From d404ba0eabb0db772e42d194ca48acee7c766092 Mon Sep 17 00:00:00 2001 From: Jens-Heiner Rechtien Date: Fri, 23 Jul 2004 10:13:03 +0000 Subject: INTEGRATION: CWS fwklhf01 (1.8.8); FILE MERGED 2004/07/13 13:32:59 mav 1.8.8.6: #i30236# use list 2004/07/13 12:07:29 mav 1.8.8.5: #i30236# add to the correct list 2004/06/24 10:50:22 mav 1.8.8.4: #i30677# do streams commit before the common process to avoid exceptional situations 2004/06/23 09:57:52 mav 1.8.8.3: #i29321# handle gracefuly cases when nonmodified storage is commited and nothing is written to a new stream 2004/06/21 11:24:48 mav 1.8.8.2: #i30236# fix autodisposing of readonly storages 2004/06/21 09:24:24 mav 1.8.8.1: #i30400# do not ignore target name --- package/source/xstor/xstorage.cxx | 138 ++++++++++++++++++++++---------------- 1 file changed, 79 insertions(+), 59 deletions(-) (limited to 'package') diff --git a/package/source/xstor/xstorage.cxx b/package/source/xstor/xstorage.cxx index f5c3489c1af1..7d25a21cbfce 100644 --- a/package/source/xstor/xstorage.cxx +++ b/package/source/xstor/xstorage.cxx @@ -2,9 +2,9 @@ * * $RCSfile: xstorage.cxx,v $ * - * $Revision: 1.8 $ + * $Revision: 1.9 $ * - * last change: $Author: rt $ $Date: 2004-05-19 09:19:38 $ + * last change: $Author: hr $ $Date: 2004-07-23 11:13:03 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses @@ -126,6 +126,9 @@ using namespace ::com::sun::star; //========================================================= + +typedef ::std::list< uno::WeakReference< lang::XComponent > > WeakComponentList; + struct StorInternalData_Impl { SotMutexHolderRef m_rSharedMutexRef; @@ -136,7 +139,7 @@ struct StorInternalData_Impl OChildDispListener_Impl* m_pSubElDispListener; - uno::Sequence< uno::Reference< lang::XComponent > > m_aOpenSubComponentsList; + WeakComponentList m_aOpenSubComponentsList; // the mutex reference MUST NOT be empty StorInternalData_Impl( const SotMutexHolderRef& rMutexRef, sal_Bool bRoot, sal_Bool bReadOnlyWrap ) @@ -150,6 +153,7 @@ struct StorInternalData_Impl ~StorInternalData_Impl(); }; + //========================================================= extern uno::Sequence< sal_Int8 > MakeKeyFromPass( ::rtl::OUString aPass, sal_Bool bUseUTF ); @@ -335,12 +339,13 @@ OStorage_Impl::~OStorage_Impl() { for ( OStorageList_Impl::iterator pStorageIter = m_aReadOnlyWrapList.begin(); pStorageIter != m_aReadOnlyWrapList.end(); pStorageIter++ ) - if ( *pStorageIter ) + { + uno::Reference< embed::XStorage > xTmp = pStorageIter->m_xWeakRef; + if ( xTmp.is() ) try { - (*pStorageIter)->InternalDispose( sal_False ); - (*pStorageIter)->release(); - (*pStorageIter) = NULL; + pStorageIter->m_pPointer->InternalDispose( sal_False ); } catch( uno::Exception& ) {} + } m_aReadOnlyWrapList.clear(); } @@ -393,26 +398,31 @@ OStorage_Impl::~OStorage_Impl() //----------------------------------------------- void OStorage_Impl::SetReadOnlyWrap( OStorage& aStorage ) { - aStorage.acquire(); - m_aReadOnlyWrapList.push_back( &aStorage ); + // Weak reference is used inside the holder so the refcount must not be zero at this point + OSL_ENSURE( aStorage.GetRefCount_Impl(), "There must be a reference alive to use this method!\n" ); + m_aReadOnlyWrapList.push_back( StorageHolder_Impl( &aStorage ) ); } //----------------------------------------------- void OStorage_Impl::RemoveReadOnlyWrap( OStorage& aStorage ) { for ( OStorageList_Impl::iterator pStorageIter = m_aReadOnlyWrapList.begin(); - pStorageIter != m_aReadOnlyWrapList.end(); pStorageIter++ ) - if ( *pStorageIter == &aStorage ) + pStorageIter != m_aReadOnlyWrapList.end();) + { + uno::Reference< embed::XStorage > xTmp = pStorageIter->m_xWeakRef; + if ( !xTmp.is() || pStorageIter->m_pPointer == &aStorage ) { try { - (*pStorageIter)->InternalDispose( sal_False ); + pStorageIter->m_pPointer->InternalDispose( sal_False ); } catch( uno::Exception& ) {} - (*pStorageIter)->release(); - (*pStorageIter) = NULL; + OStorageList_Impl::iterator pIterToDelete( pStorageIter ); + pStorageIter++; + m_aReadOnlyWrapList.erase( pIterToDelete ); } - - m_aReadOnlyWrapList.remove( NULL ); + else + pStorageIter++; + } } //----------------------------------------------- @@ -679,7 +689,7 @@ void OStorage_Impl::CopyStorageElement( SotElement_Impl* pElement, if ( !pElement->m_pStream->IsEncrypted() ) { uno::Reference< io::XStream > xSubStr = - xDest->openStreamElement( pElement->m_aName, + xDest->openStreamElement( aName, embed::ElementModes::READWRITE | embed::ElementModes::TRUNCATE ); OSL_ENSURE( xSubStr.is(), "No destination substream!\n" ); @@ -688,7 +698,7 @@ void OStorage_Impl::CopyStorageElement( SotElement_Impl* pElement, else if ( pElement->m_pStream->HasCachedPassword() && pElement->m_pStream->IsModified() ) { uno::Reference< io::XStream > xSubStr = - xDest->openEncryptedStreamElement( pElement->m_aName, + xDest->openEncryptedStreamElement( aName, embed::ElementModes::READWRITE | embed::ElementModes::TRUNCATE, pElement->m_pStream->GetCachedPassword() ); OSL_ENSURE( xSubStr.is(), "No destination substream!\n" ); @@ -762,6 +772,9 @@ void OStorage_Impl::Commit() OSL_ENSURE( m_nStorageMode & embed::ElementModes::WRITE, "Commit of readonly storage, should be detected before!\n" ); + if ( !m_bIsModified ) + return; + uno::Reference< container::XNameContainer > xNewPackageFolder; // here the storage will switch to the temporary package folder @@ -825,6 +838,13 @@ void OStorage_Impl::Commit() if ( !(*pElementIter)->m_bIsInserted ) { + // for now stream is opened in direct mode that means that in case + // storage is commited all the streams from it are commited in current state. + // following two steps are separated to allow easily implement transacted mode + // for streams if we need it in future. + if ( !(*pElementIter)->m_bIsStorage && (*pElementIter)->m_pStream ) + (*pElementIter)->m_pStream->Commit(); + // if the storage was not open, there is no need to commit it ??? // the storage should be checked that it is commited if ( (*pElementIter)->m_bIsStorage && (*pElementIter)->m_pStorage && (*pElementIter)->m_pStorage->m_bCommited ) @@ -838,15 +858,8 @@ void OStorage_Impl::Commit() (*pElementIter)->m_pStorage->InsertIntoPackageFolder( (*pElementIter)->m_aName, xNewPackageFolder ); } - else if ( !(*pElementIter)->m_bIsStorage && (*pElementIter)->m_pStream ) + else if ( !(*pElementIter)->m_bIsStorage && (*pElementIter)->m_pStream && (*pElementIter)->m_pStream->m_bFlushed ) { - // for now stream is opened in direct mode that means that in case - // storage is commited all the streams from it are commited in current state. - // following two steps are separated to allow easily implement transacted mode - // for streams if we need it in future. - - (*pElementIter)->m_pStream->Commit(); - // the renamed elements are not in new temporary storage if ( m_bCommited || m_bIsRoot ) xNewPackageFolder->removeByName( (*pElementIter)->m_aOriginalName ); @@ -1339,9 +1352,7 @@ OStorage::OStorage( OStorage_Impl* pImpl, sal_Bool bReadOnlyWrap ) m_pData->m_bReadOnlyWrap, "The wrapper can not allow writing in case implementation does not!\n" ); - if ( m_pData->m_bReadOnlyWrap ) - m_pImpl->SetReadOnlyWrap( *this ); - else + if ( !bReadOnlyWrap ) m_pImpl->m_pAntiImpl = this; } @@ -1384,7 +1395,7 @@ void SAL_CALL OStorage::InternalDispose( sal_Bool bNotifyImpl ) if ( m_pData->m_bReadOnlyWrap ) { - OSL_ENSURE( !m_pData->m_aOpenSubComponentsList.getLength() || m_pData->m_pSubElDispListener, + OSL_ENSURE( !m_pData->m_aOpenSubComponentsList.size() || m_pData->m_pSubElDispListener, "If any subelements are open the listener must exist!\n" ); if ( m_pData->m_pSubElDispListener ) @@ -1393,20 +1404,25 @@ void SAL_CALL OStorage::InternalDispose( sal_Bool bNotifyImpl ) // iterate through m_pData->m_aOpenSubComponentsList // deregister m_pData->m_pSubElDispListener and dispose all of them - for ( sal_Int32 nInd = 0; nInd < m_pData->m_aOpenSubComponentsList.getLength(); nInd++ ) - if ( m_pData->m_aOpenSubComponentsList[nInd].is() ) + if ( !m_pData->m_aOpenSubComponentsList.empty() ) + { + for ( WeakComponentList::iterator pCompIter = m_pData->m_aOpenSubComponentsList.begin(); + pCompIter != m_pData->m_aOpenSubComponentsList.end(); pCompIter++ ) { - m_pData->m_aOpenSubComponentsList[nInd]->removeEventListener( uno::Reference< lang::XEventListener >( + uno::Reference< lang::XComponent > xTmp = (*pCompIter); + if ( xTmp.is() ) + { + xTmp->removeEventListener( uno::Reference< lang::XEventListener >( static_cast< lang::XEventListener* >( m_pData->m_pSubElDispListener ) ) ); - try { - m_pData->m_aOpenSubComponentsList[nInd]->dispose(); - } catch( uno::Exception& ) - {} - m_pData->m_aOpenSubComponentsList[nInd] = uno::Reference< XComponent >(); + try { + xTmp->dispose(); + } catch( uno::Exception& ) {} + } } - m_pData->m_aOpenSubComponentsList.realloc( 0 ); + m_pData->m_aOpenSubComponentsList.clear(); + } } if ( bNotifyImpl ) @@ -1439,17 +1455,22 @@ void OStorage::ChildIsDisposed( const uno::Reference< uno::XInterface >& xChild // this method must not contain any locking // the locking is done in the listener - sal_Int32 nOldLength = m_pData->m_aOpenSubComponentsList.getLength(); - sal_Int32 nNewLength = 0; - - uno::Sequence< uno::Reference< lang::XComponent > > aNewSeq( nOldLength ); - - for ( sal_Int32 nInd = 0; nInd < nOldLength; nInd++ ) - if ( m_pData->m_aOpenSubComponentsList[nInd] != xChild ) - aNewSeq[nNewLength++] = m_pData->m_aOpenSubComponentsList[nInd]; - - aNewSeq.realloc( nNewLength ); - m_pData->m_aOpenSubComponentsList = aNewSeq; + if ( !m_pData->m_aOpenSubComponentsList.empty() ) + { + for ( WeakComponentList::iterator pCompIter = m_pData->m_aOpenSubComponentsList.begin(); + pCompIter != m_pData->m_aOpenSubComponentsList.end(); ) + { + uno::Reference< lang::XComponent > xTmp = (*pCompIter); + if ( !xTmp.is() || xTmp == xChild ) + { + WeakComponentList::iterator pIterToRemove = pCompIter; + pCompIter++; + m_pData->m_aOpenSubComponentsList.erase( pIterToRemove ); + } + else + pCompIter++; + } + } } //----------------------------------------------- @@ -1571,9 +1592,7 @@ void OStorage::MakeLinkToSubComponent_Impl( const uno::Reference< lang::XCompone xComponent->addEventListener( uno::Reference< lang::XEventListener >( static_cast< ::cppu::OWeakObject* >( m_pData->m_pSubElDispListener ), uno::UNO_QUERY ) ); - sal_Int32 nLength = m_pData->m_aOpenSubComponentsList.getLength(); - m_pData->m_aOpenSubComponentsList.realloc( nLength + 1 ); - m_pData->m_aOpenSubComponentsList[nLength] = xComponent; + m_pData->m_aOpenSubComponentsList.push_back( xComponent ); } //____________________________________________________________________________________________________ @@ -1933,14 +1952,15 @@ uno::Reference< embed::XStorage > SAL_CALL OStorage::openStorageElement( if ( !pElement->m_pStorage ) throw io::IOException(); // TODO: general_error - uno::Reference< embed::XStorage > xResult( - static_cast< OWeakObject* >( new OStorage( - pElement->m_pStorage, - ( nStorageMode & embed::ElementModes::WRITE ) != embed::ElementModes::WRITE ) ), - uno::UNO_QUERY ); + sal_Bool bReadOnlyWrap = ( ( nStorageMode & embed::ElementModes::WRITE ) != embed::ElementModes::WRITE ); + OStorage* pResultStorage = new OStorage( pElement->m_pStorage, bReadOnlyWrap ); + uno::Reference< embed::XStorage > xResult( (embed::XStorage*) pResultStorage ); - if ( m_pData->m_bReadOnlyWrap ) + if ( bReadOnlyWrap ) { + // Before this call is done the object must be refcounted already + pElement->m_pStorage->SetReadOnlyWrap( *pResultStorage ); + // before the storage disposes the stream it must deregister itself as listener uno::Reference< lang::XComponent > xStorageComponent( xResult, uno::UNO_QUERY ); if ( !xStorageComponent.is() ) -- cgit v1.2.3