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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/****************************************************************************
**
** 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_P_H
#define QMEDIAPLAYLIST_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qmediaplaylist.h"
#include "qmediaplaylistcontrol.h"
#include "qmediaplayer.h"
#include "qmediaplayercontrol.h"
#include "qlocalmediaplaylistprovider.h"
#include "qmediaobject_p.h"
#include <QtCore/qdebug.h>
#ifdef Q_MOC_RUN
# pragma Q_MOC_EXPAND_MACROS
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class QMediaPlaylistControl;
class QMediaPlaylistProvider;
class QMediaPlaylistReader;
class QMediaPlaylistWriter;
class QMediaPlayerControl;
class QMediaPlaylistPrivate
{
Q_DECLARE_PUBLIC(QMediaPlaylist)
public:
QMediaPlaylistPrivate()
:mediaObject(0),
control(0),
localPlaylistControl(0),
error(QMediaPlaylist::NoError)
{
}
virtual ~QMediaPlaylistPrivate() {}
void _q_loadFailed(QMediaPlaylist::Error error, const QString &errorString)
{
this->error = error;
this->errorString = errorString;
emit q_ptr->loadFailed();
}
void _q_mediaObjectDeleted()
{
Q_Q(QMediaPlaylist);
mediaObject = 0;
if (control != localPlaylistControl)
control = 0;
q->setMediaObject(0);
}
QMediaObject *mediaObject;
QMediaPlaylistControl *control;
QMediaPlaylistProvider *playlist() const { return control->playlistProvider(); }
QMediaPlaylistControl *localPlaylistControl;
bool readItems(QMediaPlaylistReader *reader);
bool writeItems(QMediaPlaylistWriter *writer);
QMediaPlaylist::Error error;
QString errorString;
QMediaPlaylist *q_ptr;
};
class QLocalMediaPlaylistControl : public QMediaPlaylistControl
{
Q_OBJECT
public:
QLocalMediaPlaylistControl(QObject *parent)
:QMediaPlaylistControl(parent)
{
QMediaPlaylistProvider *playlist = new QLocalMediaPlaylistProvider(this);
m_navigator = new QMediaPlaylistNavigator(playlist,this);
m_navigator->setPlaybackMode(QMediaPlaylist::Sequential);
connect(m_navigator, SIGNAL(currentIndexChanged(int)), SIGNAL(currentIndexChanged(int)));
connect(m_navigator, SIGNAL(activated(QMediaContent)), SIGNAL(currentMediaChanged(QMediaContent)));
connect(m_navigator, SIGNAL(playbackModeChanged(QMediaPlaylist::PlaybackMode)), SIGNAL(playbackModeChanged(QMediaPlaylist::PlaybackMode)));
}
virtual ~QLocalMediaPlaylistControl() {};
QMediaPlaylistProvider* playlistProvider() const { return m_navigator->playlist(); }
bool setPlaylistProvider(QMediaPlaylistProvider *mediaPlaylist)
{
m_navigator->setPlaylist(mediaPlaylist);
emit playlistProviderChanged();
return true;
}
int currentIndex() const { return m_navigator->currentIndex(); }
void setCurrentIndex(int position) { m_navigator->jump(position); }
int nextIndex(int steps) const { return m_navigator->nextIndex(steps); }
int previousIndex(int steps) const { return m_navigator->previousIndex(steps); }
void next() { m_navigator->next(); }
void previous() { m_navigator->previous(); }
QMediaPlaylist::PlaybackMode playbackMode() const { return m_navigator->playbackMode(); }
void setPlaybackMode(QMediaPlaylist::PlaybackMode mode) { m_navigator->setPlaybackMode(mode); }
private:
QMediaPlaylistNavigator *m_navigator;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QMEDIAPLAYLIST_P_H
|
