if ( m_xFirstDispatchInterceptor.is() )
{ // there is already an interceptor; the new one will become its master
_rxInterceptor->setSlaveDispatchProvider( m_xFirstDispatchInterceptor );
m_xFirstDispatchInterceptor->setMasterDispatchProvider( m_xFirstDispatchInterceptor );
}
// we are the master of the chain's first interceptor
m_xFirstDispatchInterceptor = _rxInterceptor;
m_xFirstDispatchInterceptor->setMasterDispatchProvider( nullptr ); // it's the first of the interceptor chain
}
if ( m_xFirstDispatchInterceptor == _rxInterceptor )
{ // our chain will have a new first element
m_xFirstDispatchInterceptor.set(m_xFirstDispatchInterceptor->getSlaveDispatchProvider(), UNO_QUERY);
} // 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( nullptr );
xChainWalk->setMasterDispatchProvider( nullptr );
// reconnect the chain if ( xMaster.is() )
{
xMaster->setSlaveDispatchProvider( xSlave );
}
// if somebody has registered the same interceptor twice, then we will remove // it once per call ... break;
}
xChainWalk = std::move(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( nullptr );
// ask for its successor
Reference< XDispatchProvider > xSlave = xInterceptor->getSlaveDispatchProvider(); // and give it the new (means no) successoert
xInterceptor->setSlaveDispatchProvider( nullptr );
// start over with the next chain element
xInterceptor.set(xSlave, css::uno::UNO_QUERY);
}
}
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