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/*
Copyright (C) 2009 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_session_playlists_h__
#define __ardour_session_playlists_h__
#include <set>
#include <vector>
#include <string>
#include <glibmm/threads.h>
#include <boost/shared_ptr.hpp>
#include <boost/function.hpp>
#include "pbd/signals.h"
class XMLNode;
namespace PBD {
class ID;
}
namespace ARDOUR {
class Playlist;
class Region;
class Source;
class Session;
class Crossfade;
class Track;
class LIBARDOUR_API SessionPlaylists : public PBD::ScopedConnectionList
{
public:
~SessionPlaylists ();
boost::shared_ptr<Playlist> by_name (std::string name);
boost::shared_ptr<Playlist> by_id (const PBD::ID&);
uint32_t source_use_count (boost::shared_ptr<const Source> src) const;
uint32_t region_use_count (boost::shared_ptr<Region> region) const;
template<class T> void foreach (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
void get (std::vector<boost::shared_ptr<Playlist> >&) const;
void unassigned (std::list<boost::shared_ptr<Playlist> > & list);
void destroy_region (boost::shared_ptr<Region>);
boost::shared_ptr<Crossfade> find_crossfade (const PBD::ID &);
void sync_all_regions_with_regions ();
std::vector<boost::shared_ptr<Playlist> > playlists_for_track (boost::shared_ptr<Track>) const;
private:
friend class Session;
bool add (boost::shared_ptr<Playlist>);
void remove (boost::shared_ptr<Playlist>);
void remove_weak (boost::weak_ptr<Playlist>);
void track (bool, boost::weak_ptr<Playlist>);
uint32_t n_playlists() const;
void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
void update_after_tempo_map_change ();
void add_state (XMLNode *, bool);
bool maybe_delete_unused (boost::function<int(boost::shared_ptr<Playlist>)>);
int load (Session &, const XMLNode&);
int load_unused (Session &, const XMLNode&);
boost::shared_ptr<Playlist> XMLPlaylistFactory (Session &, const XMLNode&);
mutable Glib::Threads::Mutex lock;
typedef std::set<boost::shared_ptr<Playlist> > List;
List playlists;
List unused_playlists;
};
}
#endif
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