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livetrax/libs/ardour/named_selection.cc

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3.3 KiB
C++

/*
Copyright (C) 2003 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.
*/
#include "pbd/failed_constructor.h"
#include "pbd/error.h"
#include "ardour/session.h"
#include "ardour/utils.h"
#include "ardour/playlist.h"
#include "ardour/named_selection.h"
#include "ardour/session_playlists.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
PBD::Signal1<void,NamedSelection*> NamedSelection::NamedSelectionCreated;
typedef std::list<boost::shared_ptr<Playlist> > PlaylistList;
NamedSelection::NamedSelection (string n, PlaylistList& l)
: name (n)
{
playlists = l;
for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
string new_name;
/* rename playlists to reflect our ownership */
new_name = name;
new_name += '/';
new_name += (*i)->name();
(*i)->set_name (new_name);
(*i)->use();
}
}
NamedSelection::NamedSelection (Session& session, const XMLNode& node)
{
XMLNode* lists_node;
const XMLProperty* property;
if ((property = node.property ("name")) == 0) {
throw failed_constructor();
}
name = property->value();
if ((lists_node = find_named_node (node, "Playlists")) == 0) {
return;
}
XMLNodeList nlist = lists_node->children();
XMLNodeConstIterator niter;
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
const XMLNode* plnode;
string playlist_name;
boost::shared_ptr<Playlist> playlist;
plnode = *niter;
if ((property = plnode->property ("name")) != 0) {
if ((playlist = session.playlists->by_name (property->value())) != 0) {
playlist->use();
playlists.push_back (playlist);
} else {
warning << string_compose (_("Chunk %1 uses an unknown playlist \"%2\""), name, property->value()) << endmsg;
}
} else {
error << string_compose (_("Chunk %1 contains misformed playlist information"), name) << endmsg;
throw failed_constructor();
}
}
NamedSelectionCreated (this);
}
NamedSelection::~NamedSelection ()
{
for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
/* XXX who really owns these? us or the session? */
(*i)->drop_references ();
(*i)->release ();
}
}
int
NamedSelection::set_state (const XMLNode& /*node*/, int /*version*/)
{
return 0;
}
XMLNode&
NamedSelection::get_state ()
{
XMLNode* root = new XMLNode ("NamedSelection");
XMLNode* child;
root->add_property ("name", name);
child = root->add_child ("Playlists");
for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
XMLNode* plnode = new XMLNode ("Playlist");
plnode->add_property ("name", (*i)->name());
child->add_child_nocopy (*plnode);
}
return *root;
}