playlist.h

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/*
 * Sailfin: a Jellyfin client written using Qt
 * Copyright (C) 2021-2022 Chris Josten and the Sailfin Contributors.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef JELLYFIN_MODEL_PLAYLIST_H
#define JELLYFIN_MODEL_PLAYLIST_H
 
#include <QObject>
#include <QSharedPointer>
#include <QString>
#include <QUrl>
#include <QVector>
 
#include "../viewmodel/itemmodel.h"
#include "item.h"
 
namespace Jellyfin {
namespace Model {
 
class Shuffle;
 
class Playlist : public QObject {
    Q_OBJECT
public:
    explicit Playlist(QObject *parent = nullptr);
 
    QSharedPointer<Item> currentItem();
    QSharedPointer<Item> nextItem();
    int currentItemIndexInList() const;
 
    bool hasPrevious();
 
    void previous();
 
    bool hasNext();
 
    void next();
 
    QList<QSharedPointer<Item>> queueAndList() const;
 
    int queueSize() { return m_queue.size(); };
    int listSize() const { return m_list.size(); };
    int totalSize() const { return m_queue.size() + m_list.size(); }
 
    QSharedPointer<const Item> listAt(int index) const;
 
    QSharedPointer<const Item> queueAt(int index) const;
 
    void clearList();
 
    void appendToList(const QList<QSharedPointer<Item>> &model);
 
    void appendToList(QSharedPointer<Model::Item> item);
 
    void play(int index = 0);
 
    bool playingFromQueue() const;
 
signals:
    void beforeListCleared();
    void listCleared();
    void beforeItemsAddedToQueue(int index, int count);
    void beforeItemsAddedToList(int index, int count);
    void itemsAddedToQueue();
    void itemsAddedToList();
    void beforeItemsRemovedFromQueue(int index, int count);
    void beforeItemsRemovedFromList(int index, int count);
    void itemsRemovedFromQueue();
    void itemsRemovedFromList();
    void listReshuffled();
    void currentItemChanged();
private:
    void reshuffle();
 
    QSharedPointer<Item> m_currentItem;
    bool m_currentItemFromQueue = false;
    QSharedPointer<Item> m_nextItem;
    bool m_nextItemFromQueue = false;
 
    QVector<QSharedPointer<Item>> m_queue;
    QVector<QSharedPointer<Item>> m_list;
    int m_pos = 0;
 
    Shuffle *m_shuffler;
};
 
}
}
 
#endif // JELLYFIN_MODEL_PLAYLIST_H