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Diffstat (limited to 'forms/source/helper/controlfeatureinterception.cxx')
| -rw-r--r-- | forms/source/helper/controlfeatureinterception.cxx | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/forms/source/helper/controlfeatureinterception.cxx b/forms/source/helper/controlfeatureinterception.cxx new file mode 100644 index 000000000000..ea34c4fb219b --- /dev/null +++ b/forms/source/helper/controlfeatureinterception.cxx @@ -0,0 +1,170 @@ +/************************************************************************* + * + * 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_forms.hxx" +#include "controlfeatureinterception.hxx" +#include "urltransformer.hxx" + +/** === begin UNO includes === **/ +/** === end UNO includes === **/ +#include <tools/debug.hxx> + +//........................................................................ +namespace frm +{ +//........................................................................ + + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::frame; + using namespace ::com::sun::star::util; + using namespace ::com::sun::star::lang; + + //==================================================================== + //= ControlFeatureInterception + //==================================================================== + //-------------------------------------------------------------------- + ControlFeatureInterception::ControlFeatureInterception( const Reference< XMultiServiceFactory >& _rxORB ) + :m_pUrlTransformer( new UrlTransformer( _rxORB ) ) + { + } + + //-------------------------------------------------------------------- + void SAL_CALL ControlFeatureInterception::registerDispatchProviderInterceptor( const Reference< XDispatchProviderInterceptor >& _rxInterceptor ) throw (RuntimeException ) + { + if ( !_rxInterceptor.is() ) + { + DBG_ERROR( "ControlFeatureInterception::registerDispatchProviderInterceptor: invalid interceptor!" ); + return; + } + + if ( m_xFirstDispatchInterceptor.is() ) + { + // there is already an interceptor; the new one will become its master + Reference< XDispatchProvider > xFirstProvider( m_xFirstDispatchInterceptor, UNO_QUERY ); + _rxInterceptor->setSlaveDispatchProvider( xFirstProvider ); + m_xFirstDispatchInterceptor->setMasterDispatchProvider( xFirstProvider ); + } + + // we are the master of the chain's first interceptor + m_xFirstDispatchInterceptor = _rxInterceptor; + m_xFirstDispatchInterceptor->setMasterDispatchProvider( NULL ); + // it's the first of the interceptor chain + } + + //-------------------------------------------------------------------- + void SAL_CALL ControlFeatureInterception::releaseDispatchProviderInterceptor( const Reference< XDispatchProviderInterceptor >& _rxInterceptor ) throw (RuntimeException ) + { + if ( !_rxInterceptor.is() ) + { + DBG_ERROR( "ControlFeatureInterception::releaseDispatchProviderInterceptor: invalid interceptor!" ); + return; + } + + Reference< XDispatchProviderInterceptor > xChainWalk( m_xFirstDispatchInterceptor ); + + if ( m_xFirstDispatchInterceptor == _rxInterceptor ) + { // our chain will have a new first element + Reference< XDispatchProviderInterceptor > xSlave( m_xFirstDispatchInterceptor->getSlaveDispatchProvider(), UNO_QUERY ); + m_xFirstDispatchInterceptor = xSlave; + } + // do this before removing the interceptor from the chain as we won't know it's slave afterwards) + + while ( xChainWalk.is() ) + { + // walk along the chain of interceptors and look for the interceptor that has to be removed + Reference< XDispatchProviderInterceptor > xSlave( xChainWalk->getSlaveDispatchProvider(), UNO_QUERY ); + + if ( xChainWalk == _rxInterceptor ) + { + // old master may be an interceptor too + Reference< XDispatchProviderInterceptor > xMaster( xChainWalk->getMasterDispatchProvider(), UNO_QUERY ); + + // unchain the interceptor that has to be removed + xChainWalk->setSlaveDispatchProvider( NULL ); + xChainWalk->setMasterDispatchProvider( NULL ); + + // reconnect the chain + if ( xMaster.is() ) + { + xMaster->setSlaveDispatchProvider( Reference< XDispatchProvider >::query( xSlave ) ); + } + + // if somebody has registered the same interceptor twice, then we will remove + // it once per call ... + break; + } + + xChainWalk = xSlave; + } + } + + //-------------------------------------------------------------------- + void ControlFeatureInterception::dispose() + { + // release all interceptors + Reference< XDispatchProviderInterceptor > xInterceptor( m_xFirstDispatchInterceptor ); + m_xFirstDispatchInterceptor.clear(); + while ( xInterceptor.is() ) + { + // tell the interceptor it has a new (means no) predecessor + xInterceptor->setMasterDispatchProvider( NULL ); + + // ask for it's successor + Reference< XDispatchProvider > xSlave = xInterceptor->getSlaveDispatchProvider(); + // and give it the new (means no) successoert + xInterceptor->setSlaveDispatchProvider( NULL ); + + // start over with the next chain element + xInterceptor = xInterceptor.query( xSlave ); + } + } + //-------------------------------------------------------------------- + Reference< XDispatch > ControlFeatureInterception::queryDispatch( const URL& _rURL, const ::rtl::OUString& _rTargetFrameName, ::sal_Int32 _nSearchFlags ) SAL_THROW((RuntimeException)) + { + Reference< XDispatch > xDispatcher; + if ( m_xFirstDispatchInterceptor.is() ) + xDispatcher = m_xFirstDispatchInterceptor->queryDispatch( _rURL, _rTargetFrameName, _nSearchFlags ); + return xDispatcher; + } + + //-------------------------------------------------------------------- + Reference< XDispatch > ControlFeatureInterception::queryDispatch( const URL& _rURL ) SAL_THROW((RuntimeException)) + { + return queryDispatch( _rURL, ::rtl::OUString(), 0 ); + } + + //-------------------------------------------------------------------- + Reference< XDispatch > ControlFeatureInterception::queryDispatch( const sal_Char* _pAsciiURL ) SAL_THROW((RuntimeException)) + { + return queryDispatch( m_pUrlTransformer->getStrictURLFromAscii( _pAsciiURL ) ); + } + +//........................................................................ +} // namespace frm +//........................................................................ + |