vos/corelibs/vos/listener.cc

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/*
    This file is part of the Virtual Object System of
    the Interreality project (http://interreality.org).

    Copyright (C) 2001-2003 Peter Amstutz

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA

    Peter Amstutz <tetron@interreality.org>
*/

#include "listener.hh"
#include "vobject.hh"

using namespace VOS;

VobjectEvent::VobjectEvent(EventType et, Vobject& init,
             Vobject& fromobj, int pos, const string& contextname,
             Vobject& childobj)
    : event(et), initiator(&init), from(&fromobj), position(pos),
      newstring(contextname), newchild(&childobj), oldchild(0)
{
    initiator->acquire();
    from->acquire();
    newchild->acquire();
    if(event == ChildRemove) {
        oldchild = &childobj;
        oldchild->acquire();
    }
}

VobjectEvent::VobjectEvent(EventType et, Vobject& init,
             Vobject& fromobj, int pos, const string& contextname,
             Vobject& newobj, Vobject& oldobj)
    : event(et), initiator(&init), from(&fromobj), position(pos),
      newstring(contextname), newchild(&newobj), oldchild(&oldobj)
{
    initiator->acquire();
    from->acquire();
    newchild->acquire();
    oldchild->acquire();
}

VobjectEvent::VobjectEvent(EventType et, Vobject& init, Vobject& fromobj, const string& type)
    : event(et), initiator(&init), from(&fromobj), position(-1),
      newstring(type), newchild(0), oldchild(0)
{
    initiator->acquire();
    from->acquire();
}

VobjectEvent::VobjectEvent(EventType et, Vobject& init, Vobject& fromobj)
    : event(et), initiator(&init), from(&fromobj), position(-1),
      newstring(""), newchild(0), oldchild(0)
{
    initiator->acquire();
    from->acquire();
}

VobjectEvent::~VobjectEvent()
{
    if(initiator) initiator->release();
    if(from) from->release();
    if(newchild) newchild->release();
    if(oldchild) oldchild->release();
}

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