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2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
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11 * http://www.apache.org/licenses/LICENSE-2.0
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21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svx.hxx"
26
27 #include <stdio.h>
28 #include <com/sun/star/io/XStream.hpp>
29 #include <com/sun/star/embed/XTransactedObject.hpp>
30 #include <com/sun/star/embed/XEmbedObjectCreator.hpp>
31 #include <com/sun/star/embed/XEmbedObjectFactory.hpp>
32 #include <com/sun/star/embed/ElementModes.hpp>
33 #include <com/sun/star/embed/XEmbeddedObject.hpp>
34 #ifndef _COM_SUN_STAR_EMBED_XEMBED_PERSIST_HPP_
35 #include <com/sun/star/embed/XEmbedPersist.hpp>
36 #endif
37 #include <com/sun/star/embed/EntryInitModes.hpp>
38 #include <com/sun/star/embed/EmbedStates.hpp>
39 #include <com/sun/star/embed/Aspects.hpp>
40 #include <com/sun/star/beans/XPropertySet.hpp>
41 #include <tools/debug.hxx>
42 #include <unotools/streamwrap.hxx>
43 #include <unotools/tempfile.hxx>
44
45 #include <svtools/embedhlp.hxx>
46 #include <unotools/ucbstreamhelper.hxx>
47 #include <comphelper/processfactory.hxx>
48 #include <comphelper/storagehelper.hxx>
49 #include <comphelper/embeddedobjectcontainer.hxx>
50
51 #ifndef _SO_CLSIDS_HXX
52 #include <sot/clsids.hxx>
53 #endif
54 #include <map>
55 #include "svx/xmleohlp.hxx"
56
57 // -----------
58 // - Defines -
59 // -----------
60
61 using namespace ::osl;
62 using namespace ::cppu;
63 using namespace ::utl;
64 using namespace ::com::sun::star;
65 using namespace ::com::sun::star::document;
66 using namespace ::com::sun::star::uno;
67 using namespace ::com::sun::star::container;
68 using namespace ::com::sun::star::io;
69 using namespace ::com::sun::star::lang;
70
71 #define XML_CONTAINERSTORAGE_NAME_60 "Pictures"
72 #define XML_CONTAINERSTORAGE_NAME "ObjectReplacements"
73 #define XML_EMBEDDEDOBJECT_URL_BASE "vnd.sun.star.EmbeddedObject:"
74 #define XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE "vnd.sun.star.GraphicObject:"
75
76 // -----------------------------------------------------------------------------
77
78 // -----------------------------------------------------------------------------
79
80 class OutputStorageWrapper_Impl : public ::cppu::WeakImplHelper1<XOutputStream>
81 {
82 ::osl::Mutex maMutex;
83 Reference < XOutputStream > xOut;
84 TempFile aTempFile;
85 sal_Bool bStreamClosed : 1;
86 SvStream* pStream;
87
88 public:
89 OutputStorageWrapper_Impl();
90 virtual ~OutputStorageWrapper_Impl();
91
92 // stario::XOutputStream
93 virtual void SAL_CALL writeBytes(const Sequence< sal_Int8 >& aData) throw(NotConnectedException, BufferSizeExceededException, RuntimeException);
94 virtual void SAL_CALL flush() throw(NotConnectedException, BufferSizeExceededException, RuntimeException);
95 virtual void SAL_CALL closeOutput() throw(NotConnectedException, BufferSizeExceededException, RuntimeException);
96
97 SvStream* GetStream();
98 };
99
OutputStorageWrapper_Impl()100 OutputStorageWrapper_Impl::OutputStorageWrapper_Impl()
101 : bStreamClosed( sal_False )
102 , pStream(0)
103 {
104 aTempFile.EnableKillingFile();
105 pStream = aTempFile.GetStream( STREAM_READWRITE );
106 xOut = new OOutputStreamWrapper( *pStream );
107 }
108
~OutputStorageWrapper_Impl()109 OutputStorageWrapper_Impl::~OutputStorageWrapper_Impl()
110 {
111 }
112
GetStream()113 SvStream *OutputStorageWrapper_Impl::GetStream()
114 {
115 if( bStreamClosed )
116 return pStream;
117 return NULL;
118 }
119
writeBytes(const Sequence<sal_Int8> & aData)120 void SAL_CALL OutputStorageWrapper_Impl::writeBytes(
121 const Sequence< sal_Int8 >& aData)
122 throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
123 {
124 MutexGuard aGuard( maMutex );
125 xOut->writeBytes( aData );
126 }
127
flush()128 void SAL_CALL OutputStorageWrapper_Impl::flush()
129 throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
130 {
131 MutexGuard aGuard( maMutex );
132 xOut->flush();
133 }
134
closeOutput()135 void SAL_CALL OutputStorageWrapper_Impl::closeOutput()
136 throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
137 {
138 MutexGuard aGuard( maMutex );
139 xOut->closeOutput();
140 bStreamClosed = sal_True;
141 }
142
143 // -----------------------------------------------------------------------------
144
145 struct OUStringLess
146 {
operator ()OUStringLess147 bool operator() ( const ::rtl::OUString& r1, const ::rtl::OUString& r2 ) const
148 {
149 return (r1 < r2) != sal_False;
150 }
151 };
152
153 // -----------------------------------------------------------------------------
154
155 // -----------------------------
156 // - SvXMLEmbeddedObjectHelper -
157 // -----------------------------
DBG_NAME(SvXMLEmbeddedObjectHelper)158 DBG_NAME(SvXMLEmbeddedObjectHelper)
159 SvXMLEmbeddedObjectHelper::SvXMLEmbeddedObjectHelper() :
160 WeakComponentImplHelper2< XEmbeddedObjectResolver, XNameAccess >( maMutex ),
161 maReplacementGraphicsContainerStorageName( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME) ),
162 maReplacementGraphicsContainerStorageName60( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME_60) ),
163 mpDocPersist( 0 ),
164 meCreateMode( EMBEDDEDOBJECTHELPER_MODE_READ ),
165 mpStreamMap( 0 )
166 {
167 DBG_CTOR(SvXMLEmbeddedObjectHelper,NULL);
168 }
169
SvXMLEmbeddedObjectHelper(::comphelper::IEmbeddedHelper & rDocPersist,SvXMLEmbeddedObjectHelperMode eCreateMode)170 SvXMLEmbeddedObjectHelper::SvXMLEmbeddedObjectHelper( ::comphelper::IEmbeddedHelper& rDocPersist, SvXMLEmbeddedObjectHelperMode eCreateMode ) :
171 WeakComponentImplHelper2< XEmbeddedObjectResolver, XNameAccess >( maMutex ),
172 maReplacementGraphicsContainerStorageName( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME) ),
173 maReplacementGraphicsContainerStorageName60( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME_60) ),
174 mpDocPersist( 0 ),
175 meCreateMode( EMBEDDEDOBJECTHELPER_MODE_READ ),
176 mpStreamMap( 0 )
177 {
178 DBG_CTOR(SvXMLEmbeddedObjectHelper,NULL);
179 Init( 0, rDocPersist, eCreateMode );
180 }
181
182
183 // -----------------------------------------------------------------------------
184
~SvXMLEmbeddedObjectHelper()185 SvXMLEmbeddedObjectHelper::~SvXMLEmbeddedObjectHelper()
186 {
187 DBG_DTOR(SvXMLEmbeddedObjectHelper,NULL);
188 if( mpStreamMap )
189 {
190 SvXMLEmbeddedObjectHelper_Impl::iterator aIter = mpStreamMap->begin();
191 SvXMLEmbeddedObjectHelper_Impl::iterator aEnd = mpStreamMap->end();
192 for( ; aIter != aEnd; aIter++ )
193 {
194 if( aIter->second )
195 {
196 aIter->second->release();
197 aIter->second = 0;
198 }
199 }
200 }
201 }
202
203 // -----------------------------------------------------------------------------
204
disposing()205 void SAL_CALL SvXMLEmbeddedObjectHelper::disposing()
206 {
207 Flush();
208 }
209
210 // -----------------------------------------------------------------------------
211
ImplGetStorageNames(const::rtl::OUString & rURLStr,::rtl::OUString & rContainerStorageName,::rtl::OUString & rObjectStorageName,sal_Bool bInternalToExternal,sal_Bool * pGraphicRepl,sal_Bool * pOasisFormat) const212 sal_Bool SvXMLEmbeddedObjectHelper::ImplGetStorageNames(
213 const ::rtl::OUString& rURLStr,
214 ::rtl::OUString& rContainerStorageName,
215 ::rtl::OUString& rObjectStorageName,
216 sal_Bool bInternalToExternal,
217 sal_Bool *pGraphicRepl,
218 sal_Bool *pOasisFormat ) const
219 {
220 // internal URL: vnd.sun.star.EmbeddedObject:<object-name>
221 // or: vnd.sun.star.EmbeddedObject:<path>/<object-name>
222 // internal replacement images:
223 // vnd.sun.star.EmbeddedObjectGraphic:<object-name>
224 // or: vnd.sun.star.EmbeddedObjectGraphic:<path>/<object-name>
225 // external URL: ./<path>/<object-name>
226 // or: <path>/<object-name>
227 // or: <object-name>
228 // currently, path may only consist of a single directory name
229 // it is also possible to have additional arguments at the end of URL: <main URL>[?<name>=<value>[,<name>=<value>]*]
230
231 if( pGraphicRepl )
232 *pGraphicRepl = sal_False;
233
234 if( pOasisFormat )
235 *pOasisFormat = sal_True; // the default value
236
237 if( !rURLStr.getLength() )
238 return sal_False;
239
240 // get rid of arguments
241 sal_Int32 nPos = rURLStr.indexOf( '?' );
242 ::rtl::OUString aURLNoPar;
243 if ( nPos == -1 )
244 aURLNoPar = rURLStr;
245 else
246 {
247 aURLNoPar = rURLStr.copy( 0, nPos );
248
249 // check the arguments
250 nPos++;
251 while( nPos >= 0 && nPos < rURLStr.getLength() )
252 {
253 ::rtl::OUString aToken = rURLStr.getToken( 0, ',', nPos );
254 if ( aToken.equalsIgnoreAsciiCase( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "oasis=false" ) ) ) )
255 {
256 if ( pOasisFormat )
257 *pOasisFormat = sal_False;
258 break;
259 }
260 else
261 {
262 DBG_ASSERT( sal_False, "invalid arguments was found in URL!" );
263 }
264 }
265 }
266
267 if( bInternalToExternal )
268 {
269 nPos = aURLNoPar.indexOf( ':' );
270 if( -1 == nPos )
271 return sal_False;
272 sal_Bool bObjUrl =
273 0 == aURLNoPar.compareToAscii( XML_EMBEDDEDOBJECT_URL_BASE,
274 sizeof( XML_EMBEDDEDOBJECT_URL_BASE ) -1 );
275 sal_Bool bGrUrl = !bObjUrl &&
276 0 == aURLNoPar.compareToAscii( XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE,
277 sizeof( XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE ) -1 );
278 if( !(bObjUrl || bGrUrl) )
279 return sal_False;
280
281 sal_Int32 nPathStart = nPos + 1;
282 nPos = aURLNoPar.lastIndexOf( '/' );
283 if( -1 == nPos )
284 {
285 rContainerStorageName = ::rtl::OUString();
286 rObjectStorageName = aURLNoPar.copy( nPathStart );
287 }
288 else if( nPos > nPathStart )
289 {
290 rContainerStorageName = aURLNoPar.copy( nPathStart, nPos-nPathStart);
291 rObjectStorageName = aURLNoPar.copy( nPos+1 );
292 }
293 else
294 return sal_False;
295
296 if( bGrUrl )
297 {
298 sal_Bool bOASIS = mxRootStorage.is() &&
299 ( SotStorage::GetVersion( mxRootStorage ) > SOFFICE_FILEFORMAT_60 );
300 rContainerStorageName = bOASIS
301 ? maReplacementGraphicsContainerStorageName
302 : maReplacementGraphicsContainerStorageName60;
303
304 if( pGraphicRepl )
305 *pGraphicRepl = sal_True;
306 }
307
308
309 }
310 else
311 {
312 DBG_ASSERT( '#' != aURLNoPar[0], "invalid object URL" );
313
314 sal_Int32 _nPos = aURLNoPar.lastIndexOf( '/' );
315 if( -1 == _nPos )
316 {
317 rContainerStorageName = ::rtl::OUString();
318 rObjectStorageName = aURLNoPar;
319 }
320 else
321 {
322 //eliminate 'superfluous' slashes at start and end
323 //#i103076# load objects with all allowed xlink:href syntaxes
324 {
325 //eliminate './' at start
326 sal_Int32 nStart = 0;
327 sal_Int32 nCount = aURLNoPar.getLength();
328 if( 0 == aURLNoPar.compareToAscii( "./", 2 ) )
329 {
330 nStart = 2;
331 nCount -= 2;
332 }
333
334 //eliminate '/' at end
335 sal_Int32 nEnd = aURLNoPar.lastIndexOf( '/' );
336 if( nEnd == aURLNoPar.getLength()-1 && nEnd != (nStart-1) )
337 nCount--;
338
339 aURLNoPar = aURLNoPar.copy( nStart, nCount );
340 }
341
342 _nPos = aURLNoPar.lastIndexOf( '/' );
343 if( _nPos >= 0 )
344 rContainerStorageName = aURLNoPar.copy( 0, _nPos );
345 rObjectStorageName = aURLNoPar.copy( _nPos+1 );
346 }
347 }
348
349 if( -1 != rContainerStorageName.indexOf( '/' ) )
350 {
351 DBG_ERROR( "SvXMLEmbeddedObjectHelper: invalid path name" );
352 return sal_False;
353 }
354
355 return sal_True;
356 }
357
358
359 // -----------------------------------------------------------------------------
360
ImplGetContainerStorage(const::rtl::OUString & rStorageName)361 uno::Reference < embed::XStorage > SvXMLEmbeddedObjectHelper::ImplGetContainerStorage(
362 const ::rtl::OUString& rStorageName )
363 {
364 DBG_ASSERT( -1 == rStorageName.indexOf( '/' ) &&
365 -1 == rStorageName.indexOf( '\\' ),
366 "nested embedded storages aren't supported" );
367 if( !mxContainerStorage.is() ||
368 ( rStorageName != maCurContainerStorageName ) )
369 {
370 if( mxContainerStorage.is() &&
371 maCurContainerStorageName.getLength() > 0 &&
372 EMBEDDEDOBJECTHELPER_MODE_WRITE == meCreateMode )
373 {
374 uno::Reference < embed::XTransactedObject > xTrans( mxContainerStorage, uno::UNO_QUERY );
375 if ( xTrans.is() )
376 xTrans->commit();
377 }
378
379 if( rStorageName.getLength() > 0 && mxRootStorage.is() )
380 {
381 sal_Int32 nMode = EMBEDDEDOBJECTHELPER_MODE_WRITE == meCreateMode
382 ? ::embed::ElementModes::READWRITE
383 : ::embed::ElementModes::READ;
384 mxContainerStorage = mxRootStorage->openStorageElement( rStorageName,
385 nMode );
386 }
387 else
388 {
389 mxContainerStorage = mxRootStorage;
390 }
391 maCurContainerStorageName = rStorageName;
392 }
393
394 return mxContainerStorage;
395 }
396
397 // -----------------------------------------------------------------------------
398
ImplReadObject(const::rtl::OUString & rContainerStorageName,::rtl::OUString & rObjName,const SvGlobalName * pClassId,SvStream * pTemp)399 sal_Bool SvXMLEmbeddedObjectHelper::ImplReadObject(
400 const ::rtl::OUString& rContainerStorageName,
401 ::rtl::OUString& rObjName,
402 const SvGlobalName *pClassId,
403 SvStream* pTemp )
404 {
405 (void)pClassId;
406
407 uno::Reference < embed::XStorage > xDocStor( mpDocPersist->getStorage() );
408 uno::Reference < embed::XStorage > xCntnrStor( ImplGetContainerStorage( rContainerStorageName ) );
409
410 if( !xCntnrStor.is() && !pTemp )
411 return sal_False;
412
413 String aSrcObjName( rObjName );
414 comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->getEmbeddedObjectContainer();
415
416 // Is the object name unique?
417 // if the object is already instantiated by GetEmbeddedObject
418 // that means that the duplication is being loaded
419 sal_Bool bDuplicate = rContainer.HasInstantiatedEmbeddedObject( rObjName );
420 DBG_ASSERT( !bDuplicate, "An object in the document is referenced twice!" );
421
422 if( xDocStor != xCntnrStor || pTemp || bDuplicate )
423 {
424 // TODO/LATER: make this altogether a method in the EmbeddedObjectContainer
425
426 // create a unique name for the duplicate object
427 if( bDuplicate )
428 rObjName = rContainer.CreateUniqueObjectName();
429
430 if( pTemp )
431 {
432 try
433 {
434 pTemp->Seek( 0 );
435 uno::Reference < io::XStream > xStm = xDocStor->openStreamElement( rObjName,
436 embed::ElementModes::READWRITE | embed::ElementModes::TRUNCATE );
437 SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( xStm );
438 *pTemp >> *pStream;
439 delete pStream;
440
441 // TODO/LATER: what to do when other types of objects are based on substream persistence?
442 // This is an ole object
443 uno::Reference< beans::XPropertySet > xProps( xStm, uno::UNO_QUERY_THROW );
444 xProps->setPropertyValue(
445 ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "MediaType" ) ),
446 uno::makeAny( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "application/vnd.sun.star.oleobject" ) ) ) );
447
448 xStm->getOutputStream()->closeOutput();
449 }
450 catch ( uno::Exception& )
451 {
452 return sal_False;
453 }
454 }
455 else
456 {
457 try
458 {
459 xCntnrStor->copyElementTo( aSrcObjName, xDocStor, rObjName );
460 }
461 catch ( uno::Exception& )
462 {
463 return sal_False;
464 }
465 }
466 }
467
468 // make object known to the container
469 // TODO/LATER: could be done a little bit more efficient!
470 ::rtl::OUString aName( rObjName );
471
472 // TODO/LATER: The provided pClassId is ignored for now.
473 // The stream contains OLE storage internally and this storage already has a class id specifying the
474 // server that was used to create the object. pClassId could be used to specify the server that should
475 // be used for the next opening, but this information seems to be out of the file format responsibility
476 // area.
477 rContainer.GetEmbeddedObject( aName );
478
479 return sal_True;
480 }
481
482 // -----------------------------------------------------------------------------
483
ImplInsertEmbeddedObjectURL(const::rtl::OUString & rURLStr)484 ::rtl::OUString SvXMLEmbeddedObjectHelper::ImplInsertEmbeddedObjectURL(
485 const ::rtl::OUString& rURLStr )
486 {
487 ::rtl::OUString sRetURL;
488
489 ::rtl::OUString aContainerStorageName, aObjectStorageName;
490 if( !ImplGetStorageNames( rURLStr, aContainerStorageName,
491 aObjectStorageName,
492 EMBEDDEDOBJECTHELPER_MODE_WRITE == meCreateMode ) )
493 return sRetURL;
494
495 if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
496 {
497 OutputStorageWrapper_Impl *pOut = 0;
498 SvXMLEmbeddedObjectHelper_Impl::iterator aIter;
499
500 if( mpStreamMap )
501 {
502 aIter = mpStreamMap->find( rURLStr );
503 if( aIter != mpStreamMap->end() && aIter->second )
504 pOut = aIter->second;
505 }
506
507 SvGlobalName aClassId, *pClassId = 0;
508 sal_Int32 nPos = aObjectStorageName.lastIndexOf( '!' );
509 if( -1 != nPos && aClassId.MakeId( aObjectStorageName.copy( nPos+1 ) ) )
510 {
511 aObjectStorageName = aObjectStorageName.copy( 0, nPos );
512 pClassId = &aClassId;
513 }
514
515 ImplReadObject( aContainerStorageName, aObjectStorageName, pClassId, pOut ? pOut->GetStream() : 0 );
516 sRetURL = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(XML_EMBEDDEDOBJECT_URL_BASE) );
517 sRetURL += aObjectStorageName;
518
519 if( pOut )
520 {
521 mpStreamMap->erase( aIter );
522 pOut->release();
523 }
524 }
525 else
526 {
527 // Objects are written using ::comphelper::IEmbeddedHelper::SaveAs
528 sRetURL = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("./") );
529 if( aContainerStorageName.getLength() )
530 {
531 sRetURL += aContainerStorageName;
532 sRetURL += ::rtl::OUString( '/' );
533 }
534 sRetURL += aObjectStorageName;
535 }
536
537 return sRetURL;
538 }
539
540 // -----------------------------------------------------------------------------
541
ImplGetReplacementImage(const uno::Reference<embed::XEmbeddedObject> & xObj)542 uno::Reference< io::XInputStream > SvXMLEmbeddedObjectHelper::ImplGetReplacementImage(
543 const uno::Reference< embed::XEmbeddedObject >& xObj )
544 {
545 uno::Reference< io::XInputStream > xStream;
546
547 if( xObj.is() )
548 {
549 try
550 {
551 sal_Bool bSwitchBackToLoaded = sal_False;
552 sal_Int32 nCurState = xObj->getCurrentState();
553 if ( nCurState == embed::EmbedStates::LOADED || nCurState == embed::EmbedStates::RUNNING )
554 {
555 // means that the object is not active
556 // copy replacement image from old to new container
557 ::rtl::OUString aMediaType;
558 xStream = mpDocPersist->getEmbeddedObjectContainer().GetGraphicStream( xObj, &aMediaType );
559 }
560
561 if ( !xStream.is() )
562 {
563 // the image must be regenerated
564 // TODO/LATER: another aspect could be used
565 if ( nCurState == embed::EmbedStates::LOADED )
566 bSwitchBackToLoaded = sal_True;
567
568 ::rtl::OUString aMediaType;
569 xStream = svt::EmbeddedObjectRef::GetGraphicReplacementStream(
570 embed::Aspects::MSOLE_CONTENT,
571 xObj,
572 &aMediaType );
573 }
574
575 if ( bSwitchBackToLoaded )
576 // switch back to loaded state; that way we have a minimum cache confusion
577 xObj->changeState( embed::EmbedStates::LOADED );
578 }
579 catch( uno::Exception& )
580 {}
581 }
582
583 return xStream;
584 }
585
586 // -----------------------------------------------------------------------------
587
Init(const uno::Reference<embed::XStorage> & rRootStorage,::comphelper::IEmbeddedHelper & rPersist,SvXMLEmbeddedObjectHelperMode eCreateMode)588 void SvXMLEmbeddedObjectHelper::Init(
589 const uno::Reference < embed::XStorage >& rRootStorage,
590 ::comphelper::IEmbeddedHelper& rPersist,
591 SvXMLEmbeddedObjectHelperMode eCreateMode )
592 {
593 mxRootStorage = rRootStorage;
594 mpDocPersist = &rPersist;
595 meCreateMode = eCreateMode;
596 }
597
598 // -----------------------------------------------------------------------------
599
Create(const uno::Reference<embed::XStorage> & rRootStorage,::comphelper::IEmbeddedHelper & rDocPersist,SvXMLEmbeddedObjectHelperMode eCreateMode,sal_Bool bDirect)600 SvXMLEmbeddedObjectHelper* SvXMLEmbeddedObjectHelper::Create(
601 const uno::Reference < embed::XStorage >& rRootStorage,
602 ::comphelper::IEmbeddedHelper& rDocPersist,
603 SvXMLEmbeddedObjectHelperMode eCreateMode,
604 sal_Bool bDirect )
605 {
606 (void)bDirect;
607
608 SvXMLEmbeddedObjectHelper* pThis = new SvXMLEmbeddedObjectHelper;
609
610 pThis->acquire();
611 pThis->Init( rRootStorage, rDocPersist, eCreateMode );
612
613 return pThis;
614 }
615
Create(::comphelper::IEmbeddedHelper & rDocPersist,SvXMLEmbeddedObjectHelperMode eCreateMode)616 SvXMLEmbeddedObjectHelper* SvXMLEmbeddedObjectHelper::Create(
617 ::comphelper::IEmbeddedHelper& rDocPersist,
618 SvXMLEmbeddedObjectHelperMode eCreateMode )
619 {
620 SvXMLEmbeddedObjectHelper* pThis = new SvXMLEmbeddedObjectHelper;
621
622 pThis->acquire();
623 pThis->Init( 0, rDocPersist, eCreateMode );
624
625 return pThis;
626 }
627
628 // -----------------------------------------------------------------------------
629
Destroy(SvXMLEmbeddedObjectHelper * pSvXMLEmbeddedObjectHelper)630 void SvXMLEmbeddedObjectHelper::Destroy(
631 SvXMLEmbeddedObjectHelper* pSvXMLEmbeddedObjectHelper )
632 {
633 if( pSvXMLEmbeddedObjectHelper )
634 {
635 pSvXMLEmbeddedObjectHelper->dispose();
636 pSvXMLEmbeddedObjectHelper->release();
637 }
638 }
639
640 // -----------------------------------------------------------------------------
641
Flush()642 void SvXMLEmbeddedObjectHelper::Flush()
643 {
644 if( mxTempStorage.is() )
645 {
646 Reference < XComponent > xComp( mxTempStorage, UNO_QUERY );
647 xComp->dispose();
648 }
649 }
650
651 // XGraphicObjectResolver: alien objects!
resolveEmbeddedObjectURL(const::rtl::OUString & aURL)652 ::rtl::OUString SAL_CALL SvXMLEmbeddedObjectHelper::resolveEmbeddedObjectURL( const ::rtl::OUString& aURL )
653 throw(RuntimeException)
654 {
655 MutexGuard aGuard( maMutex );
656
657 return ImplInsertEmbeddedObjectURL( aURL );
658 }
659
660 // XNameAccess: alien objects!
getByName(const::rtl::OUString & rURLStr)661 Any SAL_CALL SvXMLEmbeddedObjectHelper::getByName(
662 const ::rtl::OUString& rURLStr )
663 throw (NoSuchElementException, WrappedTargetException, RuntimeException)
664 {
665 MutexGuard aGuard( maMutex );
666 Any aRet;
667 if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
668 {
669 Reference < XOutputStream > xStrm;
670 if( mpStreamMap )
671 {
672 SvXMLEmbeddedObjectHelper_Impl::iterator aIter =
673 mpStreamMap->find( rURLStr );
674 if( aIter != mpStreamMap->end() && aIter->second )
675 xStrm = aIter->second;
676 }
677 if( !xStrm.is() )
678 {
679 OutputStorageWrapper_Impl *pOut = new OutputStorageWrapper_Impl;
680 pOut->acquire();
681 if( !mpStreamMap )
682 mpStreamMap = new SvXMLEmbeddedObjectHelper_Impl;
683 (*mpStreamMap)[rURLStr] = pOut;
684 xStrm = pOut;
685 }
686
687 aRet <<= xStrm;
688 }
689 else
690 {
691 sal_Bool bGraphicRepl = sal_False;
692 sal_Bool bOasisFormat = sal_True;
693 Reference < XInputStream > xStrm;
694 ::rtl::OUString aContainerStorageName, aObjectStorageName;
695 if( ImplGetStorageNames( rURLStr, aContainerStorageName,
696 aObjectStorageName,
697 sal_True,
698 &bGraphicRepl,
699 &bOasisFormat ) )
700 {
701 try
702 {
703 comphelper::EmbeddedObjectContainer& rContainer =
704 mpDocPersist->getEmbeddedObjectContainer();
705
706 Reference < embed::XEmbeddedObject > xObj = rContainer.GetEmbeddedObject( aObjectStorageName );
707 DBG_ASSERT( xObj.is(), "Didn't get object" );
708
709 if( xObj.is() )
710 {
711 if( bGraphicRepl )
712 {
713 xStrm = ImplGetReplacementImage( xObj );
714 }
715 else
716 {
717 Reference < embed::XEmbedPersist > xPersist( xObj, UNO_QUERY );
718 if( xPersist.is() )
719 {
720 if( !mxTempStorage.is() )
721 mxTempStorage =
722 comphelper::OStorageHelper::GetTemporaryStorage();
723 Sequence < beans::PropertyValue > aDummy( 0 ), aEmbDescr( 1 );
724 aEmbDescr[0].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "StoreVisualReplacement" ) );
725 aEmbDescr[0].Value <<= (sal_Bool)(!bOasisFormat);
726 if ( !bOasisFormat )
727 {
728 ::rtl::OUString aMimeType;
729 uno::Reference< io::XInputStream > xGrInStream = ImplGetReplacementImage( xObj );
730 if ( xGrInStream.is() )
731 {
732 aEmbDescr.realloc( 2 );
733 aEmbDescr[1].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "VisualReplacement" ) );
734 aEmbDescr[1].Value <<= xGrInStream;
735 }
736 }
737
738 xPersist->storeToEntry( mxTempStorage, aObjectStorageName,
739 aDummy, aEmbDescr );
740 Reference < io::XStream > xStream =
741 mxTempStorage->openStreamElement(
742 aObjectStorageName,
743 embed::ElementModes::READ);
744 if( xStream.is() )
745 xStrm = xStream->getInputStream();
746 }
747 }
748 }
749 }
750 catch ( uno::Exception& )
751 {
752 }
753 }
754
755 aRet <<= xStrm;
756 }
757
758 return aRet;
759 }
760
getElementNames()761 Sequence< ::rtl::OUString > SAL_CALL SvXMLEmbeddedObjectHelper::getElementNames()
762 throw (RuntimeException)
763 {
764 MutexGuard aGuard( maMutex );
765 return Sequence< ::rtl::OUString >(0);
766 }
767
hasByName(const::rtl::OUString & rURLStr)768 sal_Bool SAL_CALL SvXMLEmbeddedObjectHelper::hasByName( const ::rtl::OUString& rURLStr )
769 throw (RuntimeException)
770 {
771 MutexGuard aGuard( maMutex );
772 if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
773 {
774 return sal_True;
775 }
776 else
777 {
778 ::rtl::OUString aContainerStorageName, aObjectStorageName;
779 if( !ImplGetStorageNames( rURLStr, aContainerStorageName,
780 aObjectStorageName,
781 sal_True ) )
782 return sal_False;
783
784 comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->getEmbeddedObjectContainer();
785 return aObjectStorageName.getLength() > 0 &&
786 rContainer.HasEmbeddedObject( aObjectStorageName );
787 }
788 }
789
790 // XNameAccess
getElementType()791 Type SAL_CALL SvXMLEmbeddedObjectHelper::getElementType()
792 throw (RuntimeException)
793 {
794 MutexGuard aGuard( maMutex );
795 if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
796 return ::getCppuType((const Reference<XOutputStream>*)0);
797 else
798 return ::getCppuType((const Reference<XInputStream>*)0);
799 }
800
hasElements()801 sal_Bool SAL_CALL SvXMLEmbeddedObjectHelper::hasElements()
802 throw (RuntimeException)
803 {
804 MutexGuard aGuard( maMutex );
805 if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
806 {
807 return sal_True;
808 }
809 else
810 {
811 comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->getEmbeddedObjectContainer();
812 return rContainer.HasEmbeddedObjects();
813 }
814 }
815
816