1 | /* This file is part of the KDE project |
2 | Copyright (C) 2007 Matthias Kretz <kretz@kde.org> |
3 | Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). <thierry.bastian@trolltech.com> |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) version 3, or any |
9 | later version accepted by the membership of KDE e.V. (or its |
10 | successor approved by the membership of KDE e.V.), Nokia Corporation |
11 | (or its successors, if any) and the KDE Free Qt Foundation, which shall |
12 | act as a proxy defined in Section 6 of version 3 of the license. |
13 | |
14 | This library is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | Lesser General Public License for more details. |
18 | |
19 | You should have received a copy of the GNU Lesser General Public |
20 | License along with this library. If not, see <http://www.gnu.org/licenses/>. |
21 | |
22 | */ |
23 | |
24 | #ifndef PHONON_MEDIANODE_H |
25 | #define PHONON_MEDIANODE_H |
26 | |
27 | #include "phonondefs.h" |
28 | #include "phonon_export.h" |
29 | #include "path.h" |
30 | |
31 | QT_BEGIN_HEADER |
32 | QT_BEGIN_NAMESPACE |
33 | |
34 | namespace Phonon |
35 | { |
36 | |
37 | class Path; |
38 | class MediaNodePrivate; |
39 | class PHONON_EXPORT MediaNode |
40 | { |
41 | friend class Path; |
42 | friend class PathPrivate; |
43 | friend PHONON_EXPORT Path createPath(MediaNode *source, MediaNode *sink); |
44 | K_DECLARE_PRIVATE(MediaNode) |
45 | public: |
46 | virtual ~MediaNode(); |
47 | /** |
48 | * Tells whether the backend provides an implementation of this |
49 | * class. |
50 | * |
51 | * \return \c true if backend provides an implementation |
52 | * \return \c false if the object is not implemented by the backend |
53 | */ |
54 | bool isValid() const; |
55 | |
56 | QList<Path> inputPaths() const; |
57 | QList<Path> outputPaths() const; |
58 | |
59 | protected: |
60 | MediaNode(MediaNodePrivate &dd); |
61 | MediaNodePrivate *const k_ptr; |
62 | }; |
63 | |
64 | } // namespace Phonon |
65 | |
66 | QT_END_NAMESPACE |
67 | QT_END_HEADER |
68 | |
69 | #endif // PHONON_MEDIANODE_H |
70 | |