qmediaplaylist.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

#ifndef QMEDIAPLAYLIST_H

#define QMEDIAPLAYLIST_H

#include <QObject>

QT_BEGIN_NAMESPACE

class QMediaPlaylistPrivate;

class QMediaPlaylist : public QObject

    Q_OBJECT

    Q_PROPERTY(QMediaPlaylist::PlaybackMode playbackMode READ playbackMode WRITE setPlaybackMode

                       NOTIFY playbackModeChanged)

    Q_PROPERTY(QUrl currentMedia READ currentMedia NOTIFY currentMediaChanged)

    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)

public:

    enum PlaybackMode { CurrentItemOnce, CurrentItemInLoop, Sequential, Loop };

    Q_ENUM(PlaybackMode)

    enum Error { NoError, FormatError, FormatNotSupportedError, NetworkError, AccessDeniedError };

    Q_ENUM(Error)

    explicit QMediaPlaylist(QObject *parent = nullptr);

    virtual ~QMediaPlaylist();

    PlaybackMode playbackMode() const;

    void setPlaybackMode(PlaybackMode mode);

    int currentIndex() const;

    QUrl currentMedia() const;

    int nextIndex(int steps = 1) const;

    int previousIndex(int steps = 1) const;

    QUrl media(int index) const;

    int mediaCount() const;

    bool isEmpty() const;

    void addMedia(const QUrl &content);

    void addMedia(const QList<QUrl> &items);

    bool insertMedia(int index, const QUrl &content);

    bool insertMedia(int index, const QList<QUrl> &items);

    bool moveMedia(int from, int to);

    bool removeMedia(int pos);

    bool removeMedia(int start, int end);

    void clear();

    void load(const QUrl &location, const char *format = nullptr);

    void load(QIODevice *device, const char *format = nullptr);

    bool save(const QUrl &location, const char *format = nullptr) const;

    bool save(QIODevice *device, const char *format) const;

    Error error() const;

    QString errorString() const;

public slots:

    void shuffle();

    void next();

    void previous();

    void setCurrentIndex(int index);

signals:

    void currentIndexChanged(int index);

    void playbackModeChanged(QMediaPlaylist::PlaybackMode mode);

    void currentMediaChanged(const QUrl &);

    void mediaAboutToBeInserted(int start, int end);

    void mediaInserted(int start, int end);

    void mediaAboutToBeRemoved(int start, int end);

    void mediaRemoved(int start, int end);

    void mediaChanged(int start, int end);

    void loaded();

    void loadFailed();

private:

    QMediaPlaylistPrivate *d_ptr = nullptr;

    Q_DECLARE_PRIVATE(QMediaPlaylist)

};

QT_END_NAMESPACE

#endif // QMEDIAPLAYLIST_H