ardour/libs/ardour/playlist_factory.cc

135 lines
3.9 KiB
C++

/*
* Copyright (C) 2006-2009 David Robillard <d@drobilla.net>
* Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009-2010 Carl Hetherington <carl@carlh.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.
*/
#include "pbd/error.h"
#include "pbd/xml++.h"
#include "ardour/playlist.h"
#include "ardour/audioplaylist.h"
#include "ardour/midi_playlist.h"
#include "ardour/playlist_factory.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
PBD::Signal2<void,boost::shared_ptr<Playlist>, bool> PlaylistFactory::PlaylistCreated;
boost::shared_ptr<Playlist>
PlaylistFactory::create (Session& s, const XMLNode& node, bool hidden, bool unused)
{
XMLProperty const * type = node.property("type");
boost::shared_ptr<Playlist> pl;
try {
if (!type || type->value() == "audio") {
pl = boost::shared_ptr<Playlist> (new AudioPlaylist (s, node, hidden));
} else if (type->value() == "midi") {
pl = boost::shared_ptr<Playlist> (new MidiPlaylist (s, node, hidden));
}
pl->set_region_ownership ();
if (pl && !hidden) {
PlaylistCreated (pl, unused);
}
return pl;
} catch (...) {
return boost::shared_ptr<Playlist> ();
}
}
boost::shared_ptr<Playlist>
PlaylistFactory::create (DataType type, Session& s, string name, bool hidden)
{
boost::shared_ptr<Playlist> pl;
try {
if (type == DataType::AUDIO)
pl = boost::shared_ptr<Playlist> (new AudioPlaylist (s, name, hidden));
else if (type == DataType::MIDI)
pl = boost::shared_ptr<Playlist> (new MidiPlaylist (s, name, hidden));
if (pl && !hidden) {
PlaylistCreated (pl, false);
}
return pl;
} catch (...) {
return boost::shared_ptr<Playlist> ();
}
}
boost::shared_ptr<Playlist>
PlaylistFactory::create (boost::shared_ptr<const Playlist> old, string name, bool hidden)
{
boost::shared_ptr<Playlist> pl;
boost::shared_ptr<const AudioPlaylist> apl;
boost::shared_ptr<const MidiPlaylist> mpl;
try {
if ((apl = boost::dynamic_pointer_cast<const AudioPlaylist> (old)) != 0) {
pl = boost::shared_ptr<Playlist> (new AudioPlaylist (apl, name, hidden));
pl->set_region_ownership ();
} else if ((mpl = boost::dynamic_pointer_cast<const MidiPlaylist> (old)) != 0) {
pl = boost::shared_ptr<Playlist> (new MidiPlaylist (mpl, name, hidden));
pl->set_region_ownership ();
}
if (pl && !hidden) {
PlaylistCreated (pl, false);
}
return pl;
} catch (...) {
return boost::shared_ptr<Playlist> ();
}
}
boost::shared_ptr<Playlist>
PlaylistFactory::create (boost::shared_ptr<const Playlist> old, timepos_t const & start, timepos_t const & cnt, string name, bool hidden)
{
boost::shared_ptr<Playlist> pl;
boost::shared_ptr<const AudioPlaylist> apl;
boost::shared_ptr<const MidiPlaylist> mpl;
try {
if ((apl = boost::dynamic_pointer_cast<const AudioPlaylist> (old)) != 0) {
pl = boost::shared_ptr<Playlist> (new AudioPlaylist (apl, start, cnt, name, hidden));
pl->set_region_ownership ();
} else if ((mpl = boost::dynamic_pointer_cast<const MidiPlaylist> (old)) != 0) {
pl = boost::shared_ptr<Playlist> (new MidiPlaylist (mpl, start, cnt, name, hidden));
pl->set_region_ownership ();
}
/* this factory method does NOT notify others */
return pl;
} catch (...) {
return boost::shared_ptr<Playlist> ();
}
}