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
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTMEDIAOBJECT_H
#define QABSTRACTMEDIAOBJECT_H
#include <QtCore/qobject.h>
#include <QtCore/qstringlist.h>
#include <qtmultimediadefs.h>
#include "qtmedianamespace.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class QMediaService;
class QMediaBindableInterface;
class QMediaObjectPrivate;
class Q_MULTIMEDIA_EXPORT QMediaObject : public QObject
{
Q_OBJECT
Q_PROPERTY(int notifyInterval READ notifyInterval WRITE setNotifyInterval NOTIFY notifyIntervalChanged)
public:
~QMediaObject();
virtual bool isAvailable() const;
virtual QtMultimedia::AvailabilityStatus availability() const;
virtual QMediaService* service() const;
int notifyInterval() const;
void setNotifyInterval(int milliSeconds);
virtual bool bind(QObject *);
virtual void unbind(QObject *);
bool isMetaDataAvailable() const;
QVariant metaData(const QString &key) const;
QStringList availableMetaData() const;
Q_SIGNALS:
void notifyIntervalChanged(int milliSeconds);
void metaDataAvailableChanged(bool available);
void metaDataChanged();
void metaDataChanged(const QString &key, const QVariant &value);
void availabilityChanged(bool available);
void availabilityChanged(QtMultimedia::AvailabilityStatus availability);
protected:
QMediaObject(QObject *parent, QMediaService *service);
QMediaObject(QMediaObjectPrivate &dd, QObject *parent, QMediaService *service);
void addPropertyWatch(QByteArray const &name);
void removePropertyWatch(QByteArray const &name);
QMediaObjectPrivate *d_ptr;
private:
void setupControls();
Q_DECLARE_PRIVATE(QMediaObject)
Q_PRIVATE_SLOT(d_func(), void _q_notify())
Q_PRIVATE_SLOT(d_func(), void _q_availabilityChanged())
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QABSTRACTMEDIAOBJECT_H
|
