3bb639ed40
2008/04/01 15:13:50 thb 1.20.26.3: #i85898# Stripping all external header guards 2008/04/01 12:28:52 thb 1.20.26.2: #i85898# Stripping all external header guards 2008/03/31 13:33:20 rt 1.20.26.1: #i87441# Change license header to LPGL v3.
410 lines
17 KiB
C++
410 lines
17 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: olevisual.cxx,v $
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* $Revision: 1.21 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_embeddedobj.hxx"
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#include <com/sun/star/lang/DisposedException.hpp>
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#include <com/sun/star/embed/EmbedStates.hpp>
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#include <com/sun/star/embed/EmbedMapUnits.hpp>
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#include <com/sun/star/embed/EmbedMisc.hpp>
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#include <com/sun/star/embed/Aspects.hpp>
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#include <com/sun/star/io/XSeekable.hpp>
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#include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
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#include <rtl/logfile.hxx>
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#include <oleembobj.hxx>
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#include <olecomponent.hxx>
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#include <comphelper/mimeconfighelper.hxx>
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#include <comphelper/seqstream.hxx>
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using namespace ::com::sun::star;
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using namespace ::comphelper;
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embed::VisualRepresentation OleEmbeddedObject::GetVisualRepresentationInNativeFormat_Impl(
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const uno::Reference< io::XStream > xCachedVisRepr )
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throw ( uno::Exception )
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{
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embed::VisualRepresentation aVisualRepr;
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// TODO: detect the format in the future for now use workaround
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uno::Reference< io::XInputStream > xInStream = xCachedVisRepr->getInputStream();
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uno::Reference< io::XSeekable > xSeekable( xCachedVisRepr, uno::UNO_QUERY );
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if ( !xInStream.is() || !xSeekable.is() )
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throw uno::RuntimeException();
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uno::Sequence< sal_Int8 > aSeq( 2 );
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xInStream->readBytes( aSeq, 2 );
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xSeekable->seek( 0 );
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if ( aSeq.getLength() == 2 && aSeq[0] == 'B' && aSeq[1] == 'M' )
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{
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// it's a bitmap
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aVisualRepr.Flavor = datatransfer::DataFlavor(
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::rtl::OUString::createFromAscii( "application/x-openoffice-bitmap;windows_formatname=\"Bitmap\"" ),
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::rtl::OUString::createFromAscii( "Bitmap" ),
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::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
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}
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else
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{
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// it's a metafile
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aVisualRepr.Flavor = datatransfer::DataFlavor(
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::rtl::OUString::createFromAscii( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ),
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::rtl::OUString::createFromAscii( "Windows Metafile" ),
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::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
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}
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sal_Int32 nStreamLength = (sal_Int32)xSeekable->getLength();
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uno::Sequence< sal_Int8 > aRepresent( nStreamLength );
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xInStream->readBytes( aRepresent, nStreamLength );
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aVisualRepr.Data <<= aRepresent;
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return aVisualRepr;
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}
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void SAL_CALL OleEmbeddedObject::setVisualAreaSize( sal_Int64 nAspect, const awt::Size& aSize )
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throw ( lang::IllegalArgumentException,
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embed::WrongStateException,
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uno::Exception,
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uno::RuntimeException )
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{
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RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::setVisualAreaSize" );
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::osl::ResettableMutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException(); // TODO
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OSL_ENSURE( nAspect != embed::Aspects::MSOLE_ICON, "For iconified objects no graphical replacement is required!\n" );
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if ( nAspect == embed::Aspects::MSOLE_ICON )
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// no representation can be retrieved
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throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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if ( m_nObjectState == -1 )
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throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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#ifdef WNT
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// RECOMPOSE_ON_RESIZE misc flag means that the object has to be switched to running state on resize.
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// SetExtent() is called only for objects that require it,
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// it should not be called for MSWord documents to workaround problem i49369
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// If cached size is not set, that means that this is the size initialization, so there is no need to set the real size
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sal_Bool bAllowToSetExtent =
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( ( getStatus( nAspect ) & embed::EmbedMisc::MS_EMBED_RECOMPOSEONRESIZE )
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&& !MimeConfigurationHelper::ClassIDsEqual( m_aClassID, MimeConfigurationHelper::GetSequenceClassID( 0x00020906L, 0x0000, 0x0000,
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0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 ) )
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&& m_bHasCachedSize );
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if ( m_nObjectState == embed::EmbedStates::LOADED && bAllowToSetExtent )
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{
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aGuard.clear();
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try {
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changeState( embed::EmbedStates::RUNNING );
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}
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catch( uno::Exception& )
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{
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OSL_ENSURE( sal_False, "The object should not be resized without activation!\n" );
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}
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aGuard.reset();
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}
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if ( m_pOleComponent && m_nObjectState != embed::EmbedStates::LOADED && bAllowToSetExtent )
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{
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awt::Size aSizeToSet = aSize;
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aGuard.clear();
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try {
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m_pOleComponent->SetExtent( aSizeToSet, nAspect ); // will throw an exception in case of failure
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m_bHasSizeToSet = sal_False;
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}
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catch( uno::Exception& )
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{
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// some objects do not allow to set the size even in running state
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m_bHasSizeToSet = sal_True;
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m_aSizeToSet = aSizeToSet;
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m_nAspectToSet = nAspect;
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}
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aGuard.reset();
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}
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#endif
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// cache the values
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m_bHasCachedSize = sal_True;
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m_aCachedSize = aSize;
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m_nCachedAspect = nAspect;
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}
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awt::Size SAL_CALL OleEmbeddedObject::getVisualAreaSize( sal_Int64 nAspect )
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throw ( lang::IllegalArgumentException,
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embed::WrongStateException,
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uno::Exception,
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uno::RuntimeException )
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{
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RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::getVisualAreaSize" );
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::osl::ResettableMutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException(); // TODO
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OSL_ENSURE( nAspect != embed::Aspects::MSOLE_ICON, "For iconified objects no graphical replacement is required!\n" );
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if ( nAspect == embed::Aspects::MSOLE_ICON )
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// no representation can be retrieved
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throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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if ( m_nObjectState == -1 )
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throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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awt::Size aResult;
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#ifdef WNT
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// TODO/LATER: Support different aspects
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if ( m_pOleComponent && !m_bHasSizeToSet && nAspect == embed::Aspects::MSOLE_CONTENT )
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{
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try
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{
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// the cached size updated every time the object is stored
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if ( m_bHasCachedSize )
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{
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aResult = m_aCachedSize;
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}
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else
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{
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// there is no internal cache
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awt::Size aSize;
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aGuard.clear();
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sal_Bool bSuccess = sal_False;
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if ( getCurrentState() == embed::EmbedStates::LOADED )
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{
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OSL_ENSURE( sal_False, "Loaded object has no cached size!\n" );
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// try to switch the object to RUNNING state and request the value again
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try {
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changeState( embed::EmbedStates::RUNNING );
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}
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catch( uno::Exception )
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{
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throw embed::NoVisualAreaSizeException(
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::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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}
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}
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try
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{
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// first try to get size using replacement image
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aSize = m_pOleComponent->GetExtent( nAspect ); // will throw an exception in case of failure
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bSuccess = sal_True;
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}
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catch( uno::Exception& )
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{
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}
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if ( !bSuccess )
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{
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try
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{
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// second try the cached replacement image
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aSize = m_pOleComponent->GetCachedExtent( nAspect ); // will throw an exception in case of failure
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bSuccess = sal_True;
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}
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catch( uno::Exception& )
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{
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}
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}
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if ( !bSuccess )
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{
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try
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{
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// third try the size reported by the object
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aSize = m_pOleComponent->GetReccomendedExtent( nAspect ); // will throw an exception in case of failure
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bSuccess = sal_True;
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}
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catch( uno::Exception& )
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{
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}
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}
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if ( !bSuccess )
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throw embed::NoVisualAreaSizeException(
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::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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aGuard.reset();
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m_aCachedSize = aSize;
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m_nCachedAspect = nAspect;
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m_bHasCachedSize = sal_True;
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aResult = m_aCachedSize;
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}
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}
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catch ( embed::NoVisualAreaSizeException& )
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{
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throw;
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}
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catch ( uno::Exception& )
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{
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throw embed::NoVisualAreaSizeException(
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::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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}
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}
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else
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#endif
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{
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// return cached value
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if ( m_bHasCachedSize )
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{
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OSL_ENSURE( nAspect == m_nCachedAspect, "Unexpected aspect is requested!\n" );
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aResult = m_aCachedSize;
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}
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else
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{
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throw embed::NoVisualAreaSizeException(
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::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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}
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}
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return aResult;
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}
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embed::VisualRepresentation SAL_CALL OleEmbeddedObject::getPreferredVisualRepresentation( sal_Int64 nAspect )
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throw ( lang::IllegalArgumentException,
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embed::WrongStateException,
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uno::Exception,
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uno::RuntimeException )
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{
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RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::getPreferredVisualRepresentation" );
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException(); // TODO
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OSL_ENSURE( nAspect != embed::Aspects::MSOLE_ICON, "For iconified objects no graphical replacement is required!\n" );
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if ( nAspect == embed::Aspects::MSOLE_ICON )
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// no representation can be retrieved
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throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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// TODO: if the object has cached representation then it should be returned
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// TODO: if the object has no cached representation and is in loaded state it should switch itself to the running state
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if ( m_nObjectState == -1 )
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throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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embed::VisualRepresentation aVisualRepr;
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// TODO: in case of different aspects they must be applied to the mediatype and XTransferable must be used
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// the cache is used only as a fallback if object is not in loaded state
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if ( !m_xCachedVisualRepresentation.is() && ( !m_bVisReplInitialized || m_bVisReplInStream )
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&& m_nObjectState == embed::EmbedStates::LOADED )
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{
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m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream, sal_True );
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SetVisReplInStream( m_xCachedVisualRepresentation.is() );
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}
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if ( m_xCachedVisualRepresentation.is() )
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{
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return GetVisualRepresentationInNativeFormat_Impl( m_xCachedVisualRepresentation );
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}
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#ifdef WNT
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else if ( m_pOleComponent )
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{
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try
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{
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if ( m_nObjectState == embed::EmbedStates::LOADED )
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changeState( embed::EmbedStates::RUNNING );
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datatransfer::DataFlavor aDataFlavor(
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::rtl::OUString::createFromAscii( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ),
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::rtl::OUString::createFromAscii( "Windows Metafile" ),
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::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
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aVisualRepr.Data = m_pOleComponent->getTransferData( aDataFlavor );
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aVisualRepr.Flavor = aDataFlavor;
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uno::Sequence< sal_Int8 > aVisReplSeq;
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aVisualRepr.Data >>= aVisReplSeq;
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if ( aVisReplSeq.getLength() )
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{
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m_xCachedVisualRepresentation = GetNewFilledTempStream_Impl(
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uno::Reference< io::XInputStream > ( static_cast< io::XInputStream* > (
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new ::comphelper::SequenceInputStream( aVisReplSeq ) ) ) );
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}
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return aVisualRepr;
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}
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catch( uno::Exception& )
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{}
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}
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#endif
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// the cache is used only as a fallback if object is not in loaded state
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if ( !m_xCachedVisualRepresentation.is() && ( !m_bVisReplInitialized || m_bVisReplInStream ) )
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{
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m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream );
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SetVisReplInStream( m_xCachedVisualRepresentation.is() );
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}
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if ( !m_xCachedVisualRepresentation.is() )
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{
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// no representation can be retrieved
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throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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}
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return GetVisualRepresentationInNativeFormat_Impl( m_xCachedVisualRepresentation );
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}
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sal_Int32 SAL_CALL OleEmbeddedObject::getMapUnit( sal_Int64 nAspect )
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throw ( uno::Exception,
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uno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException(); // TODO
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OSL_ENSURE( nAspect != embed::Aspects::MSOLE_ICON, "For iconified objects no graphical replacement is required!\n" );
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if ( nAspect == embed::Aspects::MSOLE_ICON )
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// no representation can be retrieved
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throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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if ( m_nObjectState == -1 )
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throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
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return embed::EmbedMapUnits::ONE_100TH_MM;
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}
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