CCMediaPlayList.h

#ifndef CCMEDIAPLAYLIST_H
#define CCMEDIAPLAYLIST_H
 
#include <QObject>
 
struct MediaListMails {
    bool prev_enabled { false }; 
    bool next_enabled { false }; 
    QString current_playing {};  
};
 
class CCMediaPlayList : public QObject {
    Q_OBJECT
public:
    explicit CCMediaPlayList(QObject* parent = nullptr);
 
    enum class PlayMode {
        OneShot,    
        OneCycle,   
        ListPlay,   
        ListCycle   
    };
 
    static constexpr const PlayMode DEF_MODE = PlayMode::ListCycle; 
 
    void set_play_mode(const PlayMode mode);
 
    void flow_mode();
 
    inline PlayMode get_play_mode() const { return current_mode; }
 
    MediaListMails fetch_prev_play();
 
    MediaListMails fetch_next_play();
 
    MediaListMails fetch_current_play() {
        return fetch_from_name(actual_play_list.at(moving_index));
    }
 
    MediaListMails fetch_from_name(const QString& where);
 
    MediaListMails fetch_first_play();
 
    MediaListMails fetch_last_play();
 
    QStringList currentPlayingList() const { return actual_play_list; }
 
    QStringList actualList() const { return play_list; }
 
    int get_actualListlist_size() { return play_list.size(); }
 
    void enqueue_play(const QStringList& media_sources);
 
    void remove_play_list(const QStringList& media_sources);
 
signals:
    void playModeChanged(const PlayMode mode);
 
public slots:
    void flush_play_list();
 
private:
    PlayMode current_mode { DEF_MODE }; 
    QStringList play_list {}; 
    QStringList actual_play_list {}; 
    int moving_index { -1 }; 
 
    enum Direction {
        FORWARD,  
        BACKWARD  
    };
 
    void flush_info_according_mode(Direction dir);
 
    MediaListMails flush_according_index();
};
 
#endif // CCMEDIAPLAYLIST_H