qquickmediaplayer_p.h

Go to the documentation of this file.

// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QQUICKMEDIAPLAYER_H
#define QQUICKMEDIAPLAYER_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <QMediaPlayer>
#include <QtQml/qqml.h>
#include <qtmultimediaquickexports.h>
#include <qurl.h>
#include <private/qglobal_p.h>
 
QT_BEGIN_NAMESPACE
 
class Q_MULTIMEDIAQUICK_EXPORT QQuickMediaPlayer : public QMediaPlayer
{
    Q_OBJECT
    Q_PROPERTY(QUrl source READ qmlSource WRITE qmlSetSource NOTIFY qmlSourceChanged FINAL)
 
    // qml doesn't support qint64, so we have to convert to the supported type.
    // Int is expected to be enough for actual purposes.
    Q_PROPERTY(int duration READ qmlDuration NOTIFY qmlDurationChanged FINAL)
    Q_PROPERTY(int position READ qmlPosition WRITE setQmlPosition NOTIFY qmlPositionChanged FINAL)
    Q_PROPERTY(bool autoPlay READ autoPlay WRITE setAutoPlay NOTIFY autoPlayChanged FINAL)
 
    QML_NAMED_ELEMENT(MediaPlayer)
 
public:
    QQuickMediaPlayer(QObject *parent = nullptr);
 
    void qmlSetSource(const QUrl &source);
 
    QUrl qmlSource() const;
 
    void setQmlPosition(int position);
 
    int qmlPosition() const;
 
    int qmlDuration() const;
 
    bool autoPlay() const;
 
    void setAutoPlay(bool autoPlay);
 
private:
    void onPositionChanged(qint64 position);
    void onDurationChanged(qint64 position);
    void onMediaStatusChanged(QMediaPlayer::MediaStatus status);
 
Q_SIGNALS:
    void qmlSourceChanged(const QUrl &source);
    void qmlPositionChanged(int position);
    void qmlDurationChanged(int duration);
    void autoPlayChanged(bool autoPlay);
 
private:
    QUrl m_source;
    bool m_autoPlay = false;
    bool m_wasMediaLoaded = false;
};
 
QT_END_NAMESPACE
 
#endif