xref: /trunk/main/sw/source/core/docnode/swbaslnk.cxx (revision a5b190bfa3e1bed4623e2958a8877664a3b5506c)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_sw.hxx"
30 
31 #include <hintids.hxx>
32 #include <vcl/svapp.hxx>
33 #include <vcl/outdev.hxx>
34 
35 #include <osl/thread.hxx>
36 #include <salhelper/condition.hxx>
37 #include <comphelper/mediadescriptor.hxx>
38 #include <sfx2/docfile.hxx>
39 #include <sfx2/lnkbase.hxx>
40 #include <sfx2/linkmgr.hxx>
41 #include <sfx2/objsh.hxx>
42 #include <editeng/boxitem.hxx>
43 #ifndef _SVX_SVXIDS_HRC
44 #include <svx/svxids.hrc>       // fuer die EventIds
45 #endif
46 #include <sfx2/linkmgr.hxx>
47 #include <svtools/soerr.hxx>
48 #include <fmtfsize.hxx>
49 #include <fmtanchr.hxx>
50 #include <frmatr.hxx>
51 #include <frmfmt.hxx>
52 #include <doc.hxx>
53 #include <pam.hxx>
54 #include <editsh.hxx>
55 #include <swtable.hxx>
56 #include <docary.hxx>
57 #include <swevent.hxx>
58 #include <swbaslnk.hxx>
59 #include <swserv.hxx>
60 #include <ndgrf.hxx>
61 #include <ndole.hxx>
62 #include <hints.hxx>
63 #include <tabfrm.hxx>
64 #include <cntfrm.hxx>
65 #include <htmltbl.hxx>
66 
67 using namespace com::sun::star;
68 
69 sal_Bool SetGrfFlySize( const Size& rGrfSz, const Size& rFrmSz, SwGrfNode* pGrfNd );
70 
71 TYPEINIT1( SwBaseLink, ::sfx2::SvBaseLink );
72 
73 SV_IMPL_REF( SwServerObject )
74 
75 void lcl_CallModify( SwGrfNode& rGrfNd, SfxPoolItem& rItem )
76 {
77     //JP 4.7.2001: call fist all not SwNoTxtFrames, then the SwNoTxtFrames.
78     //              The reason is, that in the SwNoTxtFrames the Graphic
79     //              after a Paint will be swapped out! So all other "behind"
80     //              them havent't a loaded Graphic. - #86501#
81     rGrfNd.LockModify();
82 
83     SwClientIter aIter( rGrfNd );   // TODO
84     for( int n = 0; n < 2; ++n )
85     {
86         SwClient * pLast = aIter.GoStart();
87         if( pLast )     // konnte zum Anfang gesprungen werden ??
88         {
89             do {
90                 if( (0 == n) ^ ( 0 != pLast->ISA( SwCntntFrm )) )
91                     pLast->ModifyNotification( &rItem, &rItem );
92             } while( 0 != ( pLast = ++aIter ));
93         }
94     }
95     rGrfNd.UnlockModify();
96 }
97 
98 
99 void SwBaseLink::DataChanged( const String& rMimeType,
100                             const uno::Any & rValue )
101 {
102     if( !pCntntNode )
103     {
104         ASSERT(!this, "DataChanged ohne ContentNode" );
105         return ;
106     }
107 
108     SwDoc* pDoc = pCntntNode->GetDoc();
109     if( pDoc->IsInDtor() || ChkNoDataFlag() || bIgnoreDataChanged )
110     {
111         bIgnoreDataChanged = sal_False;
112         return ;
113     }
114 
115     sal_uLong nFmt = SotExchange::GetFormatIdFromMimeType( rMimeType );
116 
117     if( pCntntNode->IsNoTxtNode() &&
118         nFmt == sfx2::LinkManager::RegisterStatusInfoId() )
119     {
120         // nur eine Statusaenderung - Events bedienen ?
121         ::rtl::OUString sState;
122         if( rValue.hasValue() && ( rValue >>= sState ))
123         {
124             sal_uInt16 nEvent = 0;
125             switch( sState.toInt32() )
126             {
127             case sfx2::LinkManager::STATE_LOAD_OK:      nEvent = SVX_EVENT_IMAGE_LOAD;  break;
128             case sfx2::LinkManager::STATE_LOAD_ERROR:   nEvent = SVX_EVENT_IMAGE_ERROR; break;
129             case sfx2::LinkManager::STATE_LOAD_ABORT:   nEvent = SVX_EVENT_IMAGE_ABORT; break;
130             }
131 
132             SwFrmFmt* pFmt;
133             if( nEvent && 0 != ( pFmt = pCntntNode->GetFlyFmt() ))
134             {
135                 SwCallMouseEvent aCallEvent;
136                 aCallEvent.Set( EVENT_OBJECT_IMAGE, pFmt );
137                 pDoc->CallEvent( nEvent, aCallEvent );
138             }
139         }
140         return;         // das wars!
141     }
142 
143     sal_Bool bUpdate = sal_False;
144     sal_Bool bGraphicArrived = sal_False;
145     sal_Bool bGraphicPieceArrived = sal_False;
146     sal_Bool bDontNotify = sal_False;
147     Size aGrfSz, aFrmFmtSz;
148 
149     if( pCntntNode->IsGrfNode() )
150     {
151         GraphicObject& rGrfObj = ((SwGrfNode*)pCntntNode)->GetGrfObj();
152 
153         bDontNotify = ((SwGrfNode*)pCntntNode)->IsFrameInPaint();
154 
155         bGraphicArrived = GetObj()->IsDataComplete();
156         bGraphicPieceArrived = GetObj()->IsPending();
157         ((SwGrfNode*)pCntntNode)->SetGrafikArrived( bGraphicArrived );
158 
159         Graphic aGrf;
160         if( sfx2::LinkManager::GetGraphicFromAny( rMimeType, rValue, aGrf ) &&
161             ( GRAPHIC_DEFAULT != aGrf.GetType() ||
162               GRAPHIC_DEFAULT != rGrfObj.GetType() ) )
163         {
164             aGrfSz = ::GetGraphicSizeTwip( aGrf, 0 );
165             if( static_cast< const SwGrfNode * >( pCntntNode )->IsChgTwipSizeFromPixel() )
166             {
167                 const MapMode aMapTwip( MAP_TWIP );
168                 aFrmFmtSz =
169                     Application::GetDefaultDevice()->PixelToLogic(
170                         aGrf.GetSizePixel(), aMapTwip );
171 
172             }
173             else
174             {
175                 aFrmFmtSz = aGrfSz;
176             }
177             Size aSz( ((SwGrfNode*)pCntntNode)->GetTwipSize() );
178 
179             if( bGraphicPieceArrived && GRAPHIC_DEFAULT != aGrf.GetType() &&
180                 ( !aSz.Width() || !aSz.Height() ) )
181             {
182                 // wenn nur ein Teil ankommt, aber die Groesse nicht
183                 // gesetzt ist, dann muss "unten" der Teil von
184                 // bGraphicArrived durchlaufen werden!
185                 // (ansonten wird die Grafik in deft. Size gepaintet)
186                 bGraphicArrived = sal_True;
187                 bGraphicPieceArrived = sal_False;
188             }
189 
190             rGrfObj.SetGraphic( aGrf, rGrfObj.GetLink() );
191             bUpdate = sal_True;
192 
193             // Bug 33999: damit der Node den Transparent-Status
194             //      richtig gesetzt hat, ohne auf die Grafik
195             //      zugreifen zu muessen (sonst erfolgt ein SwapIn!).
196             if( bGraphicArrived )
197             {
198                 // Bug #34735#: immer mit der korrekten Grafik-Size
199                 //              arbeiten
200                 if( aGrfSz.Height() && aGrfSz.Width() &&
201                     aSz.Height() && aSz.Width() &&
202                     aGrfSz != aSz )
203                     ((SwGrfNode*)pCntntNode)->SetTwipSize( aGrfSz );
204             }
205         }
206         if ( bUpdate && !bGraphicArrived && !bGraphicPieceArrived )
207             ((SwGrfNode*)pCntntNode)->SetTwipSize( Size(0,0) );
208     }
209     else if( pCntntNode->IsOLENode() )
210         bUpdate = sal_True;
211 
212     ViewShell *pSh = 0;
213     SwEditShell* pESh = pDoc->GetEditShell( &pSh );
214 
215     if ( bUpdate && bGraphicPieceArrived && !(bSwapIn || bDontNotify) )
216     {
217         //Hint ohne Actions verschicken, loest direktes Paint aus.
218         if ( (!pSh || !pSh->ActionPend()) && (!pESh || !pESh->ActionPend()) )
219         {
220             SwMsgPoolItem aMsgHint( RES_GRAPHIC_PIECE_ARRIVED );
221             pCntntNode->ModifyNotification( &aMsgHint, &aMsgHint );
222             bUpdate = sal_False;
223         }
224     }
225 
226     static sal_Bool bInNotifyLinks = sal_False;
227     if( bUpdate && !bDontNotify && (!bSwapIn || bGraphicArrived) &&
228         !bInNotifyLinks)
229     {
230         sal_Bool bLockView = sal_False;
231         if( pSh )
232         {
233             bLockView = pSh->IsViewLocked();
234             pSh->LockView( sal_True );
235         }
236 
237         if( pESh )
238             pESh->StartAllAction();
239         else if( pSh )
240             pSh->StartAction();
241 
242         SwMsgPoolItem aMsgHint( static_cast<sal_uInt16>(
243             bGraphicArrived ? RES_GRAPHIC_ARRIVED : RES_UPDATE_ATTR ) );
244 
245         if ( bGraphicArrived )
246         {
247             //Alle benachrichtigen, die am gleichen Link horchen.
248             bInNotifyLinks = sal_True;
249 
250             const ::sfx2::SvBaseLinks& rLnks = pDoc->GetLinkManager().GetLinks();
251             for( sal_uInt16 n = rLnks.Count(); n; )
252             {
253                 ::sfx2::SvBaseLink* pLnk = &(*rLnks[ --n ]);
254                 if( pLnk && OBJECT_CLIENT_GRF == pLnk->GetObjType() &&
255                     pLnk->ISA( SwBaseLink ) && pLnk->GetObj() == GetObj() )
256                 {
257                     SwBaseLink* pBLink = (SwBaseLink*)pLnk;
258                     SwGrfNode* pGrfNd = (SwGrfNode*)pBLink->pCntntNode;
259 
260                     if( pBLink != this &&
261                         ( !bSwapIn ||
262                             GRAPHIC_DEFAULT == pGrfNd->GetGrfObj().GetType()))
263                     {
264                         pBLink->bIgnoreDataChanged = sal_False;
265                         pBLink->DataChanged( rMimeType, rValue );
266                         pBLink->bIgnoreDataChanged = sal_True;
267 
268                         pGrfNd->SetGrafikArrived( ((SwGrfNode*)pCntntNode)->
269                                                     IsGrafikArrived() );
270 
271                         // Fly der Grafik anpassen !
272                         if( !::SetGrfFlySize( aGrfSz, aFrmFmtSz, pGrfNd ) )
273                             ::lcl_CallModify( *pGrfNd, aMsgHint );
274                     }
275                     else if( pBLink == this &&
276                             !::SetGrfFlySize( aGrfSz, aFrmFmtSz, pGrfNd ) )
277                         // Fly der Grafik anpassen !
278                         ::lcl_CallModify( *pGrfNd, aMsgHint );
279                 }
280             }
281 
282             bInNotifyLinks = sal_False;
283         }
284         else
285         {
286             pCntntNode->ModifyNotification( &aMsgHint, &aMsgHint );
287         }
288 
289 
290         if( pESh )
291         {
292             const sal_Bool bEndActionByVirDev = pESh->IsEndActionByVirDev();
293             pESh->SetEndActionByVirDev( sal_True );
294             pESh->EndAllAction();
295             pESh->SetEndActionByVirDev( bEndActionByVirDev );
296         }
297         else if( pSh )
298             pSh->EndAction();
299 
300         if( pSh && !bLockView )
301             pSh->LockView( sal_False );
302     }
303 }
304 
305 sal_Bool SetGrfFlySize( const Size& rGrfSz, const Size& rFrmSz, SwGrfNode* pGrfNd )
306 {
307     sal_Bool bRet = sal_False;
308     ViewShell *pSh;
309     CurrShell *pCurr = 0;
310     if ( pGrfNd->GetDoc()->GetEditShell( &pSh ) )
311         pCurr = new CurrShell( pSh );
312 
313     Size aSz = pGrfNd->GetTwipSize();
314     if ( !(aSz.Width() && aSz.Height()) &&
315             rGrfSz.Width() && rGrfSz.Height() )
316     {
317         SwFrmFmt* pFmt;
318         if( pGrfNd->IsChgTwipSize() &&
319             0 != (pFmt = pGrfNd->GetFlyFmt()) )
320         {
321             Size aCalcSz( aSz );
322             if ( !aSz.Height() && aSz.Width() )
323                 //passende Hoehe ausrechnen.
324                 aCalcSz.Height() = rFrmSz.Height() *
325                         aSz.Width() / rFrmSz.Width();
326             else if ( !aSz.Width() && aSz.Height() )
327                 //passende Breite ausrechnen
328                 aCalcSz.Width() = rFrmSz.Width() *
329                         aSz.Height() / rFrmSz.Height();
330             else
331                 //Hoehe und Breite uebernehmen
332                 aCalcSz = rFrmSz;
333 
334             const SvxBoxItem     &rBox = pFmt->GetBox();
335             aCalcSz.Width() += rBox.CalcLineSpace(BOX_LINE_LEFT) +
336                                rBox.CalcLineSpace(BOX_LINE_RIGHT);
337             aCalcSz.Height()+= rBox.CalcLineSpace(BOX_LINE_TOP) +
338                                rBox.CalcLineSpace(BOX_LINE_BOTTOM);
339             const SwFmtFrmSize& rOldAttr = pFmt->GetFrmSize();
340             if( rOldAttr.GetSize() != aCalcSz )
341             {
342                 SwFmtFrmSize aAttr( rOldAttr  );
343                 aAttr.SetSize( aCalcSz );
344                 pFmt->SetFmtAttr( aAttr );
345                 bRet = sal_True;
346             }
347 
348             if( !aSz.Width() )
349             {
350                 // Wenn die Grafik in einer Tabelle verankert ist, muess
351                 // die Tabellen-Spalten neu berechnet werden
352                 const SwDoc *pDoc = pGrfNd->GetDoc();
353                 const SwPosition* pAPos = pFmt->GetAnchor().GetCntntAnchor();
354                 SwNode *pANd;
355                 SwTableNode *pTblNd;
356                 if( pAPos &&
357                     0 != (pANd = & pAPos->nNode.GetNode()) &&
358                     0 != (pTblNd = pANd->FindTableNode()) )
359                 {
360                     const sal_Bool bLastGrf = !pTblNd->GetTable().DecGrfsThatResize();
361                     SwHTMLTableLayout *pLayout =
362                         pTblNd->GetTable().GetHTMLTableLayout();
363                     if( pLayout )
364                     {
365                         const sal_uInt16 nBrowseWidth =
366                                     pLayout->GetBrowseWidthByTable( *pDoc );
367                         if ( nBrowseWidth )
368                         {
369                             pLayout->Resize( nBrowseWidth, sal_True, sal_True,
370                                              bLastGrf ? HTMLTABLE_RESIZE_NOW
371                                                       : 500 );
372                         }
373                     }
374                 }
375             }
376         }
377 
378         // SetTwipSize skaliert ggf. eine ImageMap neu und
379         // braucht dazu das Frame-Format
380         pGrfNd->SetTwipSize( rGrfSz );
381     }
382 
383     delete pCurr;
384 
385     return bRet;
386 }
387 
388 
389 sal_Bool SwBaseLink::SwapIn( sal_Bool bWaitForData, sal_Bool bNativFormat )
390 {
391     bSwapIn = sal_True;
392 
393     sal_Bool bRes;
394 
395     if( !GetObj() && ( bNativFormat || ( !IsSynchron() && bWaitForData ) ))
396     {
397         AddNextRef();
398         _GetRealObject();
399         ReleaseRef();
400     }
401 
402 #if OSL_DEBUG_LEVEL > 1
403     {
404         String sGrfNm;
405         if(GetLinkManager())
406             GetLinkManager()->GetDisplayNames( this, 0, &sGrfNm, 0, 0 );
407         int x = 0;
408         ++x;
409     }
410 #endif
411 
412     if( GetObj() )
413     {
414         String aMimeType( SotExchange::GetFormatMimeType( GetContentType() ));
415         uno::Any aValue;
416         GetObj()->GetData( aValue, aMimeType, !IsSynchron() && bWaitForData );
417 
418         if( bWaitForData && !GetObj() )
419         {
420             ASSERT( !this, "das SvxFileObject wurde in einem GetData geloescht!" );
421             bRes = sal_False;
422         }
423         else if( 0 != ( bRes = aValue.hasValue() ) )
424         {
425             //JP 14.04.99: Bug 64820 - das Flag muss beim SwapIn natuerlich
426             //              zurueckgesetzt werden. Die Daten sollen ja neu
427             //              uebernommen werden
428             bIgnoreDataChanged = sal_False;
429             DataChanged( aMimeType, aValue );
430         }
431     }
432     else if( !IsSynchron() && bWaitForData )
433     {
434         SetSynchron( sal_True );
435         bRes = Update();
436         SetSynchron( sal_False );
437     }
438     else
439         bRes = Update();
440 
441     bSwapIn = sal_False;
442     return bRes;
443 }
444 
445 void SwBaseLink::Closed()
446 {
447     if( pCntntNode && !pCntntNode->GetDoc()->IsInDtor() )
448     {
449         // wir heben die Verbindung auf
450         if( pCntntNode->IsGrfNode() )
451             ((SwGrfNode*)pCntntNode)->ReleaseLink();
452     }
453     SvBaseLink::Closed();
454 }
455 
456 const SwNode* SwBaseLink::GetAnchor() const
457 {
458     if (pCntntNode)
459     {
460         SwFrmFmt *const pFmt = pCntntNode->GetFlyFmt();
461         if (pFmt)
462         {
463             const SwFmtAnchor& rAnchor = pFmt->GetAnchor();
464             SwPosition const*const pAPos = rAnchor.GetCntntAnchor();
465             if (pAPos &&
466                 ((FLY_AS_CHAR == rAnchor.GetAnchorId()) ||
467                  (FLY_AT_CHAR == rAnchor.GetAnchorId()) ||
468                  (FLY_AT_FLY  == rAnchor.GetAnchorId()) ||
469                  (FLY_AT_PARA == rAnchor.GetAnchorId())))
470             {
471                     return &pAPos->nNode.GetNode();
472             }
473             return 0;
474         }
475     }
476 
477     ASSERT( !this, "GetAnchor nicht ueberlagert" );
478     return 0;
479 }
480 
481 sal_Bool SwBaseLink::IsRecursion( const SwBaseLink* pChkLnk ) const
482 {
483     SwServerObjectRef aRef( (SwServerObject*)GetObj() );
484     if( aRef.Is() )
485     {
486         // es ist ein ServerObject, also frage nach allen darin
487         // befindlichen Links, ob wir darin enthalten sind. Ansonsten
488         // handelt es sich um eine Rekursion.
489         return aRef->IsLinkInServer( pChkLnk );
490     }
491     return sal_False;
492 }
493 
494 sal_Bool SwBaseLink::IsInRange( sal_uLong, sal_uLong, xub_StrLen, xub_StrLen ) const
495 {
496     // Grafik oder OLE-Links nicht,
497     // Felder oder Sections haben eigene Ableitung!
498     return sal_False;
499 }
500 
501 SwBaseLink::~SwBaseLink()
502 {
503 }
504