1 /*  This file is part of the KDE project.

     2 

     3 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 

     5 This library is free software: you can redistribute it and/or modify

     6 it under the terms of the GNU Lesser General Public License as published by

     7 the Free Software Foundation, either version 2.1 or 3 of the License.

     8 

     9 This library is distributed in the hope that it will be useful,

    10 but WITHOUT ANY WARRANTY; without even the implied warranty of

    11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12 GNU Lesser General Public License for more details.

    13 

    14 You should have received a copy of the GNU Lesser General Public License

    15 along with this library.  If not, see <http://www.gnu.org/licenses/>.

    16 */

    17 

    18 #ifndef PHONON_BACKEND_H

    19 #define PHONON_BACKEND_H

    20 

    21 #include <phonon/backendinterface.h>

    22 #include <phonon/phononnamespace.h>

    23 

    24 #include <QtCore/QList>

    25 

    26 

    27 

    28 QT_BEGIN_NAMESPACE

    29 

    30 namespace Phonon

    31 {

    32     namespace WaveOut

    33     {

    34         class AudioOutput;

    35         class MediaObject;

    36 

    37         class Backend : public QObject, public Phonon::BackendInterface

    38         {

    39             Q_OBJECT

    40             Q_INTERFACES(Phonon::BackendInterface)

    41         public:

    42             Backend(QObject *parent = 0, const QVariantList & = QVariantList());

    43             virtual ~Backend();

    44 

    45             QObject *createObject(Phonon::BackendInterface::Class, QObject *parent, const QList<QVariant> &args);

    46 

    47             bool supportsVideo() const;

    48             QStringList availableMimeTypes() const;

    49 

    50             QList<int> objectDescriptionIndexes(Phonon::ObjectDescriptionType type) const;

    51             QHash<QByteArray, QVariant> objectDescriptionProperties(Phonon::ObjectDescriptionType type, int index) const;

    52 

    53             bool connectNodes(QObject *, QObject *);

    54             bool disconnectNodes(QObject *, QObject *);

    55 

    56             //transaction management

    57             bool startConnectionChange(QSet<QObject *>);

    58             bool endConnectionChange(QSet<QObject *>);

    59 

    60         Q_SIGNALS:

    61             void objectDescriptionChanged(ObjectDescriptionType);

    62 

    63         };

    64     }

    65 }

    66 

    67 QT_END_NAMESPACE

    68 

    69 #endif // PHONON_BACKEND_H