diff options
Diffstat (limited to 'svl/source/notify/listenerbase.cxx')
-rw-r--r-- | svl/source/notify/listenerbase.cxx | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/svl/source/notify/listenerbase.cxx b/svl/source/notify/listenerbase.cxx new file mode 100644 index 000000000000..bb1569c128c5 --- /dev/null +++ b/svl/source/notify/listenerbase.cxx @@ -0,0 +1,84 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: listenerbase.cxx,v $ + * $Revision: 1.5 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_svl.hxx" +#ifndef GCC +#endif + +#ifndef DEBUG_HXX +#include <tools/debug.hxx> +#endif + +#include "listenerbase.hxx" +#include "listeneriter.hxx" +#include "listener.hxx" +#include "broadcast.hxx" + + +SvtListenerBase::SvtListenerBase( SvtListener& rLst, + SvtBroadcaster& rBroadcaster ) + : pLeft( 0 ), pRight( 0 ), + pBroadcaster( &rBroadcaster ), pListener( &rLst ) +{ + pNext = rLst.pBrdCastLst; + rLst.pBrdCastLst = this; + + if( pBroadcaster->pRoot ) + { + // set ever behind the root + pRight = pBroadcaster->pRoot->pRight; + pBroadcaster->pRoot->pRight = this; + this->pLeft = pBroadcaster->pRoot; + if( pRight ) + pRight->pLeft = this; + } + else + pBroadcaster->pRoot = this; +} + +SvtListenerBase::~SvtListenerBase() +{ + SvtListenerBase *pR = pRight, *pL = pLeft; + if( pBroadcaster->pRoot ) + pBroadcaster->pRoot = pL ? pL : pR; + + if( pL ) + pL->pRight = pR; + if( pR ) + pR->pLeft = pL; + + SvtListenerIter::RemoveListener( *this, pR ); + + if( !pBroadcaster->pRoot ) + pBroadcaster->ListenersGone(); +} + + |