231 lines
8.3 KiB
C++
231 lines
8.3 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: fmdispatch.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: rt $ $Date: 2005-09-08 22:51:34 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef SVX_FMDISPATCH_HXX
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#include "fmdispatch.hxx"
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#endif
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#ifndef SVX_FORMCONTROLLING_HXX
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#include "formcontrolling.hxx"
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#endif
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//........................................................................
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namespace svx
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{
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//........................................................................
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::frame;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::util;
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//====================================================================
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//= OSingleFeatureDispatcher
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//====================================================================
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//--------------------------------------------------------------------
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OSingleFeatureDispatcher::OSingleFeatureDispatcher( const URL& _rFeatureURL, sal_Int32 _nFeatureId,
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const FormControllerHelper& _rController, ::osl::Mutex& _rMutex )
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:m_rMutex( _rMutex )
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,m_aStatusListeners( _rMutex )
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,m_rController( _rController )
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,m_aFeatureURL( _rFeatureURL )
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,m_nFeatureId( _nFeatureId )
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,m_bDisposed( sal_False )
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,m_bLastKnownEnabled( sal_False )
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{
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}
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//--------------------------------------------------------------------
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void OSingleFeatureDispatcher::dispose()
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{
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{
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::osl::MutexGuard aGuard( m_rMutex );
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if ( m_bDisposed )
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return;
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}
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EventObject aDisposeEvent( *this );
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m_aStatusListeners.disposeAndClear( aDisposeEvent );
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{
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::osl::MutexGuard aGuard( m_rMutex );
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m_bDisposed = sal_True;
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}
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}
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//--------------------------------------------------------------------
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void OSingleFeatureDispatcher::getUnoState( FeatureStateEvent& /* [out] */ _rState ) const
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{
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ControllerFeatureState aState;
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_rState.Source = *const_cast< OSingleFeatureDispatcher* >( this );
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m_rController.getState( m_nFeatureId, aState );
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_rState.FeatureURL = m_aFeatureURL;
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_rState.IsEnabled = aState.bEnabled;
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_rState.Requery = sal_False;
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_rState.State = aState.aState;
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}
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//--------------------------------------------------------------------
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void OSingleFeatureDispatcher::updateAllListeners()
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{
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::osl::ClearableMutexGuard aGuard( m_rMutex );
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FeatureStateEvent aUnoState;
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getUnoState( aUnoState );
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if ( ( m_aLastKnownState == aUnoState.State ) && ( m_bLastKnownEnabled == aUnoState.IsEnabled ) )
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return;
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m_aLastKnownState = aUnoState.State;
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m_bLastKnownEnabled = aUnoState.IsEnabled;
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notifyStatus( NULL, aGuard );
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}
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//--------------------------------------------------------------------
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void OSingleFeatureDispatcher::notifyStatus( const Reference< XStatusListener >& _rxListener, ::osl::ClearableMutexGuard& _rFreeForNotification )
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{
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FeatureStateEvent aUnoState;
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getUnoState( aUnoState );
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if ( _rxListener.is() )
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{
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try
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{
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_rFreeForNotification.clear();
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_rxListener->statusChanged( aUnoState );
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}
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catch( const Exception& )
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{
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OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught an exception!" );
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}
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}
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else
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{
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::cppu::OInterfaceIteratorHelper aIter( m_aStatusListeners );
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_rFreeForNotification.clear();
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while ( aIter.hasMoreElements() )
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{
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try
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{
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static_cast< XStatusListener* >( aIter.next() )->statusChanged( aUnoState );
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}
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catch( const DisposedException& )
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{
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OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught a DisposedException - removing the listener!" );
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aIter.remove( );
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}
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catch( const Exception& )
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{
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OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught a generic exception while notifying a single listener!" );
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}
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}
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}
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}
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//--------------------------------------------------------------------
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void SAL_CALL OSingleFeatureDispatcher::dispatch( const URL& _rURL, const Sequence< PropertyValue >& _rArguments ) throw (RuntimeException)
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{
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::osl::ClearableMutexGuard aGuard( m_rMutex );
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checkAlive();
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OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::dispatch: not responsible for this URL!" );
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if ( m_rController.getSimpleState( m_nFeatureId ) )
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{
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// release our mutex before executing the slot?
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sal_Int32 nFeatureId( m_nFeatureId );
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aGuard.clear();
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if ( !_rArguments.getLength() )
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{
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m_rController.execute( nFeatureId );
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}
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else
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{ // at the moment we only support one parameter
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m_rController.execute( nFeatureId, _rArguments[0].Name, _rArguments[0].Value );
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}
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}
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}
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//--------------------------------------------------------------------
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void SAL_CALL OSingleFeatureDispatcher::addStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException)
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{
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OSL_ENSURE( _rxControl.is(), "OSingleFeatureDispatcher::addStatusListener: senseless call!" );
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if ( !_rxControl.is() )
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return;
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::osl::ClearableMutexGuard aGuard( m_rMutex );
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if ( m_bDisposed )
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{
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EventObject aDisposeEvent( *this );
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aGuard.clear();
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_rxControl->disposing( aDisposeEvent );
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return;
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}
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m_aStatusListeners.addInterface( _rxControl );
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// initially update the status
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notifyStatus( _rxControl, aGuard );
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}
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//--------------------------------------------------------------------
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void SAL_CALL OSingleFeatureDispatcher::removeStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException)
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{
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OSL_ENSURE( _rxControl.is(), "OSingleFeatureDispatcher::removeStatusListener: senseless call!" );
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if ( !_rxControl.is() )
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return;
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::osl::MutexGuard aGuard( m_rMutex );
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checkAlive();
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m_aStatusListeners.removeInterface( _rxControl );
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}
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//--------------------------------------------------------------------
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void OSingleFeatureDispatcher::checkAlive() const SAL_THROW((DisposedException))
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{
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if ( m_bDisposed )
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throw DisposedException( ::rtl::OUString(), *const_cast< OSingleFeatureDispatcher* >( this ) );
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}
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//........................................................................
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} // namespace svx
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//........................................................................
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