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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 <com/sun/star/util/XModifyListener.hpp>
#include <osl/diagnose.h>
#include "listenercalls.hxx"
using namespace com::sun::star;
ScUnoListenerCalls::ScUnoListenerCalls()
{
}
ScUnoListenerCalls::~ScUnoListenerCalls()
{
OSL_ENSURE( 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 ( const 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);
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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