/*  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_BACKENDNODE_H

#define PHONON_BACKENDNODE_H

#include "phononds9_namespace.h"

#include <QtCore/QObject>

#include <QtCore/QVector>

#include "compointer.h"

QT_BEGIN_NAMESPACE

namespace Phonon

{

    namespace DS9

    {

        class MediaObject;

        typedef ComPointer<IPin> InputPin;

        typedef ComPointer<IPin> OutputPin;

        typedef ComPointer<IBaseFilter> Filter;

        typedef ComPointer<IGraphBuilder> Graph;

        class BackendNode : public QObject

        {

            Q_OBJECT

        public:

            BackendNode(QObject *parent);

            virtual ~BackendNode();

            MediaObject *mediaObject() const {return m_mediaObject;}

            static QList<InputPin> pins(const Filter &, PIN_DIRECTION);

            Filter filter(int index) const { return m_filters[index]; }

            //add a pointer to the base Media Object (giving access to the graph and error management)

            void setMediaObject(MediaObject *mo);

            //called by the connections to tell the node that it's been connection to anothe one through its 'inpin' input port

            virtual void connected(BackendNode *, const InputPin& inpin) {}

            private Q_SLOTS:

                void mediaObjectDestroyed();

        protected:

            Filter m_filters[FILTER_COUNT];

            MediaObject *m_mediaObject;

        };

    }

}

QT_END_NAMESPACE

#endif