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Diffstat (limited to '')
| -rw-r--r-- | embeddedobj/source/msole/oleembed.cxx | 1179 |
1 files changed, 1179 insertions, 0 deletions
diff --git a/embeddedobj/source/msole/oleembed.cxx b/embeddedobj/source/msole/oleembed.cxx new file mode 100644 index 0000000000..2bc6cdb606 --- /dev/null +++ b/embeddedobj/source/msole/oleembed.cxx @@ -0,0 +1,1179 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <string_view> + +#include <oleembobj.hxx> +#include <com/sun/star/embed/EmbedStates.hpp> +#include <com/sun/star/embed/EmbedVerbs.hpp> +#include <com/sun/star/embed/UnreachableStateException.hpp> +#include <com/sun/star/embed/XStorage.hpp> +#include <com/sun/star/embed/ElementModes.hpp> +#include <com/sun/star/embed/EmbedUpdateModes.hpp> +#include <com/sun/star/embed/NeedsRunningStateException.hpp> +#include <com/sun/star/embed/StateChangeInProgressException.hpp> +#include <com/sun/star/embed/EmbedMisc.hpp> +#include <com/sun/star/embed/XEmbedObjectCreator.hpp> +#include <com/sun/star/io/TempFile.hpp> +#include <com/sun/star/io/XSeekable.hpp> +#include <com/sun/star/lang/DisposedException.hpp> +#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp> +#include <com/sun/star/beans/NamedValue.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/frame/XLoadable.hpp> +#include <com/sun/star/document/XStorageBasedDocument.hpp> +#include <com/sun/star/ucb/SimpleFileAccess.hpp> +#include <com/sun/star/container/XNameAccess.hpp> +#include <com/sun/star/container/XNameContainer.hpp> +#include <com/sun/star/system/SystemShellExecute.hpp> +#include <com/sun/star/system/SystemShellExecuteFlags.hpp> + +#include <cppuhelper/exc_hlp.hxx> +#include <comphelper/multicontainer2.hxx> +#include <comphelper/mimeconfighelper.hxx> +#include <comphelper/propertyvalue.hxx> +#include <sal/log.hxx> +#include <comphelper/diagnose_ex.hxx> + + +#include <targetstatecontrol.hxx> + +#include "ownview.hxx" + +#if defined(_WIN32) +#include "olecomponent.hxx" +#endif + +using namespace ::com::sun::star; + +#ifdef _WIN32 + +void OleEmbeddedObject::SwitchComponentToRunningState_Impl() +{ + if ( !m_pOleComponent ) + { + throw embed::UnreachableStateException(); + } + try + { + m_pOleComponent->RunObject(); + } + catch( const embed::UnreachableStateException& ) + { + GetRidOfComponent(); + throw; + } + catch( const embed::WrongStateException& ) + { + GetRidOfComponent(); + throw; + } +} + + +uno::Sequence< sal_Int32 > OleEmbeddedObject::GetReachableStatesList_Impl( + const uno::Sequence< embed::VerbDescriptor >& aVerbList ) +{ + uno::Sequence< sal_Int32 > aStates { embed::EmbedStates::LOADED, embed::EmbedStates::RUNNING }; + for ( embed::VerbDescriptor const & vd : aVerbList ) + if ( vd.VerbID == embed::EmbedVerbs::MS_OLEVERB_OPEN ) + { + aStates.realloc(3); + aStates.getArray()[2] = embed::EmbedStates::ACTIVE; + break; + } + + return aStates; +} + + +uno::Sequence< sal_Int32 > OleEmbeddedObject::GetIntermediateVerbsSequence_Impl( sal_Int32 nNewState ) +{ + SAL_WARN_IF( m_nObjectState == embed::EmbedStates::LOADED, "embeddedobj.ole", "Loaded object is switched to running state without verbs using!" ); + + // actually there will be only one verb + if ( m_nObjectState == embed::EmbedStates::RUNNING && nNewState == embed::EmbedStates::ACTIVE ) + { + return { embed::EmbedVerbs::MS_OLEVERB_OPEN }; + } + + return uno::Sequence< sal_Int32 >(); +} +#endif + +void OleEmbeddedObject::MoveListeners() +{ + if ( !m_pInterfaceContainer ) + return; + + // move state change listeners + { + comphelper::OInterfaceContainerHelper2* pStateChangeContainer = + m_pInterfaceContainer->getContainer( cppu::UnoType<embed::XStateChangeListener>::get()); + if ( pStateChangeContainer != nullptr ) + { + if ( m_xWrappedObject.is() ) + { + comphelper::OInterfaceIteratorHelper2 pIterator( *pStateChangeContainer ); + while ( pIterator.hasMoreElements() ) + { + try + { + m_xWrappedObject->addStateChangeListener( static_cast<embed::XStateChangeListener*>(pIterator.next()) ); + } + catch( const uno::RuntimeException& ) + { + pIterator.remove(); + } + } + } + } + } + + // move event listeners + { + comphelper::OInterfaceContainerHelper2* pEventContainer = + m_pInterfaceContainer->getContainer( cppu::UnoType<document::XEventListener>::get()); + if ( pEventContainer != nullptr ) + { + if ( m_xWrappedObject.is() ) + { + comphelper::OInterfaceIteratorHelper2 pIterator( *pEventContainer ); + while ( pIterator.hasMoreElements() ) + { + try + { + m_xWrappedObject->addEventListener( static_cast<document::XEventListener*>(pIterator.next()) ); + } + catch( const uno::RuntimeException& ) + { + pIterator.remove(); + } + } + } + } + } + + // move close listeners + { + comphelper::OInterfaceContainerHelper2* pCloseContainer = + m_pInterfaceContainer->getContainer( cppu::UnoType<util::XCloseListener>::get()); + if ( pCloseContainer != nullptr ) + { + if ( m_xWrappedObject.is() ) + { + comphelper::OInterfaceIteratorHelper2 pIterator( *pCloseContainer ); + while ( pIterator.hasMoreElements() ) + { + try + { + m_xWrappedObject->addCloseListener( static_cast<util::XCloseListener*>(pIterator.next()) ); + } + catch( const uno::RuntimeException& ) + { + pIterator.remove(); + } + } + } + } + } + + m_pInterfaceContainer.reset(); +} + + +uno::Reference< embed::XStorage > OleEmbeddedObject::CreateTemporarySubstorage( OUString& o_aStorageName ) +{ + uno::Reference< embed::XStorage > xResult; + + for ( sal_Int32 nInd = 0; nInd < 32000 && !xResult.is(); nInd++ ) + { + OUString aName = OUString::number( nInd ) + "TMPSTOR" + m_aEntryName; + if ( !m_xParentStorage->hasByName( aName ) ) + { + xResult = m_xParentStorage->openStorageElement( aName, embed::ElementModes::READWRITE ); + o_aStorageName = aName; + } + } + + if ( !xResult.is() ) + { + o_aStorageName.clear(); + throw uno::RuntimeException("Failed to create temporary storage for OLE embed object"); + } + + return xResult; +} + + +OUString OleEmbeddedObject::MoveToTemporarySubstream() +{ + OUString aResult; + for ( sal_Int32 nInd = 0; nInd < 32000 && aResult.isEmpty(); nInd++ ) + { + OUString aName = OUString::number( nInd ) + "TMPSTREAM" + m_aEntryName; + if ( !m_xParentStorage->hasByName( aName ) ) + { + m_xParentStorage->renameElement( m_aEntryName, aName ); + aResult = aName; + } + } + + if ( aResult.isEmpty() ) + throw uno::RuntimeException("Failed to rename temporary storage for OLE embed object"); + + return aResult; +} + + +bool OleEmbeddedObject::TryToConvertToOOo( const uno::Reference< io::XStream >& xStream ) +{ + bool bResult = false; + + OUString aStorageName; + OUString aTmpStreamName; + sal_Int32 nStep = 0; + + if ( m_pOleComponent || m_bReadOnly ) + return false; + + try + { + changeState( embed::EmbedStates::LOADED ); + + // the stream must be seekable + uno::Reference< io::XSeekable > xSeekable( xStream, uno::UNO_QUERY_THROW ); + xSeekable->seek( 0 ); + m_aFilterName = OwnView_Impl::GetFilterNameFromExtentionAndInStream( m_xContext, std::u16string_view(), xStream->getInputStream() ); + + if ( !m_aFilterName.isEmpty() + && ( m_aFilterName == "Calc MS Excel 2007 XML" || m_aFilterName == "Impress MS PowerPoint 2007 XML" || m_aFilterName == "MS Word 2007 XML" + || m_aFilterName == "MS Excel 97 Vorlage/Template" || m_aFilterName == "MS Word 97 Vorlage" ) ) + { + uno::Reference< container::XNameAccess > xFilterFactory( + m_xContext->getServiceManager()->createInstanceWithContext("com.sun.star.document.FilterFactory", m_xContext), + uno::UNO_QUERY_THROW ); + + OUString aDocServiceName; + uno::Any aFilterAnyData = xFilterFactory->getByName( m_aFilterName ); + uno::Sequence< beans::PropertyValue > aFilterData; + if ( aFilterAnyData >>= aFilterData ) + { + for ( beans::PropertyValue const & prop : std::as_const(aFilterData) ) + if ( prop.Name == "DocumentService" ) + prop.Value >>= aDocServiceName; + } + + if ( !aDocServiceName.isEmpty() ) + { + // create the model + uno::Sequence< uno::Any > aArguments{ uno::Any( + beans::NamedValue( "EmbeddedObject", uno::Any( true ))) }; + + uno::Reference< util::XCloseable > xDocument( m_xContext->getServiceManager()->createInstanceWithArgumentsAndContext( aDocServiceName, aArguments, m_xContext ), uno::UNO_QUERY_THROW ); + uno::Reference< frame::XLoadable > xLoadable( xDocument, uno::UNO_QUERY_THROW ); + uno::Reference< document::XStorageBasedDocument > xStorDoc( xDocument, uno::UNO_QUERY_THROW ); + + // let the model behave as embedded one + uno::Reference< frame::XModel > xModel( xDocument, uno::UNO_QUERY_THROW ); + uno::Sequence< beans::PropertyValue > aSeq{ comphelper::makePropertyValue( + "SetEmbedded", true) }; + xModel->attachResource( OUString(), aSeq ); + + // load the model from the stream + uno::Sequence< beans::PropertyValue > aArgs{ + comphelper::makePropertyValue("HierarchicalDocumentName", m_aEntryName), + comphelper::makePropertyValue("ReadOnly", true), + comphelper::makePropertyValue("FilterName", m_aFilterName), + comphelper::makePropertyValue("URL", OUString( "private:stream" )), + comphelper::makePropertyValue("InputStream", xStream->getInputStream()) + }; + + xSeekable->seek( 0 ); + xLoadable->load( aArgs ); + + // the model is successfully loaded, create a new storage and store the model to the storage + uno::Reference< embed::XStorage > xTmpStorage = CreateTemporarySubstorage( aStorageName ); + xStorDoc->storeToStorage( xTmpStorage, uno::Sequence< beans::PropertyValue >() ); + xDocument->close( true ); + uno::Reference< beans::XPropertySet > xStorProps( xTmpStorage, uno::UNO_QUERY_THROW ); + OUString aMediaType; + xStorProps->getPropertyValue("MediaType") >>= aMediaType; + xTmpStorage->dispose(); + + // look for the related embedded object factory + ::comphelper::MimeConfigurationHelper aConfigHelper( m_xContext ); + OUString aEmbedFactory; + if ( !aMediaType.isEmpty() ) + aEmbedFactory = aConfigHelper.GetFactoryNameByMediaType( aMediaType ); + + if ( aEmbedFactory.isEmpty() ) + throw uno::RuntimeException("Failed to get OLE embedded object factory"); + + uno::Reference< uno::XInterface > xFact = m_xContext->getServiceManager()->createInstanceWithContext( aEmbedFactory, m_xContext ); + + uno::Reference< embed::XEmbedObjectCreator > xEmbCreator( xFact, uno::UNO_QUERY_THROW ); + + // now the object should be adjusted to become the wrapper + nStep = 1; + uno::Reference< lang::XComponent > xComp( m_xObjectStream, uno::UNO_QUERY_THROW ); + xComp->dispose(); + m_xObjectStream.clear(); + m_nObjectState = -1; + + nStep = 2; + aTmpStreamName = MoveToTemporarySubstream(); + + nStep = 3; + m_xParentStorage->renameElement( aStorageName, m_aEntryName ); + + nStep = 4; + m_xWrappedObject.set( xEmbCreator->createInstanceInitFromEntry( m_xParentStorage, m_aEntryName, uno::Sequence< beans::PropertyValue >(), uno::Sequence< beans::PropertyValue >() ), uno::UNO_QUERY_THROW ); + + // remember parent document name to show in the title bar + m_xWrappedObject->setContainerName( m_aContainerName ); + + bResult = true; // the change is no more revertable + try + { + m_xParentStorage->removeElement( aTmpStreamName ); + } + catch( const uno::Exception& ) + { + // the success of the removing is not so important + } + } + } + } + catch( const uno::Exception& ) + { + // repair the object if necessary + switch( nStep ) + { + case 4: + case 3: + if ( !aTmpStreamName.isEmpty() && aTmpStreamName != m_aEntryName ) + try + { + if ( m_xParentStorage->hasByName( m_aEntryName ) ) + m_xParentStorage->removeElement( m_aEntryName ); + m_xParentStorage->renameElement( aTmpStreamName, m_aEntryName ); + } + catch ( const uno::Exception& ex ) + { + css::uno::Any anyEx = cppu::getCaughtException(); + try { + close( true ); + } catch( const uno::Exception& ) {} + + m_xParentStorage->dispose(); // ??? the storage has information loss, it should be closed without committing! + throw css::lang::WrappedTargetRuntimeException( ex.Message, + nullptr, anyEx ); // the repairing is not possible + } + [[fallthrough]]; + case 2: + try + { + m_xObjectStream = m_xParentStorage->openStreamElement( m_aEntryName, m_bReadOnly ? embed::ElementModes::READ : embed::ElementModes::READWRITE ); + m_nObjectState = embed::EmbedStates::LOADED; + } + catch( const uno::Exception& ex ) + { + css::uno::Any anyEx = cppu::getCaughtException(); + try { + close( true ); + } catch( const uno::Exception& ) {} + + throw css::lang::WrappedTargetRuntimeException( ex.Message, + nullptr, anyEx ); // the repairing is not possible + } + [[fallthrough]]; + + case 1: + case 0: + if ( !aStorageName.isEmpty() ) + try { + m_xParentStorage->removeElement( aStorageName ); + } catch( const uno::Exception& ) { SAL_WARN( "embeddedobj.ole", "Can not remove temporary storage!" ); } + break; + } + } + + if ( bResult ) + { + // the conversion was done successfully, now the additional initializations should happen + + MoveListeners(); + m_xWrappedObject->setClientSite( m_xClientSite ); + if ( m_xParent.is() ) + { + uno::Reference< container::XChild > xChild( m_xWrappedObject, uno::UNO_QUERY ); + if ( xChild.is() ) + xChild->setParent( m_xParent ); + } + + } + + return bResult; +} + + +void SAL_CALL OleEmbeddedObject::changeState( sal_Int32 nNewState ) +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + xWrappedObject->changeState( nNewState ); + return; + } + // end wrapping related part ==================== + + ::osl::ResettableMutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( "The object has no persistence!", + static_cast< ::cppu::OWeakObject* >(this) ); + + // in case the object is already in requested state + if ( m_nObjectState == nNewState ) + return; + +#ifdef _WIN32 + if ( m_pOleComponent ) + { + if ( m_nTargetState != -1 ) + { + // means that the object is currently trying to reach the target state + throw embed::StateChangeInProgressException( OUString(), + uno::Reference< uno::XInterface >(), + m_nTargetState ); + } + + TargetStateControl_Impl aControl( m_nTargetState, nNewState ); + + // TODO: additional verbs can be a problem, since nobody knows how the object + // will behave after activation + + sal_Int32 nOldState = m_nObjectState; + aGuard.clear(); + StateChangeNotification_Impl( true, nOldState, nNewState ); + aGuard.reset(); + + try + { + if ( nNewState == embed::EmbedStates::LOADED ) + { + // This means just closing of the current object + // If component can not be closed the object stays in loaded state + // and it holds reference to "incomplete" component + // If the object is switched to running state later + // the component will become "complete" + + // the loaded state must be set before, because of notifications! + m_nObjectState = nNewState; + + { + VerbExecutionControllerGuard aVerbGuard( m_aVerbExecutionController ); + m_pOleComponent->CloseObject(); + } + + aGuard.clear(); + StateChangeNotification_Impl( false, nOldState, m_nObjectState ); + aGuard.reset(); + } + else if ( nNewState == embed::EmbedStates::RUNNING || nNewState == embed::EmbedStates::ACTIVE ) + { + if ( m_nObjectState == embed::EmbedStates::LOADED ) + { + // if the target object is in loaded state and a different state is specified + // as a new one the object first must be switched to running state. + + // the component can exist already in nonrunning state + // it can be created during loading to detect type of object + CreateOleComponentAndLoad_Impl( m_pOleComponent ); + + SwitchComponentToRunningState_Impl(); + m_nObjectState = embed::EmbedStates::RUNNING; + aGuard.clear(); + StateChangeNotification_Impl( false, nOldState, m_nObjectState ); + aGuard.reset(); + + if ( m_pOleComponent && m_bHasSizeToSet ) + { + aGuard.clear(); + try { + m_pOleComponent->SetExtent( m_aSizeToSet, m_nAspectToSet ); + m_bHasSizeToSet = false; + } + catch( const uno::Exception& ) {} + aGuard.reset(); + } + + if ( m_nObjectState == nNewState ) + return; + } + + // so now the object is either switched from Active to Running state or viceversa + // the notification about object state change will be done asynchronously + if ( m_nObjectState == embed::EmbedStates::RUNNING && nNewState == embed::EmbedStates::ACTIVE ) + { + // execute OPEN verb, if object does not reach active state it is an object's problem + aGuard.clear(); + m_pOleComponent->ExecuteVerb( embed::EmbedVerbs::MS_OLEVERB_OPEN ); + aGuard.reset(); + + // some objects do not allow to set the size even in running state + if ( m_pOleComponent && m_bHasSizeToSet ) + { + aGuard.clear(); + try { + m_pOleComponent->SetExtent( m_aSizeToSet, m_nAspectToSet ); + m_bHasSizeToSet = false; + } + catch( uno::Exception& ) {} + aGuard.reset(); + } + + m_nObjectState = nNewState; + } + else if ( m_nObjectState == embed::EmbedStates::ACTIVE && nNewState == embed::EmbedStates::RUNNING ) + { + aGuard.clear(); + m_pOleComponent->CloseObject(); + m_pOleComponent->RunObject(); // Should not fail, the object already was active + aGuard.reset(); + m_nObjectState = nNewState; + } + else + { + throw embed::UnreachableStateException(); + } + } + else + throw embed::UnreachableStateException(); + } + catch( uno::Exception& ) + { + aGuard.clear(); + StateChangeNotification_Impl( false, nOldState, m_nObjectState ); + throw; + } + } + else +#endif + { + throw embed::UnreachableStateException(); + } +} + + +uno::Sequence< sal_Int32 > SAL_CALL OleEmbeddedObject::getReachableStates() +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + return xWrappedObject->getReachableStates(); + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( "The object has no persistence!", + static_cast< ::cppu::OWeakObject* >(this) ); + +#ifdef _WIN32 + if ( m_pOleComponent ) + { + if ( m_nObjectState == embed::EmbedStates::LOADED ) + { + // the list of supported verbs can be retrieved only when object is in running state + throw embed::NeedsRunningStateException(); // TODO: + } + + // the list of states can only be guessed based on standard verbs, + // since there is no way to detect what additional verbs do + return GetReachableStatesList_Impl( m_pOleComponent->GetVerbList() ); + } + else +#endif + { + return uno::Sequence< sal_Int32 >(); + } +} + + +sal_Int32 SAL_CALL OleEmbeddedObject::getCurrentState() +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + return xWrappedObject->getCurrentState(); + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( "The object has no persistence!", + static_cast< ::cppu::OWeakObject* >(this) ); + + // TODO: Shouldn't we ask object? ( I guess no ) + return m_nObjectState; +} + +namespace +{ + bool lcl_CopyStream(const uno::Reference<io::XInputStream>& xIn, const uno::Reference<io::XOutputStream>& xOut, sal_Int32 nMaxCopy = SAL_MAX_INT32) + { + if (nMaxCopy <= 0) + return false; + + const sal_Int32 nChunkSize = 4096; + uno::Sequence< sal_Int8 > aData(nChunkSize); + sal_Int32 nTotalRead = 0; + sal_Int32 nRead; + do + { + if (nTotalRead + aData.getLength() > nMaxCopy) + { + aData.realloc(nMaxCopy - nTotalRead); + } + nRead = xIn->readBytes(aData, aData.getLength()); + nTotalRead += nRead; + xOut->writeBytes(aData); + } while (nRead == nChunkSize && nTotalRead <= nMaxCopy); + return nTotalRead != 0; + } + + uno::Reference < io::XStream > lcl_GetExtractedStream( OUString& rUrl, + const css::uno::Reference< css::uno::XComponentContext >& xContext, + const css::uno::Reference< css::io::XStream >& xObjectStream ) + { + uno::Reference <io::XTempFile> xNativeTempFile( + io::TempFile::create(xContext), + uno::UNO_SET_THROW); + uno::Reference < io::XStream > xStream(xNativeTempFile); + + uno::Sequence< uno::Any > aArgs{ uno::Any(xObjectStream), + uno::Any(true) }; // do not create copy + uno::Reference< container::XNameContainer > xNameContainer( + xContext->getServiceManager()->createInstanceWithArgumentsAndContext( + "com.sun.star.embed.OLESimpleStorage", + aArgs, xContext ), uno::UNO_QUERY_THROW ); + + //various stream names that can contain the real document contents for + //this object in a straightforward direct way + static const std::u16string_view aStreamNames[] = + { + u"CONTENTS", + u"Package", + u"EmbeddedOdf", + u"WordDocument", + u"Workbook", + u"PowerPoint Document" + }; + + bool bCopied = false; + for (size_t i = 0; i < std::size(aStreamNames) && !bCopied; ++i) + { + uno::Reference<io::XStream> xEmbeddedFile; + try + { + xNameContainer->getByName(OUString(aStreamNames[i])) >>= xEmbeddedFile; + } + catch (const container::NoSuchElementException&) + { + // ignore + } + bCopied = xEmbeddedFile.is() && lcl_CopyStream(xEmbeddedFile->getInputStream(), xStream->getOutputStream()); + } + + if (!bCopied) + { + uno::Reference< io::XStream > xOle10Native; + try + { + xNameContainer->getByName("\1Ole10Native") >>= xOle10Native; + } + catch (container::NoSuchElementException const&) + { + // ignore + } + if (xOle10Native.is()) + { + const uno::Reference<io::XInputStream> xIn = xOle10Native->getInputStream(); + xIn->skipBytes(4); //size of the entire stream minus 4 bytes + xIn->skipBytes(2); //word that represent the directory type + uno::Sequence< sal_Int8 > aData(1); + sal_Int32 nRead; + do + { + nRead = xIn->readBytes(aData, 1); + } while (nRead == 1 && aData[0] != 0); // file name plus extension of the attachment null terminated + do + { + nRead = xIn->readBytes(aData, 1); + } while (nRead == 1 && aData[0] != 0); // Fully Qualified File name with extension + xIn->skipBytes(1); //single byte + xIn->skipBytes(1); //single byte + xIn->skipBytes(2); //Word that represent the directory type + xIn->skipBytes(4); //len of string + do + { + nRead = xIn->readBytes(aData, 1); + } while (nRead == 1 && aData[0] != 0); // Actual string representing the file path + uno::Sequence< sal_Int8 > aLenData(4); + xIn->readBytes(aLenData, 4); //len of attachment + sal_uInt32 nLen = static_cast<sal_uInt32>( + (aLenData[0] & 0xFF) | + ((aLenData[1] & 0xFF) << 8) | + ((aLenData[2] & 0xFF) << 16) | + ((aLenData[3] & 0xFF) << 24)); + + bCopied = lcl_CopyStream(xIn, xStream->getOutputStream(), nLen); + } + } + + uno::Reference< io::XSeekable > xSeekableStor(xObjectStream, uno::UNO_QUERY); + if (xSeekableStor.is()) + xSeekableStor->seek(0); + + if (!bCopied) + bCopied = lcl_CopyStream(xObjectStream->getInputStream(), xStream->getOutputStream()); + + if (bCopied) + { + xNativeTempFile->setRemoveFile(false); + rUrl = xNativeTempFile->getUri(); + + xNativeTempFile.clear(); + + uno::Reference < ucb::XSimpleFileAccess3 > xSimpleFileAccess( + ucb::SimpleFileAccess::create( xContext ) ); + + xSimpleFileAccess->setReadOnly(rUrl, true); + } + else + { + xNativeTempFile->setRemoveFile(true); + } + + return xStream; + } + + //Dump the objects content to a tempfile, just the "CONTENTS" stream if + //there is one for non-compound documents, otherwise the whole content. + //On success a file is returned which must be removed by the caller + OUString lcl_ExtractObject(const css::uno::Reference< css::uno::XComponentContext >& xContext, + const css::uno::Reference< css::io::XStream >& xObjectStream) + { + OUString sUrl; + + // the solution is only active for Unix systems +#ifndef _WIN32 + lcl_GetExtractedStream(sUrl, xContext, xObjectStream); +#else + (void) xContext; + (void) xObjectStream; +#endif + return sUrl; + } + + uno::Reference < io::XStream > lcl_ExtractObjectStream( const css::uno::Reference< css::uno::XComponentContext >& xContext, + const css::uno::Reference< css::io::XStream >& xObjectStream ) + { + OUString sUrl; + return lcl_GetExtractedStream( sUrl, xContext, xObjectStream ); + } +} + + +void SAL_CALL OleEmbeddedObject::doVerb( sal_Int32 nVerbID ) +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + xWrappedObject->doVerb(embed::EmbedVerbs::MS_OLEVERB_OPEN); // open content in the window not in-place + return; + } + // end wrapping related part ==================== + + ::osl::ResettableMutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( "The object has no persistence!", + static_cast< ::cppu::OWeakObject* >(this) ); + +#ifdef _WIN32 + if ( m_pOleComponent ) + { + sal_Int32 nOldState = m_nObjectState; + + // TODO/LATER detect target state here and do a notification + // StateChangeNotification_Impl( sal_True, nOldState, nNewState ); + if ( m_nObjectState == embed::EmbedStates::LOADED ) + { + // if the target object is in loaded state + // it must be switched to running state to execute verb + aGuard.clear(); + changeState( embed::EmbedStates::RUNNING ); + aGuard.reset(); + } + + try { + if ( !m_pOleComponent ) + throw uno::RuntimeException("Null reference to OLE component"); + + // ==== the STAMPIT related solution ============================= + m_aVerbExecutionController.StartControlExecution(); + + + m_pOleComponent->ExecuteVerb( nVerbID ); + m_pOleComponent->SetHostName( m_aContainerName ); + + // ==== the STAMPIT related solution ============================= + bool bModifiedOnExecution = m_aVerbExecutionController.EndControlExecution_WasModified(); + + // this workaround is implemented for STAMPIT object + // if object was modified during verb execution it is saved here + if ( bModifiedOnExecution && m_pOleComponent->IsDirty() ) + SaveObject_Impl(); + + } + catch( uno::Exception& ) + { + // ==== the STAMPIT related solution ============================= + m_aVerbExecutionController.EndControlExecution_WasModified(); + + + aGuard.clear(); + StateChangeNotification_Impl( false, nOldState, m_nObjectState ); + throw; + } + + } + else +#endif + { + if ( nVerbID != -9 ) + { + + throw embed::UnreachableStateException(); + } + + // the workaround verb to show the object in case no server is available + + // if it is possible, the object will be converted to OOo format + if ( !m_bTriedConversion ) + { + m_bTriedConversion = true; + if ( TryToConvertToOOo( m_xObjectStream ) ) + { + changeState( embed::EmbedStates::ACTIVE ); + return; + } + } + + if ( !m_xOwnView.is() && m_xObjectStream.is() && m_aFilterName != "Text" ) + { + try { + uno::Reference< io::XSeekable > xSeekable( m_xObjectStream, uno::UNO_QUERY ); + if ( xSeekable.is() ) + xSeekable->seek( 0 ); + + m_xOwnView = new OwnView_Impl( m_xContext, m_xObjectStream->getInputStream() ); + } + catch( uno::RuntimeException& ) + { + throw; + } + catch (uno::Exception const&) + { + TOOLS_WARN_EXCEPTION("embeddedobj.ole", "OleEmbeddedObject::doVerb: -9 fallback path:"); + } + } + + // it may be the OLE Storage, try to extract stream + if ( !m_xOwnView.is() && m_xObjectStream.is() && m_aFilterName == "Text" ) + { + uno::Reference< io::XStream > xStream = lcl_ExtractObjectStream( m_xContext, m_xObjectStream ); + + if ( TryToConvertToOOo( xStream ) ) + { + changeState( embed::EmbedStates::ACTIVE ); + return; + } + } + + if (!m_xOwnView.is() || !m_xOwnView->Open()) + { + //Make a RO copy and see if the OS can find something to at + //least display the content for us + if (m_aTempDumpURL.isEmpty()) + m_aTempDumpURL = lcl_ExtractObject(m_xContext, m_xObjectStream); + + if (m_aTempDumpURL.isEmpty()) + throw embed::UnreachableStateException(); + + uno::Reference< css::system::XSystemShellExecute > xSystemShellExecute( + css::system::SystemShellExecute::create( m_xContext ) ); + xSystemShellExecute->execute(m_aTempDumpURL, OUString(), css::system::SystemShellExecuteFlags::URIS_ONLY); + + } + + } +} + + +uno::Sequence< embed::VerbDescriptor > SAL_CALL OleEmbeddedObject::getSupportedVerbs() +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + return xWrappedObject->getSupportedVerbs(); + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( "The object has no persistence!", + static_cast< ::cppu::OWeakObject* >(this) ); +#ifdef _WIN32 + if ( m_pOleComponent ) + { + // registry could be used in this case + // if ( m_nObjectState == embed::EmbedStates::LOADED ) + // { + // // the list of supported verbs can be retrieved only when object is in running state + // throw embed::NeedsRunningStateException(); // TODO: + // } + + return m_pOleComponent->GetVerbList(); + } + else +#endif + { + // tdf#140079 Claim support for the OleEmbeddedObject::doVerb -9 fallback. + // So in SfxViewFrame::GetState_Impl in case SID_OBJECT hasVerbs is not + // empty, so that the doVerb attempt with -9 fallback is attempted + uno::Sequence<embed::VerbDescriptor> aRet(1); + aRet.getArray()[0].VerbID = -9; + return aRet; + } +} + + +void SAL_CALL OleEmbeddedObject::setClientSite( + const uno::Reference< embed::XEmbeddedClient >& xClient ) +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + xWrappedObject->setClientSite( xClient ); + return; + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_xClientSite != xClient) + { + if ( m_nObjectState != embed::EmbedStates::LOADED && m_nObjectState != embed::EmbedStates::RUNNING ) + throw embed::WrongStateException( + "The client site can not be set currently!", + static_cast< ::cppu::OWeakObject* >(this) ); + + m_xClientSite = xClient; + } +} + + +uno::Reference< embed::XEmbeddedClient > SAL_CALL OleEmbeddedObject::getClientSite() +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + return xWrappedObject->getClientSite(); + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( "The object has no persistence!", + static_cast< ::cppu::OWeakObject* >(this) ); + + return m_xClientSite; +} + + +void SAL_CALL OleEmbeddedObject::update() +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + xWrappedObject->update(); + return; + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( "The object has no persistence!", + static_cast< ::cppu::OWeakObject* >(this) ); + + if ( m_nUpdateMode == embed::EmbedUpdateModes::EXPLICIT_UPDATE ) + { + // TODO: update view representation + } + else + { + // the object must be up to date + SAL_WARN_IF( m_nUpdateMode != embed::EmbedUpdateModes::ALWAYS_UPDATE, "embeddedobj.ole", "Unknown update mode!" ); + } +} + + +void SAL_CALL OleEmbeddedObject::setUpdateMode( sal_Int32 nMode ) +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + xWrappedObject->setUpdateMode( nMode ); + return; + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( "The object has no persistence!", + static_cast< ::cppu::OWeakObject* >(this) ); + + OSL_ENSURE( nMode == embed::EmbedUpdateModes::ALWAYS_UPDATE + || nMode == embed::EmbedUpdateModes::EXPLICIT_UPDATE, + "Unknown update mode!" ); + m_nUpdateMode = nMode; +} + + +sal_Int64 SAL_CALL OleEmbeddedObject::getStatus( sal_Int64 + nAspect +) +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + return xWrappedObject->getStatus( nAspect ); + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( "The object must be in running state!", + static_cast< ::cppu::OWeakObject* >(this) ); + + sal_Int64 nResult = 0; + +#ifdef _WIN32 + if ( m_bGotStatus && m_nStatusAspect == nAspect ) + nResult = m_nStatus; + else if ( m_pOleComponent ) + { + + m_nStatus = m_pOleComponent->GetMiscStatus( nAspect ); + m_nStatusAspect = nAspect; + m_bGotStatus = true; + nResult = m_nStatus; + } +#endif + + // this implementation needs size to be provided after object loading/creating to work in optimal way + return ( nResult | embed::EmbedMisc::EMBED_NEEDSSIZEONLOAD ); +} + + +void SAL_CALL OleEmbeddedObject::setContainerName( const OUString& sName ) +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + xWrappedObject->setContainerName( sName ); + return; + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + m_aContainerName = sName; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |