diff options
Diffstat (limited to 'embeddedobj/source/msole/olecomponent.cxx')
| -rw-r--r-- | embeddedobj/source/msole/olecomponent.cxx | 1672 |
1 files changed, 1672 insertions, 0 deletions
diff --git a/embeddedobj/source/msole/olecomponent.cxx b/embeddedobj/source/msole/olecomponent.cxx new file mode 100644 index 000000000..f31113023 --- /dev/null +++ b/embeddedobj/source/msole/olecomponent.cxx @@ -0,0 +1,1672 @@ +/* -*- 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 <com/sun/star/datatransfer/UnsupportedFlavorException.hpp> +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#include <com/sun/star/lang/DisposedException.hpp> +#include <com/sun/star/embed/WrongStateException.hpp> +#include <com/sun/star/embed/UnreachableStateException.hpp> +#include <com/sun/star/ucb/XSimpleFileAccess.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/io/TempFile.hpp> +#include <com/sun/star/io/XTruncate.hpp> +#include <com/sun/star/io/IOException.hpp> +#include <com/sun/star/awt/XRequestCallback.hpp> + +#include "platform.h" +#include <comphelper/multicontainer2.hxx> +#include <comphelper/mimeconfighelper.hxx> +#include <comphelper/processfactory.hxx> +#include <comphelper/servicehelper.hxx> +#include <comphelper/windowserrorstring.hxx> +#include <osl/file.hxx> +#include <rtl/ref.hxx> +#include <o3tl/char16_t2wchar_t.hxx> +#include <o3tl/unit_conversion.hxx> +#include <systools/win32/comtools.hxx> +#include <vcl/threadex.hxx> + +#include "graphconvert.hxx" +#include "olecomponent.hxx" +#include "olepersist.hxx" +#include "olewrapclient.hxx" +#include "advisesink.hxx" +#include <oleembobj.hxx> +#include "mtnotification.hxx" +#include <memory> +#include <string> + +using namespace ::com::sun::star; +using namespace ::comphelper; +#define MAX_ENUM_ELE 20 +#define FORMATS_NUM 3 + +typedef std::vector< FORMATETC* > FormatEtcList; + +FORMATETC const pFormatTemplates[FORMATS_NUM] = { + { CF_ENHMETAFILE, nullptr, 0, -1, TYMED_ENHMF }, + { CF_METAFILEPICT, nullptr, 0, -1, TYMED_MFPICT }, + { CF_BITMAP, nullptr, 0, -1, TYMED_GDI } }; + + +struct OleComponentNative_Impl { + sal::systools::COMReference< IUnknown > m_pObj; + sal::systools::COMReference< IOleObject > m_pOleObject; + sal::systools::COMReference< IViewObject2 > m_pViewObject2; + sal::systools::COMReference< IStorage > m_pIStorage; + FormatEtcList m_aFormatsList; + uno::Sequence< datatransfer::DataFlavor > m_aSupportedGraphFormats; + + OleComponentNative_Impl() + { + // TODO: Extend format list + m_aSupportedGraphFormats = { + + datatransfer::DataFlavor( + "application/x-openoffice-emf;windows_formatname=\"Image EMF\"", + "Windows Enhanced Metafile", + cppu::UnoType<uno::Sequence< sal_Int8 >>::get() ), + + datatransfer::DataFlavor( + "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"", + "Windows Metafile", + cppu::UnoType<uno::Sequence< sal_Int8 >>::get() ), + + datatransfer::DataFlavor( + "application/x-openoffice-bitmap;windows_formatname=\"Bitmap\"", + "Bitmap", + cppu::UnoType<uno::Sequence< sal_Int8 >>::get() ), + + datatransfer::DataFlavor( + "image/png", + "PNG", + cppu::UnoType<uno::Sequence< sal_Int8 >>::get() ), + + datatransfer::DataFlavor( + "application/x-openoffice-gdimetafile;windows_formatname=\"GDIMetaFile\"", + "GDIMetafile", + cppu::UnoType<uno::Sequence< sal_Int8 >>::get() ) + }; + } + + bool ConvertDataForFlavor( const STGMEDIUM& aMedium, + const datatransfer::DataFlavor& aFlavor, + uno::Any& aResult ); + + bool GraphicalFlavor( const datatransfer::DataFlavor& aFlavor ); + + uno::Sequence< datatransfer::DataFlavor > GetFlavorsForAspects( sal_uInt32 nSupportedAspects ); +}; + + +static DWORD GetAspectFromFlavor( const datatransfer::DataFlavor& aFlavor ) +{ + if ( aFlavor.MimeType.indexOf( ";Aspect=THUMBNAIL" ) != -1 ) + return DVASPECT_THUMBNAIL; + else if ( aFlavor.MimeType.indexOf( ";Aspect=ICON" ) != -1 ) + return DVASPECT_ICON; + else if ( aFlavor.MimeType.indexOf( ";Aspect=DOCPRINT" ) != -1 ) + return DVASPECT_DOCPRINT; + else + return DVASPECT_CONTENT; +} + + +static OUString GetFlavorSuffixFromAspect( DWORD nAsp ) +{ + OUString aResult; + + if ( nAsp == DVASPECT_THUMBNAIL ) + aResult = ";Aspect=THUMBNAIL"; + else if ( nAsp == DVASPECT_ICON ) + aResult = ";Aspect=ICON"; + else if ( nAsp == DVASPECT_DOCPRINT ) + aResult = ";Aspect=DOCPRINT"; + + // no suffix for DVASPECT_CONTENT + + return aResult; +} + + +static HRESULT OpenIStorageFromURL_Impl( const OUString& aURL, IStorage** ppIStorage ) +{ + OSL_ENSURE( ppIStorage, "The pointer must not be empty!" ); + + OUString aFilePath; + if ( !ppIStorage || ::osl::FileBase::getSystemPathFromFileURL( aURL, aFilePath ) != ::osl::FileBase::E_None ) + throw uno::RuntimeException(); // TODO: something dangerous happened + + return StgOpenStorage( o3tl::toW(aFilePath.getStr()), + nullptr, + STGM_READWRITE | STGM_TRANSACTED, // | STGM_DELETEONRELEASE, + nullptr, + 0, + ppIStorage ); +} + + +bool OleComponentNative_Impl::ConvertDataForFlavor( const STGMEDIUM& aMedium, + const datatransfer::DataFlavor& aFlavor, + uno::Any& aResult ) +{ + bool bAnyIsReady = false; + + // try to convert data from Medium format to specified Flavor format + if ( aFlavor.DataType == cppu::UnoType<uno::Sequence< sal_Int8 >>::get() ) + { + // first the GDI-metafile must be generated + + std::unique_ptr<sal_Int8[]> pBuf; + sal_uInt32 nBufSize = 0; + OUString aFormat; + + if ( aMedium.tymed == TYMED_MFPICT ) // Win Metafile + { + aFormat = "image/x-wmf"; + METAFILEPICT* pMF = static_cast<METAFILEPICT*>(GlobalLock( aMedium.hMetaFilePict )); + if ( pMF ) + { + nBufSize = GetMetaFileBitsEx( pMF->hMF, 0, nullptr ) + 22; + pBuf.reset(new sal_Int8[nBufSize]); + + + // TODO/LATER: the unit size must be calculated correctly + *reinterpret_cast<long*>( pBuf.get() ) = 0x9ac6cdd7L; + *reinterpret_cast<short*>( pBuf.get()+6 ) = SHORT(0); + *reinterpret_cast<short*>( pBuf.get()+8 ) = SHORT(0); + *reinterpret_cast<short*>( pBuf.get()+10 ) = static_cast<SHORT>(pMF->xExt); + *reinterpret_cast<short*>( pBuf.get()+12 ) = static_cast<SHORT>(pMF->yExt); + *reinterpret_cast<short*>( pBuf.get()+14 ) = USHORT(2540); + + + if ( nBufSize && nBufSize == GetMetaFileBitsEx( pMF->hMF, nBufSize - 22, pBuf.get() + 22 ) ) + { + if ( aFlavor.MimeType.matchAsciiL( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"", 57 ) ) + { + aResult <<= uno::Sequence< sal_Int8 >( pBuf.get(), nBufSize ); + bAnyIsReady = true; + } + } + + GlobalUnlock( aMedium.hMetaFilePict ); + } + } + else if ( aMedium.tymed == TYMED_ENHMF ) // Enh Metafile + { + aFormat = "image/x-emf"; + nBufSize = GetEnhMetaFileBits( aMedium.hEnhMetaFile, 0, nullptr ); + pBuf.reset(new sal_Int8[nBufSize]); + if ( nBufSize && nBufSize == GetEnhMetaFileBits( aMedium.hEnhMetaFile, nBufSize, reinterpret_cast<LPBYTE>(pBuf.get()) ) ) + { + if ( aFlavor.MimeType.matchAsciiL( "application/x-openoffice-emf;windows_formatname=\"Image EMF\"", 57 ) ) + { + aResult <<= uno::Sequence< sal_Int8 >( pBuf.get(), nBufSize ); + bAnyIsReady = true; + } + } + } + else if ( aMedium.tymed == TYMED_GDI ) // Bitmap + { + aFormat = "image/x-MS-bmp"; + + // Find out size of buffer: deprecated GetBitmapBits does not have a mode to return + // required buffer size + BITMAP aBmp; + GetObjectW(aMedium.hBitmap, sizeof(aBmp), &aBmp); + nBufSize = aBmp.bmWidthBytes * aBmp.bmHeight; + + pBuf.reset(new sal_Int8[nBufSize]); + if ( nBufSize && nBufSize == sal::static_int_cast< ULONG >( GetBitmapBits( aMedium.hBitmap, nBufSize, pBuf.get() ) ) ) + { + if ( aFlavor.MimeType.matchAsciiL( "application/x-openoffice-bitmap;windows_formatname=\"Bitmap\"", 54 ) ) + { + aResult <<= uno::Sequence< sal_Int8 >( pBuf.get(), nBufSize ); + bAnyIsReady = true; + } + } + } + + if ( pBuf && !bAnyIsReady ) + { + for ( auto const & supportedFormat : std::as_const(m_aSupportedGraphFormats) ) + if ( aFlavor.MimeType.match( supportedFormat.MimeType ) + && aFlavor.DataType == supportedFormat.DataType + && aFlavor.DataType == cppu::UnoType<uno::Sequence< sal_Int8 >>::get() ) + { + bAnyIsReady = ConvertBufferToFormat( pBuf.get(), nBufSize, aFormat, aResult ); + break; + } + } + } + + return bAnyIsReady; +} + + +bool OleComponentNative_Impl::GraphicalFlavor( const datatransfer::DataFlavor& aFlavor ) +{ + // Actually all the required graphical formats must be supported + for ( auto const & supportedFormat : std::as_const(m_aSupportedGraphFormats) ) + if ( aFlavor.MimeType.match( supportedFormat.MimeType ) + && aFlavor.DataType == supportedFormat.DataType ) + return true; + + return false; +} + + +static bool GetClassIDFromSequence_Impl( uno::Sequence< sal_Int8 > const & aSeq, CLSID& aResult ) +{ + if ( aSeq.getLength() == 16 ) + { + aResult.Data1 = ( ( ( ( ( static_cast<sal_uInt8>(aSeq[0]) << 8 ) + static_cast<sal_uInt8>(aSeq[1]) ) << 8 ) + static_cast<sal_uInt8>(aSeq[2]) ) << 8 ) + static_cast<sal_uInt8>(aSeq[3]); + aResult.Data2 = ( static_cast<sal_uInt8>(aSeq[4]) << 8 ) + static_cast<sal_uInt8>(aSeq[5]); + aResult.Data3 = ( static_cast<sal_uInt8>(aSeq[6]) << 8 ) + static_cast<sal_uInt8>(aSeq[7]); + for( int nInd = 0; nInd < 8; nInd++ ) + aResult.Data4[nInd] = static_cast<sal_uInt8>(aSeq[nInd+8]); + + return true; + } + + return false; +} + + +static OUString WinAccToVcl_Impl( const sal_Unicode* pStr ) +{ + OUString aResult; + + if( pStr ) + { + while ( *pStr ) + { + if ( *pStr == '&' ) + { + aResult += "~"; + while( *( ++pStr ) == '&' ); + } + else + { + aResult += OUStringChar( *pStr ); + pStr++; + } + } + } + + return aResult; +} + + +OleComponent::OleComponent( const uno::Reference< uno::XComponentContext >& xContext, OleEmbeddedObject* pUnoOleObject ) +: m_pInterfaceContainer( nullptr ) +, m_bDisposed( false ) +, m_bModified( false ) +, m_pNativeImpl( new OleComponentNative_Impl() ) +, m_pUnoOleObject( pUnoOleObject ) +, m_pOleWrapClientSite( nullptr ) +, m_pImplAdviseSink( nullptr ) +, m_nOLEMiscFlags( 0 ) +, m_nAdvConn( 0 ) +, m_xContext( xContext ) +, m_bOleInitialized( false ) +, m_bWorkaroundActive( false ) +{ + OSL_ENSURE( m_pUnoOleObject, "No owner object is provided!" ); + + HRESULT hr = OleInitialize( nullptr ); + if ( hr == S_OK || hr == S_FALSE ) + m_bOleInitialized = true; + else + { + SAL_WARN("embeddedobj.ole", "OleComponent ctor: OleInitialize() failed with 0x" + << OUString::number(static_cast<sal_uInt32>(hr), 16) << ": " + << WindowsErrorStringFromHRESULT(hr)); + } + + m_pOleWrapClientSite = new OleWrapperClientSite( this ); + m_pOleWrapClientSite->AddRef(); + + m_pImplAdviseSink = new OleWrapperAdviseSink( this ); + m_pImplAdviseSink->AddRef(); + +} + + +OleComponent::~OleComponent() +{ + OSL_ENSURE( !m_pOleWrapClientSite && !m_pImplAdviseSink && !m_pInterfaceContainer && !m_bOleInitialized, + "The object was not closed successfully! DISASTER is possible!" ); + + if ( m_pOleWrapClientSite || m_pImplAdviseSink || m_pInterfaceContainer || m_bOleInitialized ) + { + osl_atomic_increment(&m_refCount); + try { + Dispose(); + } catch( const uno::Exception& ) {} + } + + for (auto const& format : m_pNativeImpl->m_aFormatsList) + { + delete format; + } + m_pNativeImpl->m_aFormatsList.clear(); + + delete m_pNativeImpl; +} + +void OleComponent::Dispose() +{ + if ( m_bDisposed ) + return; + + // Call CloseObject() without m_aMutex locked, since it will call + // IOleObject::Close(), which can call event listeners, which can run on a + // different thread. + CloseObject(); + + osl::MutexGuard aGuard(m_aMutex); + if ( m_pOleWrapClientSite ) + { + m_pOleWrapClientSite->disconnectOleComponent(); + m_pOleWrapClientSite->Release(); + m_pOleWrapClientSite = nullptr; + } + + if ( m_pImplAdviseSink ) + { + m_pImplAdviseSink->disconnectOleComponent(); + m_pImplAdviseSink->Release(); + m_pImplAdviseSink = nullptr; + } + + if ( m_pInterfaceContainer ) + { + lang::EventObject aEvent( static_cast< ::cppu::OWeakObject* >( this ) ); + m_pInterfaceContainer->disposeAndClear( aEvent ); + + delete m_pInterfaceContainer; + m_pInterfaceContainer = nullptr; + } + + if ( m_bOleInitialized ) + { + // since the disposing can happen not only from main thread but also from a clipboard + // the deinitialization might lead to a disaster, SO7 does not deinitialize OLE at all + // so currently the same approach is selected as workaround + // OleUninitialize(); + m_bOleInitialized = false; + } + + m_bDisposed = true; +} + + +void OleComponent::disconnectEmbeddedObject() +{ + // must not be called from destructor of UNO OLE object!!! + osl::MutexGuard aGuard( m_aMutex ); + m_pUnoOleObject = nullptr; +} + + +void OleComponent::CreateNewIStorage_Impl() +{ + // TODO: in future a global memory could be used instead of file. + + // write the stream to the temporary file + OUString aTempURL; + + OSL_ENSURE( m_pUnoOleObject, "Unexpected object absence!" ); + if ( m_pUnoOleObject ) + aTempURL = m_pUnoOleObject->CreateTempURLEmpty_Impl(); + else + aTempURL = GetNewTempFileURL_Impl( m_xContext ); + + if ( !aTempURL.getLength() ) + throw uno::RuntimeException(); // TODO + + // open an IStorage based on the temporary file + OUString aTempFilePath; + if ( ::osl::FileBase::getSystemPathFromFileURL( aTempURL, aTempFilePath ) != ::osl::FileBase::E_None ) + throw uno::RuntimeException(); // TODO: something dangerous happened + + HRESULT hr = StgCreateDocfile( o3tl::toW(aTempFilePath.getStr()), STGM_CREATE | STGM_READWRITE | STGM_TRANSACTED | STGM_DELETEONRELEASE, 0, &m_pNativeImpl->m_pIStorage ); + if ( FAILED( hr ) || !m_pNativeImpl->m_pIStorage ) + throw io::IOException(); // TODO: transport error code? +} + + +uno::Sequence< datatransfer::DataFlavor > OleComponentNative_Impl::GetFlavorsForAspects( sal_uInt32 nSupportedAspects ) +{ + uno::Sequence< datatransfer::DataFlavor > aResult; + for ( sal_uInt32 nAsp = 1; nAsp <= 8; nAsp *= 2 ) + if ( ( nSupportedAspects & nAsp ) == nAsp ) + { + OUString aAspectSuffix = GetFlavorSuffixFromAspect( nAsp ); + + sal_Int32 nLength = aResult.getLength(); + aResult.realloc( nLength + m_aSupportedGraphFormats.getLength() ); + auto pResult = aResult.getArray(); + + for ( sal_Int32 nInd = 0; nInd < m_aSupportedGraphFormats.getLength(); nInd++ ) + { + pResult[nLength + nInd].MimeType = m_aSupportedGraphFormats[nInd].MimeType + aAspectSuffix; + pResult[nLength + nInd].HumanPresentableName = m_aSupportedGraphFormats[nInd].HumanPresentableName; + pResult[nLength + nInd].DataType = m_aSupportedGraphFormats[nInd].DataType; + } + } + + return aResult; +} + + +void OleComponent::RetrieveObjectDataFlavors_Impl() +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + if ( !m_aDataFlavors.getLength() ) + { + sal::systools::COMReference< IDataObject > pDataObject(m_pNativeImpl->m_pObj, sal::systools::COM_QUERY); + if ( pDataObject ) + { + sal::systools::COMReference< IEnumFORMATETC > pFormatEnum; + HRESULT hr = pDataObject->EnumFormatEtc( DATADIR_GET, &pFormatEnum ); + if ( SUCCEEDED( hr ) && pFormatEnum ) + { + FORMATETC pElem[ MAX_ENUM_ELE ]; + ULONG nNum = 0; + + // if it is possible to retrieve at least one supported graphical format for an aspect + // this format can be converted to other supported formats + sal_uInt32 nSupportedAspects = 0; + do + { + HRESULT hr2 = pFormatEnum->Next( MAX_ENUM_ELE, pElem, &nNum ); + if( hr2 == S_OK || hr2 == S_FALSE ) + { + for( sal_uInt32 nInd = 0; nInd < FORMATS_NUM; nInd++ ) + { + if ( pElem[nInd].cfFormat == pFormatTemplates[nInd].cfFormat + && pElem[nInd].tymed == pFormatTemplates[nInd].tymed ) + nSupportedAspects |= pElem[nInd].dwAspect; + } + } + else + break; + } + while( nNum == MAX_ENUM_ELE ); + + m_aDataFlavors = m_pNativeImpl->GetFlavorsForAspects( nSupportedAspects ); + } + } + + if ( !m_aDataFlavors.getLength() ) + { + // TODO: + // for any reason the object could not provide this information + // try to get access to the cached representation + } + } +} + + +bool OleComponent::InitializeObject_Impl() +// There will be no static objects! +{ + if ( !m_pNativeImpl->m_pObj ) + return false; + + // the linked object will be detected here + OSL_ENSURE( m_pUnoOleObject, "Unexpected object absence!" ); + if ( m_pUnoOleObject ) + m_pUnoOleObject->SetObjectIsLink_Impl( m_pNativeImpl->m_pObj.QueryInterface<IOleLink>(sal::systools::COM_QUERY).is() ); + + if ( !m_pNativeImpl->m_pViewObject2.set(m_pNativeImpl->m_pObj, sal::systools::COM_QUERY) ) + return false; + + // remove all the caches + if ( sal::systools::COMReference< IOleCache > pIOleCache{ m_pNativeImpl->m_pObj, sal::systools::COM_QUERY } ) + { + IEnumSTATDATA* pEnumSD = nullptr; + HRESULT hr2 = pIOleCache->EnumCache( &pEnumSD ); + + if ( SUCCEEDED( hr2 ) && pEnumSD ) + { + pEnumSD->Reset(); + STATDATA aSD; + DWORD nNum; + while( SUCCEEDED( pEnumSD->Next( 1, &aSD, &nNum ) ) && nNum == 1 ) + hr2 = pIOleCache->Uncache( aSD.dwConnection ); + } + + // No IDataObject implementation, caching must be used instead + DWORD nConn; + FORMATETC aFormat = { 0, nullptr, DVASPECT_CONTENT, -1, TYMED_MFPICT }; + hr2 = pIOleCache->Cache( &aFormat, ADVFCACHE_ONSAVE, &nConn ); + } + + if ( !m_pNativeImpl->m_pOleObject.set(m_pNativeImpl->m_pObj, sal::systools::COM_QUERY) ) + return false; // Static objects are not supported, they should be inserted as graphics + + m_pNativeImpl->m_pOleObject->GetMiscStatus( DVASPECT_CONTENT, reinterpret_cast<DWORD*>(&m_nOLEMiscFlags) ); + // TODO: use other misc flags also + // the object should have drawable aspect even in case it supports only iconic representation + // if ( m_nOLEMiscFlags & OLEMISC_ONLYICONIC ) + + m_pNativeImpl->m_pOleObject->SetClientSite( m_pOleWrapClientSite ); + + // the only need in this registration is workaround for close notification + m_pNativeImpl->m_pOleObject->Advise( m_pImplAdviseSink, reinterpret_cast<DWORD*>(&m_nAdvConn) ); + m_pNativeImpl->m_pViewObject2->SetAdvise( DVASPECT_CONTENT, 0, m_pImplAdviseSink ); + + OleSetContainedObject( m_pNativeImpl->m_pOleObject, TRUE ); + + return true; +} + +namespace +{ + HRESULT OleLoadSeh(LPSTORAGE pIStorage, LPVOID* ppObj) + { + HRESULT hr = E_FAIL; + // tdf#119039: there is a nasty bug in OleLoad, that may call an unpaired + // IUnknown::Release on pIStorage on STG_E_FILENOTFOUND: see + // https://developercommunity.visualstudio.com/t/10144795 + // Workaround it here to avoid crash in smart COM pointer destructor that + // would try to release already released object. Since we don't know if + // the bug appears each time STG_E_FILENOTFOUND is returned, this might + // potentially leak the storge object. + if (pIStorage) + pIStorage->AddRef(); + + __try { + hr = OleLoad(pIStorage, IID_IUnknown, nullptr, ppObj); + } __except( EXCEPTION_EXECUTE_HANDLER ) { + hr = E_FAIL; + } + if (pIStorage && hr != STG_E_FILENOTFOUND) + pIStorage->Release(); + + return hr; + } +} + +void OleComponent::LoadEmbeddedObject( const OUString& aTempURL ) +{ + if ( !aTempURL.getLength() ) + throw lang::IllegalArgumentException(); // TODO + + if ( m_pNativeImpl->m_pIStorage ) + throw io::IOException(); // TODO the object is already initialized or wrong initialization is done + + // open an IStorage based on the temporary file + HRESULT hr = OpenIStorageFromURL_Impl( aTempURL, &m_pNativeImpl->m_pIStorage ); + + if ( FAILED( hr ) || !m_pNativeImpl->m_pIStorage ) + throw io::IOException(); // TODO: transport error code? + + hr = OleLoadSeh(m_pNativeImpl->m_pIStorage, reinterpret_cast<void**>(&m_pNativeImpl->m_pObj)); + if ( FAILED( hr ) || !m_pNativeImpl->m_pObj ) + { + throw uno::RuntimeException(); + } + + if ( !InitializeObject_Impl() ) + throw uno::RuntimeException(); // TODO +} + + +void OleComponent::CreateObjectFromClipboard() +{ + if ( m_pNativeImpl->m_pIStorage ) + throw io::IOException(); // TODO:the object is already initialized + + CreateNewIStorage_Impl(); + if ( !m_pNativeImpl->m_pIStorage ) + throw uno::RuntimeException(); // TODO + + IDataObject * pDO = nullptr; + HRESULT hr = OleGetClipboard( &pDO ); + if( SUCCEEDED( hr ) && pDO ) + { + hr = OleQueryCreateFromData( pDO ); + if( S_OK == GetScode( hr ) ) + { + hr = OleCreateFromData( pDO, + IID_IUnknown, + OLERENDER_DRAW, // OLERENDER_FORMAT + nullptr, // &aFormat, + nullptr, + m_pNativeImpl->m_pIStorage, + reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) ); + } + else + { + // Static objects are not supported + pDO->Release(); + } + } + + if ( FAILED( hr ) || !m_pNativeImpl->m_pObj ) + throw uno::RuntimeException(); + + if ( !InitializeObject_Impl() ) + throw uno::RuntimeException(); // TODO +} + + +void OleComponent::CreateNewEmbeddedObject( const uno::Sequence< sal_Int8 >& aSeqCLSID ) +{ + CLSID aClsID; + + if ( !GetClassIDFromSequence_Impl( aSeqCLSID, aClsID ) ) + throw lang::IllegalArgumentException(); // TODO + + if ( m_pNativeImpl->m_pIStorage ) + throw io::IOException(); // TODO:the object is already initialized + + CreateNewIStorage_Impl(); + if ( !m_pNativeImpl->m_pIStorage ) + throw uno::RuntimeException(); // TODO + + // FORMATETC aFormat = { CF_METAFILEPICT, NULL, nAspect, -1, TYMED_MFPICT }; // for OLE..._DRAW should be NULL + + HRESULT hr = OleCreate( aClsID, + IID_IUnknown, + OLERENDER_DRAW, // OLERENDER_FORMAT + nullptr, // &aFormat, + nullptr, + m_pNativeImpl->m_pIStorage, + reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) ); + + if ( FAILED( hr ) || !m_pNativeImpl->m_pObj ) + throw uno::RuntimeException(); // TODO + + if ( !InitializeObject_Impl() ) + throw uno::RuntimeException(); // TODO + + // TODO: getExtent??? +} + + +void OleComponent::CreateObjectFromData( const uno::Reference< datatransfer::XTransferable >& ) +// Static objects are not supported, they should be inserted as graphics +{ + // TODO: May be this call is useless since there are no static objects + // and nonstatic objects will be created based on OLEstorage ( stream ). + // ??? + + // OleQueryCreateFromData... +} + + +void OleComponent::CreateObjectFromFile( const OUString& aFileURL ) +{ + if ( m_pNativeImpl->m_pIStorage ) + throw io::IOException(); // TODO:the object is already initialized + + CreateNewIStorage_Impl(); + if ( !m_pNativeImpl->m_pIStorage ) + throw uno::RuntimeException(); // TODO: + + OUString aFilePath; + if ( ::osl::FileBase::getSystemPathFromFileURL( aFileURL, aFilePath ) != ::osl::FileBase::E_None ) + throw uno::RuntimeException(); // TODO: something dangerous happened + + HRESULT hr = OleCreateFromFile( CLSID_NULL, + o3tl::toW(aFilePath.getStr()), + IID_IUnknown, + OLERENDER_DRAW, // OLERENDER_FORMAT + nullptr, + nullptr, + m_pNativeImpl->m_pIStorage, + reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) ); + + if ( FAILED( hr ) || !m_pNativeImpl->m_pObj ) + throw uno::RuntimeException(); // TODO + + if ( !InitializeObject_Impl() ) + throw uno::RuntimeException(); // TODO +} + + +void OleComponent::CreateLinkFromFile( const OUString& aFileURL ) +{ + if ( m_pNativeImpl->m_pIStorage ) + throw io::IOException(); // TODO:the object is already initialized + + CreateNewIStorage_Impl(); + if ( !m_pNativeImpl->m_pIStorage ) + throw uno::RuntimeException(); // TODO: + + OUString aFilePath; + if ( ::osl::FileBase::getSystemPathFromFileURL( aFileURL, aFilePath ) != ::osl::FileBase::E_None ) + throw uno::RuntimeException(); // TODO: something dangerous happened + + HRESULT hr = OleCreateLinkToFile( o3tl::toW(aFilePath.getStr()), + IID_IUnknown, + OLERENDER_DRAW, // OLERENDER_FORMAT + nullptr, + nullptr, + m_pNativeImpl->m_pIStorage, + reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) ); + + if ( FAILED( hr ) || !m_pNativeImpl->m_pObj ) + throw uno::RuntimeException(); // TODO + + if ( !InitializeObject_Impl() ) + throw uno::RuntimeException(); // TODO +} + + +void OleComponent::InitEmbeddedCopyOfLink( rtl::Reference<OleComponent> const & pOleLinkComponent ) +{ + if ( !pOleLinkComponent || !pOleLinkComponent->m_pNativeImpl->m_pObj ) + throw lang::IllegalArgumentException(); // TODO + + if ( m_pNativeImpl->m_pIStorage ) + throw io::IOException(); // TODO:the object is already initialized + + sal::systools::COMReference< IDataObject > pDataObject(pOleLinkComponent->m_pNativeImpl->m_pObj, sal::systools::COM_QUERY); + if ( pDataObject && SUCCEEDED( OleQueryCreateFromData( pDataObject ) ) ) + { + // the object must be already disconnected from the temporary URL + CreateNewIStorage_Impl(); + if ( !m_pNativeImpl->m_pIStorage ) + throw uno::RuntimeException(); // TODO: + + OleCreateFromData( pDataObject, + IID_IUnknown, + OLERENDER_DRAW, + nullptr, + nullptr, + m_pNativeImpl->m_pIStorage, + reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) ); + } + + if ( !m_pNativeImpl->m_pObj ) + { + sal::systools::COMReference< IOleLink > pOleLink(m_pNativeImpl->m_pObj, sal::systools::COM_QUERY); + if ( !pOleLink ) + throw io::IOException(); // TODO: the object doesn't support IOleLink + + sal::systools::COMReference< IMoniker > pMoniker; + HRESULT hr = pOleLink->GetSourceMoniker( &pMoniker ); + if ( FAILED( hr ) || !pMoniker ) + throw io::IOException(); // TODO: can not retrieve moniker + + // In case of file moniker life is easy : ) + DWORD aMonType = 0; + hr = pMoniker->IsSystemMoniker( &aMonType ); + if ( SUCCEEDED( hr ) && aMonType == MKSYS_FILEMONIKER ) + { + sal::systools::COMReference< IMalloc > pMalloc; + hr = CoGetMalloc( 1, &pMalloc ); // if fails there will be a memory leak + OSL_ENSURE(SUCCEEDED(hr) && pMalloc, "CoGetMalloc() failed!"); + + LPOLESTR pOleStr = nullptr; + hr = pOleLink->GetSourceDisplayName( &pOleStr ); + if ( SUCCEEDED( hr ) && pOleStr ) + { + std::wstring aFilePath( pOleStr ); + if ( pMalloc ) + pMalloc->Free( pOleStr ); + + hr = OleCreateFromFile( CLSID_NULL, + aFilePath.c_str(), + IID_IUnknown, + OLERENDER_DRAW, // OLERENDER_FORMAT + nullptr, + nullptr, + m_pNativeImpl->m_pIStorage, + reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) ); + } + } + + // in case of other moniker types the only way is to get storage + if ( !m_pNativeImpl->m_pObj ) + { + sal::systools::COMReference< IBindCtx > pBindCtx; + hr = CreateBindCtx( 0, &pBindCtx ); + if ( SUCCEEDED( hr ) && pBindCtx ) + { + sal::systools::COMReference< IStorage > pObjectStorage; + hr = pMoniker->BindToStorage( pBindCtx, nullptr, IID_IStorage, reinterpret_cast<void**>(&pObjectStorage) ); + if ( SUCCEEDED( hr ) && pObjectStorage ) + { + hr = pObjectStorage->CopyTo( 0, nullptr, nullptr, m_pNativeImpl->m_pIStorage ); + if ( SUCCEEDED( hr ) ) + hr = OleLoadSeh(m_pNativeImpl->m_pIStorage, reinterpret_cast<void**>(&m_pNativeImpl->m_pObj)); + } + } + } + } + + // If object could not be created the only way is to use graphical representation + if ( !m_pNativeImpl->m_pObj ) + throw uno::RuntimeException(); // TODO + + if ( !InitializeObject_Impl() ) + throw uno::RuntimeException(); // TODO +} + + +void OleComponent::RunObject() +{ + OSL_ENSURE( m_pNativeImpl->m_pOleObject, "The pointer can not be set to NULL here!" ); + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + if ( !OleIsRunning( m_pNativeImpl->m_pOleObject ) ) + { + HRESULT hr = OleRun( m_pNativeImpl->m_pObj ); + + if ( FAILED( hr ) ) + { + if ( hr == REGDB_E_CLASSNOTREG ) + throw embed::UnreachableStateException(); // the object server is not installed + else + throw io::IOException(); + } + } +} + + +awt::Size OleComponent::CalculateWithFactor( const awt::Size& aSize, + const awt::Size& aMultiplier, + const awt::Size& aDivisor ) +{ + awt::Size aResult; + + sal_Int64 nWidth = static_cast<sal_Int64>(aSize.Width) * static_cast<sal_Int64>(aMultiplier.Width) / static_cast<sal_Int64>(aDivisor.Width); + sal_Int64 nHeight = static_cast<sal_Int64>(aSize.Height) * static_cast<sal_Int64>(aMultiplier.Height) / static_cast<sal_Int64>(aDivisor.Height); + OSL_ENSURE( nWidth < SAL_MAX_INT32 && nWidth > SAL_MIN_INT32 + && nHeight < SAL_MAX_INT32 && nHeight > SAL_MIN_INT32, + "Unacceptable result size!" ); + + aResult.Width = static_cast<sal_Int32>(nWidth); + aResult.Height = static_cast<sal_Int32>(nHeight); + + return aResult; +} + + +void OleComponent::CloseObject() +{ + if ( m_pNativeImpl->m_pOleObject && OleIsRunning( m_pNativeImpl->m_pOleObject ) ) + m_pNativeImpl->m_pOleObject->Close( OLECLOSE_NOSAVE ); // must be saved before +} + + +uno::Sequence< embed::VerbDescriptor > OleComponent::GetVerbList() +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + if( !m_aVerbList.getLength() ) + { + sal::systools::COMReference< IEnumOLEVERB > pEnum; + if( SUCCEEDED( m_pNativeImpl->m_pOleObject->EnumVerbs( &pEnum ) ) ) + { + OLEVERB szEle[ MAX_ENUM_ELE ]; + ULONG nNum = 0; + sal_Int32 nSeqSize = 0; + + do + { + HRESULT hr = pEnum->Next( MAX_ENUM_ELE, szEle, &nNum ); + if( hr == S_OK || hr == S_FALSE ) + { + m_aVerbList.realloc( nSeqSize += nNum ); + auto pVerbList = m_aVerbList.getArray(); + for( sal_uInt32 nInd = 0; nInd < nNum; nInd++ ) + { + pVerbList[nSeqSize-nNum+nInd].VerbID = szEle[ nInd ].lVerb; + pVerbList[nSeqSize-nNum+nInd].VerbName = WinAccToVcl_Impl( o3tl::toU(szEle[ nInd ].lpszVerbName) ); + pVerbList[nSeqSize-nNum+nInd].VerbFlags = szEle[ nInd ].fuFlags; + pVerbList[nSeqSize-nNum+nInd].VerbAttributes = szEle[ nInd ].grfAttribs; + } + } + else + break; + } + while( nNum == MAX_ENUM_ELE ); + } + } + + return m_aVerbList; +} + + +void OleComponent::ExecuteVerb( sal_Int32 nVerbID ) +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO + + HRESULT hr = OleRun( m_pNativeImpl->m_pOleObject ); + if ( FAILED( hr ) ) + throw io::IOException(); // TODO: a specific exception that transport error code can be thrown here + + // TODO: probably extents should be set here and stored in aRect + // TODO: probably the parent window also should be set + hr = m_pNativeImpl->m_pOleObject->DoVerb( nVerbID, nullptr, m_pOleWrapClientSite, 0, nullptr, nullptr ); + + if ( FAILED( hr ) ) + throw io::IOException(); // TODO +} + + +void OleComponent::SetHostName( const OUString& aEmbDocName ) +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + m_pNativeImpl->m_pOleObject->SetHostNames( L"app name", o3tl::toW( aEmbDocName.getStr() ) ); +} + + +void OleComponent::SetExtent( const awt::Size& aVisAreaSize, sal_Int64 nAspect ) +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + DWORD nMSAspect = static_cast<DWORD>(nAspect); // first 32 bits are for MS aspects + + SIZEL aSize = { aVisAreaSize.Width, aVisAreaSize.Height }; + HRESULT hr = m_pNativeImpl->m_pOleObject->SetExtent( nMSAspect, &aSize ); + + if ( FAILED( hr ) ) + { + // TODO/LATER: is it correct? In future user code probably should be ready for the exception. + // if the object is running but not activated, RPC_E_SERVER_DIED error code is returned by OLE package + // in this case just do nothing + // Also Visio returns E_FAIL on resize if it is in running state + // if ( hr != RPC_E_SERVER_DIED ) + throw io::IOException(); // TODO + } +} + + +awt::Size OleComponent::GetExtent( sal_Int64 nAspect ) +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + DWORD nMSAspect = static_cast<DWORD>(nAspect); // first 32 bits are for MS aspects + awt::Size aSize; + bool bGotSize = false; + + if ( nMSAspect == DVASPECT_CONTENT ) + { + // Try to get the size from the replacement image first + sal::systools::COMReference< IDataObject > pDataObject(m_pNativeImpl->m_pObj, sal::systools::COM_QUERY); + if ( pDataObject ) + { + STGMEDIUM aMedium; + FORMATETC aFormat = pFormatTemplates[1]; // use windows metafile format + aFormat.dwAspect = nMSAspect; + + HRESULT hr = pDataObject->GetData( &aFormat, &aMedium ); + + if (hr == RPC_E_WRONG_THREAD) + { + // Assume that the OLE object was loaded on the main thread. + vcl::solarthread::syncExecute([this, &hr, &pDataObject, &aFormat, &aMedium]() { + // Make sure that the current state is embed::EmbedStates::RUNNING. + RunObject(); + // Now try again on the correct thread. + hr = pDataObject->GetData(&aFormat, &aMedium); + }); + } + + if ( SUCCEEDED( hr ) && aMedium.tymed == TYMED_MFPICT ) // Win Metafile + { + METAFILEPICT* pMF = static_cast<METAFILEPICT*>(GlobalLock( aMedium.hMetaFilePict )); + if ( pMF ) + { + // the object uses 0.01 mm as unit, so the metafile size should be converted to object unit + o3tl::Length eFrom = o3tl::Length::mm100; + switch( pMF->mm ) + { + case MM_HIENGLISH: + eFrom = o3tl::Length::in1000; + break; + + case MM_LOENGLISH: + eFrom = o3tl::Length::in100; + break; + + case MM_LOMETRIC: + eFrom = o3tl::Length::mm10; + break; + + case MM_TWIPS: + eFrom = o3tl::Length::twip; + break; + + case MM_ISOTROPIC: + case MM_ANISOTROPIC: + case MM_HIMETRIC: + // do nothing + break; + } + + sal_Int64 nX = o3tl::convert(abs( pMF->xExt ), eFrom, o3tl::Length::mm100); + sal_Int64 nY = o3tl::convert(abs( pMF->yExt ), eFrom, o3tl::Length::mm100); + if ( nX < SAL_MAX_INT32 && nY < SAL_MAX_INT32 ) + { + aSize.Width = static_cast<sal_Int32>(nX); + aSize.Height = static_cast<sal_Int32>(nY); + bGotSize = true; + } + else + OSL_FAIL( "Unexpected size is provided!" ); + } + } + else if (!SUCCEEDED(hr)) + { + SAL_WARN("embeddedobj.ole", " OleComponent::GetExtent: GetData() failed"); + } + // i113605, to release storage medium + if ( SUCCEEDED( hr ) ) + ::ReleaseStgMedium(&aMedium); + } + } + + if ( !bGotSize ) + throw lang::IllegalArgumentException(); + + return aSize; +} + + +awt::Size OleComponent::GetCachedExtent( sal_Int64 nAspect ) +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + DWORD nMSAspect = static_cast<DWORD>(nAspect); // first 32 bits are for MS aspects + SIZEL aSize; + + HRESULT hr = m_pNativeImpl->m_pViewObject2->GetExtent( nMSAspect, -1, nullptr, &aSize ); + + if ( FAILED( hr ) ) + { + // TODO/LATER: is it correct? + // if there is no appropriate cache for the aspect, OLE_E_BLANK error code is returned + // if ( hr == OLE_E_BLANK ) + // throw lang::IllegalArgumentException(); + //else + // throw io::IOException(); // TODO + + SAL_WARN("embeddedobj.ole", " OleComponent::GetCachedExtent: GetExtent() failed"); + throw lang::IllegalArgumentException(); + } + + return awt::Size( aSize.cx, aSize.cy ); +} + + +awt::Size OleComponent::GetRecommendedExtent( sal_Int64 nAspect ) +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + DWORD nMSAspect = static_cast<DWORD>(nAspect); // first 32 bits are for MS aspects + SIZEL aSize; + HRESULT hr = m_pNativeImpl->m_pOleObject->GetExtent( nMSAspect, &aSize ); + if ( FAILED( hr ) ) + { + SAL_WARN("embeddedobj.ole", " OleComponent::GetRecommendedExtent: GetExtent() failed"); + throw lang::IllegalArgumentException(); + } + + return awt::Size( aSize.cx, aSize.cy ); +} + + +sal_Int64 OleComponent::GetMiscStatus( sal_Int64 nAspect ) +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + DWORD nResult; + m_pNativeImpl->m_pOleObject->GetMiscStatus( static_cast<DWORD>(nAspect), &nResult ); + return static_cast<sal_Int64>(nResult); // first 32 bits are for MS flags +} + + +uno::Sequence< sal_Int8 > OleComponent::GetCLSID() +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + GUID aCLSID; + HRESULT hr = m_pNativeImpl->m_pOleObject->GetUserClassID( &aCLSID ); + if ( FAILED( hr ) ) + throw io::IOException(); // TODO: + + return MimeConfigurationHelper::GetSequenceClassID( aCLSID.Data1, aCLSID.Data2, aCLSID.Data3, + aCLSID.Data4[0], aCLSID.Data4[1], + aCLSID.Data4[2], aCLSID.Data4[3], + aCLSID.Data4[4], aCLSID.Data4[5], + aCLSID.Data4[6], aCLSID.Data4[7] ); +} + + +bool OleComponent::IsDirty() +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + if ( IsWorkaroundActive() ) + return true; + + sal::systools::COMReference< IPersistStorage > pPersistStorage(m_pNativeImpl->m_pObj, sal::systools::COM_QUERY); + if ( !pPersistStorage ) + throw io::IOException(); // TODO + + HRESULT hr = pPersistStorage->IsDirty(); + return ( hr != S_FALSE ); +} + + +void OleComponent::StoreOwnTmpIfNecessary() +{ + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + sal::systools::COMReference< IPersistStorage > pPersistStorage(m_pNativeImpl->m_pObj, sal::systools::COM_QUERY); + if ( !pPersistStorage ) + throw io::IOException(); // TODO + + if ( m_bWorkaroundActive || pPersistStorage->IsDirty() != S_FALSE ) + { + HRESULT hr = OleSave( pPersistStorage, m_pNativeImpl->m_pIStorage, TRUE ); + if ( FAILED( hr ) ) + { + // Till now was required only for AcrobatReader7.0.8 + GUID aCLSID; + hr = m_pNativeImpl->m_pOleObject->GetUserClassID( &aCLSID ); + if ( FAILED( hr ) ) + { + SAL_WARN("embeddedobj.ole", "OleComponent::StoreOwnTmpIfNecessary: GetUserClassID() failed"); + throw io::IOException(); // TODO + } + + hr = WriteClassStg( m_pNativeImpl->m_pIStorage, aCLSID ); + if ( FAILED( hr ) ) + throw io::IOException(); // TODO + + // the result of the following call is not checked because some objects, for example AcrobatReader7.0.8 + // return error even in case the saving was done correctly + hr = pPersistStorage->Save( m_pNativeImpl->m_pIStorage, TRUE ); + + // another workaround for AcrobatReader7.0.8 object, this object might think that it is not changed + // when it has been created from file, although it must be saved + m_bWorkaroundActive = true; + } + + hr = m_pNativeImpl->m_pIStorage->Commit( STGC_DEFAULT ); + if ( FAILED( hr ) ) + throw io::IOException(); // TODO + + hr = pPersistStorage->SaveCompleted( nullptr ); + if ( FAILED( hr ) && hr != E_UNEXPECTED ) + throw io::IOException(); // TODO + + } +} + + +bool OleComponent::SaveObject_Impl() +{ + bool bResult = false; + OleEmbeddedObject* pLockObject = nullptr; + + { + osl::MutexGuard aGuard( m_aMutex ); + if ( m_pUnoOleObject ) + { + pLockObject = m_pUnoOleObject; + pLockObject->acquire(); + } + } + + if ( pLockObject ) + { + bResult = pLockObject->SaveObject_Impl(); + pLockObject->release(); + } + + return bResult; +} + + +bool OleComponent::OnShowWindow_Impl( bool bShow ) +{ + bool bResult = false; + OleEmbeddedObject* pLockObject = nullptr; + + { + osl::MutexGuard aGuard( m_aMutex ); + + if ( m_pUnoOleObject ) + { + pLockObject = m_pUnoOleObject; + pLockObject->acquire(); + } + } + + if ( pLockObject ) + { + bResult = pLockObject->OnShowWindow_Impl( bShow ); + pLockObject->release(); + } + + return bResult; +} + + +void OleComponent::OnViewChange_Impl( sal_uInt32 dwAspect ) +{ + // TODO: check if it is enough or may be saving notifications are required for Visio2000 + ::rtl::Reference< OleEmbeddedObject > xLockObject; + + { + osl::MutexGuard aGuard( m_aMutex ); + if ( m_pUnoOleObject ) + xLockObject = m_pUnoOleObject; + } + + if ( xLockObject.is() ) + { + uno::Reference < awt::XRequestCallback > xRequestCallback( + m_xContext->getServiceManager()->createInstanceWithContext("com.sun.star.awt.AsyncCallback", m_xContext), + uno::UNO_QUERY ); + xRequestCallback->addCallback( new MainThreadNotificationRequest( xLockObject, OLECOMP_ONVIEWCHANGE, dwAspect ), uno::Any() ); + } +} + + +void OleComponent::OnClose_Impl() +{ + ::rtl::Reference< OleEmbeddedObject > xLockObject; + + { + osl::MutexGuard aGuard( m_aMutex ); + if ( m_pUnoOleObject ) + xLockObject = m_pUnoOleObject; + } + + if ( xLockObject.is() ) + { + uno::Reference < awt::XRequestCallback > xRequestCallback( + m_xContext->getServiceManager()->createInstanceWithContext("com.sun.star.awt.AsyncCallback", m_xContext), + uno::UNO_QUERY ); + xRequestCallback->addCallback( new MainThreadNotificationRequest( xLockObject, OLECOMP_ONCLOSE ), uno::Any() ); + } +} + +// XCloseable + +void SAL_CALL OleComponent::close( sal_Bool bDeliverOwnership ) +{ + uno::Reference< uno::XInterface > xSelfHold; + { + osl::MutexGuard aGuard(m_aMutex); + if (m_bDisposed) + throw lang::DisposedException(); // TODO + + xSelfHold.set(static_cast<::cppu::OWeakObject*>(this)); + lang::EventObject aSource(static_cast<::cppu::OWeakObject*>(this)); + + if (m_pInterfaceContainer) + { + comphelper::OInterfaceContainerHelper2* pContainer + = m_pInterfaceContainer->getContainer(cppu::UnoType<util::XCloseListener>::get()); + if (pContainer != nullptr) + { + comphelper::OInterfaceIteratorHelper2 pIterator(*pContainer); + while (pIterator.hasMoreElements()) + { + try + { + static_cast<util::XCloseListener*>(pIterator.next()) + ->queryClosing(aSource, bDeliverOwnership); + } + catch (const uno::RuntimeException&) + { + pIterator.remove(); + } + } + } + + pContainer + = m_pInterfaceContainer->getContainer(cppu::UnoType<util::XCloseListener>::get()); + if (pContainer != nullptr) + { + comphelper::OInterfaceIteratorHelper2 pCloseIterator(*pContainer); + while (pCloseIterator.hasMoreElements()) + { + try + { + static_cast<util::XCloseListener*>(pCloseIterator.next()) + ->notifyClosing(aSource); + } + catch (const uno::RuntimeException&) + { + pCloseIterator.remove(); + } + } + } + } + } + + Dispose(); +} + + +void SAL_CALL OleComponent::addCloseListener( const uno::Reference< util::XCloseListener >& xListener ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( !m_pInterfaceContainer ) + m_pInterfaceContainer = new comphelper::OMultiTypeInterfaceContainerHelper2( m_aMutex ); + + m_pInterfaceContainer->addInterface( cppu::UnoType<util::XCloseListener>::get(), xListener ); +} + + +void SAL_CALL OleComponent::removeCloseListener( const uno::Reference< util::XCloseListener >& xListener ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_pInterfaceContainer ) + m_pInterfaceContainer->removeInterface( cppu::UnoType<util::XCloseListener>::get(), + xListener ); +} + +// XTransferable + +uno::Any SAL_CALL OleComponent::getTransferData( const datatransfer::DataFlavor& aFlavor ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + uno::Any aResult; + bool bSupportedFlavor = false; + + if ( m_pNativeImpl->GraphicalFlavor( aFlavor ) ) + { + DWORD nRequestedAspect = GetAspectFromFlavor( aFlavor ); + // if own icon is set and icon aspect is requested the own icon can be returned directly + + sal::systools::COMReference< IDataObject > pDataObject(m_pNativeImpl->m_pObj, sal::systools::COM_QUERY); + if ( !pDataObject ) + throw io::IOException(); // TODO: transport error code + + // The following optimization does not make much sense currently just because + // only one aspect is supported, and only three formats for the aspect are supported + // and moreover it is not guaranteed that the once returned format will be supported further + // example - i52106 + // TODO/LATER: bring the optimization back when other aspects are supported + + // FORMATETC* pFormatEtc = m_pNativeImpl->GetSupportedFormatForAspect( nRequestedAspect ); + // if ( pFormatEtc ) + // { + // STGMEDIUM aMedium; + // hr = pDataObject->GetData( pFormatEtc, &aMedium ); + // if ( SUCCEEDED( hr ) ) + // bSupportedFlavor = m_pNativeImpl->ConvertDataForFlavor( aMedium, aFlavor, aResult ); + // } + // else + { + // the supported format of the application is still not found, find one + for ( sal_Int32 nInd = 0; nInd < FORMATS_NUM; nInd++ ) + { + STGMEDIUM aMedium; + FORMATETC aFormat = pFormatTemplates[nInd]; + aFormat.dwAspect = nRequestedAspect; + + HRESULT hr = pDataObject->GetData( &aFormat, &aMedium ); + if ( SUCCEEDED( hr ) ) + { + bSupportedFlavor = m_pNativeImpl->ConvertDataForFlavor( aMedium, aFlavor, aResult ); + ::ReleaseStgMedium(&aMedium); // i113605, to release storage medium + if ( bSupportedFlavor ) + { + // TODO/LATER: bring the optimization back when other aspects are supported + // m_pNativeImpl->AddSupportedFormat( aFormat ); + break; + } + } + } + } + + // If the replacement could not be retrieved, the cached representation should be used + // currently it is not necessary to retrieve it here, so it is implemented in the object itself + } + // TODO: Investigate if there is already the format name + // and whether this format is really required + else if ( aFlavor.DataType == cppu::UnoType<io::XInputStream>::get() + && aFlavor.MimeType == "application/x-openoffice-contentstream" ) + { + // allow to retrieve stream-representation of the object persistence + bSupportedFlavor = true; + uno::Reference < io::XStream > xTempFileStream( + io::TempFile::create(m_xContext), + uno::UNO_QUERY_THROW ); + + uno::Reference< io::XOutputStream > xTempOutStream = xTempFileStream->getOutputStream(); + uno::Reference< io::XInputStream > xTempInStream = xTempFileStream->getInputStream(); + if ( !(xTempOutStream.is() && xTempInStream.is()) ) + throw io::IOException(); // TODO: + + OSL_ENSURE( m_pUnoOleObject, "Unexpected object absence!" ); + if ( !m_pUnoOleObject ) + throw uno::RuntimeException(); + + m_pUnoOleObject->StoreObjectToStream( xTempOutStream ); + + xTempOutStream->closeOutput(); + xTempOutStream.clear(); + + aResult <<= xTempInStream; + } + + if ( !bSupportedFlavor ) + throw datatransfer::UnsupportedFlavorException(); + + return aResult; +} + + +uno::Sequence< datatransfer::DataFlavor > SAL_CALL OleComponent::getTransferDataFlavors() +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + RetrieveObjectDataFlavors_Impl(); + + return m_aDataFlavors; +} + + +sal_Bool SAL_CALL OleComponent::isDataFlavorSupported( const datatransfer::DataFlavor& aFlavor ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( !m_pNativeImpl->m_pOleObject ) + throw embed::WrongStateException(); // TODO: the object is in wrong state + + if ( !m_aDataFlavors.getLength() ) + { + RetrieveObjectDataFlavors_Impl(); + } + + for ( auto const & supportedFormat : std::as_const(m_aDataFlavors) ) + if ( supportedFormat.MimeType.equals( aFlavor.MimeType ) && supportedFormat.DataType == aFlavor.DataType ) + return true; + + return false; +} + +void SAL_CALL OleComponent::dispose() +{ + try + { + close( true ); + } + catch ( const uno::Exception& ) + { + } +} + +void SAL_CALL OleComponent::addEventListener( const uno::Reference< lang::XEventListener >& xListener ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( !m_pInterfaceContainer ) + m_pInterfaceContainer = new comphelper::OMultiTypeInterfaceContainerHelper2( m_aMutex ); + + m_pInterfaceContainer->addInterface( cppu::UnoType<lang::XEventListener>::get(), xListener ); +} + + +void SAL_CALL OleComponent::removeEventListener( const uno::Reference< lang::XEventListener >& xListener ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_pInterfaceContainer ) + m_pInterfaceContainer->removeInterface( cppu::UnoType<lang::XEventListener>::get(), + xListener ); +} + +sal_Int64 SAL_CALL OleComponent::getSomething( const css::uno::Sequence< sal_Int8 >& aIdentifier ) +{ + try + { + uno::Sequence < sal_Int8 > aCLSID = GetCLSID(); + if ( MimeConfigurationHelper::ClassIDsEqual( aIdentifier, aCLSID ) ) + return comphelper::getSomething_cast(static_cast<IUnknown*>(m_pNativeImpl->m_pObj)); + + // compatibility hack for old versions: CLSID was used in wrong order (SvGlobalName order) + sal_Int32 nLength = aIdentifier.getLength(); + if ( nLength == 16 ) + { + for ( sal_Int32 n=8; n<16; n++ ) + if ( aIdentifier[n] != aCLSID[n] ) + return 0; + if ( aIdentifier[7] == aCLSID[6] && + aIdentifier[6] == aCLSID[7] && + aIdentifier[5] == aCLSID[4] && + aIdentifier[4] == aCLSID[5] && + aIdentifier[3] == aCLSID[0] && + aIdentifier[2] == aCLSID[1] && + aIdentifier[1] == aCLSID[2] && + aIdentifier[0] == aCLSID[3] ) + return reinterpret_cast<sal_Int64>(static_cast<IUnknown*>(m_pNativeImpl->m_pObj)); + } + } + catch ( const uno::Exception& ) + { + } + + return 0; +} + +sal_Bool SAL_CALL OleComponent::isModified() +{ + return m_bModified; +} + +void SAL_CALL OleComponent::setModified( sal_Bool bModified ) +{ + m_bModified = bModified; + + if ( bModified && m_pInterfaceContainer ) + { + comphelper::OInterfaceContainerHelper2* pContainer = + m_pInterfaceContainer->getContainer( cppu::UnoType<util::XModifyListener>::get()); + if ( pContainer != nullptr ) + { + comphelper::OInterfaceIteratorHelper2 pIterator( *pContainer ); + while ( pIterator.hasMoreElements() ) + { + try + { + lang::EventObject aEvent( static_cast<util::XModifiable*>(this) ); + static_cast<util::XModifyListener*>(pIterator.next())->modified( aEvent ); + } + catch( const uno::RuntimeException& ) + { + pIterator.remove(); + } + } + } + } +} + +void SAL_CALL OleComponent::addModifyListener( const css::uno::Reference < css::util::XModifyListener >& xListener ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( !m_pInterfaceContainer ) + m_pInterfaceContainer = new comphelper::OMultiTypeInterfaceContainerHelper2( m_aMutex ); + + m_pInterfaceContainer->addInterface( cppu::UnoType<util::XModifyListener>::get(), xListener ); +} + +void SAL_CALL OleComponent::removeModifyListener( const css::uno::Reference < css::util::XModifyListener >& xListener) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + if ( m_pInterfaceContainer ) + m_pInterfaceContainer->removeInterface( cppu::UnoType<util::XModifyListener>::get(), + xListener ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |