/***************************************************************************
 *   Copyright (C) 2010 by Joris Guisson                                   *
 *   joris.guisson@gmail.com                                               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
 ***************************************************************************/

#ifndef KT_MEDIAFILESTREAM_H
#define KT_MEDIAFILESTREAM_H

#include <phonon/abstractmediastream.h>
#include <torrent/torrentfilestream.h>
#include <boost/concept_check.hpp>

namespace bt
{
	class TorrentFileStream;
}

namespace kt 
{
	/**
		Class to stream a TorrentFileStream to phonon.
	 */
	class MediaFileStream : public Phonon::AbstractMediaStream
	{
		Q_OBJECT
	public:
		MediaFileStream(bt::TorrentFileStream::WPtr stream,QObject* parent = 0);
		virtual ~MediaFileStream();
		
		enum StreamState
		{
			PLAYING,
			BUFFERING
		};
		
		StreamState state() const {return waiting_for_data ? BUFFERING : PLAYING;}

	protected:
		virtual void needData();
		virtual void reset();
		virtual void enoughData();
		virtual void seekStream(qint64 offset);
		
	signals:
		/// Emitted when the stream state changes
		void stateChanged(int state);
		
	private slots:
		void dataReady();
		
	private:
		bt::TorrentFileStream::WPtr stream;
		bool waiting_for_data;
	};

}

#endif // KT_MEDIAFILESTREAM_H
