summaryrefslogtreecommitdiffstats
path: root/src/multimedia/qmediaservice.h
blob: 9e653b2d89d90cdb97d1010ce7c41ea04005dfc6 (plain)
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
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QABSTRACTMEDIASERVICE_H
#define QABSTRACTMEDIASERVICE_H

#include <QtMultimedia/qtmultimediaglobal.h>
#include <QtCore/qobject.h>
#include <QtCore/qstringlist.h>

#include <QtMultimedia/qmediacontrol.h>

QT_BEGIN_NAMESPACE


class QMediaServicePrivate;
class Q_MULTIMEDIA_EXPORT QMediaService : public QObject
{
    Q_OBJECT

public:
    ~QMediaService();

    virtual QMediaControl* requestControl(const char *name) = 0;

    template <typename T> inline T requestControl() {
        if (QMediaControl *control = requestControl(qmediacontrol_iid<T>())) {
            if (T typedControl = qobject_cast<T>(control))
                return typedControl;
            releaseControl(control);
        }
        return 0;
    }

    virtual void releaseControl(QMediaControl *control) = 0;

protected:
    QMediaService(QObject* parent);
    QMediaService(QMediaServicePrivate &dd, QObject *parent);

    QMediaServicePrivate *d_ptr;

private:
    Q_DECLARE_PRIVATE(QMediaService)
};

QT_END_NAMESPACE


#endif  // QABSTRACTMEDIASERVICE_H