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39
40#ifndef QMEDIAPLAYLISTPROVIDER_P_H
41#define QMEDIAPLAYLISTPROVIDER_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include "qmediacontent.h"
55#include "qmediaplaylist.h"
56
57QT_BEGIN_NAMESPACE
58
59
60class QMediaPlaylistProviderPrivate
61{
62public:
63 QMediaPlaylistProviderPrivate()
64 {}
65 virtual ~QMediaPlaylistProviderPrivate()
66 {}
67};
68
69class Q_MULTIMEDIA_EXPORT QMediaPlaylistProvider : public QObject
70{
71Q_OBJECT
72public:
73 QMediaPlaylistProvider(QObject *parent = nullptr);
74 virtual ~QMediaPlaylistProvider();
75
76 virtual bool load(const QNetworkRequest &request, const char *format = nullptr);
77 virtual bool load(QIODevice *device, const char *format = nullptr);
78 virtual bool save(const QUrl &location, const char *format = nullptr);
79 virtual bool save(QIODevice * device, const char *format);
80
81 virtual int mediaCount() const = 0;
82 virtual QMediaContent media(int index) const = 0;
83
84 virtual bool isReadOnly() const;
85
86 virtual bool addMedia(const QMediaContent &content);
87 virtual bool addMedia(const QList<QMediaContent> &contentList);
88 virtual bool insertMedia(int index, const QMediaContent &content);
89 virtual bool insertMedia(int index, const QList<QMediaContent> &content);
90 virtual bool moveMedia(int from, int to);
91 virtual bool removeMedia(int pos);
92 virtual bool removeMedia(int start, int end);
93 virtual bool clear();
94
95public Q_SLOTS:
96 virtual void shuffle();
97
98Q_SIGNALS:
99 void mediaAboutToBeInserted(int start, int end);
100 void mediaInserted(int start, int end);
101
102 void mediaAboutToBeRemoved(int start, int end);
103 void mediaRemoved(int start, int end);
104
105 void mediaChanged(int start, int end);
106
107 void loaded();
108 void loadFailed(QMediaPlaylist::Error, const QString& errorMessage);
109
110protected:
111 QMediaPlaylistProviderPrivate *d_ptr;
112 QMediaPlaylistProvider(QMediaPlaylistProviderPrivate &dd, QObject *parent);
113
114private:
115 Q_DECLARE_PRIVATE(QMediaPlaylistProvider)
116};
117
118QT_END_NAMESPACE
119
120
121
122#endif // QMEDIAPLAYLISTSOURCE_P_H
123

source code of qtmultimedia/src/multimedia/playback/qmediaplaylistprovider_p.h