1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMEDIAPLAYLIST_H
#define QMEDIAPLAYLIST_H
#include <QtCore/qobject.h>
#include <qmediacontent.h>
#include <qmediaobject.h>
#include <qmediabindableinterface.h>
#include <qmediaenumdebug.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class QMediaPlaylistProvider;
class QMediaPlaylistPrivate;
class Q_MULTIMEDIA_EXPORT QMediaPlaylist : public QObject, public QMediaBindableInterface
{
Q_OBJECT
Q_INTERFACES(QMediaBindableInterface)
Q_PROPERTY(QMediaPlaylist::PlaybackMode playbackMode READ playbackMode WRITE setPlaybackMode NOTIFY playbackModeChanged)
Q_PROPERTY(QMediaContent currentMedia READ currentMedia NOTIFY currentMediaChanged)
Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
Q_ENUMS(PlaybackMode Error)
public:
enum PlaybackMode { CurrentItemOnce, CurrentItemInLoop, Sequential, Loop, Random };
enum Error { NoError, FormatError, FormatNotSupportedError, NetworkError, AccessDeniedError };
QMediaPlaylist(QObject *parent = 0);
virtual ~QMediaPlaylist();
QMediaObject *mediaObject() const;
PlaybackMode playbackMode() const;
void setPlaybackMode(PlaybackMode mode);
int currentIndex() const;
QMediaContent currentMedia() const;
int nextIndex(int steps = 1) const;
int previousIndex(int steps = 1) const;
QMediaContent media(int index) const;
int mediaCount() const;
bool isEmpty() const;
bool isReadOnly() const;
bool addMedia(const QMediaContent &content);
bool addMedia(const QList<QMediaContent> &items);
bool insertMedia(int index, const QMediaContent &content);
bool insertMedia(int index, const QList<QMediaContent> &items);
bool removeMedia(int pos);
bool removeMedia(int start, int end);
bool clear();
void load(const QUrl &location, const char *format = 0);
void load(QIODevice * device, const char *format = 0);
bool save(const QUrl &location, const char *format = 0);
bool save(QIODevice * device, const char *format);
Error error() const;
QString errorString() const;
public Q_SLOTS:
void shuffle();
void next();
void previous();
void setCurrentIndex(int index);
Q_SIGNALS:
void currentIndexChanged(int index);
void playbackModeChanged(QMediaPlaylist::PlaybackMode mode);
void currentMediaChanged(const QMediaContent&);
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();
protected:
bool setMediaObject(QMediaObject *object);
QMediaPlaylistPrivate *d_ptr;
private:
Q_DECLARE_PRIVATE(QMediaPlaylist)
Q_PRIVATE_SLOT(d_func(), void _q_loadFailed(QMediaPlaylist::Error, const QString &))
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QMediaPlaylist::PlaybackMode)
Q_DECLARE_METATYPE(QMediaPlaylist::Error)
Q_MEDIA_ENUM_DEBUG(QMediaPlaylist, PlaybackMode)
Q_MEDIA_ENUM_DEBUG(QMediaPlaylist, Error)
QT_END_HEADER
#endif // QMEDIAPLAYLIST_H
|
