists_[index].name; }
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bool IsPlaylistFavorite(int index) const { return playlists_[index].p->is_favorite(); }
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void Init(CollectionBackend *collection_backend, PlaylistBackend *playlist_backend, PlaylistSequence *sequence, PlaylistContainer *playlist_container);
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CollectionBackend *collection_backend() const { return collection_backend_; }
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PlaylistBackend *playlist_backend() const { return playlist_backend_; }
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PlaylistSequence *sequence() const { return sequence_; }
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PlaylistParser *parser() const { return parser_; }
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PlaylistContainer *playlist_container() const { return playlist_container_; }
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public slots:
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void New(const QString& name, const SongList& songs = SongList(), const QString& special_type = QString());
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void Load(const QString& filename);
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void Save(int id, const QString& filename, Playlist::Path path_type);
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// Display a file dialog to let user choose a file before saving the file
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void SaveWithUI(int id, const QString& playlist_name);
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void Rename(int id, const QString& new_name);
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void Favorite(int id, bool favorite);
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void Delete(int id);
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bool Close(int id);
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void Open(int id);
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void ChangePlaylistOrder(const QList<int>& ids);
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void SetCurrentPlaylist(int id);
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void SetActivePlaylist(int id);
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void SetActiveToCurrent();
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void SelectionChanged(const QItemSelection& selection);
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// Makes a playlist current if it's open already, or opens it and makes it current if it is hidden.
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void SetCurrentOrOpen(int id);
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// Convenience slots that defer to either current() or active()
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void ClearCurrent();
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void ShuffleCurrent();
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void RemoveDuplicatesCurrent();
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void RemoveUnavailableCurrent();
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//void SetActiveStreamMetadata(const QUrl& url, const Song& song);
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void SongChangeRequestProcessed(const QUrl& url, bool valid);
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void InsertUrls(int id, const QList<QUrl>& urls, int pos = -1, bool play_now = false, bool enqueue = false);
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void InsertSongs(int id, const SongList& songs, int pos = -1, bool play_now = false, bool enqueue = false);
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// Removes items with given indices from the playlist. This operation is not undoable.
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void RemoveItemsWithoutUndo(int id, const QList<int>& indices);
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// Remove the current playing song
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void RemoveCurrentSong();
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private slots:
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void SetActivePlaying();
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void SetActivePaused();
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void SetActiveStopped();
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void OneOfPlaylistsChanged();
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void UpdateSummaryText();
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void SongsDiscovered(const SongList& songs);
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void ItemsLoadedForSavePlaylist(QFuture<SongList> future, const QString& filename, Playlist::Path path_type);
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private:
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Playlist *AddPlaylist(int id, const QString& name, const QString& special_type, const QString& ui_path, bool favorite);
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private:
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struct Data {
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Data(Playlist *_p = nullptr, const QString& _name = QString()) : p(_p), name(_name) {}
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Playlist *p;
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QString name;
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QItemSelection selection;
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};
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Application *app_;
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PlaylistBackend *playlist_backend_;
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CollectionBackend *collection_backend_;
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PlaylistSequence *sequence_;
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PlaylistParser *parser_;
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PlaylistContainer *playlist_container_;
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// key = id
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QMap<int, Data> playlists_;
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int current_;
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int active_;
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};
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#endif // PLAYLISTMANAGER_H
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