/*
 * mp3plot - Bitrate analysis tool
 *
 * Copyright (C) 2007 Toni Corvera
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

// $Id: mp3_bitrate_plotter.h 753 2007-05-26 00:04:38Z  $

#ifndef ONET_BITRATE_PLOTTER_H
#define ONET_BITRATE_PLOTTER_H

#include <string>
// FIXME: Add to configure.in
// TODO: auto_ptr isn't compatible with STL containers, what other smart pointer is preferable?
#include <boost/shared_ptr.hpp>

#include "mp3_common.h"

namespace net_outlyer {

namespace mp3 {

    // Prototype
    class mp3file;

    /*!
     * \brief Creates a bitrate plot based on a bitrate distribution
     * \see bitrate_distribution
     */
    class bitrate_plotter {
    public:
        enum plotter_type_t {
            TEXT = 0x01,
            IMAGE = 0x02,
            EXTERNAL = 0x03 // Unused currently
        };

    private:
        typedef std::map<plotter_type_t, boost::shared_ptr<bitrate_plotter> > reg_plotters_map_t;

        static reg_plotters_map_t registered_plotters;
    protected:
        bitrate_plotter() {}
    public:
        virtual ~bitrate_plotter() {};

        struct e_unregistered_plotter_type : e_error {
        public:
            e_unregistered_plotter_type()
                // FIXME: Error type
                : e_error("Unregistered plotter type", EX_SOFTWARE)
            {}
        };

        /*!
         * \brief Creates the plot
         * \param file The MP3 file, with data already red
         */
        virtual void plot(const mp3file & file) const {};

        static void register_plotter(plotter_type_t, boost::shared_ptr<bitrate_plotter>);
        static bitrate_plotter & choose(plotter_type_t) throw (e_unregistered_plotter_type);
    };

} // namespace mp3

} // namespace net_outlyer

#endif // ONET_BITRATE_PLOTTER_H
/* vim:set ts=4 et ai: */