office-gobmx/sd/source/ui/unoidl/unowcntr.cxx

/*************************************************************************
 *
 *  $RCSfile: unowcntr.cxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: rt $ $Date: 2004-03-30 14:40:46 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  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
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef _COM_SUN_STAR_LANG_XCOMPONENT_HPP_
#include <com/sun/star/lang/XComponent.hpp>
#endif

#ifndef _LIST_HXX
#include <tools/list.hxx>
#endif

#include <unowcntr.hxx>

using namespace ::rtl;
using namespace ::com::sun::star;

DECLARE_LIST( WeakRefList, uno::WeakReference< uno::XInterface >* );

SvUnoWeakContainer::SvUnoWeakContainer() throw()
{
    mpList = new WeakRefList;
}

SvUnoWeakContainer::~SvUnoWeakContainer() throw()
{
    uno::WeakReference< uno::XInterface >* pRef = mpList->First();
    while( pRef )
    {
        delete mpList->Remove();
        pRef = mpList->GetCurObject();
    }
    delete mpList;
}

/** inserts the given ref into this container */
void SvUnoWeakContainer::insert( uno::WeakReference< uno::XInterface > xRef ) throw()
{
    uno::WeakReference< uno::XInterface >* pRef = mpList->First();
    while( pRef )
    {
        ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >  xTestRef( *pRef );
        if(! xTestRef.is() )
        {
            delete mpList->Remove();
            pRef = mpList->GetCurObject();
        }
        else
        {
            if( *pRef == xRef )
                return;

            pRef = mpList->Next();
        }
    }

    mpList->Insert( new uno::WeakReference< uno::XInterface >( xRef ) );
}

/** removes the given ref from this container */
void SvUnoWeakContainer::remove( uno::WeakReference< uno::XInterface > xRef ) throw()
{
    uno::WeakReference< uno::XInterface >* pRef = mpList->First();
    while( pRef )
    {
        uno::Reference< uno::XInterface > xTestRef( *pRef );
        if(!xTestRef.is())
        {
            delete mpList->Remove();
            pRef = mpList->GetCurObject();
        }
        else
        {
            if( *pRef == xRef )
            {
                delete mpList->Remove();
                break;
            }

            pRef = mpList->Next();
        }
    }
}

/** searches the container for a ref that returns true on the given
    search function
*/
sal_Bool SvUnoWeakContainer::findRef( uno::WeakReference< uno::XInterface >& rRef, void* pSearchData, weakref_searchfunc pSearchFunc )
{
    uno::WeakReference< uno::XInterface >* pRef = mpList->First();
    while( pRef )
    {
        uno::Reference< ::com::sun::star::uno::XInterface > xTestRef( *pRef );
        if(!xTestRef.is())
        {
            delete mpList->Remove();
            pRef = mpList->GetCurObject();
        }
        else
        {
            if( (*pSearchFunc)( *pRef, pSearchData ) )
            {
                rRef = *pRef;
                return sal_True;
            }

            pRef = mpList->Next();
        }
    }

    return sal_False;
}

void SvUnoWeakContainer::dispose()
{
    uno::WeakReference< uno::XInterface >* pRef = mpList->First();
    while( pRef )
    {
        uno::Reference< uno::XInterface > xTestRef( *pRef );
        if(xTestRef.is())
        {
            uno::Reference< lang::XComponent > xComp( xTestRef, uno::UNO_QUERY );
            if( xComp.is() )
                xComp->dispose();
        }

        pRef = mpList->Next();
    }
}