Paul Davis
f53cbaede8
git-svn-id: svn://localhost/ardour2/branches/3.0@6397 d708f5d6-7413-0410-9779-e7cbd77b26cf
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
/*
|
|
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/error.h"
|
|
#include "pbd/boost_debug.h"
|
|
|
|
#include "ardour/session.h"
|
|
#include "ardour/session_handle.h"
|
|
|
|
#include "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 ()
|
|
{
|
|
cerr << string_compose (_("programming error: %1"), "SessionHandleRef exists across sesssion deletion!") << endl;
|
|
}
|