LCOV - code coverage report
Current view: top level - libreoffice/svtools/source/misc - embedtransfer.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 105 0.0 %
Date: 2012-12-27 Functions: 0 7 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <com/sun/star/embed/XComponentSupplier.hpp>
      21             : #include <com/sun/star/embed/EmbedStates.hpp>
      22             : #include <com/sun/star/embed/XVisualObject.hpp>
      23             : #include <com/sun/star/embed/XEmbedPersist.hpp>
      24             : #include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
      25             : #include <com/sun/star/datatransfer/XTransferable.hpp>
      26             : #include <com/sun/star/embed/Aspects.hpp>
      27             : 
      28             : #include <svtools/embedtransfer.hxx>
      29             : #include <tools/mapunit.hxx>
      30             : #include <vcl/outdev.hxx>
      31             : #include <comphelper/storagehelper.hxx>
      32             : #include <unotools/ucbstreamhelper.hxx>
      33             : #include <unotools/streamwrap.hxx>
      34             : #include <unotools/tempfile.hxx>
      35             : #include <toolkit/helper/vclunohelper.hxx>
      36             : 
      37             : #include <svtools/embedhlp.hxx>
      38             : 
      39             : using namespace ::com::sun::star;
      40             : 
      41           0 : SvEmbedTransferHelper::SvEmbedTransferHelper( const uno::Reference< embed::XEmbeddedObject >& xObj,
      42             :                                                 Graphic* pGraphic,
      43             :                                                 sal_Int64 nAspect )
      44             : : m_xObj( xObj )
      45           0 : , m_pGraphic( pGraphic ? new Graphic( *pGraphic ) : NULL )
      46           0 : , m_nAspect( nAspect )
      47             : {
      48           0 :     if( xObj.is() )
      49             :     {
      50           0 :         TransferableObjectDescriptor aObjDesc;
      51             : 
      52           0 :         FillTransferableObjectDescriptor( aObjDesc, m_xObj, NULL, m_nAspect );
      53           0 :         PrepareOLE( aObjDesc );
      54             :     }
      55           0 : }
      56             : 
      57             : // -----------------------------------------------------------------------------
      58             : 
      59           0 : SvEmbedTransferHelper::~SvEmbedTransferHelper()
      60             : {
      61           0 :     if ( m_pGraphic )
      62             :     {
      63           0 :         delete m_pGraphic;
      64           0 :         m_pGraphic = NULL;
      65             :     }
      66           0 : }
      67             : 
      68             : // -----------------------------------------------------------------------------
      69             : 
      70           0 : void SvEmbedTransferHelper::AddSupportedFormats()
      71             : {
      72           0 :     AddFormat( SOT_FORMATSTR_ID_EMBED_SOURCE );
      73           0 :     AddFormat( SOT_FORMATSTR_ID_OBJECTDESCRIPTOR );
      74           0 :     AddFormat( FORMAT_GDIMETAFILE );
      75           0 : }
      76             : 
      77             : // -----------------------------------------------------------------------------
      78             : 
      79           0 : sal_Bool SvEmbedTransferHelper::GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor )
      80             : {
      81           0 :     sal_Bool bRet = sal_False;
      82             : 
      83           0 :     if( m_xObj.is() )
      84             :     {
      85             :         try
      86             :         {
      87           0 :             sal_uInt32 nFormat = SotExchange::GetFormat( rFlavor );
      88           0 :             if( HasFormat( nFormat ) )
      89             :             {
      90           0 :                 if( nFormat == SOT_FORMATSTR_ID_OBJECTDESCRIPTOR )
      91             :                 {
      92           0 :                     TransferableObjectDescriptor aDesc;
      93           0 :                     FillTransferableObjectDescriptor( aDesc, m_xObj, m_pGraphic, m_nAspect );
      94           0 :                     bRet = SetTransferableObjectDescriptor( aDesc, rFlavor );
      95             :                 }
      96           0 :                 else if( nFormat == SOT_FORMATSTR_ID_EMBED_SOURCE )
      97             :                 {
      98             :                     try
      99             :                     {
     100             :                         // TODO/LATER: Propbably the graphic should be copied here as well
     101             :                         // currently it is handled by the applications
     102           0 :                         utl::TempFile aTmp;
     103           0 :                         aTmp.EnableKillingFile( sal_True );
     104           0 :                         uno::Reference < embed::XEmbedPersist > xPers( m_xObj, uno::UNO_QUERY );
     105           0 :                         if ( xPers.is() )
     106             :                         {
     107           0 :                             uno::Reference < embed::XStorage > xStg = comphelper::OStorageHelper::GetTemporaryStorage();
     108           0 :                             ::rtl::OUString aName( RTL_CONSTASCII_USTRINGPARAM( "Dummy" ));
     109           0 :                             SvStream* pStream = NULL;
     110           0 :                             sal_Bool bDeleteStream = sal_False;
     111           0 :                             uno::Sequence < beans::PropertyValue > aEmpty;
     112           0 :                             xPers->storeToEntry( xStg, aName, aEmpty, aEmpty );
     113           0 :                             if ( xStg->isStreamElement( aName ) )
     114             :                             {
     115           0 :                                 uno::Reference < io::XStream > xStm = xStg->cloneStreamElement( aName );
     116           0 :                                 pStream = utl::UcbStreamHelper::CreateStream( xStm );
     117           0 :                                 bDeleteStream = sal_True;
     118             :                             }
     119             :                             else
     120             :                             {
     121           0 :                                 pStream = aTmp.GetStream( STREAM_STD_READWRITE );
     122           0 :                                 uno::Reference < embed::XStorage > xStor = comphelper::OStorageHelper::GetStorageFromStream( new utl::OStreamWrapper( *pStream ) );
     123           0 :                                 xStg->openStorageElement( aName, embed::ElementModes::READ )->copyToStorage( xStor );
     124             :                             }
     125             : 
     126           0 :                             ::com::sun::star::uno::Any                  aAny;
     127           0 :                             const sal_uInt32                            nLen = pStream->Seek( STREAM_SEEK_TO_END );
     128           0 :                             ::com::sun::star::uno::Sequence< sal_Int8 > aSeq( nLen );
     129             : 
     130           0 :                             pStream->Seek( STREAM_SEEK_TO_BEGIN );
     131           0 :                             pStream->Read( aSeq.getArray(),  nLen );
     132           0 :                             if ( bDeleteStream )
     133           0 :                                 delete pStream;
     134             : 
     135           0 :                             if( ( bRet = ( aSeq.getLength() > 0 ) ) == sal_True )
     136             :                             {
     137           0 :                                 aAny <<= aSeq;
     138           0 :                                 SetAny( aAny, rFlavor );
     139           0 :                             }
     140             :                         }
     141             :                         else
     142             :                         {
     143             :                             //TODO/LATER: how to handle objects without persistance?!
     144           0 :                         }
     145             :                     }
     146           0 :                     catch ( uno::Exception& )
     147             :                     {
     148             :                     }
     149             :                 }
     150           0 :                 else if ( nFormat == FORMAT_GDIMETAFILE && m_pGraphic )
     151             :                 {
     152           0 :                     SvMemoryStream aMemStm( 65535, 65535 );
     153           0 :                     aMemStm.SetVersion( SOFFICE_FILEFORMAT_CURRENT );
     154             : 
     155           0 :                     const GDIMetaFile& aMetaFile = m_pGraphic->GetGDIMetaFile();
     156           0 :                     ((GDIMetaFile*)(&aMetaFile))->Write( aMemStm );
     157           0 :                     uno::Any aAny;
     158           0 :                     aAny <<= uno::Sequence< sal_Int8 >( reinterpret_cast< const sal_Int8* >( aMemStm.GetData() ),
     159           0 :                                                     aMemStm.Seek( STREAM_SEEK_TO_END ) );
     160           0 :                     SetAny( aAny, rFlavor );
     161           0 :                     bRet = sal_True;
     162             :                 }
     163           0 :                 else if ( m_xObj.is() && :: svt::EmbeddedObjectRef::TryRunningState( m_xObj ) )
     164             :                 {
     165           0 :                     uno::Reference< datatransfer::XTransferable > xTransferable( m_xObj->getComponent(), uno::UNO_QUERY );
     166           0 :                     if ( xTransferable.is() )
     167             :                     {
     168           0 :                         uno::Any aAny = xTransferable->getTransferData( rFlavor );
     169           0 :                         SetAny( aAny, rFlavor );
     170           0 :                         bRet = sal_True;
     171           0 :                     }
     172             :                 }
     173             :             }
     174             :         }
     175           0 :         catch( uno::Exception& )
     176             :         {
     177             :             // Error handling?
     178             :         }
     179             :     }
     180             : 
     181           0 :     return bRet;
     182             : }
     183             : 
     184             : // -----------------------------------------------------------------------------
     185             : 
     186           0 : void SvEmbedTransferHelper::ObjectReleased()
     187             : {
     188           0 :     m_xObj = uno::Reference< embed::XEmbeddedObject >();
     189           0 : }
     190             : 
     191           0 : void SvEmbedTransferHelper::FillTransferableObjectDescriptor( TransferableObjectDescriptor& rDesc,
     192             :     const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XEmbeddedObject >& xObj,
     193             :     Graphic* pGraphic,
     194             :     sal_Int64 nAspect )
     195             : {
     196             :     //TODO/LATER: need TypeName to fill it into the Descriptor (will be shown in listbox)
     197           0 :     ::com::sun::star::datatransfer::DataFlavor aFlavor;
     198           0 :     SotExchange::GetFormatDataFlavor( SOT_FORMATSTR_ID_OBJECTDESCRIPTOR, aFlavor );
     199             : 
     200           0 :     rDesc.maClassName = SvGlobalName( xObj->getClassID() );
     201           0 :     rDesc.maTypeName = aFlavor.HumanPresentableName;
     202             : 
     203             :     //TODO/LATER: the aspect size in the descriptor is wrong, unfortunately the stream
     204             :     // representation of the descriptor allows only 4 bytes for the aspect
     205             :     // so for internal transport something different should be found
     206           0 :     rDesc.mnViewAspect = sal::static_int_cast<sal_uInt16>( nAspect );
     207             : 
     208             :     //TODO/LATER: status needs to become sal_Int64
     209           0 :     rDesc.mnOle2Misc = sal::static_int_cast<sal_Int32>(xObj->getStatus( rDesc.mnViewAspect ));
     210             : 
     211           0 :     Size aSize;
     212           0 :     MapMode aMapMode( MAP_100TH_MM );
     213           0 :     if ( nAspect == embed::Aspects::MSOLE_ICON )
     214             :     {
     215           0 :         if ( pGraphic )
     216             :         {
     217           0 :             aMapMode = pGraphic->GetPrefMapMode();
     218           0 :             aSize = pGraphic->GetPrefSize();
     219             :         }
     220             :         else
     221           0 :             aSize = Size( 2500, 2500 );
     222             :     }
     223             :     else
     224             :     {
     225             :         try
     226             :         {
     227           0 :             awt::Size aSz;
     228           0 :             aSz = xObj->getVisualAreaSize( rDesc.mnViewAspect );
     229           0 :             aSize = Size( aSz.Width, aSz.Height );
     230             :         }
     231           0 :         catch( embed::NoVisualAreaSizeException& )
     232             :         {
     233             :             OSL_FAIL( "Can not get visual area size!\n" );
     234           0 :             aSize = Size( 5000, 5000 );
     235             :         }
     236             : 
     237             :         // TODO/LEAN: getMapUnit can switch object to running state
     238           0 :         aMapMode = MapMode( VCLUnoHelper::UnoEmbed2VCLMapUnit( xObj->getMapUnit( rDesc.mnViewAspect ) ) );
     239             :     }
     240             : 
     241           0 :     rDesc.maSize = OutputDevice::LogicToLogic( aSize, aMapMode, MapMode( MAP_100TH_MM ) );
     242           0 :     rDesc.maDragStartPos = Point();
     243           0 :     rDesc.maDisplayName = String();
     244           0 :     rDesc.mbCanLink = sal_False;
     245           0 : }
     246             : 
     247             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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