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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#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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