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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_comphelper.hxx"
#include <comphelper/listenernotification.hxx>
/** === begin UNO includes === **/
#include <com/sun/star/lang/DisposedException.hpp>
/** === end UNO includes === **/
//........................................................................
namespace comphelper
{
//........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
//====================================================================
//= OListenerContainer
//====================================================================
//--------------------------------------------------------------------
OListenerContainer::OListenerContainer( ::osl::Mutex& _rMutex )
:m_aListeners( _rMutex )
{
}
OListenerContainer::~OListenerContainer() {}
//--------------------------------------------------------------------
void OListenerContainer::impl_addListener( const Reference< XEventListener >& _rxListener )
{
OSL_PRECOND( _rxListener.is(), "OListenerContainer::impl_addListener: a NULL listener?!" );
if ( _rxListener.is() )
m_aListeners.addInterface( _rxListener );
}
//--------------------------------------------------------------------
void OListenerContainer::impl_removeListener( const Reference< XEventListener >& _rxListener )
{
#if OSL_DEBUG_LEVEL > 0
::cppu::OInterfaceIteratorHelper aIter( m_aListeners );
bool bFound = false;
while ( aIter.hasMoreElements() && !bFound )
{
bFound = ( Reference< XInterface >( aIter.next() ) == _rxListener );
}
OSL_ENSURE( bFound, "OListenerContainer::impl_removeListener: sure your listener handling is correct? The given listener is not registered!" );
#endif
m_aListeners.removeInterface( _rxListener );
}
//--------------------------------------------------------------------
void OListenerContainer::disposing( const EventObject& _rEventSource )
{
m_aListeners.disposeAndClear( _rEventSource );
}
//--------------------------------------------------------------------
void OListenerContainer::clear()
{
m_aListeners.clear();
}
//--------------------------------------------------------------------
bool OListenerContainer::impl_notify( const EventObject& _rEvent ) SAL_THROW(( Exception ))
{
::cppu::OInterfaceIteratorHelper aIter( m_aListeners );
bool bCancelled = false;
while ( aIter.hasMoreElements() && !bCancelled )
{
Reference< XEventListener > xListener( static_cast< XEventListener* >( aIter.next() ) );
if ( !xListener.is() )
continue;
try
{
bCancelled = !implNotify( xListener, _rEvent );
}
catch( const DisposedException& e )
{
// DisposedExceptions from the listener might indicate a
// broken connection to a different environment.
OSL_ENSURE( e.Context.is(), "OListenerContainer::impl_notify: caught dispose exception with empty Context field" );
// If the exception stems from the listener then remove it
// from the list of listeners. If the Context field of the
// exception is empty this is interpreted to indicate the
// listener as well.
if ( e.Context == xListener || !e.Context.is() )
aIter.remove();
}
}
return !bCancelled;
}
//........................................................................
} // namespace comphelper
//........................................................................
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