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39
40
41#ifndef QMEDIAPLAYLISTCONTROL_P_H
42#define QMEDIAPLAYLISTCONTROL_P_H
43
44//
45// W A R N I N G
46// -------------
47//
48// This file is not part of the Qt API. It exists purely as an
49// implementation detail. This header file may change from version to
50// version without notice, or even be removed.
51//
52// We mean it.
53//
54
55#include <QtCore/qobject.h>
56#include "qmediacontrol.h"
57#include <private/qmediaplaylistnavigator_p.h>
58
59
60QT_BEGIN_NAMESPACE
61
62
63class QMediaPlaylistProvider;
64
65class Q_MULTIMEDIA_EXPORT QMediaPlaylistControl : public QMediaControl
66{
67 Q_OBJECT
68
69public:
70 virtual ~QMediaPlaylistControl();
71
72 virtual QMediaPlaylistProvider* playlistProvider() const = 0;
73 virtual bool setPlaylistProvider(QMediaPlaylistProvider *playlist) = 0;
74
75 virtual int currentIndex() const = 0;
76 virtual void setCurrentIndex(int position) = 0;
77 virtual int nextIndex(int steps) const = 0;
78 virtual int previousIndex(int steps) const = 0;
79
80 virtual void next() = 0;
81 virtual void previous() = 0;
82
83 virtual QMediaPlaylist::PlaybackMode playbackMode() const = 0;
84 virtual void setPlaybackMode(QMediaPlaylist::PlaybackMode mode) = 0;
85
86Q_SIGNALS:
87 void playlistProviderChanged();
88 void currentIndexChanged(int position);
89 void currentMediaChanged(const QMediaContent&);
90 void playbackModeChanged(QMediaPlaylist::PlaybackMode mode);
91
92protected:
93 QMediaPlaylistControl(QObject *parent = nullptr);
94};
95
96#define QMediaPlaylistControl_iid "org.qt-project.qt.mediaplaylistcontrol/5.0"
97Q_MEDIA_DECLARE_CONTROL(QMediaPlaylistControl, QMediaPlaylistControl_iid)
98
99QT_END_NAMESPACE
100
101
102#endif // QMEDIAPLAYLISTCONTROL_P_H
103