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/*************************************************************************
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"
#include <com/sun/star/util/XModifyListener.hpp>
#include <tools/debug.hxx>
#include "listenercalls.hxx"
using namespace com::sun::star;
//------------------------------------------------------------------------
ScUnoListenerCalls::ScUnoListenerCalls()
{
}
ScUnoListenerCalls::~ScUnoListenerCalls()
{
DBG_ASSERT( aEntries.empty(), "unhandled listener calls remaining" );
}
void ScUnoListenerCalls::Add( const uno::Reference<util::XModifyListener>& rListener,
const lang::EventObject& rEvent )
{
if ( rListener.is() )
aEntries.push_back( ScUnoListenerEntry( rListener, rEvent ) );
}
void ScUnoListenerCalls::ExecuteAndClear()
{
// Execute all stored calls and remove them from the list.
// During each modified() call, Add may be called again.
// These new calls are executed here, too.
if (!aEntries.empty())
{
std::list<ScUnoListenerEntry>::iterator aItr(aEntries.begin());
std::list<ScUnoListenerEntry>::iterator aEndItr(aEntries.end());
while ( aItr != aEndItr )
{
ScUnoListenerEntry aEntry = *aItr;
try
{
aEntry.xListener->modified( aEntry.aEvent );
}
catch ( uno::RuntimeException )
{
// the listener is an external object and may throw a RuntimeException
// for reasons we don't know
}
// New calls that are added during the modified() call are appended to the end
// of aEntries, so the loop will catch them, too (as long as erase happens
// after modified).
aItr = aEntries.erase(aItr);
}
}
}
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