b10d5c6709
git-svn-id: svn://localhost/ardour2/branches/3.0@10578 d708f5d6-7413-0410-9779-e7cbd77b26cf
92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
/*
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Copyright (C) 2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "pbd/demangle.h"
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#include "pbd/error.h"
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#include "pbd/boost_debug.h"
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#include "ardour/session.h"
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#include "ardour/session_handle.h"
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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SessionHandlePtr::SessionHandlePtr (Session* s)
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: _session (s)
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{
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if (_session) {
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_session->DropReferences.connect_same_thread (_session_connections, boost::bind (&SessionHandlePtr::session_going_away, this));
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}
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}
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void
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SessionHandlePtr::set_session (Session* s)
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{
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_session_connections.drop_connections ();
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if (_session) {
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_session = 0;
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}
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if (s) {
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_session = s;
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_session->DropReferences.connect_same_thread (_session_connections, boost::bind (&SessionHandlePtr::session_going_away, this));
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}
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}
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void
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SessionHandlePtr::session_going_away ()
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{
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set_session (0);
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}
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/*-------------------------*/
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SessionHandleRef::SessionHandleRef (Session& s)
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: _session (s)
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{
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_session.DropReferences.connect_same_thread (*this, boost::bind (&SessionHandleRef::session_going_away, this));
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_session.Destroyed.connect_same_thread (*this, boost::bind (&SessionHandleRef::insanity_check, this));
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}
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SessionHandleRef::~SessionHandleRef ()
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{
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}
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void
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SessionHandleRef::session_going_away ()
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{
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/* a handleRef is allowed to exist at the time of DropReferences, but not at the time of Destroyed
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*/
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}
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void
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SessionHandleRef::insanity_check ()
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{
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cerr << string_compose (
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_("programming error: %1"),
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string_compose("SessionHandleRef exists across session deletion! Dynamic type: %1 @ %2",
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PBD::demangled_name (*this), this))
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<< endl;
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}
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