svx/source/xml/xmleohlp.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_svx.hxx"
  33
  34 #include <stdio.h>
  35 #include <com/sun/star/io/XStream.hpp>
  36 #include <com/sun/star/embed/XTransactedObject.hpp>
  37 #include <com/sun/star/embed/XEmbedObjectCreator.hpp>
  38 #include <com/sun/star/embed/XEmbedObjectFactory.hpp>
  39 #include <com/sun/star/embed/ElementModes.hpp>
  40 #include <com/sun/star/embed/XEmbeddedObject.hpp>
  41 #ifndef _COM_SUN_STAR_EMBED_XEMBED_PERSIST_HPP_
  42 #include <com/sun/star/embed/XEmbedPersist.hpp>
  43 #endif
  44 #include <com/sun/star/embed/EntryInitModes.hpp>
  45 #include <com/sun/star/embed/EmbedStates.hpp>
  46 #include <com/sun/star/embed/Aspects.hpp>
  47 #include <com/sun/star/beans/XPropertySet.hpp>
  48 #include <tools/debug.hxx>
  49 #include <unotools/streamwrap.hxx>
  50 #include <unotools/tempfile.hxx>
  51
  52 #include <svtools/embedhlp.hxx>
  53 #include <unotools/ucbstreamhelper.hxx>
  54 #include <comphelper/processfactory.hxx>
  55 #include <comphelper/storagehelper.hxx>
  56 #include <comphelper/embeddedobjectcontainer.hxx>
  57
  58 #ifndef _SO_CLSIDS_HXX
  59 #include <sot/clsids.hxx>
  60 #endif
  61 #include <map>
  62 #include "xmleohlp.hxx"
  63
  64 // -----------
  65 // - Defines -
  66 // -----------
  67
  68 using namespace ::osl;
  69 using namespace ::cppu;
  70 using namespace ::utl;
  71 using namespace ::com::sun::star;
  72 using namespace ::com::sun::star::document;
  73 using namespace ::com::sun::star::uno;
  74 using namespace ::com::sun::star::container;
  75 using namespace ::com::sun::star::io;
  76 using namespace ::com::sun::star::lang;
  77
  78 #define XML_CONTAINERSTORAGE_NAME_60            "Pictures"
  79 #define XML_CONTAINERSTORAGE_NAME               "ObjectReplacements"
  80 #define XML_EMBEDDEDOBJECT_URL_BASE             "vnd.sun.star.EmbeddedObject:"
  81 #define XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE              "vnd.sun.star.GraphicObject:"
  82
  83 // -----------------------------------------------------------------------------
  84
  85 // -----------------------------------------------------------------------------
  86
  87 class OutputStorageWrapper_Impl : public ::cppu::WeakImplHelper1<XOutputStream>
  88 {
  89     ::osl::Mutex        maMutex;
  90     Reference < XOutputStream > xOut;
  91     TempFile aTempFile;
  92     sal_Bool bStreamClosed : 1;
  93     SvStream* pStream;
  94
  95 public:
  96     OutputStorageWrapper_Impl();
  97     virtual ~OutputStorageWrapper_Impl();
  98
  99 // stario::XOutputStream
 100     virtual void SAL_CALL writeBytes(const Sequence< sal_Int8 >& aData) throw(NotConnectedException, BufferSizeExceededException, RuntimeException);
 101     virtual void SAL_CALL flush() throw(NotConnectedException, BufferSizeExceededException, RuntimeException);
 102     virtual void SAL_CALL closeOutput() throw(NotConnectedException, BufferSizeExceededException, RuntimeException);
 103
 104     SvStream*   GetStream();
 105 };
 106
 107 OutputStorageWrapper_Impl::OutputStorageWrapper_Impl()
 108     : bStreamClosed( sal_False )
 109     , pStream(0)
 110 {
 111     aTempFile.EnableKillingFile();
 112     pStream = aTempFile.GetStream( STREAM_READWRITE );
 113     xOut = new OOutputStreamWrapper( *pStream );
 114 }
 115
 116 OutputStorageWrapper_Impl::~OutputStorageWrapper_Impl()
 117 {
 118 }
 119
 120 SvStream *OutputStorageWrapper_Impl::GetStream()
 121 {
 122     if( bStreamClosed )
 123         return pStream;
 124     return NULL;
 125 }
 126
 127 void SAL_CALL OutputStorageWrapper_Impl::writeBytes(
 128         const Sequence< sal_Int8 >& aData)
 129     throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
 130 {
 131     MutexGuard                  aGuard( maMutex );
 132     xOut->writeBytes( aData );
 133 }
 134
 135 void SAL_CALL OutputStorageWrapper_Impl::flush()
 136     throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
 137 {
 138     MutexGuard                  aGuard( maMutex );
 139     xOut->flush();
 140 }
 141
 142 void SAL_CALL OutputStorageWrapper_Impl::closeOutput()
 143     throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
 144 {
 145     MutexGuard                  aGuard( maMutex );
 146     xOut->closeOutput();
 147     bStreamClosed = sal_True;
 148 }
 149
 150 // -----------------------------------------------------------------------------
 151
 152 struct OUStringLess
 153 {
 154     bool operator() ( const ::rtl::OUString& r1, const ::rtl::OUString& r2 ) const
 155     {
 156         return (r1 < r2) != sal_False;
 157     }
 158 };
 159
 160 // -----------------------------------------------------------------------------
 161
 162 // -----------------------------
 163 // - SvXMLEmbeddedObjectHelper -
 164 // -----------------------------
 165 DBG_NAME(SvXMLEmbeddedObjectHelper)
 166 SvXMLEmbeddedObjectHelper::SvXMLEmbeddedObjectHelper() :
 167     WeakComponentImplHelper2< XEmbeddedObjectResolver, XNameAccess >( maMutex ),
 168     maReplacementGraphicsContainerStorageName( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME) ),
 169     maReplacementGraphicsContainerStorageName60( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME_60) ),
 170     mpDocPersist( 0 ),
 171     meCreateMode( EMBEDDEDOBJECTHELPER_MODE_READ ),
 172     mpStreamMap( 0 )
 173 {
 174     DBG_CTOR(SvXMLEmbeddedObjectHelper,NULL);
 175 }
 176
 177 SvXMLEmbeddedObjectHelper::SvXMLEmbeddedObjectHelper( ::comphelper::IEmbeddedHelper& rDocPersist, SvXMLEmbeddedObjectHelperMode eCreateMode ) :
 178     WeakComponentImplHelper2< XEmbeddedObjectResolver, XNameAccess >( maMutex ),
 179     maReplacementGraphicsContainerStorageName( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME) ),
 180     maReplacementGraphicsContainerStorageName60( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME_60) ),
 181     mpDocPersist( 0 ),
 182     meCreateMode( EMBEDDEDOBJECTHELPER_MODE_READ ),
 183     mpStreamMap( 0 )
 184 {
 185     DBG_CTOR(SvXMLEmbeddedObjectHelper,NULL);
 186     Init( 0, rDocPersist, eCreateMode );
 187 }
 188
 189
 190 // -----------------------------------------------------------------------------
 191
 192 SvXMLEmbeddedObjectHelper::~SvXMLEmbeddedObjectHelper()
 193 {
 194     DBG_DTOR(SvXMLEmbeddedObjectHelper,NULL);
 195     if( mpStreamMap )
 196     {
 197         SvXMLEmbeddedObjectHelper_Impl::iterator aIter = mpStreamMap->begin();
 198         SvXMLEmbeddedObjectHelper_Impl::iterator aEnd = mpStreamMap->end();
 199         for( ; aIter != aEnd; aIter++ )
 200         {
 201             if( aIter->second )
 202             {
 203                 aIter->second->release();
 204                 aIter->second = 0;
 205             }
 206         }
 207     }
 208 }
 209
 210 // -----------------------------------------------------------------------------
 211
 212 void SAL_CALL SvXMLEmbeddedObjectHelper::disposing()
 213 {
 214     Flush();
 215 }
 216
 217 // -----------------------------------------------------------------------------
 218
 219 sal_Bool SvXMLEmbeddedObjectHelper::ImplGetStorageNames(
 220         const ::rtl::OUString& rURLStr,
 221         ::rtl::OUString& rContainerStorageName,
 222         ::rtl::OUString& rObjectStorageName,
 223         sal_Bool bInternalToExternal,
 224         sal_Bool *pGraphicRepl,
 225         sal_Bool *pOasisFormat ) const
 226 {
 227     // internal URL: vnd.sun.star.EmbeddedObject:<object-name>
 228     //                   or: vnd.sun.star.EmbeddedObject:<path>/<object-name>
 229     // internal replacement images:
 230     //                           vnd.sun.star.EmbeddedObjectGraphic:<object-name>
 231     //                   or: vnd.sun.star.EmbeddedObjectGraphic:<path>/<object-name>
 232     // external URL: ./<path>/<object-name>
 233     //                   or: <path>/<object-name>
 234     //                   or: <object-name>
 235     // currently, path may only consist of a single directory name
 236     // it is also possible to have additional arguments at the end of URL: <main URL>[?<name>=<value>[,<name>=<value>]*]
 237
 238     if( pGraphicRepl )
 239         *pGraphicRepl = sal_False;
 240
 241     if( pOasisFormat )
 242         *pOasisFormat = sal_True; // the default value
 243
 244     if( !rURLStr.getLength() )
 245         return sal_False;
 246
 247     // get rid of arguments
 248     sal_Int32 nPos = rURLStr.indexOf( '?' );
 249     ::rtl::OUString aURLNoPar;
 250     if ( nPos == -1 )
 251         aURLNoPar = rURLStr;
 252     else
 253     {
 254         aURLNoPar = rURLStr.copy( 0, nPos );
 255
 256         // check the arguments
 257         nPos++;
 258         while( nPos >= 0 && nPos < rURLStr.getLength() )
 259         {
 260             ::rtl::OUString aToken = rURLStr.getToken( 0, ',', nPos );
 261             if ( aToken.equalsIgnoreAsciiCase( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "oasis=false" ) ) ) )
 262             {
 263                 if ( pOasisFormat )
 264                     *pOasisFormat = sal_False;
 265                 break;
 266             }
 267             else
 268             {
 269                 DBG_ASSERT( sal_False, "invalid arguments was found in URL!" );
 270             }
 271         }
 272     }
 273
 274     if( bInternalToExternal )
 275     {
 276         nPos = aURLNoPar.indexOf( ':' );
 277         if( -1 == nPos )
 278             return sal_False;
 279         sal_Bool bObjUrl =
 280             0 == aURLNoPar.compareToAscii( XML_EMBEDDEDOBJECT_URL_BASE,
 281                                  sizeof( XML_EMBEDDEDOBJECT_URL_BASE ) -1 );
 282         sal_Bool bGrUrl = !bObjUrl &&
 283               0 == aURLNoPar.compareToAscii( XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE,
 284                          sizeof( XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE ) -1 );
 285         if( !(bObjUrl || bGrUrl) )
 286             return sal_False;
 287
 288         sal_Int32 nPathStart = nPos + 1;
 289         nPos = aURLNoPar.lastIndexOf( '/' );
 290         if( -1 == nPos )
 291         {
 292             rContainerStorageName = ::rtl::OUString();
 293             rObjectStorageName = aURLNoPar.copy( nPathStart );
 294         }
 295         else if( nPos > nPathStart )
 296         {
 297             rContainerStorageName = aURLNoPar.copy( nPathStart, nPos-nPathStart);
 298             rObjectStorageName = aURLNoPar.copy( nPos+1 );
 299         }
 300         else
 301             return sal_False;
 302
 303         if( bGrUrl )
 304         {
 305             sal_Bool bOASIS = mxRootStorage.is() &&
 306                 ( SotStorage::GetVersion( mxRootStorage ) > SOFFICE_FILEFORMAT_60 );
 307             rContainerStorageName = bOASIS
 308                     ? maReplacementGraphicsContainerStorageName
 309                     : maReplacementGraphicsContainerStorageName60;
 310
 311             if( pGraphicRepl )
 312                 *pGraphicRepl = sal_True;
 313         }
 314
 315
 316     }
 317     else
 318     {
 319         DBG_ASSERT( '#' != aURLNoPar[0], "invalid object URL" );
 320
 321         sal_Int32 _nPos = aURLNoPar.lastIndexOf( '/' );
 322         if( -1 == _nPos )
 323         {
 324             rContainerStorageName = ::rtl::OUString();
 325             rObjectStorageName = aURLNoPar;
 326         }
 327         else
 328         {
 329             //eliminate 'superfluous' slashes at start and end
 330             //#i103076# load objects with all allowed xlink:href syntaxes
 331             {
 332                 //eliminate './' at start
 333                 sal_Int32 nStart = 0;
 334                 sal_Int32 nCount = aURLNoPar.getLength();
 335                 if( 0 == aURLNoPar.compareToAscii( "./", 2 ) )
 336                 {
 337                     nStart = 2;
 338                     nCount -= 2;
 339                 }
 340
 341                 //eliminate '/' at end
 342                 sal_Int32 nEnd = aURLNoPar.lastIndexOf( '/' );
 343                 if( nEnd == aURLNoPar.getLength()-1 && nEnd != (nStart-1) )
 344                     nCount--;
 345
 346                 aURLNoPar = aURLNoPar.copy( nStart, nCount );
 347             }
 348
 349             _nPos = aURLNoPar.lastIndexOf( '/' );
 350             if( _nPos >= 0 )
 351                 rContainerStorageName = aURLNoPar.copy( 0, _nPos );
 352             rObjectStorageName = aURLNoPar.copy( _nPos+1 );
 353         }
 354     }
 355
 356     if( -1 != rContainerStorageName.indexOf( '/' ) )
 357     {
 358         DBG_ERROR( "SvXMLEmbeddedObjectHelper: invalid path name" );
 359         return sal_False;
 360     }
 361
 362     return sal_True;
 363 }
 364
 365
 366 // -----------------------------------------------------------------------------
 367
 368 uno::Reference < embed::XStorage > SvXMLEmbeddedObjectHelper::ImplGetContainerStorage(
 369         const ::rtl::OUString& rStorageName )
 370 {
 371     DBG_ASSERT( -1 == rStorageName.indexOf( '/' ) &&
 372                 -1 == rStorageName.indexOf( '\\' ),
 373                 "nested embedded storages aren't supported" );
 374     if( !mxContainerStorage.is() ||
 375         ( rStorageName != maCurContainerStorageName ) )
 376     {
 377         if( mxContainerStorage.is() &&
 378             maCurContainerStorageName.getLength() > 0 &&
 379             EMBEDDEDOBJECTHELPER_MODE_WRITE == meCreateMode )
 380         {
 381             uno::Reference < embed::XTransactedObject > xTrans( mxContainerStorage, uno::UNO_QUERY );
 382             if ( xTrans.is() )
 383                 xTrans->commit();
 384         }
 385
 386         if( rStorageName.getLength() > 0 && mxRootStorage.is() )
 387         {
 388             sal_Int32 nMode = EMBEDDEDOBJECTHELPER_MODE_WRITE == meCreateMode
 389                                     ? ::embed::ElementModes::READWRITE
 390                                     : ::embed::ElementModes::READ;
 391             mxContainerStorage = mxRootStorage->openStorageElement( rStorageName,
 392                                                              nMode );
 393         }
 394         else
 395         {
 396             mxContainerStorage = mxRootStorage;
 397         }
 398         maCurContainerStorageName = rStorageName;
 399     }
 400
 401     return mxContainerStorage;
 402 }
 403
 404 // -----------------------------------------------------------------------------
 405
 406 sal_Bool SvXMLEmbeddedObjectHelper::ImplReadObject(
 407         const ::rtl::OUString& rContainerStorageName,
 408         ::rtl::OUString& rObjName,
 409         const SvGlobalName *pClassId,
 410         SvStream* pTemp )
 411 {
 412     (void)pClassId;
 413
 414     uno::Reference < embed::XStorage > xDocStor( mpDocPersist->getStorage() );
 415     uno::Reference < embed::XStorage > xCntnrStor( ImplGetContainerStorage( rContainerStorageName ) );
 416
 417     if( !xCntnrStor.is() && !pTemp )
 418         return sal_False;
 419
 420     String aSrcObjName( rObjName );
 421     comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->getEmbeddedObjectContainer();
 422
 423     // Is the object name unique?
 424     // if the object is already instantiated by GetEmbeddedObject
 425     // that means that the duplication is being loaded
 426     sal_Bool bDuplicate = rContainer.HasInstantiatedEmbeddedObject( rObjName );
 427     DBG_ASSERT( !bDuplicate, "An object in the document is referenced twice!" );
 428
 429     if( xDocStor != xCntnrStor || pTemp || bDuplicate )
 430     {
 431         // TODO/LATER: make this alltogether a method in the EmbeddedObjectContainer
 432
 433         // create a unique name for the duplicate object
 434         if( bDuplicate )
 435             rObjName = rContainer.CreateUniqueObjectName();
 436
 437         if( pTemp )
 438         {
 439             try
 440             {
 441                 pTemp->Seek( 0 );
 442                 uno::Reference < io::XStream > xStm = xDocStor->openStreamElement( rObjName,
 443                         embed::ElementModes::READWRITE | embed::ElementModes::TRUNCATE );
 444                 SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( xStm );
 445                 *pTemp >> *pStream;
 446                 delete pStream;
 447
 448                 // TODO/LATER: what to do when other types of objects are based on substream persistence?
 449                 // This is an ole object
 450                 uno::Reference< beans::XPropertySet > xProps( xStm, uno::UNO_QUERY_THROW );
 451                 xProps->setPropertyValue(
 452                     ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "MediaType" ) ),
 453                     uno::makeAny( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "application/vnd.sun.star.oleobject" ) ) ) );
 454
 455                 xStm->getOutputStream()->closeOutput();
 456             }
 457             catch ( uno::Exception& )
 458             {
 459                 return sal_False;
 460             }
 461         }
 462         else
 463         {
 464             try
 465             {
 466                 xCntnrStor->copyElementTo( aSrcObjName, xDocStor, rObjName );
 467             }
 468             catch ( uno::Exception& )
 469             {
 470                 return sal_False;
 471             }
 472         }
 473     }
 474
 475     // make object known to the container
 476     // TODO/LATER: could be done a little bit more efficient!
 477     ::rtl::OUString aName( rObjName );
 478
 479     // TODO/LATER: The provided pClassId is ignored for now.
 480     //             The stream contains OLE storage internally and this storage already has a class id specifying the
 481     //             server that was used to create the object. pClassId could be used to specify the server that should
 482     //             be used for the next opening, but this information seems to be out of the file format responsibility
 483     //             area.
 484     rContainer.GetEmbeddedObject( aName );
 485
 486     return sal_True;
 487 }
 488
 489 // -----------------------------------------------------------------------------
 490
 491 ::rtl::OUString SvXMLEmbeddedObjectHelper::ImplInsertEmbeddedObjectURL(
 492         const ::rtl::OUString& rURLStr )
 493 {
 494     ::rtl::OUString sRetURL;
 495
 496     ::rtl::OUString     aContainerStorageName, aObjectStorageName;
 497     if( !ImplGetStorageNames( rURLStr, aContainerStorageName,
 498                               aObjectStorageName,
 499                               EMBEDDEDOBJECTHELPER_MODE_WRITE == meCreateMode ) )
 500         return sRetURL;
 501
 502     if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
 503     {
 504         OutputStorageWrapper_Impl *pOut = 0;
 505         SvXMLEmbeddedObjectHelper_Impl::iterator aIter;
 506
 507         if( mpStreamMap )
 508         {
 509             aIter = mpStreamMap->find( rURLStr );
 510             if( aIter != mpStreamMap->end() && aIter->second )
 511                 pOut = aIter->second;
 512         }
 513
 514         SvGlobalName aClassId, *pClassId = 0;
 515         sal_Int32 nPos = aObjectStorageName.lastIndexOf( '!' );
 516         if( -1 != nPos && aClassId.MakeId( aObjectStorageName.copy( nPos+1 ) ) )
 517         {
 518             aObjectStorageName = aObjectStorageName.copy( 0, nPos );
 519             pClassId = &aClassId;
 520         }
 521
 522         ImplReadObject( aContainerStorageName, aObjectStorageName, pClassId, pOut ? pOut->GetStream() : 0 );
 523         sRetURL = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(XML_EMBEDDEDOBJECT_URL_BASE) );
 524         sRetURL += aObjectStorageName;
 525
 526         if( pOut )
 527         {
 528             mpStreamMap->erase( aIter );
 529             pOut->release();
 530         }
 531     }
 532     else
 533     {
 534         // Objects are written using ::comphelper::IEmbeddedHelper::SaveAs
 535         sRetURL = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("./") );
 536         if( aContainerStorageName.getLength() )
 537         {
 538             sRetURL += aContainerStorageName;
 539             sRetURL += ::rtl::OUString( '/' );
 540         }
 541         sRetURL += aObjectStorageName;
 542     }
 543
 544     return sRetURL;
 545 }
 546
 547 // -----------------------------------------------------------------------------
 548
 549 uno::Reference< io::XInputStream > SvXMLEmbeddedObjectHelper::ImplGetReplacementImage(
 550                                             const uno::Reference< embed::XEmbeddedObject >& xObj )
 551 {
 552     uno::Reference< io::XInputStream > xStream;
 553
 554     if( xObj.is() )
 555     {
 556         try
 557         {
 558             sal_Bool bSwitchBackToLoaded = sal_False;
 559             sal_Int32 nCurState = xObj->getCurrentState();
 560             if ( nCurState == embed::EmbedStates::LOADED || nCurState == embed::EmbedStates::RUNNING )
 561             {
 562                 // means that the object is not active
 563                 // copy replacement image from old to new container
 564                 ::rtl::OUString aMediaType;
 565                 xStream = mpDocPersist->getEmbeddedObjectContainer().GetGraphicStream( xObj, &aMediaType );
 566             }
 567
 568             if ( !xStream.is() )
 569             {
 570                 // the image must be regenerated
 571                 // TODO/LATER: another aspect could be used
 572                 if ( nCurState == embed::EmbedStates::LOADED )
 573                     bSwitchBackToLoaded = sal_True;
 574
 575                 ::rtl::OUString aMediaType;
 576                 xStream = svt::EmbeddedObjectRef::GetGraphicReplacementStream(
 577                                                     embed::Aspects::MSOLE_CONTENT,
 578                                                     xObj,
 579                                                     &aMediaType );
 580             }
 581
 582             if ( bSwitchBackToLoaded )
 583                 // switch back to loaded state; that way we have a minimum cache confusion
 584                 xObj->changeState( embed::EmbedStates::LOADED );
 585         }
 586         catch( uno::Exception& )
 587         {}
 588     }
 589
 590     return xStream;
 591 }
 592
 593 // -----------------------------------------------------------------------------
 594
 595 void SvXMLEmbeddedObjectHelper::Init(
 596         const uno::Reference < embed::XStorage >& rRootStorage,
 597         ::comphelper::IEmbeddedHelper& rPersist,
 598         SvXMLEmbeddedObjectHelperMode eCreateMode )
 599 {
 600     mxRootStorage = rRootStorage;
 601     mpDocPersist = &rPersist;
 602     meCreateMode = eCreateMode;
 603 }
 604
 605 // -----------------------------------------------------------------------------
 606
 607 SvXMLEmbeddedObjectHelper* SvXMLEmbeddedObjectHelper::Create(
 608         const uno::Reference < embed::XStorage >& rRootStorage,
 609         ::comphelper::IEmbeddedHelper& rDocPersist,
 610         SvXMLEmbeddedObjectHelperMode eCreateMode,
 611         sal_Bool bDirect )
 612 {
 613     (void)bDirect;
 614
 615     SvXMLEmbeddedObjectHelper* pThis = new SvXMLEmbeddedObjectHelper;
 616
 617     pThis->acquire();
 618     pThis->Init( rRootStorage, rDocPersist, eCreateMode );
 619
 620     return pThis;
 621 }
 622
 623 SvXMLEmbeddedObjectHelper* SvXMLEmbeddedObjectHelper::Create(
 624         ::comphelper::IEmbeddedHelper& rDocPersist,
 625         SvXMLEmbeddedObjectHelperMode eCreateMode )
 626 {
 627     SvXMLEmbeddedObjectHelper* pThis = new SvXMLEmbeddedObjectHelper;
 628
 629     pThis->acquire();
 630     pThis->Init( 0, rDocPersist, eCreateMode );
 631
 632     return pThis;
 633 }
 634
 635 // -----------------------------------------------------------------------------
 636
 637 void SvXMLEmbeddedObjectHelper::Destroy(
 638         SvXMLEmbeddedObjectHelper* pSvXMLEmbeddedObjectHelper )
 639 {
 640     if( pSvXMLEmbeddedObjectHelper )
 641     {
 642         pSvXMLEmbeddedObjectHelper->dispose();
 643         pSvXMLEmbeddedObjectHelper->release();
 644     }
 645 }
 646
 647 // -----------------------------------------------------------------------------
 648
 649 void SvXMLEmbeddedObjectHelper::Flush()
 650 {
 651     if( mxTempStorage.is() )
 652     {
 653         Reference < XComponent > xComp( mxTempStorage, UNO_QUERY );
 654         xComp->dispose();
 655     }
 656 }
 657
 658 // XGraphicObjectResolver: alien objects!
 659 ::rtl::OUString SAL_CALL SvXMLEmbeddedObjectHelper::resolveEmbeddedObjectURL( const ::rtl::OUString& aURL )
 660     throw(RuntimeException)
 661 {
 662     MutexGuard                  aGuard( maMutex );
 663
 664     return ImplInsertEmbeddedObjectURL( aURL );
 665 }
 666
 667 // XNameAccess: alien objects!
 668 Any SAL_CALL SvXMLEmbeddedObjectHelper::getByName(
 669         const ::rtl::OUString& rURLStr )
 670     throw (NoSuchElementException, WrappedTargetException, RuntimeException)
 671 {
 672     MutexGuard                  aGuard( maMutex );
 673     Any aRet;
 674     if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
 675     {
 676         Reference < XOutputStream > xStrm;
 677         if( mpStreamMap )
 678         {
 679             SvXMLEmbeddedObjectHelper_Impl::iterator aIter =
 680                 mpStreamMap->find( rURLStr );
 681             if( aIter != mpStreamMap->end() && aIter->second )
 682                 xStrm = aIter->second;
 683         }
 684         if( !xStrm.is() )
 685         {
 686             OutputStorageWrapper_Impl *pOut = new OutputStorageWrapper_Impl;
 687             pOut->acquire();
 688             if( !mpStreamMap )
 689                 mpStreamMap = new SvXMLEmbeddedObjectHelper_Impl;
 690             (*mpStreamMap)[rURLStr] = pOut;
 691             xStrm = pOut;
 692         }
 693
 694         aRet <<= xStrm;
 695     }
 696     else
 697     {
 698         sal_Bool bGraphicRepl = sal_False;
 699         sal_Bool bOasisFormat = sal_True;
 700         Reference < XInputStream > xStrm;
 701         ::rtl::OUString aContainerStorageName, aObjectStorageName;
 702         if( ImplGetStorageNames( rURLStr, aContainerStorageName,
 703                                  aObjectStorageName,
 704                                  sal_True,
 705                                     &bGraphicRepl,
 706                                  &bOasisFormat ) )
 707         {
 708             try
 709             {
 710                 comphelper::EmbeddedObjectContainer& rContainer =
 711                         mpDocPersist->getEmbeddedObjectContainer();
 712
 713                 Reference < embed::XEmbeddedObject > xObj = rContainer.GetEmbeddedObject( aObjectStorageName );
 714                 DBG_ASSERT( xObj.is(), "Didn't get object" );
 715
 716                 if( xObj.is() )
 717                 {
 718                     if( bGraphicRepl )
 719                     {
 720                         xStrm = ImplGetReplacementImage( xObj );
 721                     }
 722                     else
 723                     {
 724                         Reference < embed::XEmbedPersist > xPersist( xObj, UNO_QUERY );
 725                         if( xPersist.is() )
 726                         {
 727                             if( !mxTempStorage.is() )
 728                                 mxTempStorage =
 729                                     comphelper::OStorageHelper::GetTemporaryStorage();
 730                             Sequence < beans::PropertyValue > aDummy( 0 ), aEmbDescr( 1 );
 731                             aEmbDescr[0].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "StoreVisualReplacement" ) );
 732                                aEmbDescr[0].Value <<= (sal_Bool)(!bOasisFormat);
 733                             if ( !bOasisFormat )
 734                             {
 735                                 ::rtl::OUString aMimeType;
 736                                 uno::Reference< io::XInputStream > xGrInStream = ImplGetReplacementImage( xObj );
 737                                 if ( xGrInStream.is() )
 738                                 {
 739                                     aEmbDescr.realloc( 2 );
 740                                     aEmbDescr[1].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "VisualReplacement" ) );
 741                                     aEmbDescr[1].Value <<= xGrInStream;
 742                                 }
 743                             }
 744
 745                             xPersist->storeToEntry( mxTempStorage, aObjectStorageName,
 746                                                     aDummy, aEmbDescr );
 747                             Reference < io::XStream > xStream =
 748                                 mxTempStorage->openStreamElement(
 749                                                         aObjectStorageName,
 750                                                         embed::ElementModes::READ);
 751                             if( xStream.is() )
 752                                 xStrm = xStream->getInputStream();
 753                         }
 754                     }
 755                 }
 756             }
 757             catch ( uno::Exception& )
 758             {
 759             }
 760         }
 761
 762         aRet <<= xStrm;
 763     }
 764
 765     return aRet;
 766 }
 767
 768 Sequence< ::rtl::OUString > SAL_CALL SvXMLEmbeddedObjectHelper::getElementNames()
 769     throw (RuntimeException)
 770 {
 771     MutexGuard                  aGuard( maMutex );
 772     return Sequence< ::rtl::OUString >(0);
 773 }
 774
 775 sal_Bool SAL_CALL SvXMLEmbeddedObjectHelper::hasByName( const ::rtl::OUString& rURLStr )
 776     throw (RuntimeException)
 777 {
 778     MutexGuard                  aGuard( maMutex );
 779     if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
 780     {
 781         return sal_True;
 782     }
 783     else
 784     {
 785         ::rtl::OUString aContainerStorageName, aObjectStorageName;
 786         if( !ImplGetStorageNames( rURLStr, aContainerStorageName,
 787                                   aObjectStorageName,
 788                                   sal_True ) )
 789             return sal_False;
 790
 791         comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->getEmbeddedObjectContainer();
 792         return aObjectStorageName.getLength() > 0 &&
 793                rContainer.HasEmbeddedObject( aObjectStorageName );
 794     }
 795 }
 796
 797 // XNameAccess
 798 Type SAL_CALL SvXMLEmbeddedObjectHelper::getElementType()
 799     throw (RuntimeException)
 800 {
 801     MutexGuard                  aGuard( maMutex );
 802     if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
 803         return ::getCppuType((const Reference<XOutputStream>*)0);
 804     else
 805         return ::getCppuType((const Reference<XInputStream>*)0);
 806 }
 807
 808 sal_Bool SAL_CALL SvXMLEmbeddedObjectHelper::hasElements()
 809     throw (RuntimeException)
 810 {
 811     MutexGuard                  aGuard( maMutex );
 812     if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
 813     {
 814         return sal_True;
 815     }
 816     else
 817     {
 818         comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->getEmbeddedObjectContainer();
 819         return rContainer.HasEmbeddedObjects();
 820     }
 821 }
 822