audio_region_importer.h

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/*
 * Copyright (C) 2008-2009 Sakari Bergen <sakari.bergen@beatwaves.net>
 * Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
 *
 * 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.
 */
 
#pragma once
 
#include <list>
#include <map>
#include <memory>
#include <utility>
 
 
#include "pbd/xml++.h"
#include "pbd/id.h"
#include "ardour/element_importer.h"
#include "ardour/element_import_handler.h"
#include "ardour/import_status.h"
 
namespace ARDOUR {
 
class Region;
class Session;
class Source;
 
class LIBARDOUR_API AudioRegionImportHandler : public ElementImportHandler
{
  public:
        // Inerface implementation
        AudioRegionImportHandler (XMLTree const & source, Session & session);
        std::string get_info () const;
 
        void create_regions_from_children (XMLNode const & node, ElementList & list);
 
        // Source management
        bool check_source (std::string const & filename) const;
        void add_source (std::string const & filename, std::shared_ptr<Source> const & source);
        std::shared_ptr<Source> const & get_source (std::string const & filename) const;
 
        // Id management
        void register_id (PBD::ID & old_id, PBD::ID & new_id);
        PBD::ID const & get_new_id (PBD::ID & old_id) const;
 
  private:
        // Source management
        typedef std::map<std::string, std::shared_ptr<Source> > SourceMap;
        typedef std::pair<std::string, std::shared_ptr<Source> > SourcePair;
        SourceMap sources;
 
        // Id management
        typedef std::map<PBD::ID, PBD::ID> IdMap;
        typedef std::pair<PBD::ID, PBD::ID> IdPair;
        IdMap id_map;
};
 
class LIBARDOUR_API AudioRegionImporter : public ElementImporter
{
  public:
        AudioRegionImporter (XMLTree const & source, Session & session, AudioRegionImportHandler & handler, XMLNode const & node);
        ~AudioRegionImporter ();
 
        // Interface implementation
        std::string get_info () const;
        ImportStatus * get_import_status () { return &status; }
 
        // other stuff
        void add_sources_to_session ();
        XMLNode const & get_xml ();
 
  protected:
        bool _prepare_move ();
        void _cancel_move ();
        void _move ();
 
  private:
 
        XMLNode xml_region;
        AudioRegionImportHandler & handler;
        PBD::ID old_id;
        PBD::ID id;
        std::list<std::string> filenames;
        ImportStatus status;
 
        bool parse_xml_region ();
        bool parse_source_xml ();
        std::string get_sound_dir (XMLTree const & tree);
 
        void prepare_region ();
        void prepare_sources ();
        std::vector<std::shared_ptr<Region> > region;
        bool region_prepared;
        bool sources_prepared;
};
 
} // namespace ARDOUR