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+/* This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PHONON_BACKEND_H
+#define PHONON_BACKEND_H
+
+#include <phonon/backendinterface.h>
+#include <phonon/phononnamespace.h>
+
+#include <QtCore/QList>
+
+
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+ namespace WaveOut
+ {
+ class AudioOutput;
+ class MediaObject;
+
+ class Backend : public QObject, public Phonon::BackendInterface
+ {
+ Q_OBJECT
+ Q_INTERFACES(Phonon::BackendInterface)
+ public:
+ Backend(QObject *parent = 0, const QVariantList & = QVariantList());
+ virtual ~Backend();
+
+ QObject *createObject(Phonon::BackendInterface::Class, QObject *parent, const QList<QVariant> &args);
+
+ bool supportsVideo() const;
+ QStringList availableMimeTypes() const;
+
+ QList<int> objectDescriptionIndexes(Phonon::ObjectDescriptionType type) const;
+ QHash<QByteArray, QVariant> objectDescriptionProperties(Phonon::ObjectDescriptionType type, int index) const;
+
+ bool connectNodes(QObject *, QObject *);
+ bool disconnectNodes(QObject *, QObject *);
+
+ //transaction management
+ bool startConnectionChange(QSet<QObject *>);
+ bool endConnectionChange(QSet<QObject *>);
+
+ Q_SIGNALS:
+ void objectDescriptionChanged(ObjectDescriptionType);
+
+ };
+ }
+}
+
+QT_END_NAMESPACE
+
+#endif // PHONON_BACKEND_H