playlistmanager.h

/***************************************************************************
 *   Copyright (C) 2009-2025 by Ilya Kotov                                 *
 *   forkotov02@ya.ru                                                      *
 *                                                                         *
 *   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 PLAYLISTMANAGER_H
#define PLAYLISTMANAGER_H
 
#include <QObject>
#include <QMap>
#include <qmmp/qmmp.h>
#include "playlistheadermodel.h"
#include "playlistmodel.h"
#include "qmmpui_export.h"
 
class QTimer;
class QmmpUiSettings;

class QMMPUI_EXPORT PlayListManager : public QObject
{
Q_OBJECT
public:
    explicit PlayListManager(QObject *parent);
    ~PlayListManager();
    static PlayListManager* instance();
    QList<PlayListModel *> playLists() const;
    QStringList playListNames() const;
    PlayListModel *selectedPlayList() const;
    PlayListModel *currentPlayList() const;
    int selectedPlayListIndex() const;
    int currentPlayListIndex() const;
    int count() const;
    int indexOf(PlayListModel *model) const;
    PlayListModel *playListAt(int i) const;
    PlayListHeaderModel *headerModel();
 
signals:
    void currentPlayListChanged(PlayListModel *current, PlayListModel *previous);
    void selectedPlayListChanged(PlayListModel *selected, PlayListModel *previous);
    void playListAdded(int index);
    void playListRemoved(int index);
    void playListMoved(int i, int j);
    void playListsChanged();
    void currentTrackRemoved();
 
public slots:
    void selectPlayList(PlayListModel *model);
    void selectPlayListIndex(int index);
    void selectPlayListName(const QString &name);
    void selectNextPlayList();
    void selectPreviousPlayList();
    void activatePlayList(PlayListModel *model);
    void activatePlayListIndex(int index);
    void activateSelectedPlayList();
    PlayListModel *createPlayList(const QString &name = QString());
    void removePlayList(PlayListModel *model);
    void removePlayListIndex(int index);
    void move(int i, int j);
    void clear();
    void clearSelection();
    void removeSelected();
    void removeUnselected();
    void removeTrack(int i);
    void removeTrack(PlayListTrack *item);
    void invertSelection();
    void selectAll();
    void showDetails();
    void addTracks(const QList<PlayListTrack *> &tracks);
    void addPath(const QString &path);
    void addPaths(const QStringList &paths);
    void randomizeList();
    void reverseList();
    void sortSelection(PlayListModel::SortMode mode);
    void sort(PlayListModel::SortMode mode);
    void addToQueue();
    void removeInvalidTracks();
    void removeDuplicates();
    void refresh();
    void clearQueue();
    void stopAfterSelected();
    void rebuildGroups();
 
private slots:
    void writePlayLists();
    void onListChanged(int flags);
    void onCurrentTrackRemoved();
 
private:
    void readPlayLists();
 
    static PlayListManager* m_instance;
    static const QMap<QString, Qmmp::MetaData> m_metaKeys;
    static const QMap<QString, Qmmp::TrackProperty> m_propKeys;
    QList<PlayListModel *> m_models;
    PlayListModel *m_current = nullptr;
    PlayListModel *m_selected = nullptr;
    QTimer *m_timer;
    PlayListHeaderModel *m_header;
    QmmpUiSettings *m_ui_settings;
};
 
#endif // PLAYLISTMANAGER_H