/************************************************************************* * * OpenOffice.org - a multi-platform office productivity suite * * $RCSfile: olevisual.cxx,v $ * * $Revision: 1.11 $ * * last change: $Author: obo $ $Date: 2006-01-20 09:52:40 $ * * The Contents of this file are made available subject to * the terms of GNU Lesser General Public License Version 2.1. * * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2005 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * ************************************************************************/ #ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_ #include #endif #ifndef _COM_SUN_STAR_EMBED_EMBEDSTATES_HPP_ #include #endif #ifndef _COM_SUN_STAR_EMBED_EMBEDMAPUNITS_HPP_ #include #endif #ifndef _COM_SUN_STAR_EMBED_EMBEDMISC_HPP_ #include #endif #ifndef _COM_SUN_STAR_IO_XSEEKABLE_HPP_ #include #endif #ifndef _COM_SUN_STAR_EMBED_NOVISUALAREASIZEEXCEPTION_HPP_ #include #endif #include #include #include using namespace ::com::sun::star; uno::Sequence< sal_Int8 > GetSequenceClassID( sal_uInt32 n1, sal_uInt16 n2, sal_uInt16 n3, sal_uInt8 b8, sal_uInt8 b9, sal_uInt8 b10, sal_uInt8 b11, sal_uInt8 b12, sal_uInt8 b13, sal_uInt8 b14, sal_uInt8 b15 ); sal_Bool ClassIDsEqual( const uno::Sequence< sal_Int8 >& aClassID1, const uno::Sequence< sal_Int8 >& aClassID2 ); embed::VisualRepresentation OleEmbeddedObject::GetVisualRepresentationInNativeFormat_Impl( const uno::Reference< io::XStream > xCachedVisRepr ) throw ( uno::Exception ) { embed::VisualRepresentation aVisualRepr; // TODO: detect the format in the future for now use workaround uno::Reference< io::XInputStream > xInStream = xCachedVisRepr->getInputStream(); uno::Reference< io::XSeekable > xSeekable( xCachedVisRepr, uno::UNO_QUERY ); if ( !xInStream.is() || !xSeekable.is() ) throw uno::RuntimeException(); uno::Sequence< sal_Int8 > aSeq( 2 ); xInStream->readBytes( aSeq, 2 ); xSeekable->seek( 0 ); if ( aSeq.getLength() == 2 && aSeq[0] == 'B' && aSeq[1] == 'M' ) { // it's a bitmap aVisualRepr.Flavor = datatransfer::DataFlavor( ::rtl::OUString::createFromAscii( "application/x-openoffice-bitmap;windows_formatname=\"Bitmap\"" ), ::rtl::OUString::createFromAscii( "Bitmap" ), ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) ); } else { // it's a metafile aVisualRepr.Flavor = datatransfer::DataFlavor( ::rtl::OUString::createFromAscii( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ), ::rtl::OUString::createFromAscii( "Windows Metafile" ), ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) ); } sal_Int32 nStreamLength = (sal_Int32)xSeekable->getLength(); uno::Sequence< sal_Int8 > aRepresent( nStreamLength ); xInStream->readBytes( aRepresent, nStreamLength ); aVisualRepr.Data <<= aRepresent; return aVisualRepr; } void SAL_CALL OleEmbeddedObject::setVisualAreaSize( sal_Int64 nAspect, const awt::Size& aSize ) throw ( lang::IllegalArgumentException, embed::WrongStateException, uno::Exception, uno::RuntimeException ) { RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::setVisualAreaSize" ); ::osl::ResettableMutexGuard aGuard( m_aMutex ); if ( m_bDisposed ) throw lang::DisposedException(); // TODO if ( m_nObjectState == -1 ) throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ), uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) ); #ifdef WNT // RECOMPOSE_ON_RESIZE misc flag means that the object has to be switched to running state on resize. // SetExtent() is called only for objects that require it, // it should not be called for MSWord documents to workaround problem i49369 sal_Bool bAllowToSetExtent = ( ( getStatus( nAspect ) & embed::EmbedMisc::MS_EMBED_RECOMPOSEONRESIZE ) && !ClassIDsEqual( m_aClassID, GetSequenceClassID( 0x00020906L, 0x0000, 0x0000, 0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 ) ) ); if ( m_nObjectState == embed::EmbedStates::LOADED && bAllowToSetExtent ) { aGuard.clear(); try { changeState( embed::EmbedStates::RUNNING ); } catch( uno::Exception& ) { OSL_ENSURE( sal_False, "The object should not be resized without activation!\n" ); } aGuard.reset(); } if ( m_pOleComponent && m_nObjectState != embed::EmbedStates::LOADED && bAllowToSetExtent ) { aGuard.clear(); try { m_pOleComponent->SetExtent( aSize, nAspect ); // will throw an exception in case of failure } catch( uno::Exception& ) { // some objects do not allow to set the size even in running state m_bHasSizeToSet = sal_True; } aGuard.reset(); } #endif // cache the values m_bHasCachedSize = sal_True; m_aCachedSize = aSize; m_nCachedAspect = nAspect; } awt::Size SAL_CALL OleEmbeddedObject::getVisualAreaSize( sal_Int64 nAspect ) throw ( lang::IllegalArgumentException, embed::WrongStateException, uno::Exception, uno::RuntimeException ) { RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::getVisualAreaSize" ); ::osl::ResettableMutexGuard aGuard( m_aMutex ); if ( m_bDisposed ) throw lang::DisposedException(); // TODO if ( m_nObjectState == -1 ) throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ), uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) ); #ifdef WNT if ( m_pOleComponent && !m_bHasSizeToSet ) { // the order is following: first ask for the size from IViewObject, than ask for the size from cache, // and then ask for the size from IOleObject ( the result from the last one can be different from // the first one, for example in case of MSWord document ) try { m_aCachedSize = m_pOleComponent->GetExtent( nAspect ); // will throw an exception in case of failure m_nCachedAspect = nAspect; m_bHasCachedSize = sal_True; } catch( lang::IllegalArgumentException& ) { // there is no OLEcache for the aspect // the internal cache will be used, if any if ( !m_bHasCachedSize ) { // there is no internal cache awt::Size aSize; aGuard.clear(); sal_Bool bSuccess = sal_False; if ( getCurrentState() == embed::EmbedStates::LOADED ) { // try to switch the object to RUNNING state and request the value again try { changeState( embed::EmbedStates::RUNNING ); } catch( uno::Exception ) { // if the extent can not be retrieved in the loaded state ( means // IViewObject is not able to provide it ) and there is no cache // and the object can not be switched to running state, throw an exception throw embed::NoVisualAreaSizeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ), uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) ); } try { aSize = m_pOleComponent->GetExtent( nAspect ); // will throw an exception in case of failure bSuccess = sal_True; } catch( uno::Exception& ) { } } if ( !bSuccess ) { // no size from IViewObject is available, object is in running state try { aSize = m_pOleComponent->GetReccomendedExtent( nAspect ); // will throw an exception in case of failure bSuccess = sal_True; } catch( uno::Exception& ) { } } if ( !bSuccess ) throw embed::NoVisualAreaSizeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ), uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) ); aGuard.reset(); m_aCachedSize = aSize; m_nCachedAspect = nAspect; m_bHasCachedSize = sal_True; } else { OSL_ENSURE( nAspect == m_nCachedAspect, "Unexpected aspect is requested!\n" ); } } catch ( uno::Exception& ) { throw embed::NoVisualAreaSizeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ), uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) ); } } else #endif { // return cached value if ( m_bHasCachedSize ) { OSL_ENSURE( nAspect == m_nCachedAspect, "Unexpected aspect is requested!\n" ); } else { throw embed::NoVisualAreaSizeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ), uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) ); } } return m_aCachedSize; } embed::VisualRepresentation SAL_CALL OleEmbeddedObject::getPreferredVisualRepresentation( sal_Int64 nAspect ) throw ( lang::IllegalArgumentException, embed::WrongStateException, uno::Exception, uno::RuntimeException ) { RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::getPreferredVisualRepresentation" ); ::osl::MutexGuard aGuard( m_aMutex ); if ( m_bDisposed ) throw lang::DisposedException(); // TODO // TODO: if the object has cached representation then it should be returned // TODO: if the object has no cached representation and is in loaded state it should switch itself to the running state if ( m_nObjectState == -1 ) throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ), uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) ); embed::VisualRepresentation aVisualRepr; // TODO: in case of different aspects they must be applied to the mediatype and XTransferable must be used if ( !m_xCachedVisualRepresentation.is() && ( !m_bVisReplInitialized || m_bVisReplInStream ) ) { m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream ); SetVisReplInStream( m_xCachedVisualRepresentation.is() ); } if ( m_xCachedVisualRepresentation.is() ) { return GetVisualRepresentationInNativeFormat_Impl( m_xCachedVisualRepresentation ); } #ifdef WNT else if ( m_pOleComponent ) { if ( m_nObjectState == embed::EmbedStates::LOADED ) changeState( embed::EmbedStates::RUNNING ); datatransfer::DataFlavor aDataFlavor( ::rtl::OUString::createFromAscii( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ), ::rtl::OUString::createFromAscii( "Windows Metafile" ), ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) ); aVisualRepr.Data = m_pOleComponent->getTransferData( aDataFlavor ); aVisualRepr.Flavor = aDataFlavor; } #endif else throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ), uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) ); return aVisualRepr; } sal_Int32 SAL_CALL OleEmbeddedObject::getMapUnit( sal_Int64 nAspect ) throw ( uno::Exception, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( m_bDisposed ) throw lang::DisposedException(); // TODO if ( m_nObjectState == -1 ) throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ), uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) ); return embed::EmbedMapUnits::ONE_100TH_MM; }