audio_playlist_importer.h

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/*
 * Copyright (C) 2008 Sakari Bergen <sakari.bergen@beatwaves.net>
 * Copyright (C) 2009-2010 Carl Hetherington <carl@carlh.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 <memory>
 
#include "pbd/xml++.h"
#include "pbd/id.h"
 
#include "ardour/element_importer.h"
#include "ardour/element_import_handler.h"
 
namespace ARDOUR {
 
class AudioRegionImportHandler;
class AudioRegionImporter;
class AudioPlaylistImporter;
class Session;
 
class LIBARDOUR_API AudioPlaylistImportHandler : public ElementImportHandler
{
  public:
        typedef std::shared_ptr<AudioPlaylistImporter> PlaylistPtr;
        typedef std::list<PlaylistPtr> PlaylistList;
 
        AudioPlaylistImportHandler (XMLTree const & source, Session & session, AudioRegionImportHandler & region_handler, const char * nodename = "Playlists");
        virtual ~AudioPlaylistImportHandler () {}
        virtual std::string get_info () const;
 
        void get_regions (XMLNode const & node, ElementList & list) const;
        void update_region_id (XMLProperty* id_prop);
 
        void playlists_by_diskstream (PBD::ID const & id, PlaylistList & list) const;
 
  protected:
        AudioRegionImportHandler & region_handler;
};
 
class LIBARDOUR_API UnusedAudioPlaylistImportHandler : public AudioPlaylistImportHandler
{
  public:
        UnusedAudioPlaylistImportHandler (XMLTree const & source, Session & session, AudioRegionImportHandler & region_handler) :
                AudioPlaylistImportHandler (source, session, region_handler, "UnusedPlaylists") { }
        std::string get_info () const;
};
 
class LIBARDOUR_API AudioPlaylistImporter : public ElementImporter
{
  public:
        AudioPlaylistImporter (XMLTree const & source, Session & session, AudioPlaylistImportHandler & handler, XMLNode const & node);
        AudioPlaylistImporter (AudioPlaylistImporter const & other);
        ~AudioPlaylistImporter ();
 
        std::string get_info () const;
 
        void set_diskstream (PBD::ID const & id);
        PBD::ID const & orig_diskstream () const { return orig_diskstream_id; }
 
  protected:
        bool _prepare_move ();
        void _cancel_move ();
        void _move ();
 
  private:
        typedef std::list<std::shared_ptr<AudioRegionImporter> > RegionList;
 
        void populate_region_list ();
 
        AudioPlaylistImportHandler & handler;
        XMLNode const & orig_node;
        XMLNode xml_playlist;
        PBD::ID orig_diskstream_id;
        PBD::ID diskstream_id;
        RegionList regions;
};
 
} // namespace ARDOUR