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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.
*/
#include "pbd/demangle.h"
#include "pbd/error.h"
#include "ardour/boost_debug.h"
#include "ardour/session.h"
#include "ardour/session_handle.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
SessionHandlePtr::SessionHandlePtr (Session* s)
: _session (s)
{
if (_session) {
_session->DropReferences.connect_same_thread (_session_connections, boost::bind (&SessionHandlePtr::session_going_away, this));
}
}
void
SessionHandlePtr::set_session (Session* s)
{
_session_connections.drop_connections ();
if (_session) {
_session = 0;
}
if (s) {
_session = s;
_session->DropReferences.connect_same_thread (_session_connections, boost::bind (&SessionHandlePtr::session_going_away, this));
}
}
void
SessionHandlePtr::session_going_away ()
{
set_session (0);
}
/*-------------------------*/
SessionHandleRef::SessionHandleRef (Session& s)
: _session (s)
{
_session.DropReferences.connect_same_thread (*this, boost::bind (&SessionHandleRef::session_going_away, this));
_session.Destroyed.connect_same_thread (*this, boost::bind (&SessionHandleRef::insanity_check, this));
}
SessionHandleRef::~SessionHandleRef ()
{
}
void
SessionHandleRef::session_going_away ()
{
/* a handleRef is allowed to exist at the time of DropReferences, but not at the time of Destroyed
*/
}
void
SessionHandleRef::insanity_check ()
{
#ifndef NDEBUG
cerr << string_compose (
_("programming error: %1"),
string_compose("SessionHandleRef exists across session deletion! Dynamic type: %1 @ %2",
PBD::demangled_name (*this), this))
<< endl;
#endif
}
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