xref: /trunk/main/sfx2/source/appl/fileobj.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_sfx2.hxx"
30 
31 #include <vcl/wrkwin.hxx>
32 #include <vcl/msgbox.hxx>
33 #include <tools/urlobj.hxx>
34 #include <tools/stream.hxx>
35 #include <sot/formats.hxx>
36 #include <svtools/filter.hxx>
37 #include <sfx2/lnkbase.hxx>
38 #include <sfx2/app.hxx>
39 #include <sfx2/progress.hxx>
40 #include <sfx2/docfilt.hxx>
41 #include <sfx2/filedlghelper.hxx>
42 #include <sot/exchange.hxx>
43 #include <com/sun/star/uno/Any.hxx>
44 #include <com/sun/star/uno/Sequence.hxx>
45 #include <sfx2/docfac.hxx>
46 #include <com/sun/star/document/XTypeDetection.hpp>
47 #include <comphelper/mediadescriptor.hxx>
48 #include <comphelper/processfactory.hxx>
49 #include <sfx2/linkmgr.hxx>
50 #include <sfx2/opengrf.hxx>
51 #include "sfx2/sfxresid.hxx"
52 #include "fileobj.hxx"
53 #include "app.hrc"
54 
55 namespace css = ::com::sun::star;
56 
57 #define FILETYPE_TEXT       1
58 #define FILETYPE_GRF        2
59 #define FILETYPE_OBJECT     3
60 
61 struct Impl_DownLoadData
62 {
63     Graphic aGrf;
64     Timer aTimer;
65 
66     Impl_DownLoadData( const Link& rLink )
67     {
68         aTimer.SetTimeout( 100 );
69         aTimer.SetTimeoutHdl( rLink  );
70         aGrf.SetDefaultType();
71     }
72     ~Impl_DownLoadData()
73     {
74         aTimer.Stop();
75     }
76 };
77 
78 // --------------------------------------------------------------------------
79 
80 
81 SvFileObject::SvFileObject() :
82     pDownLoadData( NULL ), pOldParent( NULL ), nType( FILETYPE_TEXT )
83 {
84     bLoadAgain = sal_True;
85     bSynchron = bLoadError = bWaitForData = bDataReady = bNativFormat =
86     bClearMedium = bStateChangeCalled = bInCallDownLoad = sal_False;
87 }
88 
89 
90 SvFileObject::~SvFileObject()
91 {
92     if ( xMed.Is() )
93     {
94         xMed->SetDataAvailableLink( Link() );
95         xMed->SetDoneLink( Link() );
96         xMed.Clear();
97     }
98     delete pDownLoadData;
99 }
100 
101 
102 sal_Bool SvFileObject::GetData( ::com::sun::star::uno::Any & rData,
103                                 const String & rMimeType,
104                                 sal_Bool bGetSynchron )
105 {
106     sal_uIntPtr nFmt = SotExchange::GetFormatStringId( rMimeType );
107     switch( nType )
108     {
109     case FILETYPE_TEXT:
110         if( FORMAT_FILE == nFmt )
111         {
112             // das Medium muss in der Applikation geoffnet werden, um die
113             // relativen Datei Links aufzuloesen!!!! Wird ueber den
114             // LinkManager und damit von dessen Storage erledigt.
115             rData <<= rtl::OUString( sFileNm );
116         }
117         break;
118 
119     case FILETYPE_GRF:
120         if( !bLoadError )
121         {
122             SfxMediumRef xTmpMed;
123 
124             if( FORMAT_GDIMETAFILE == nFmt || FORMAT_BITMAP == nFmt ||
125                 SOT_FORMATSTR_ID_SVXB == nFmt )
126             {
127                 Graphic aGrf;
128 
129                 //JP 15.07.98: Bug 52959
130                 //      falls das Nativformat doch erwuenscht ist, muss am
131                 //      Ende das Flag zurueckgesetzt werden.
132 // wird einzig und allein im sw/ndgrf.cxx benutzt, wenn der Link vom
133 // GraphicNode entfernt wird.
134                 sal_Bool bOldNativFormat = bNativFormat;
135 //!!??              bNativFormat = 0 != (ASPECT_ICON & pSvData->GetAspect());
136 
137                 // falls gedruckt werden soll, warten wir bis die
138                 // Daten vorhanden sind
139                 if( bGetSynchron )
140                 {
141                     // testhalber mal ein LoadFile rufen um das nach-
142                     // laden ueberahaupt anzustossen
143                     if( !xMed.Is() )
144                         LoadFile_Impl();
145 
146                     if( !bInCallDownLoad )
147                     {
148                         xTmpMed = xMed;
149                         while( bWaitForData )
150                             Application::Reschedule();
151 
152                         xMed = xTmpMed;
153                         bClearMedium = sal_True;
154                     }
155                 }
156 
157                 if( pDownLoadData ||
158                     ( !bWaitForData && ( xMed.Is() ||       // wurde als URL geladen
159                         ( bSynchron && LoadFile_Impl() && xMed.Is() ) )) )
160                 {
161                     // falls
162 
163                     // falls es uebers Internet gesogen wurde, nicht
164                     // wieder versuchen
165                     if( !bGetSynchron )
166                         bLoadAgain = !xMed->IsRemote();
167                     bLoadError = !GetGraphic_Impl( aGrf, xMed->GetInStream() );
168                 }
169                 else if( !LoadFile_Impl() ||
170                         !GetGraphic_Impl( aGrf, xMed.Is() ? xMed->GetInStream() : 0 ))
171                 {
172                     if( !xMed.Is() )
173                         break;
174                     aGrf.SetDefaultType();
175                 }
176 
177                 if( SOT_FORMATSTR_ID_SVXB != nFmt )
178                     nFmt = (bLoadError || GRAPHIC_BITMAP == aGrf.GetType())
179                                 ? FORMAT_BITMAP
180                                 : FORMAT_GDIMETAFILE;
181 
182                 SvMemoryStream aMemStm( 0, 65535 );
183                 switch ( nFmt )
184                 {
185                 case SOT_FORMATSTR_ID_SVXB:
186                     if( GRAPHIC_NONE != aGrf.GetType() )
187                     {
188                         aMemStm.SetVersion( SOFFICE_FILEFORMAT_50 );
189                         aMemStm << aGrf;
190                     }
191                     break;
192 
193                 case  FORMAT_BITMAP:
194                     if( !aGrf.GetBitmap().IsEmpty())
195                         aMemStm << aGrf.GetBitmap();
196                     break;
197 
198                 default:
199                     if( aGrf.GetGDIMetaFile().GetActionCount() )
200                     {
201                         GDIMetaFile aMeta( aGrf.GetGDIMetaFile() );
202                         aMeta.Write( aMemStm );
203                     }
204                 }
205                 rData <<= css::uno::Sequence< sal_Int8 >( (sal_Int8*) aMemStm.GetData(),
206                                         aMemStm.Seek( STREAM_SEEK_TO_END ) );
207 
208                 bNativFormat = bOldNativFormat;
209 
210                 // alles fertig?
211                 if( xMed.Is() && !bSynchron && bClearMedium )
212                 {
213                     xMed.Clear();
214                     bClearMedium = sal_False;
215                 }
216             }
217         }
218         break;
219     case FILETYPE_OBJECT:
220         // TODO/LATER: possibility to insert a new object
221         rData <<= rtl::OUString( sFileNm );
222         break;
223     }
224     return sal_True/*0 != aTypeList.Count()*/;
225 }
226 
227 
228 
229 
230 sal_Bool SvFileObject::Connect( sfx2::SvBaseLink* pLink )
231 {
232     if( !pLink || !pLink->GetLinkManager() )
233         return sal_False;
234 
235     // teste doch mal, ob nicht ein anderer Link mit der gleichen
236     // Verbindung schon existiert
237     pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFileNm, 0, &sFilter );
238 
239     if( OBJECT_CLIENT_GRF == pLink->GetObjType() )
240     {
241         SfxObjectShellRef pShell = pLink->GetLinkManager()->GetPersist();
242         if( pShell.Is() )
243         {
244             if( pShell->IsAbortingImport() )
245                 return sal_False;
246 
247             if( pShell->GetMedium() )
248                 sReferer = pShell->GetMedium()->GetName();
249         }
250     }
251 
252     switch( pLink->GetObjType() )
253     {
254     case OBJECT_CLIENT_GRF:
255         nType = FILETYPE_GRF;
256         bSynchron = pLink->IsSynchron();
257         break;
258 
259     case OBJECT_CLIENT_FILE:
260         nType = FILETYPE_TEXT;
261         break;
262 
263     case OBJECT_CLIENT_OLE:
264         nType = FILETYPE_OBJECT;
265         // TODO/LATER: introduce own type to be used for exchanging
266         break;
267 
268     default:
269         return sal_False;
270     }
271 
272     SetUpdateTimeout( 0 );
273 
274     // und jetzt bei diesem oder gefundenem Pseudo-Object anmelden
275     AddDataAdvise( pLink, SotExchange::GetFormatMimeType( pLink->GetContentType()), 0 );
276     return sal_True;
277 }
278 
279 
280 sal_Bool SvFileObject::LoadFile_Impl()
281 {
282     // wir sind noch im Laden!!
283     if( bWaitForData || !bLoadAgain || xMed.Is() || pDownLoadData )
284         return sal_False;
285 
286     // z.Z. nur auf die aktuelle DocShell
287     xMed = new SfxMedium( sFileNm, STREAM_STD_READ, sal_True );
288     SvLinkSource::StreamToLoadFrom aStreamToLoadFrom =
289         getStreamToLoadFrom();
290     xMed->setStreamToLoadFrom(
291         aStreamToLoadFrom.m_xInputStreamToLoadFrom,
292         aStreamToLoadFrom.m_bIsReadOnly);
293     // setStreamToLoadFrom(0,0);
294     if( sReferer.Len() )
295         xMed->SetReferer( sReferer );
296 
297     if( !bSynchron )
298     {
299         bLoadAgain = bDataReady = bInNewData = sal_False;
300         bWaitForData = sal_True;
301 
302         SfxMediumRef xTmpMed = xMed;
303         xMed->SetDataAvailableLink( STATIC_LINK( this, SvFileObject, LoadGrfNewData_Impl ) );
304         bInCallDownLoad = sal_True;
305         xMed->DownLoad( STATIC_LINK( this, SvFileObject, LoadGrfReady_Impl ) );
306         bInCallDownLoad = sal_False;
307 
308         bClearMedium = !xMed.Is();
309         if( bClearMedium )
310             xMed = xTmpMed;     // falls gleich im DownLoad schon schluss ist
311         return bDataReady;
312     }
313 
314     bWaitForData = sal_True;
315     bDataReady = bInNewData = sal_False;
316     xMed->DownLoad();
317     bLoadAgain = !xMed->IsRemote();
318     bWaitForData = sal_False;
319 
320     // Grafik ist fertig, also DataChanged von der Statusaederung schicken:
321     SendStateChg_Impl( xMed->GetInStream() && xMed->GetInStream()->GetError()
322                         ? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
323     return sal_True;
324 }
325 
326 
327 sal_Bool SvFileObject::GetGraphic_Impl( Graphic& rGrf, SvStream* pStream )
328 {
329     GraphicFilter* pGF = GraphicFilter::GetGraphicFilter();
330 
331     const sal_uInt16 nFilter = sFilter.Len() && pGF->GetImportFormatCount()
332                             ? pGF->GetImportFormatNumber( sFilter )
333                             : GRFILTER_FORMAT_DONTKNOW;
334 
335     String aEmptyStr;
336     int nRes;
337 
338     // vermeiden, dass ein native Link angelegt wird
339     if( ( !pStream || !pDownLoadData ) && !rGrf.IsLink() &&
340         !rGrf.GetContext() && !bNativFormat )
341         rGrf.SetLink( GfxLink() );
342 
343     if( !pStream )
344         nRes = xMed.Is() ? GRFILTER_OPENERROR
345                          : pGF->ImportGraphic( rGrf, INetURLObject(sFileNm),
346                             nFilter );
347     else if( !pDownLoadData )
348     {
349         pStream->Seek( STREAM_SEEK_TO_BEGIN );
350         nRes = pGF->ImportGraphic( rGrf, aEmptyStr, *pStream, nFilter );
351     }
352     else
353     {
354         nRes = pGF->ImportGraphic( pDownLoadData->aGrf, aEmptyStr,
355                                     *pStream, nFilter );
356 
357         if( pDownLoadData )
358         {
359             rGrf = pDownLoadData->aGrf;
360             if( GRAPHIC_NONE == rGrf.GetType() )
361                 rGrf.SetDefaultType();
362 
363 
364             if( !pDownLoadData->aGrf.GetContext() )
365             {
366                 xMed->SetDataAvailableLink( Link() );
367 //              xMed->SetDoneLink( Link() );
368                 delete pDownLoadData, pDownLoadData = 0;
369                 bDataReady = sal_True;
370                 bWaitForData = sal_False;
371             }
372             else if( sal_False )
373             {
374                 // Timer aufsetzen, um zurueck zukehren
375                 pDownLoadData->aTimer.Start();
376             }
377         }
378     }
379 
380     if( pStream && ERRCODE_IO_PENDING == pStream->GetError() )
381         pStream->ResetError();
382 
383 #ifdef DBG_UTIL
384     if( nRes )
385     {
386         if( xMed.Is() && !pStream )
387         {
388             DBG_WARNING3( "GrafikFehler [%d] - [%s] URL[%s]",
389                             nRes,
390                             xMed->GetPhysicalName().GetBuffer(),
391                             sFileNm.GetBuffer() );
392         }
393         else
394         {
395             DBG_WARNING2( "GrafikFehler [%d] - [%s]",
396                             nRes, sFileNm.GetBuffer() );
397         }
398     }
399 #endif
400 
401     return GRFILTER_OK == nRes;
402 }
403 
404 /** detect the filter of the given file
405 
406     @param _rURL
407         specifies the URL of the file which filter is to detected.<br/>
408         If the URL doesn't denote a valid (existent and accessible) file, the
409         request is silently dropped.
410 */
411 String impl_getFilter( const String& _rURL )
412 {
413     String sFilter;
414     if ( _rURL.Len() == 0 )
415         return sFilter;
416 
417     try
418     {
419         css::uno::Reference< ::com::sun::star::document::XTypeDetection > xTypeDetection(
420             ::comphelper::getProcessServiceFactory()->createInstance(
421                 ::rtl::OUString::createFromAscii("com.sun.star.document.TypeDetection") ),
422                 css::uno::UNO_QUERY );
423         if ( xTypeDetection.is() )
424         {
425             ::comphelper::MediaDescriptor aDescr;
426             aDescr[ ::comphelper::MediaDescriptor::PROP_URL() ] <<= ::rtl::OUString( _rURL );
427             css::uno::Sequence< css::beans::PropertyValue > aDescrList =
428                 aDescr.getAsConstPropertyValueList();
429             ::rtl::OUString sType = xTypeDetection->queryTypeByDescriptor( aDescrList, sal_True );
430             if ( sType.getLength() )
431             {
432                 css::uno::Reference< css::container::XNameAccess > xTypeCont( xTypeDetection,
433                                                                               css::uno::UNO_QUERY );
434                 if ( xTypeCont.is() )
435                 {
436                     ::comphelper::SequenceAsHashMap lTypeProps( xTypeCont->getByName( sType ) );
437                     sFilter = lTypeProps.getUnpackedValueOrDefault(
438                         ::rtl::OUString::createFromAscii("PreferredFilter"), ::rtl::OUString() );
439                 }
440             }
441         }
442     }
443     catch( const css::uno::Exception& )
444     {
445     }
446 
447     return sFilter;
448 }
449 
450 void SvFileObject::Edit( Window* pParent, sfx2::SvBaseLink* pLink, const Link& rEndEditHdl )
451 {
452     aEndEditLink = rEndEditHdl;
453     String sFile, sRange, sTmpFilter;
454     if( pLink && pLink->GetLinkManager() )
455     {
456         pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFile, &sRange, &sTmpFilter );
457 
458         switch( pLink->GetObjType() )
459         {
460             case OBJECT_CLIENT_GRF:
461             {
462                 nType = FILETYPE_GRF;       // falls noch nicht gesetzt
463 
464                 SvxOpenGraphicDialog aDlg(SfxResId(RID_SVXSTR_EDITGRFLINK));
465                 aDlg.EnableLink(sal_False);
466                 aDlg.SetPath( sFile, sal_True );
467                 aDlg.SetCurrentFilter( sTmpFilter );
468 
469                 if( !aDlg.Execute() )
470                 {
471                     sFile = aDlg.GetPath();
472                     sFile += ::sfx2::cTokenSeperator;
473                     sFile += ::sfx2::cTokenSeperator;
474                     sFile += aDlg.GetCurrentFilter();
475 
476                     if ( aEndEditLink.IsSet() )
477                         aEndEditLink.Call( &sFile );
478                 }
479                 else
480                     sFile.Erase();
481             }
482             break;
483 
484             case OBJECT_CLIENT_OLE:
485             {
486                 nType = FILETYPE_OBJECT; // if not set already
487                 pOldParent = Application::GetDefDialogParent();
488                 Application::SetDefDialogParent( pParent );
489 
490                 ::sfx2::FileDialogHelper* pFileDlg =
491                     pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), String() );
492                 pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
493             }
494             break;
495 
496             case OBJECT_CLIENT_FILE:
497             {
498                 nType = FILETYPE_TEXT; // if not set already
499                 pOldParent = Application::GetDefDialogParent();
500                 Application::SetDefDialogParent( pParent );
501 
502                 String sFactory;
503                 SfxObjectShell* pShell = pLink->GetLinkManager()->GetPersist();
504                 if ( pShell )
505                     sFactory = pShell->GetFactory().GetFactoryName();
506 
507                 ::sfx2::FileDialogHelper* pFileDlg =
508                     pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), sFactory );
509                 pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
510             }
511             break;
512 
513             default:
514                 sFile.Erase();
515         }
516     }
517 }
518 
519 IMPL_STATIC_LINK( SvFileObject, LoadGrfReady_Impl, void*, EMPTYARG )
520 {
521     // wenn wir von hier kommen, kann es kein Fehler mehr sein
522     pThis->bLoadError = sal_False;
523     pThis->bWaitForData = sal_False;
524     pThis->bInCallDownLoad = sal_False;
525 
526     if( !pThis->bInNewData && !pThis->bDataReady )
527     {
528             // Grafik ist fertig, also DataChanged von der Status-
529             // aederung schicken:
530         pThis->bDataReady = sal_True;
531         pThis->SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_OK );
532 
533             // und dann nochmal die Daten senden
534         pThis->NotifyDataChanged();
535     }
536 
537     if( pThis->bDataReady )
538     {
539         pThis->bLoadAgain = sal_True;
540         if( pThis->xMed.Is() )
541         {
542             pThis->xMed->SetDataAvailableLink( Link() );
543             pThis->xMed->SetDoneLink( Link() );
544 
545             Application::PostUserEvent(
546                         STATIC_LINK( pThis, SvFileObject, DelMedium_Impl ),
547                         new SfxMediumRef( pThis->xMed ));
548             pThis->xMed.Clear();
549         }
550         if( pThis->pDownLoadData )
551             delete pThis->pDownLoadData, pThis->pDownLoadData = 0;
552     }
553 
554     return 0;
555 }
556 
557 IMPL_STATIC_LINK( SvFileObject, DelMedium_Impl, SfxMediumRef*, pDelMed )
558 {
559     (void)pThis;
560     delete pDelMed;
561     return 0;
562 }
563 
564 IMPL_STATIC_LINK( SvFileObject, LoadGrfNewData_Impl, void*, EMPTYARG )
565 {
566     // wenn wir von hier kommen, kann es kein Fehler mehr sein
567     if( pThis->bInNewData )
568         return 0;
569 
570     pThis->bInNewData = sal_True;
571     pThis->bLoadError = sal_False;
572 
573     if( !pThis->pDownLoadData )
574     {
575         pThis->pDownLoadData = new Impl_DownLoadData(
576                         STATIC_LINK( pThis, SvFileObject, LoadGrfNewData_Impl ) );
577 
578         // Null-Link setzen, damit keine temporaeren Grafiken
579         // rausgeswapt werden; der Filter prueft, ob schon
580         // ein Link gesetzt ist => falls dies zutrifft, wird
581         // _kein_ neuer Link gesetzt; der Link muss hier gesetzt werden,
582         // (bevor das erste Mal gefiltert wird), um zu verhindern,
583         // dass der Kontext zurueckgesetzt wird (aynchrones Laden)
584         if( !pThis->bNativFormat )
585         {
586             static GfxLink aDummyLink;
587             pThis->pDownLoadData->aGrf.SetLink( aDummyLink );
588         }
589     }
590 
591     pThis->NotifyDataChanged();
592 
593     SvStream* pStrm = pThis->xMed.Is() ? pThis->xMed->GetInStream() : 0;
594     if( pStrm && pStrm->GetError() )
595     {
596         if( ERRCODE_IO_PENDING == pStrm->GetError() )
597             pStrm->ResetError();
598 
599         // im DataChanged ein DataReady?
600         else if( pThis->bWaitForData && pThis->pDownLoadData )
601         {
602             pThis->bLoadError = sal_True;
603         }
604     }
605 
606     if( pThis->bDataReady )
607     {
608         // Grafik ist fertig, also DataChanged von der Status-
609         // aederung schicken:
610         pThis->SendStateChg_Impl( pStrm->GetError() ? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
611     }
612 
613     pThis->bInNewData = sal_False;
614     return 0;
615 }
616 
617 IMPL_LINK( SvFileObject, DialogClosedHdl, sfx2::FileDialogHelper*, _pFileDlg )
618 {
619     String sFile;
620     Application::SetDefDialogParent( pOldParent );
621 
622     if ( FILETYPE_TEXT == nType || FILETYPE_OBJECT == nType )
623     {
624         if ( _pFileDlg && _pFileDlg->GetError() == ERRCODE_NONE )
625         {
626             String sURL( _pFileDlg->GetPath() );
627             sFile = sURL;
628             sFile += ::sfx2::cTokenSeperator;
629             sFile += ::sfx2::cTokenSeperator;
630             sFile += impl_getFilter( sURL );
631         }
632     }
633     else
634     {
635         DBG_ERRORFILE( "SvFileObject::DialogClosedHdl(): wrong file type" );
636     }
637 
638     if ( aEndEditLink.IsSet() )
639         aEndEditLink.Call( &sFile );
640     return 0;
641 }
642 
643 /*  [Beschreibung]
644 
645     Die Methode stellt fest, ob aus einem DDE-Object die Daten gelesen
646     werden kann.
647     Zurueckgegeben wird:
648         ERRCODE_NONE            wenn sie komplett gelesen wurde
649         ERRCODE_SO_PENDING      wenn sie noch nicht komplett gelesen wurde
650         ERRCODE_SO_FALSE        sonst
651 */
652 sal_Bool SvFileObject::IsPending() const
653 {
654     return FILETYPE_GRF == nType && !bLoadError &&
655             ( pDownLoadData || bWaitForData );
656 }
657 sal_Bool SvFileObject::IsDataComplete() const
658 {
659     sal_Bool bRet = sal_False;
660     if( FILETYPE_GRF != nType )
661         bRet = sal_True;
662     else if( !bLoadError && ( !bWaitForData && !pDownLoadData ))
663     {
664         SvFileObject* pThis = (SvFileObject*)this;
665         if( bDataReady ||
666             ( bSynchron && pThis->LoadFile_Impl() && xMed.Is() ) )
667             bRet = sal_True;
668         else
669         {
670             INetURLObject aUrl( sFileNm );
671             if( aUrl.HasError() ||
672                 INET_PROT_NOT_VALID == aUrl.GetProtocol() )
673                 bRet = sal_True;
674         }
675     }
676     return bRet;
677 }
678 
679 
680 
681 void SvFileObject::CancelTransfers()
682 {
683     // und aus dem Cache austragen, wenn man mitten im Laden ist
684     if( !bDataReady )
685     {
686         // nicht noch mal aufsetzen
687         bLoadAgain = sal_False;
688         bDataReady = bLoadError = bWaitForData = sal_True;
689         SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_ABORT );
690     }
691 }
692 
693 
694 void SvFileObject::SendStateChg_Impl( sfx2::LinkManager::LinkState nState )
695 {
696     if( !bStateChangeCalled && HasDataLinks() )
697     {
698         css::uno::Any aAny;
699         aAny <<= rtl::OUString::valueOf( (sal_Int32)nState );
700         DataChanged( SotExchange::GetFormatName(
701                         sfx2::LinkManager::RegisterStatusInfoId()), aAny );
702         bStateChangeCalled = sal_True;
703     }
704 }
705 
706 
707