1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 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 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 // MARKER(update_precomp.py): autogen include statement, do not remove 23 #include "precompiled_sfx2.hxx" 24 25 #include <sfx2/linkmgr.hxx> 26 #include <com/sun/star/document/UpdateDocMode.hpp> 27 #include <com/sun/star/lang/XMultiServiceFactory.hpp> 28 #include <com/sun/star/util/XURLTransformer.hpp> 29 30 #include <sfx2/objsh.hxx> 31 #include <svl/urihelper.hxx> 32 #include <sot/formats.hxx> 33 #include <tools/urlobj.hxx> 34 #include <sot/exchange.hxx> 35 #include <tools/debug.hxx> 36 #include <vcl/msgbox.hxx> 37 #include <sfx2/lnkbase.hxx> 38 #include <sfx2/app.hxx> 39 #include <vcl/graph.hxx> 40 #include <svl/stritem.hxx> 41 #include <svl/eitem.hxx> 42 #include <svl/intitem.hxx> 43 #include <unotools/localfilehelper.hxx> 44 #include <comphelper/processfactory.hxx> 45 #include <i18npool/mslangid.hxx> 46 #include <sfx2/request.hxx> 47 #include <vcl/dibtools.hxx> 48 49 #include "fileobj.hxx" 50 #include "impldde.hxx" 51 #include "app.hrc" 52 #include "sfx2/sfxresid.hxx" 53 54 #define _SVSTDARR_STRINGSDTOR 55 #include <svl/svstdarr.hxx> 56 57 namespace sfx2 58 { 59 60 class SvxInternalLink : public sfx2::SvLinkSource 61 { 62 public: 63 SvxInternalLink() {} 64 65 virtual sal_Bool Connect( sfx2::SvBaseLink* ); 66 }; 67 68 69 SV_IMPL_PTRARR( SvBaseLinks, SvBaseLinkRefPtr ) 70 71 LinkManager::LinkManager(SfxObjectShell* p) 72 : pPersist(p), 73 mAutoAskUpdateAllLinks(sal_False), 74 mUpdateAsked(sal_False) 75 { 76 } 77 78 LinkManager::~LinkManager() 79 { 80 SvBaseLinkRef** ppRef = (SvBaseLinkRef**)aLinkTbl.GetData(); 81 for( sal_uInt16 n = aLinkTbl.Count(); n; --n, ++ppRef ) 82 { 83 if( (*ppRef)->Is() ) 84 { 85 (*(*ppRef))->Disconnect(); 86 (*(*ppRef))->SetLinkManager( NULL ); 87 } 88 delete *ppRef; 89 } 90 } 91 92 93 /************************************************************************ 94 |* LinkManager::Remove() 95 |* 96 |* Description 97 *************************************************************************/ 98 99 void LinkManager::Remove( SvBaseLink *pLink ) 100 { 101 // do not insert links double 102 int bFound = sal_False; 103 SvBaseLinkRef** ppRef = (SvBaseLinkRef**)aLinkTbl.GetData(); 104 for( sal_uInt16 n = aLinkTbl.Count(); n; --n, ++ppRef ) 105 { 106 if( pLink == *(*ppRef) ) 107 { 108 (*(*ppRef))->Disconnect(); 109 (*(*ppRef))->SetLinkManager( NULL ); 110 (*(*ppRef)).Clear(); 111 bFound = sal_True; 112 } 113 114 // if there are still some empty ones, get rid of them 115 if( !(*ppRef)->Is() ) 116 { 117 delete *ppRef; 118 aLinkTbl.Remove( aLinkTbl.Count() - n, 1 ); 119 if( bFound ) 120 return ; 121 --ppRef; 122 } 123 } 124 } 125 126 127 void LinkManager::Remove( sal_uInt16 nPos, sal_uInt16 nCnt ) 128 { 129 if( nCnt && nPos < aLinkTbl.Count() ) 130 { 131 if( nPos + nCnt > aLinkTbl.Count() ) 132 nCnt = aLinkTbl.Count() - nPos; 133 134 SvBaseLinkRef** ppRef = (SvBaseLinkRef**)aLinkTbl.GetData() + nPos; 135 for( sal_uInt16 n = nCnt; n; --n, ++ppRef ) 136 { 137 if( (*ppRef)->Is() ) 138 { 139 (*(*ppRef))->Disconnect(); 140 (*(*ppRef))->SetLinkManager( NULL ); 141 } 142 delete *ppRef; 143 } 144 aLinkTbl.Remove( nPos, nCnt ); 145 } 146 } 147 148 149 sal_Bool LinkManager::Insert( SvBaseLink* pLink ) 150 { 151 152 // do not insert links double 153 for( sal_uInt16 n = 0; n < aLinkTbl.Count(); ++n ) 154 { 155 SvBaseLinkRef* pTmp = aLinkTbl[ n ]; 156 if( !pTmp->Is() ) 157 aLinkTbl.DeleteAndDestroy( n-- ); 158 159 if( pLink == *pTmp ) 160 return sal_False; 161 } 162 163 SvBaseLinkRef* pTmp = new SvBaseLinkRef( pLink ); 164 pLink->SetLinkManager( this ); 165 aLinkTbl.Insert( pTmp, aLinkTbl.Count() ); 166 if (mAutoAskUpdateAllLinks) 167 { 168 Window *parent = NULL; 169 SfxObjectShell* persist = GetPersist(); 170 if (persist != NULL) 171 parent = GetPersist()->GetDialogParent(); 172 173 SetUserAllowsLinkUpdate(pLink, GetUserAllowsLinkUpdate(parent)); 174 } 175 176 return sal_True; 177 } 178 179 180 sal_Bool LinkManager::InsertLink( SvBaseLink * pLink, 181 sal_uInt16 nObjType, 182 sal_uInt16 nUpdateMode, 183 const String* pName ) 184 { 185 // in any case: do this first 186 pLink->SetObjType( nObjType ); 187 if( pName ) 188 pLink->SetName( *pName ); 189 pLink->SetUpdateMode( nUpdateMode ); 190 return Insert( pLink ); 191 } 192 193 194 sal_Bool LinkManager::InsertDDELink( SvBaseLink * pLink, 195 const String& rServer, 196 const String& rTopic, 197 const String& rItem ) 198 { 199 if( !( OBJECT_CLIENT_SO & pLink->GetObjType() ) ) 200 return sal_False; 201 202 String sCmd; 203 ::sfx2::MakeLnkName( sCmd, &rServer, rTopic, rItem ); 204 205 pLink->SetObjType( OBJECT_CLIENT_DDE ); 206 pLink->SetName( sCmd ); 207 return Insert( pLink ); 208 } 209 210 211 sal_Bool LinkManager::InsertDDELink( SvBaseLink * pLink ) 212 { 213 DBG_ASSERT( OBJECT_CLIENT_SO & pLink->GetObjType(), "no OBJECT_CLIENT_SO" ); 214 if( !( OBJECT_CLIENT_SO & pLink->GetObjType() ) ) 215 return sal_False; 216 217 if( pLink->GetObjType() == OBJECT_CLIENT_SO ) 218 pLink->SetObjType( OBJECT_CLIENT_DDE ); 219 220 return Insert( pLink ); 221 } 222 223 224 // ask for the strings to be used in the dialog 225 sal_Bool LinkManager::GetDisplayNames( const SvBaseLink * pLink, 226 String* pType, 227 String* pFile, 228 String* pLinkStr, 229 String* pFilter ) const 230 { 231 sal_Bool bRet = sal_False; 232 const String sLNm( pLink->GetLinkSourceName() ); 233 if( sLNm.Len() ) 234 { 235 switch( pLink->GetObjType() ) 236 { 237 case OBJECT_CLIENT_FILE: 238 case OBJECT_CLIENT_GRF: 239 case OBJECT_CLIENT_OLE: 240 { 241 sal_uInt16 nPos = 0; 242 String sFile( sLNm.GetToken( 0, ::sfx2::cTokenSeperator, nPos ) ); 243 String sRange( sLNm.GetToken( 0, ::sfx2::cTokenSeperator, nPos ) ); 244 245 if( pFile ) 246 *pFile = sFile; 247 if( pLinkStr ) 248 *pLinkStr = sRange; 249 if( pFilter ) 250 *pFilter = sLNm.Copy( nPos ); 251 252 if( pType ) 253 { 254 sal_uInt16 nObjType = pLink->GetObjType(); 255 *pType = String( SfxResId( 256 ( OBJECT_CLIENT_FILE == nObjType || OBJECT_CLIENT_OLE == nObjType ) 257 ? RID_SVXSTR_FILELINK 258 : RID_SVXSTR_GRAFIKLINK )); 259 } 260 bRet = sal_True; 261 } 262 break; 263 case OBJECT_CLIENT_DDE: 264 { 265 sal_uInt16 nTmp = 0; 266 String sCmd( sLNm ); 267 String sServer( sCmd.GetToken( 0, cTokenSeperator, nTmp ) ); 268 String sTopic( sCmd.GetToken( 0, cTokenSeperator, nTmp ) ); 269 270 if( pType ) 271 *pType = sServer; 272 if( pFile ) 273 *pFile = sTopic; 274 if( pLinkStr ) 275 *pLinkStr = sCmd.Copy( nTmp ); 276 bRet = sal_True; 277 } 278 break; 279 default: 280 break; 281 } 282 } 283 284 return bRet; 285 } 286 287 void LinkManager::SetAutoAskUpdateAllLinks() 288 { 289 mAutoAskUpdateAllLinks = sal_True; 290 mUpdateAsked = sal_False; 291 } 292 293 void LinkManager::SetNeverAskUpdateAllLinks() 294 { 295 mAutoAskUpdateAllLinks = sal_False; 296 mAllowUpdate = sal_True; 297 mUpdateAsked = sal_True; 298 } 299 300 sal_Bool LinkManager::GetUserAllowsLinkUpdate(Window *pParentWin) 301 { 302 if (!mUpdateAsked) 303 { 304 if (QueryBox(pParentWin, WB_YES_NO | WB_DEF_NO, SfxResId(STR_QUERY_UPDATE_LINKS)).Execute() == RET_YES) 305 mAllowUpdate = sal_True; 306 else 307 mAllowUpdate = sal_False; 308 mUpdateAsked = sal_True; 309 } 310 return mAllowUpdate; 311 } 312 313 void LinkManager::SetUserAllowsLinkUpdate(SvBaseLink *pLink, sal_Bool allows) 314 { 315 SfxObjectShell* pShell = pLink->GetLinkManager()->GetPersist(); 316 317 if (pShell) 318 { 319 comphelper::EmbeddedObjectContainer& rEmbeddedObjectContainer = pShell->getEmbeddedObjectContainer(); 320 rEmbeddedObjectContainer.setUserAllowsLinkUpdate(allows); 321 } 322 } 323 324 325 void LinkManager::UpdateAllLinks( 326 sal_Bool bAskUpdate, 327 sal_Bool /*bCallErrHdl*/, 328 sal_Bool bUpdateGrfLinks, 329 Window* pParentWin ) 330 { 331 SvStringsDtor aApps, aTopics, aItems; 332 String sApp, sTopic, sItem; 333 334 // first create a copy of the array, so that updated links to not interfere with ... in between!! 335 SvPtrarr aTmpArr( 255, 50 ); 336 sal_uInt16 n; 337 for( n = 0; n < aLinkTbl.Count(); ++n ) 338 { 339 SvBaseLink* pLink = *aLinkTbl[ n ]; 340 if( !pLink ) 341 { 342 Remove( n-- ); 343 continue; 344 } 345 aTmpArr.Insert( pLink, aTmpArr.Count() ); 346 } 347 348 for( n = 0; n < aTmpArr.Count(); ++n ) 349 { 350 SvBaseLink* pLink = (SvBaseLink*)aTmpArr[ n ]; 351 352 // first search the entry in the array 353 sal_uInt16 nFndPos = USHRT_MAX; 354 for( sal_uInt16 i = 0; i < aLinkTbl.Count(); ++i ) 355 if( pLink == *aLinkTbl[ i ] ) 356 { 357 nFndPos = i; 358 break; 359 } 360 361 if( USHRT_MAX == nFndPos ) 362 continue; // was not already existing! 363 364 // do not update graphic links yet 365 if( !pLink->IsVisible() || 366 ( !bUpdateGrfLinks && OBJECT_CLIENT_GRF == pLink->GetObjType() )) 367 continue; 368 369 sal_Bool allows = sal_True; 370 371 if (bAskUpdate) 372 { 373 allows = GetUserAllowsLinkUpdate(pParentWin); 374 } 375 376 SetUserAllowsLinkUpdate(pLink, allows); 377 bAskUpdate = sal_False; // one time is OK 378 379 if (allows) 380 pLink->Update(); 381 } 382 } 383 384 /************************************************************************ 385 |* SvBaseLink::CreateObject() 386 |* 387 |* Description 388 *************************************************************************/ 389 390 SvLinkSourceRef LinkManager::CreateObj( SvBaseLink * pLink ) 391 { 392 switch( pLink->GetObjType() ) 393 { 394 case OBJECT_CLIENT_FILE: 395 case OBJECT_CLIENT_GRF: 396 case OBJECT_CLIENT_OLE: 397 return new SvFileObject; 398 case OBJECT_INTERN: 399 return new SvxInternalLink; 400 case OBJECT_CLIENT_DDE: 401 return new SvDDEObject; 402 default: 403 return SvLinkSourceRef(); 404 } 405 } 406 407 sal_Bool LinkManager::InsertServer( SvLinkSource* pObj ) 408 { 409 // do not insert double 410 if( !pObj || USHRT_MAX != aServerTbl.GetPos( pObj ) ) 411 return sal_False; 412 413 aServerTbl.Insert( pObj, aServerTbl.Count() ); 414 return sal_True; 415 } 416 417 418 void LinkManager::RemoveServer( SvLinkSource* pObj ) 419 { 420 sal_uInt16 nPos = aServerTbl.GetPos( pObj ); 421 if( USHRT_MAX != nPos ) 422 aServerTbl.Remove( nPos, 1 ); 423 } 424 425 426 void MakeLnkName( String& rName, const String* pType, const String& rFile, 427 const String& rLink, const String* pFilter ) 428 { 429 if( pType ) 430 (rName = *pType).EraseLeadingChars().EraseTrailingChars() += cTokenSeperator; 431 else if( rName.Len() ) 432 rName.Erase(); 433 434 ((rName += rFile).EraseLeadingChars().EraseTrailingChars() += 435 cTokenSeperator ).EraseLeadingChars().EraseTrailingChars() += rLink; 436 if( pFilter ) 437 ((rName += cTokenSeperator ) += *pFilter).EraseLeadingChars().EraseTrailingChars(); 438 } 439 440 sal_Bool LinkManager::InsertFileLink( sfx2::SvBaseLink& rLink, 441 sal_uInt16 nFileType, 442 const String& rFileNm, 443 const String* pFilterNm, 444 const String* pRange ) 445 { 446 if( !( OBJECT_CLIENT_SO & rLink.GetObjType() )) 447 return sal_False; 448 449 String sCmd( rFileNm ); 450 sCmd += ::sfx2::cTokenSeperator; 451 if( pRange ) 452 sCmd += *pRange; 453 if( pFilterNm ) 454 ( sCmd += ::sfx2::cTokenSeperator ) += *pFilterNm; 455 456 return InsertLink( &rLink, nFileType, sfx2::LINKUPDATE_ONCALL, &sCmd ); 457 } 458 459 sal_Bool LinkManager::InsertFileLink( sfx2::SvBaseLink& rLink ) 460 { 461 if( OBJECT_CLIENT_FILE == ( OBJECT_CLIENT_FILE & rLink.GetObjType() )) 462 return InsertLink( &rLink, rLink.GetObjType(), sfx2::LINKUPDATE_ONCALL ); 463 return sal_False; 464 } 465 466 // a transfer will be discontinued, therefore cancel all DownloadMedia 467 // (at the moment only interesting for the FileLinks!) 468 void LinkManager::CancelTransfers() 469 { 470 SvFileObject* pFileObj; 471 sfx2::SvBaseLink* pLnk; 472 473 const sfx2::SvBaseLinks& rLnks = GetLinks(); 474 for( sal_uInt16 n = rLnks.Count(); n; ) 475 if( 0 != ( pLnk = &(*rLnks[ --n ])) && 476 OBJECT_CLIENT_FILE == (OBJECT_CLIENT_FILE & pLnk->GetObjType()) && 477 0 != ( pFileObj = (SvFileObject*)pLnk->GetObj() ) ) 478 // 0 != ( pFileObj = (SvFileObject*)SvFileObject::ClassFactory()-> 479 // CastAndAddRef( pLnk->GetObj() )) ) 480 pFileObj->CancelTransfers(); 481 } 482 483 // to send status information from the FileObject to the BaseLink, there is an own ClipboardId. 484 // The SvData object has then the respective information as string. 485 // Currently this will be used for FileObject in connection with JavaScript 486 // - that needs information about Load/Abort/Error 487 sal_uIntPtr LinkManager::RegisterStatusInfoId() 488 { 489 static sal_uIntPtr nFormat = 0; 490 491 if( !nFormat ) 492 { 493 // how does the new interface look like? 494 // nFormat = Exchange::RegisterFormatName( "StatusInfo vom SvxInternalLink" ); 495 nFormat = SotExchange::RegisterFormatName( 496 String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( 497 "StatusInfo vom SvxInternalLink" ))); 498 } 499 return nFormat; 500 } 501 502 // ---------------------------------------------------------------------- 503 504 sal_Bool LinkManager::GetGraphicFromAny( const String& rMimeType, 505 const ::com::sun::star::uno::Any & rValue, 506 Graphic& rGrf ) 507 { 508 sal_Bool bRet = sal_False; 509 ::com::sun::star::uno::Sequence< sal_Int8 > aSeq; 510 if( rValue.hasValue() && ( rValue >>= aSeq ) ) 511 { 512 SvMemoryStream aMemStm( (void*)aSeq.getConstArray(), aSeq.getLength(), 513 STREAM_READ ); 514 aMemStm.Seek( 0 ); 515 516 switch( SotExchange::GetFormatIdFromMimeType( rMimeType ) ) 517 { 518 case SOT_FORMATSTR_ID_SVXB: 519 { 520 aMemStm >> rGrf; 521 bRet = sal_True; 522 } 523 break; 524 case FORMAT_GDIMETAFILE: 525 { 526 GDIMetaFile aMtf; 527 aMtf.Read( aMemStm ); 528 rGrf = aMtf; 529 bRet = sal_True; 530 } 531 break; 532 case FORMAT_BITMAP: 533 { 534 Bitmap aBmp; 535 ReadDIB(aBmp, aMemStm, true); 536 rGrf = aBmp; 537 bRet = sal_True; 538 } 539 break; 540 } 541 } 542 return bRet; 543 } 544 545 sal_Bool LinkManager::urlIsSafe( const ::rtl::OUString &url ) 546 { 547 if ( url.getLength() == 0 ) { 548 return sal_False; 549 } 550 if ( !xURLTransformer.is() ) { 551 const com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > xContext ( ::comphelper::getProcessComponentContext() ); 552 com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiComponentFactory > xFactory ( xContext->getServiceManager(), ::com::sun::star::uno::UNO_QUERY ); 553 if ( !xFactory.is() ) { 554 return sal_False; 555 } 556 xURLTransformer.set( xFactory->createInstanceWithContext( rtl::OUString::createFromAscii( "com.sun.star.util.URLTransformer" ), xContext), com::sun::star::uno::UNO_QUERY ); 557 if ( !xURLTransformer.is() ) { 558 return sal_False; 559 } 560 } 561 com::sun::star::util::URL aURL; 562 aURL.Complete = url; 563 sal_Bool b = xURLTransformer->parseSmart( aURL, ::rtl::OUString() ); 564 if ( !b ) { 565 return sal_False; 566 } 567 return urlIsSafe( aURL ); 568 } 569 570 sal_Bool LinkManager::urlIsSafe( const ::com::sun::star::util::URL &url ) 571 { 572 sal_Bool result = ( url.Path.getLength() == 0 ) && 573 ( url.Server.getLength() == 0); 574 return result; 575 } 576 577 578 sal_Bool LinkManager::urlIsVendor( const ::rtl::OUString &url ) 579 { 580 if ( url.matchIgnoreAsciiCaseAsciiL( "vnd.sun.star.", 13, 0 ) ) { 581 return url.matchIgnoreAsciiCaseAsciiL ( "expand", 6, 13 ) || 582 url.matchIgnoreAsciiCaseAsciiL ( "script", 6, 13 ) || 583 url.matchIgnoreAsciiCaseAsciiL ( "tdoc", 4, 13 ) || 584 url.matchIgnoreAsciiCaseAsciiL ( "uno", 3, 13 ); 585 } 586 return sal_False; 587 } 588 589 590 // ---------------------------------------------------------------------- 591 String lcl_DDE_RelToAbs( const String& rTopic, const String& rBaseURL ) 592 { 593 String sRet; 594 INetURLObject aURL( rTopic ); 595 if( INET_PROT_NOT_VALID == aURL.GetProtocol() ) 596 utl::LocalFileHelper::ConvertSystemPathToURL( rTopic, rBaseURL, sRet ); 597 if( !sRet.Len() ) 598 sRet = URIHelper::SmartRel2Abs( INetURLObject(rBaseURL), rTopic, URIHelper::GetMaybeFileHdl(), true ); 599 return sRet; 600 } 601 602 sal_Bool SvxInternalLink::Connect( sfx2::SvBaseLink* pLink ) 603 { 604 SfxObjectShell* pFndShell = 0; 605 sal_uInt16 nUpdateMode = com::sun::star::document::UpdateDocMode::NO_UPDATE; 606 String sTopic, sItem, sReferer; 607 if( pLink->GetLinkManager() && 608 pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sTopic, &sItem ) 609 && sTopic.Len() ) 610 { 611 // for the moment run through the DocumentShells and search for the ones with names: 612 613 com::sun::star::lang::Locale aLocale; 614 MsLangId::convertLanguageToLocale( LANGUAGE_SYSTEM, aLocale ); 615 CharClass aCC( aLocale ); 616 617 String sNm( sTopic ), sTmp; 618 aCC.toLower( sNm ); 619 620 TypeId aType( TYPE(SfxObjectShell) ); 621 622 sal_Bool bFirst = sal_True; 623 SfxObjectShell* pShell = pLink->GetLinkManager()->GetPersist(); 624 if( pShell && pShell->GetMedium() ) 625 { 626 sReferer = pShell->GetMedium()->GetBaseURL(); 627 SFX_ITEMSET_ARG( pShell->GetMedium()->GetItemSet(), pItem, SfxUInt16Item, SID_UPDATEDOCMODE, sal_False ); 628 if ( pItem ) 629 nUpdateMode = pItem->GetValue(); 630 } 631 632 String sNmURL( lcl_DDE_RelToAbs( sTopic, sReferer ) ); 633 aCC.toLower( sNmURL ); 634 635 if ( !pShell ) 636 { 637 bFirst = sal_False; 638 pShell = SfxObjectShell::GetFirst( &aType, sal_False ); 639 } 640 641 while( pShell ) 642 { 643 if( !sTmp.Len() ) 644 { 645 sTmp = pShell->GetTitle( SFX_TITLE_FULLNAME ); 646 sTmp = lcl_DDE_RelToAbs(sTmp, sReferer ); 647 } 648 649 650 aCC.toLower( sTmp ); 651 if( sTmp == sNmURL ) // these we want to have 652 { 653 pFndShell = pShell; 654 break; 655 } 656 657 if( bFirst ) 658 { 659 bFirst = sal_False; 660 pShell = SfxObjectShell::GetFirst( &aType, sal_False ); 661 } 662 else 663 pShell = SfxObjectShell::GetNext( *pShell, &aType, sal_False ); 664 665 sTmp.Erase(); 666 } 667 } 668 669 // empty topics are not allowed - which document is it 670 if( !sTopic.Len() ) 671 return sal_False; 672 673 if( !pFndShell ) 674 { 675 // try to load the file: 676 INetURLObject aURL( sTopic ); 677 INetProtocol eOld = aURL.GetProtocol(); 678 aURL.SetURL( sTopic = lcl_DDE_RelToAbs( sTopic, sReferer ) ); 679 if( INET_PROT_NOT_VALID != eOld || 680 INET_PROT_HTTP != aURL.GetProtocol() ) 681 { 682 SfxStringItem aName( SID_FILE_NAME, sTopic ); 683 SfxBoolItem aMinimized(SID_MINIMIZED, sal_True); 684 SfxBoolItem aHidden(SID_HIDDEN, sal_True); 685 SfxStringItem aTarget( SID_TARGETNAME, String::CreateFromAscii("_blank") ); 686 SfxStringItem aReferer( SID_REFERER, sReferer ); 687 SfxUInt16Item aUpdate( SID_UPDATEDOCMODE, nUpdateMode ); 688 SfxBoolItem aReadOnly(SID_DOC_READONLY, sal_True); 689 690 // #i14200# (DDE-link crashes wordprocessor) 691 SfxAllItemSet aArgs( SFX_APP()->GetPool() ); 692 aArgs.Put(aReferer); 693 aArgs.Put(aTarget); 694 aArgs.Put(aHidden); 695 aArgs.Put(aMinimized); 696 aArgs.Put(aName); 697 aArgs.Put(aUpdate); 698 aArgs.Put(aReadOnly); 699 pFndShell = SfxObjectShell::CreateAndLoadObject( aArgs ); 700 } 701 } 702 703 sal_Bool bRet = sal_False; 704 if( pFndShell ) 705 { 706 sfx2::SvLinkSource* pNewSrc = pFndShell->DdeCreateLinkSource( sItem ); 707 if( pNewSrc ) 708 { 709 bRet = sal_True; 710 711 ::com::sun::star::datatransfer::DataFlavor aFl; 712 SotExchange::GetFormatDataFlavor( pLink->GetContentType(), aFl ); 713 714 pLink->SetObj( pNewSrc ); 715 pNewSrc->AddDataAdvise( pLink, aFl.MimeType, 716 sfx2::LINKUPDATE_ONCALL == pLink->GetUpdateMode() 717 ? ADVISEMODE_ONLYONCE 718 : 0 ); 719 } 720 } 721 return bRet; 722 } 723 724 725 } 726