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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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.
*
************************************************************************/
#include <svl/listener.hxx>
#include <svl/listeneriter.hxx>
#include <svl/broadcast.hxx>
#include <svl/smplhint.hxx>
//====================================================================
TYPEINIT0(SvtBroadcaster);
//====================================================================
// simple ctor of class SvtBroadcaster
SvtBroadcaster::SvtBroadcaster()
: pRoot( 0 )
{
}
//--------------------------------------------------------------------
// copy ctor of class SvtBroadcaster
SvtBroadcaster::SvtBroadcaster( const SvtBroadcaster &rBC )
: pRoot( 0 )
{
SvtListenerIter aIter( (SvtBroadcaster&)rBC );
SvtListener* pLast = aIter.GoStart();
if( pLast )
do {
pLast->StartListening( *this );
} while( 0 != ( pLast = aIter.GoNext() ));
}
//--------------------------------------------------------------------
// unregister all listeners
SvtBroadcaster::~SvtBroadcaster()
{
Broadcast( SfxSimpleHint(SFX_HINT_DYING) );
SvtListenerIter aIter( *this );
SvtListener* pLast = aIter.GoStart();
if( pLast )
do {
pLast->EndListening( *this );
if( !HasListeners() ) // all gone ??
break;
} while( 0 != ( pLast = aIter.GoNext() ));
}
//--------------------------------------------------------------------
// broadcast immedeately
void SvtBroadcaster::Broadcast( const SfxHint &rHint )
{
// is anybody to notify?
if( HasListeners() /* && !IsModifyLocked()*/ )
{
// LockModify();
// bInModify = sal_True;
SvtListenerIter aIter( *this );
SvtListener* pLast = aIter.GoStart();
if( pLast )
do {
pLast->Notify( *this, rHint );
if( !HasListeners() ) // all gone ??
break;
} while( 0 != ( pLast = aIter.GoNext() ));
// bInModify = sal_False;
// UnlockModify();
}
}
//--------------------------------------------------------------------
// called, if no more listeners exists
void SvtBroadcaster::ListenersGone()
{
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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