xref: /AOO41X/main/sfx2/source/appl/fileobj.cxx (revision 6a6ec68d792bd477e5b23798f42a1a9de0925497)
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21 
22 // MARKER(update_precomp.py): autogen include statement, do not remove
23 #include "precompiled_sfx2.hxx"
24 
25 #include <vcl/wrkwin.hxx>
26 #include <vcl/msgbox.hxx>
27 #include <tools/urlobj.hxx>
28 #include <tools/stream.hxx>
29 #include <sot/formats.hxx>
30 #include <svtools/filter.hxx>
31 #include <sfx2/lnkbase.hxx>
32 #include <sfx2/app.hxx>
33 #include <sfx2/progress.hxx>
34 #include <sfx2/docfilt.hxx>
35 #include <sfx2/filedlghelper.hxx>
36 #include <sot/exchange.hxx>
37 #include <com/sun/star/uno/Any.hxx>
38 #include <com/sun/star/uno/Sequence.hxx>
39 #include <sfx2/docfac.hxx>
40 #include <com/sun/star/document/XTypeDetection.hpp>
41 #include <comphelper/mediadescriptor.hxx>
42 #include <comphelper/processfactory.hxx>
43 #include <sfx2/linkmgr.hxx>
44 #include <sfx2/opengrf.hxx>
45 #include "sfx2/sfxresid.hxx"
46 #include "fileobj.hxx"
47 #include "app.hrc"
48 #include <vcl/dibtools.hxx>
49 
50 namespace css = ::com::sun::star;
51 
52 #define FILETYPE_TEXT       1
53 #define FILETYPE_GRF        2
54 #define FILETYPE_OBJECT     3
55 
56 struct Impl_DownLoadData
57 {
58     Graphic aGrf;
59     Timer aTimer;
60 
61     Impl_DownLoadData( const Link& rLink )
62     {
63         aTimer.SetTimeout( 100 );
64         aTimer.SetTimeoutHdl( rLink  );
65         aGrf.SetDefaultType();
66     }
67     ~Impl_DownLoadData()
68     {
69         aTimer.Stop();
70     }
71 };
72 
73 // --------------------------------------------------------------------------
74 
75 
76 SvFileObject::SvFileObject() :
77     pDownLoadData( NULL ), pOldParent( NULL ), nType( FILETYPE_TEXT )
78 {
79     bLoadAgain = sal_True;
80     bSynchron = bLoadError = bWaitForData = bDataReady = bNativFormat =
81     bClearMedium = bStateChangeCalled = bInCallDownLoad = sal_False;
82 }
83 
84 
85 SvFileObject::~SvFileObject()
86 {
87     if ( xMed.Is() )
88     {
89         xMed->SetDataAvailableLink( Link() );
90         xMed->SetDoneLink( Link() );
91         xMed.Clear();
92     }
93     delete pDownLoadData;
94 }
95 
96 
97 sal_Bool SvFileObject::GetData( ::com::sun::star::uno::Any & rData,
98                                 const String & rMimeType,
99                                 sal_Bool bGetSynchron )
100 {
101     sal_uIntPtr nFmt = SotExchange::GetFormatStringId( rMimeType );
102     switch( nType )
103     {
104     case FILETYPE_TEXT:
105         if( FORMAT_FILE == nFmt )
106         {
107             // das Medium muss in der Applikation geoffnet werden, um die
108             // relativen Datei Links aufzuloesen!!!! Wird ueber den
109             // LinkManager und damit von dessen Storage erledigt.
110             rData <<= rtl::OUString( sFileNm );
111         }
112         break;
113 
114     case FILETYPE_GRF:
115         if( !bLoadError )
116         {
117             SfxMediumRef xTmpMed;
118 
119             if( FORMAT_GDIMETAFILE == nFmt || FORMAT_BITMAP == nFmt ||
120                 SOT_FORMATSTR_ID_SVXB == nFmt )
121             {
122                 Graphic aGrf;
123 
124                 //JP 15.07.98: Bug 52959
125                 //      falls das Nativformat doch erwuenscht ist, muss am
126                 //      Ende das Flag zurueckgesetzt werden.
127 // wird einzig und allein im sw/ndgrf.cxx benutzt, wenn der Link vom
128 // GraphicNode entfernt wird.
129                 sal_Bool bOldNativFormat = bNativFormat;
130 //!!??              bNativFormat = 0 != (ASPECT_ICON & pSvData->GetAspect());
131 
132                 // falls gedruckt werden soll, warten wir bis die
133                 // Daten vorhanden sind
134                 if( bGetSynchron )
135                 {
136                     // testhalber mal ein LoadFile rufen um das nach-
137                     // laden ueberahaupt anzustossen
138                     if( !xMed.Is() )
139                         LoadFile_Impl();
140 
141                     if( !bInCallDownLoad )
142                     {
143                         xTmpMed = xMed;
144                         while( bWaitForData )
145                             Application::Reschedule();
146 
147                         xMed = xTmpMed;
148                         bClearMedium = sal_True;
149                     }
150                 }
151 
152                 if( pDownLoadData ||
153                     ( !bWaitForData && ( xMed.Is() ||       // wurde als URL geladen
154                         ( bSynchron && LoadFile_Impl() && xMed.Is() ) )) )
155                 {
156                     // falls
157 
158                     // falls es uebers Internet gesogen wurde, nicht
159                     // wieder versuchen
160                     if( !bGetSynchron )
161                         bLoadAgain = !xMed->IsRemote();
162                     bLoadError = !GetGraphic_Impl( aGrf, xMed->GetInStream() );
163                 }
164                 else if( !LoadFile_Impl() ||
165                         !GetGraphic_Impl( aGrf, xMed.Is() ? xMed->GetInStream() : 0 ))
166                 {
167                     if( !xMed.Is() )
168                         break;
169                     aGrf.SetDefaultType();
170                 }
171 
172                 if( SOT_FORMATSTR_ID_SVXB != nFmt )
173                     nFmt = (bLoadError || GRAPHIC_BITMAP == aGrf.GetType())
174                                 ? FORMAT_BITMAP
175                                 : FORMAT_GDIMETAFILE;
176 
177                 SvMemoryStream aMemStm( 0, 65535 );
178                 switch ( nFmt )
179                 {
180                 case SOT_FORMATSTR_ID_SVXB:
181                     if( GRAPHIC_NONE != aGrf.GetType() )
182                     {
183                         aMemStm.SetVersion( SOFFICE_FILEFORMAT_50 );
184                         aMemStm << aGrf;
185                     }
186                     break;
187 
188                 case  FORMAT_BITMAP:
189                 {
190                     const Bitmap aBitmap(aGrf.GetBitmap());
191 
192                     if(!aBitmap.IsEmpty())
193                     {
194                         WriteDIB(aBitmap, aMemStm, false, true);
195                     }
196 
197                     break;
198                 }
199 
200                 default:
201                     if( aGrf.GetGDIMetaFile().GetActionCount() )
202                     {
203                         GDIMetaFile aMeta( aGrf.GetGDIMetaFile() );
204                         aMeta.Write( aMemStm );
205                     }
206                 }
207                 rData <<= css::uno::Sequence< sal_Int8 >( (sal_Int8*) aMemStm.GetData(),
208                                         aMemStm.Seek( STREAM_SEEK_TO_END ) );
209 
210                 bNativFormat = bOldNativFormat;
211 
212                 // alles fertig?
213                 if( xMed.Is() && !bSynchron && bClearMedium )
214                 {
215                     xMed.Clear();
216                     bClearMedium = sal_False;
217                 }
218             }
219         }
220         break;
221     case FILETYPE_OBJECT:
222         // TODO/LATER: possibility to insert a new object
223         rData <<= rtl::OUString( sFileNm );
224         break;
225     }
226     return sal_True/*0 != aTypeList.Count()*/;
227 }
228 
229 
230 
231 
232 sal_Bool SvFileObject::Connect( sfx2::SvBaseLink* pLink )
233 {
234     if( !pLink || !pLink->GetLinkManager() )
235         return sal_False;
236 
237     // teste doch mal, ob nicht ein anderer Link mit der gleichen
238     // Verbindung schon existiert
239     pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFileNm, 0, &sFilter );
240 
241     if( OBJECT_CLIENT_GRF == pLink->GetObjType() )
242     {
243         SfxObjectShellRef pShell = pLink->GetLinkManager()->GetPersist();
244         if( pShell.Is() )
245         {
246             if( pShell->IsAbortingImport() )
247                 return sal_False;
248 
249             if( pShell->GetMedium() )
250                 sReferer = pShell->GetMedium()->GetName();
251         }
252     }
253 
254     switch( pLink->GetObjType() )
255     {
256     case OBJECT_CLIENT_GRF:
257         nType = FILETYPE_GRF;
258         bSynchron = pLink->IsSynchron();
259         break;
260 
261     case OBJECT_CLIENT_FILE:
262         nType = FILETYPE_TEXT;
263         break;
264 
265     case OBJECT_CLIENT_OLE:
266         nType = FILETYPE_OBJECT;
267         // TODO/LATER: introduce own type to be used for exchanging
268         break;
269 
270     default:
271         return sal_False;
272     }
273 
274     SetUpdateTimeout( 0 );
275 
276     // und jetzt bei diesem oder gefundenem Pseudo-Object anmelden
277     AddDataAdvise( pLink, SotExchange::GetFormatMimeType( pLink->GetContentType()), 0 );
278     return sal_True;
279 }
280 
281 
282 sal_Bool SvFileObject::LoadFile_Impl()
283 {
284     // wir sind noch im Laden!!
285     if( bWaitForData || !bLoadAgain || xMed.Is() || pDownLoadData )
286         return sal_False;
287 
288     // z.Z. nur auf die aktuelle DocShell
289     xMed = new SfxMedium( sFileNm, STREAM_STD_READ, sal_True );
290     SvLinkSource::StreamToLoadFrom aStreamToLoadFrom =
291         getStreamToLoadFrom();
292     xMed->setStreamToLoadFrom(
293         aStreamToLoadFrom.m_xInputStreamToLoadFrom,
294         aStreamToLoadFrom.m_bIsReadOnly);
295     // setStreamToLoadFrom(0,0);
296     if( sReferer.Len() )
297         xMed->SetReferer( sReferer );
298 
299     if( !bSynchron )
300     {
301         bLoadAgain = bDataReady = bInNewData = sal_False;
302         bWaitForData = sal_True;
303 
304         SfxMediumRef xTmpMed = xMed;
305         xMed->SetDataAvailableLink( STATIC_LINK( this, SvFileObject, LoadGrfNewData_Impl ) );
306         bInCallDownLoad = sal_True;
307         xMed->DownLoad( STATIC_LINK( this, SvFileObject, LoadGrfReady_Impl ) );
308         bInCallDownLoad = sal_False;
309 
310         bClearMedium = !xMed.Is();
311         if( bClearMedium )
312             xMed = xTmpMed;     // falls gleich im DownLoad schon schluss ist
313         return bDataReady;
314     }
315 
316     bWaitForData = sal_True;
317     bDataReady = bInNewData = sal_False;
318     xMed->DownLoad();
319     bLoadAgain = !xMed->IsRemote();
320     bWaitForData = sal_False;
321 
322     // Grafik ist fertig, also DataChanged von der Statusaederung schicken:
323     SendStateChg_Impl( xMed->GetInStream() && xMed->GetInStream()->GetError()
324                         ? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
325     return sal_True;
326 }
327 
328 
329 sal_Bool SvFileObject::GetGraphic_Impl( Graphic& rGrf, SvStream* pStream )
330 {
331     GraphicFilter* pGF = GraphicFilter::GetGraphicFilter();
332 
333     const sal_uInt16 nFilter = sFilter.Len() && pGF->GetImportFormatCount()
334                             ? pGF->GetImportFormatNumber( sFilter )
335                             : GRFILTER_FORMAT_DONTKNOW;
336 
337     String aEmptyStr;
338     int nRes;
339 
340     // vermeiden, dass ein native Link angelegt wird
341     if( ( !pStream || !pDownLoadData ) && !rGrf.IsLink() &&
342         !rGrf.GetContext() && !bNativFormat )
343         rGrf.SetLink( GfxLink() );
344 
345     if( !pStream )
346         nRes = xMed.Is() ? GRFILTER_OPENERROR
347                          : pGF->ImportGraphic( rGrf, INetURLObject(sFileNm),
348                             nFilter );
349     else if( !pDownLoadData )
350     {
351         pStream->Seek( STREAM_SEEK_TO_BEGIN );
352         nRes = pGF->ImportGraphic( rGrf, aEmptyStr, *pStream, nFilter );
353     }
354     else
355     {
356         nRes = pGF->ImportGraphic( pDownLoadData->aGrf, aEmptyStr,
357                                     *pStream, nFilter );
358 
359         if( pDownLoadData )
360         {
361             rGrf = pDownLoadData->aGrf;
362             if( GRAPHIC_NONE == rGrf.GetType() )
363                 rGrf.SetDefaultType();
364 
365 
366             if( !pDownLoadData->aGrf.GetContext() )
367             {
368                 xMed->SetDataAvailableLink( Link() );
369 //              xMed->SetDoneLink( Link() );
370                 delete pDownLoadData, pDownLoadData = 0;
371                 bDataReady = sal_True;
372                 bWaitForData = sal_False;
373             }
374             else if( sal_False )
375             {
376                 // Timer aufsetzen, um zurueck zukehren
377                 pDownLoadData->aTimer.Start();
378             }
379         }
380     }
381 
382     if( pStream && ERRCODE_IO_PENDING == pStream->GetError() )
383         pStream->ResetError();
384 
385 #ifdef DBG_UTIL
386     if( nRes )
387     {
388         if( xMed.Is() && !pStream )
389         {
390             DBG_WARNING3( "GrafikFehler [%d] - [%s] URL[%s]",
391                             nRes,
392                             xMed->GetPhysicalName().GetBuffer(),
393                             sFileNm.GetBuffer() );
394         }
395         else
396         {
397             DBG_WARNING2( "GrafikFehler [%d] - [%s]",
398                             nRes, sFileNm.GetBuffer() );
399         }
400     }
401 #endif
402 
403     return GRFILTER_OK == nRes;
404 }
405 
406 /** detect the filter of the given file
407 
408     @param _rURL
409         specifies the URL of the file which filter is to detected.<br/>
410         If the URL doesn't denote a valid (existent and accessible) file, the
411         request is silently dropped.
412 */
413 String impl_getFilter( const String& _rURL )
414 {
415     String sFilter;
416     if ( _rURL.Len() == 0 )
417         return sFilter;
418 
419     try
420     {
421         css::uno::Reference< ::com::sun::star::document::XTypeDetection > xTypeDetection(
422             ::comphelper::getProcessServiceFactory()->createInstance(
423                 ::rtl::OUString::createFromAscii("com.sun.star.document.TypeDetection") ),
424                 css::uno::UNO_QUERY );
425         if ( xTypeDetection.is() )
426         {
427             ::comphelper::MediaDescriptor aDescr;
428             aDescr[ ::comphelper::MediaDescriptor::PROP_URL() ] <<= ::rtl::OUString( _rURL );
429             css::uno::Sequence< css::beans::PropertyValue > aDescrList =
430                 aDescr.getAsConstPropertyValueList();
431             ::rtl::OUString sType = xTypeDetection->queryTypeByDescriptor( aDescrList, sal_True );
432             if ( sType.getLength() )
433             {
434                 css::uno::Reference< css::container::XNameAccess > xTypeCont( xTypeDetection,
435                                                                               css::uno::UNO_QUERY );
436                 if ( xTypeCont.is() )
437                 {
438                     ::comphelper::SequenceAsHashMap lTypeProps( xTypeCont->getByName( sType ) );
439                     sFilter = lTypeProps.getUnpackedValueOrDefault(
440                         ::rtl::OUString::createFromAscii("PreferredFilter"), ::rtl::OUString() );
441                 }
442             }
443         }
444     }
445     catch( const css::uno::Exception& )
446     {
447     }
448 
449     return sFilter;
450 }
451 
452 void SvFileObject::Edit( Window* pParent, sfx2::SvBaseLink* pLink, const Link& rEndEditHdl )
453 {
454     aEndEditLink = rEndEditHdl;
455     String sFile, sRange, sTmpFilter;
456     if( pLink && pLink->GetLinkManager() )
457     {
458         pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFile, &sRange, &sTmpFilter );
459 
460         switch( pLink->GetObjType() )
461         {
462             case OBJECT_CLIENT_GRF:
463             {
464                 nType = FILETYPE_GRF;       // falls noch nicht gesetzt
465 
466                 SvxOpenGraphicDialog aDlg(SfxResId(RID_SVXSTR_EDITGRFLINK));
467                 aDlg.EnableLink(sal_False);
468                 aDlg.SetPath( sFile, sal_True );
469                 aDlg.SetCurrentFilter( sTmpFilter );
470 
471                 if( !aDlg.Execute() )
472                 {
473                     sFile = aDlg.GetPath();
474                     sFile += ::sfx2::cTokenSeperator;
475                     sFile += ::sfx2::cTokenSeperator;
476                     sFile += aDlg.GetCurrentFilter();
477 
478                     if ( aEndEditLink.IsSet() )
479                         aEndEditLink.Call( &sFile );
480                 }
481                 else
482                     sFile.Erase();
483             }
484             break;
485 
486             case OBJECT_CLIENT_OLE:
487             {
488                 nType = FILETYPE_OBJECT; // if not set already
489                 pOldParent = Application::GetDefDialogParent();
490                 Application::SetDefDialogParent( pParent );
491 
492                 ::sfx2::FileDialogHelper* pFileDlg =
493                     pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), String() );
494                 pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
495             }
496             break;
497 
498             case OBJECT_CLIENT_FILE:
499             {
500                 nType = FILETYPE_TEXT; // if not set already
501                 pOldParent = Application::GetDefDialogParent();
502                 Application::SetDefDialogParent( pParent );
503 
504                 String sFactory;
505                 SfxObjectShell* pShell = pLink->GetLinkManager()->GetPersist();
506                 if ( pShell )
507                     sFactory = pShell->GetFactory().GetFactoryName();
508 
509                 ::sfx2::FileDialogHelper* pFileDlg =
510                     pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), sFactory );
511                 pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
512             }
513             break;
514 
515             default:
516                 sFile.Erase();
517         }
518     }
519 }
520 
521 IMPL_STATIC_LINK( SvFileObject, LoadGrfReady_Impl, void*, EMPTYARG )
522 {
523     // wenn wir von hier kommen, kann es kein Fehler mehr sein
524     pThis->bLoadError = sal_False;
525     pThis->bWaitForData = sal_False;
526     pThis->bInCallDownLoad = sal_False;
527 
528     if( !pThis->bInNewData && !pThis->bDataReady )
529     {
530             // Grafik ist fertig, also DataChanged von der Status-
531             // aederung schicken:
532         pThis->bDataReady = sal_True;
533         pThis->SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_OK );
534 
535             // und dann nochmal die Daten senden
536         pThis->NotifyDataChanged();
537     }
538 
539     if( pThis->bDataReady )
540     {
541         pThis->bLoadAgain = sal_True;
542         if( pThis->xMed.Is() )
543         {
544             pThis->xMed->SetDataAvailableLink( Link() );
545             pThis->xMed->SetDoneLink( Link() );
546 
547             Application::PostUserEvent(
548                         STATIC_LINK( pThis, SvFileObject, DelMedium_Impl ),
549                         new SfxMediumRef( pThis->xMed ));
550             pThis->xMed.Clear();
551         }
552         if( pThis->pDownLoadData )
553             delete pThis->pDownLoadData, pThis->pDownLoadData = 0;
554     }
555 
556     return 0;
557 }
558 
559 IMPL_STATIC_LINK( SvFileObject, DelMedium_Impl, SfxMediumRef*, pDelMed )
560 {
561     (void)pThis;
562     delete pDelMed;
563     return 0;
564 }
565 
566 IMPL_STATIC_LINK( SvFileObject, LoadGrfNewData_Impl, void*, EMPTYARG )
567 {
568     // wenn wir von hier kommen, kann es kein Fehler mehr sein
569     if( pThis->bInNewData )
570         return 0;
571 
572     pThis->bInNewData = sal_True;
573     pThis->bLoadError = sal_False;
574 
575     if( !pThis->pDownLoadData )
576     {
577         pThis->pDownLoadData = new Impl_DownLoadData(
578                         STATIC_LINK( pThis, SvFileObject, LoadGrfNewData_Impl ) );
579 
580         // Null-Link setzen, damit keine temporaeren Grafiken
581         // rausgeswapt werden; der Filter prueft, ob schon
582         // ein Link gesetzt ist => falls dies zutrifft, wird
583         // _kein_ neuer Link gesetzt; der Link muss hier gesetzt werden,
584         // (bevor das erste Mal gefiltert wird), um zu verhindern,
585         // dass der Kontext zurueckgesetzt wird (aynchrones Laden)
586         if( !pThis->bNativFormat )
587         {
588             static GfxLink aDummyLink;
589             pThis->pDownLoadData->aGrf.SetLink( aDummyLink );
590         }
591     }
592 
593     pThis->NotifyDataChanged();
594 
595     SvStream* pStrm = pThis->xMed.Is() ? pThis->xMed->GetInStream() : 0;
596     if( pStrm && pStrm->GetError() )
597     {
598         if( ERRCODE_IO_PENDING == pStrm->GetError() )
599             pStrm->ResetError();
600 
601         // im DataChanged ein DataReady?
602         else if( pThis->bWaitForData && pThis->pDownLoadData )
603         {
604             pThis->bLoadError = sal_True;
605         }
606     }
607 
608     if( pThis->bDataReady )
609     {
610         // Grafik ist fertig, also DataChanged von der Status-
611         // aederung schicken:
612         pThis->SendStateChg_Impl( pStrm->GetError() ? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
613     }
614 
615     pThis->bInNewData = sal_False;
616     return 0;
617 }
618 
619 IMPL_LINK( SvFileObject, DialogClosedHdl, sfx2::FileDialogHelper*, _pFileDlg )
620 {
621     String sFile;
622     Application::SetDefDialogParent( pOldParent );
623 
624     if ( FILETYPE_TEXT == nType || FILETYPE_OBJECT == nType )
625     {
626         if ( _pFileDlg && _pFileDlg->GetError() == ERRCODE_NONE )
627         {
628             String sURL( _pFileDlg->GetPath() );
629             sFile = sURL;
630             sFile += ::sfx2::cTokenSeperator;
631             sFile += ::sfx2::cTokenSeperator;
632             sFile += impl_getFilter( sURL );
633         }
634     }
635     else
636     {
637         DBG_ERRORFILE( "SvFileObject::DialogClosedHdl(): wrong file type" );
638     }
639 
640     if ( aEndEditLink.IsSet() )
641         aEndEditLink.Call( &sFile );
642     return 0;
643 }
644 
645 /*  [Beschreibung]
646 
647     Die Methode stellt fest, ob aus einem DDE-Object die Daten gelesen
648     werden kann.
649     Zurueckgegeben wird:
650         ERRCODE_NONE            wenn sie komplett gelesen wurde
651         ERRCODE_SO_PENDING      wenn sie noch nicht komplett gelesen wurde
652         ERRCODE_SO_FALSE        sonst
653 */
654 sal_Bool SvFileObject::IsPending() const
655 {
656     return FILETYPE_GRF == nType && !bLoadError &&
657             ( pDownLoadData || bWaitForData );
658 }
659 sal_Bool SvFileObject::IsDataComplete() const
660 {
661     sal_Bool bRet = sal_False;
662     if( FILETYPE_GRF != nType )
663         bRet = sal_True;
664     else if( !bLoadError && ( !bWaitForData && !pDownLoadData ))
665     {
666         SvFileObject* pThis = (SvFileObject*)this;
667         if( bDataReady ||
668             ( bSynchron && pThis->LoadFile_Impl() && xMed.Is() ) )
669             bRet = sal_True;
670         else
671         {
672             INetURLObject aUrl( sFileNm );
673             if( aUrl.HasError() ||
674                 INET_PROT_NOT_VALID == aUrl.GetProtocol() )
675                 bRet = sal_True;
676         }
677     }
678     return bRet;
679 }
680 
681 
682 
683 void SvFileObject::CancelTransfers()
684 {
685     // und aus dem Cache austragen, wenn man mitten im Laden ist
686     if( !bDataReady )
687     {
688         // nicht noch mal aufsetzen
689         bLoadAgain = sal_False;
690         bDataReady = bLoadError = bWaitForData = sal_True;
691         SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_ABORT );
692     }
693 }
694 
695 
696 void SvFileObject::SendStateChg_Impl( sfx2::LinkManager::LinkState nState )
697 {
698     if( !bStateChangeCalled && HasDataLinks() )
699     {
700         css::uno::Any aAny;
701         aAny <<= rtl::OUString::valueOf( (sal_Int32)nState );
702         DataChanged( SotExchange::GetFormatName(
703                         sfx2::LinkManager::RegisterStatusInfoId()), aAny );
704         bStateChangeCalled = sal_True;
705     }
706 }
707 
708 
709