knode/knarticlemanager.cpp

   1 /*
   2     KNode, the KDE newsreader
   3     Copyright (c) 1999-2006 the KNode authors.
   4     See file AUTHORS for details
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10     You should have received a copy of the GNU General Public License
  11     along with this program; if not, write to the Free Software Foundation,
  12     Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
  13 */
  14
  15 #include "knarticlemanager.h"
  16
  17 #include "utils/scoped_cursor_override.h"
  18
  19 #include <QByteArray>
  20 #include <QList>
  21 #include <krun.h>
  22 #include <kmessagebox.h>
  23 #include <kmimetypetrader.h>
  24 #include <klocale.h>
  25 #include <kdebug.h>
  26 #include <kwindowsystem.h>
  27 #include <ktemporaryfile.h>
  28
  29 #include "articlewidget.h"
  30 #include "knmainwidget.h"
  31 #include "knglobals.h"
  32 #include "utilities.h"
  33 #include "knarticlemanager.h"
  34 #include "kngroupmanager.h"
  35 #include "knsearchdialog.h"
  36 #include "knfiltermanager.h"
  37 #include "knfolder.h"
  38 #include "knarticlefilter.h"
  39 #include "knhdrviewitem.h"
  40 #include "scheduler.h"
  41 #include "knnntpaccount.h"
  42 #include "knscoring.h"
  43 #include "knmemorymanager.h"
  44 #include "knarticlefactory.h"
  45 #include "knarticlewindow.h"
  46 #include "knfoldermanager.h"
  47 #include "headerview.h"
  48 #include "nntpjobs.h"
  49 #include "settings.h"
  50
  51 using namespace KNode;
  52 using namespace KNode::Utilities;
  53
  54
  55 KNArticleManager::KNArticleManager() : QObject(0)
  56 {
  57   f_ilterMgr = knGlobals.filterManager();
  58   f_ilter = f_ilterMgr->currentFilter();
  59   s_earchDlg=0;
  60   d_isableExpander=false;
  61
  62   connect(f_ilterMgr, SIGNAL(filterChanged(KNArticleFilter*)), this,
  63     SLOT(slotFilterChanged(KNArticleFilter*)));
  64 }
  65
  66
  67 KNArticleManager::~KNArticleManager()
  68 {
  69   delete s_earchDlg;
  70 }
  71
  72
  73 void KNArticleManager::deleteTempFiles()
  74 {
  75   for ( QList<KTemporaryFile*>::Iterator it = mTempFiles.begin(); it != mTempFiles.end(); ++it ) {
  76     delete (*it);
  77   }
  78   mTempFiles.clear();
  79 }
  80
  81
  82 void KNArticleManager::saveContentToFile(KMime::Content *c, QWidget *parent)
  83 {
  84   KNSaveHelper helper(c->contentType()->name(),parent);
  85
  86   QFile *file = helper.getFile(i18n("Save Attachment"));
  87
  88   if (file) {
  89     QByteArray data=c->decodedContent();
  90     if (file->write(data.data(), data.size()) == -1 )
  91       KNHelper::displayExternalFileError( parent );
  92   }
  93 }
  94
  95
  96 void KNArticleManager::saveArticleToFile( KNArticle::Ptr a, QWidget *parent )
  97 {
  98   QString fName = a->subject()->asUnicodeString();
  99   QString s = "";
 100
 101   for ( int i = 0; i < fName.length(); ++i )
 102     if (fName[i].isLetterOrNumber())
 103       s.append(fName[i]);
 104     else
 105       s.append(' ');
 106   fName = s.simplified();
 107   fName.replace(QRegExp("[\\s]"),"_");
 108
 109   KNSaveHelper helper(fName,parent);
 110   QFile *file = helper.getFile(i18n("Save Article"));
 111
 112   if (file) {
 113     QByteArray tmp=a->encodedContent(false);
 114     if ( file->write(tmp.data(), tmp.size()) == -1 )
 115       KNHelper::displayExternalFileError( parent );
 116   }
 117 }
 118
 119
 120 QString KNArticleManager::saveContentToTemp(KMime::Content *c)
 121 {
 122   QString path;
 123   KTemporaryFile* tmpFile;
 124   KMime::Headers::Base *pathHdr=c->headerByType("X-KNode-Tempfile");  // check for existing temp file
 125
 126   if(pathHdr) {
 127     path = pathHdr->asUnicodeString();
 128     bool found=false;
 129
 130     // lets see if the tempfile-path is still valid...
 131     for ( QList<KTemporaryFile*>::Iterator it = mTempFiles.begin(); it != mTempFiles.end(); ++it ) {
 132       if ( (*it)->fileName() == path ) {
 133         found = true;
 134         break;
 135       }
 136     }
 137
 138     if (found)
 139       return path;
 140     else
 141       c->removeHeader("X-KNode-Tempfile");
 142   }
 143
 144   tmpFile=new KTemporaryFile();
 145   if (!tmpFile->open()) {
 146     KNHelper::displayTempFileError();
 147     delete tmpFile;
 148     return QString();
 149   }
 150
 151   mTempFiles.append(tmpFile);
 152   QByteArray data=c->decodedContent();
 153   tmpFile->write(data.data(), data.size());
 154   tmpFile->flush();
 155   path=tmpFile->fileName();
 156   pathHdr=new KMime::Headers::Generic("X-KNode-Tempfile", c, path, "UTF-8");
 157   c->setHeader(pathHdr);
 158
 159   return path;
 160 }
 161
 162
 163 void KNArticleManager::openContent(KMime::Content *c)
 164 {
 165   QString path=saveContentToTemp(c);
 166   if(path.isNull()) return;
 167
 168   KService::Ptr offer = KMimeTypeTrader::self()->preferredService(c->contentType()->mimeType(), "Application");
 169   KUrl::List lst;
 170   KUrl url;
 171   url.setPath(path);
 172   lst.append(url);
 173
 174   if (offer)
 175     KRun::run(*offer, lst, knGlobals.top);
 176   else
 177     KRun::displayOpenWithDialog(lst, knGlobals.top);
 178 }
 179
 180
 181 void KNArticleManager::showHdrs(bool clear)
 182 {
 183   if(!g_roup && !f_older) return;
 184
 185   bool setFirstChild=true;
 186   bool showThreads=knGlobals.settings()->showThreads();
 187   bool expandThreads=knGlobals.settings()->defaultToExpandedThreads();
 188
 189   if(clear)
 190     v_iew->clear();
 191
 192   ScopedCursorOverride cursor( Qt::WaitCursor );
 193   knGlobals.setStatusMsg(i18n(" Creating list..."));
 194   knGlobals.top->secureProcessEvents();
 195
 196   if(g_roup) {
 197     KNRemoteArticle::Ptr art, ref, current;
 198
 199     current = boost::static_pointer_cast<KNRemoteArticle>( knGlobals.top->articleViewer()->article() );
 200
 201     if(current && (current->collection() != g_roup)) {
 202       current.reset();
 203       knGlobals.top->articleViewer()->setArticle( KNRemoteArticle::Ptr() );
 204     }
 205
 206     if(g_roup->isLocked())
 207       knGlobals.scheduler()->nntpMutex().lock();
 208
 209     if(f_ilter)
 210       f_ilter->doFilter(g_roup);
 211     else
 212       for(int i=0; i<g_roup->length(); i++) {
 213         art=g_roup->at(i);
 214         art->setFilterResult(true);
 215         art->setFiltered(true);
 216         ref = ( art->idRef() ? g_roup->byId( art->idRef() ) : KNRemoteArticle::Ptr() );
 217         art->setDisplayedReference(ref);
 218         if(ref)
 219           ref->setVisibleFollowUps(true);
 220       }
 221
 222     d_isableExpander=true;
 223
 224     for(int i=0; i<g_roup->length(); i++) {
 225
 226       art=g_roup->at(i);
 227       art->setThreadMode(showThreads);
 228
 229       if(showThreads) {
 230         art->propagateThreadChangedDate();
 231
 232         if( !art->listItem() && art->filterResult() ) {
 233
 234           // ### disable delayed header view item creation for now, it breaks
 235           // the quick search
 236           // since it doesn't seem to improve performance at all, it probably
 237           // could be removed entirely (see also slotItemExpanded(), etc.)
 238           /*if (!expandThreads) {
 239
 240             if( (ref=art->displayedReference()) ) {
 241
 242               if( ref->listItem() && ( ref->listItem()->isOpen() || ref->listItem()->childCount()>0 ) ) {
 243                 art->setListItem(new KNHdrViewItem(ref->listItem()));
 244                 art->initListItem();
 245               }
 246
 247             }
 248             else {
 249               art->setListItem(new KNHdrViewItem(v_iew));
 250               art->initListItem();
 251             }
 252
 253         } else {  // expandThreads == true */
 254             createThread(art);
 255             if ( expandThreads )
 256               art->listItem()->setOpen(true);
 257 //           }
 258
 259         }
 260         else if(art->listItem()) {
 261           art->updateListItem();
 262           if (expandThreads)
 263             art->listItem()->setOpen(true);
 264         }
 265
 266       }
 267       else {
 268
 269         if(!art->listItem() && art->filterResult()) {
 270           art->setListItem( new KNHdrViewItem( v_iew ), art );
 271           art->initListItem();
 272         } else if(art->listItem())
 273           art->updateListItem();
 274
 275       }
 276
 277     }
 278
 279     if (current && !current->filterResult()) {   // try to find a parent that is visible
 280       int idRef;
 281       while (current && !current->filterResult()) {
 282         idRef=current->idRef();
 283         if (idRef == -1)
 284           break;
 285         current = g_roup->byId(idRef);
 286       }
 287     }
 288
 289     if(current && current->filterResult()) {
 290       if(!current->listItem())
 291         createCompleteThread(current);
 292       v_iew->setActive( current->listItem() );
 293       setFirstChild=false;
 294     }
 295
 296     d_isableExpander=false;
 297
 298     if (g_roup->isLocked())
 299       knGlobals.scheduler()->nntpMutex().unlock();
 300   }
 301
 302   else { //folder
 303
 304     KNLocalArticle::Ptr art;
 305     if(f_ilter) {
 306       f_ilter->doFilter(f_older);
 307     } else {
 308       for(int i=0; i<f_older->length(); i++) {
 309         art=f_older->at(i);
 310         art->setFilterResult(true);
 311       }
 312     }
 313
 314     for(int idx=0; idx<f_older->length(); idx++) {
 315       art=f_older->at(idx);
 316
 317       if(!art->listItem() &&  art->filterResult()) {
 318         art->setListItem( new KNHdrViewItem( v_iew ), art );
 319         art->updateListItem();
 320       } else if(art->listItem())
 321         art->updateListItem();
 322     }
 323
 324   }
 325
 326   if(setFirstChild && v_iew->firstChild()) {
 327     v_iew->setCurrentItem(v_iew->firstChild());
 328     knGlobals.top->articleViewer()->setArticle( KNArticle::Ptr() );
 329   }
 330
 331   knGlobals.setStatusMsg( QString() );
 332   updateStatusString();
 333 }
 334
 335
 336 void KNArticleManager::updateViewForCollection( KNArticleCollection::Ptr c )
 337 {
 338   if(g_roup==c || f_older==c)
 339     showHdrs(false);
 340 }
 341
 342
 343 void KNArticleManager::updateListViewItems()
 344 {
 345   if(!g_roup && !f_older) return;
 346
 347   if(g_roup) {
 348     KNRemoteArticle::Ptr art;
 349
 350     for(int i=0; i<g_roup->length(); i++) {
 351       art=g_roup->at(i);
 352       if(art->listItem())
 353         art->updateListItem();
 354     }
 355   } else { //folder
 356     KNLocalArticle::Ptr art;
 357
 358     for(int idx=0; idx<f_older->length(); idx++) {
 359       art=f_older->at(idx);
 360       if(art->listItem())
 361         art->updateListItem();
 362     }
 363   }
 364 }
 365
 366
 367 void KNArticleManager::setAllThreadsOpen(bool b)
 368 {
 369   KNRemoteArticle::Ptr art;
 370   if(g_roup) {
 371     ScopedCursorOverride cursor( Qt::WaitCursor );
 372     d_isableExpander = true;
 373     for(int idx=0; idx<g_roup->length(); idx++) {
 374       art = g_roup->at(idx);
 375       if (art->listItem())
 376         art->listItem()->setOpen(b);
 377       else
 378         if (b && art->filterResult()) {
 379           createThread(art);
 380           art->listItem()->setOpen(true);
 381         }
 382     }
 383     d_isableExpander = false;
 384   }
 385 }
 386
 387
 388 void KNArticleManager::search()
 389 {
 390   if(s_earchDlg) {
 391     s_earchDlg->show();
 392 #ifdef Q_OS_UNIX
 393     KWindowSystem::activateWindow(s_earchDlg->winId());
 394 #endif
 395   } else {
 396     s_earchDlg = new SearchDialog( SearchDialog::STgroupSearch, 0 );
 397     connect(s_earchDlg, SIGNAL(doSearch(KNArticleFilter*)), this,
 398       SLOT(slotFilterChanged(KNArticleFilter*)));
 399     connect(s_earchDlg, SIGNAL(dialogDone()), this,
 400       SLOT(slotSearchDialogDone()));
 401     s_earchDlg->show();
 402   }
 403 }
 404
 405
 406 void KNArticleManager::setGroup( KNGroup::Ptr g )
 407 {
 408   g_roup = g;
 409   if ( g )
 410     emit aboutToShowGroup();
 411 }
 412
 413
 414 void KNArticleManager::setFolder( KNFolder::Ptr f )
 415 {
 416   f_older = f;
 417   if ( f )
 418     emit aboutToShowFolder();
 419 }
 420
 421
 422 KNArticleCollection::Ptr KNArticleManager::collection()
 423 {
 424   if(g_roup)
 425     return g_roup;
 426   if(f_older)
 427    return f_older;
 428
 429   return KNArticleCollection::Ptr();
 430 }
 431
 432
 433 bool KNArticleManager::loadArticle( KNArticle::Ptr a )
 434 {
 435   if (!a)
 436     return false;
 437
 438   if (a->hasContent())
 439     return true;
 440
 441   if (a->isLocked()) {
 442     if ( a->type() == KNArticle::ATremote )
 443       return true;   // locked == we are already loading this article...
 444     else
 445       return false;
 446   }
 447
 448   if ( a->type() == KNArticle::ATremote ) {
 449     KNGroup::Ptr g = boost::static_pointer_cast<KNGroup>( a->collection() );
 450     if(g)
 451       emitJob( new ArticleFetchJob( this, g->account(), a ) );
 452     else
 453       return false;
 454   }
 455   else { // local article
 456     KNFolder::Ptr f = boost::static_pointer_cast<KNFolder>( a->collection() );
 457    if( f && f->loadArticle( boost::static_pointer_cast<KNLocalArticle>( a ) ) )
 458       knGlobals.memoryManager()->updateCacheEntry(a);
 459     else
 460       return false;
 461   }
 462   return true;
 463 }
 464
 465
 466 bool KNArticleManager::unloadArticle( KNArticle::Ptr a, bool force )
 467 {
 468   if(!a || a->isLocked() )
 469     return false;
 470   if(!a->hasContent())
 471     return true;
 472
 473   if (!force && a->isNotUnloadable())
 474     return false;
 475
 476   if ( !force && ( ArticleWidget::articleVisible( a ) ) )
 477     return false;
 478
 479   if (!force && ( a->type()== KNArticle::ATlocal ) &&
 480       ( KNGlobals::self()->articleFactory()->findComposer( boost::static_pointer_cast<KNLocalArticle>( a ) ) != 0 ) )
 481     return false;
 482
 483   if ( !ArticleWindow::closeAllWindowsForArticle( a, force ) )
 484     if (!force)
 485       return false;
 486
 487   ArticleWidget::articleRemoved( a );
 488   if ( a->type() != KNArticle::ATlocal )
 489     KNGlobals::self()->articleFactory()->deleteComposerForArticle( boost::static_pointer_cast<KNLocalArticle>( a ) );
 490   a->updateListItem();
 491   knGlobals.memoryManager()->removeCacheEntry(a);
 492
 493   return true;
 494 }
 495
 496
 497 void KNArticleManager::copyIntoFolder( KNArticle::List &l, KNFolder::Ptr f )
 498 {
 499   if(!f) return;
 500
 501   KNLocalArticle::Ptr loc;
 502   KNLocalArticle::List l2;
 503
 504   for ( KNArticle::List::Iterator it = l.begin(); it != l.end(); ++it ) {
 505     if ( !(*it)->hasContent() )
 506       continue;
 507     loc = KNLocalArticle::Ptr( new KNLocalArticle( KNArticleCollection::Ptr() ) );
 508     loc->setEditDisabled(true);
 509     loc->setContent( (*it)->encodedContent() );
 510     loc->parse();
 511     l2.append(loc);
 512   }
 513
 514   if ( !l2.isEmpty() ) {
 515
 516     f->setNotUnloadable(true);
 517
 518     if ( !f->isLoaded() && !knGlobals.folderManager()->loadHeaders( f ) ) {
 519       l2.clear();
 520       f->setNotUnloadable(false);
 521       return;
 522     }
 523
 524     if( !f->saveArticles( l2 ) ) {
 525       for ( KNLocalArticle::List::Iterator it = l2.begin(); it != l2.end(); ++it ) {
 526         if ( (*it)->isOrphant() )
 527           (*it).reset(); // ok, this is ugly; we simply delete orphant articles
 528         else
 529           (*it)->KMime::Content::clear(); // no need to keep them in memory
 530       }
 531       KNHelper::displayInternalFileError();
 532     } else {
 533       for ( KNLocalArticle::List::Iterator it = l2.begin(); it != l2.end(); ++it )
 534         (*it)->KMime::Content::clear(); // no need to keep them in memory
 535       knGlobals.memoryManager()->updateCacheEntry( boost::static_pointer_cast<KNArticleCollection>( f ) );
 536     }
 537
 538     f->setNotUnloadable(false);
 539   }
 540 }
 541
 542
 543 void KNArticleManager::moveIntoFolder( KNLocalArticle::List &l, KNFolder::Ptr f )
 544 {
 545   if(!f) return;
 546   kDebug(5003) <<" Target folder:" << f->name();
 547
 548   f->setNotUnloadable(true);
 549
 550   if (!f->isLoaded() && !knGlobals.folderManager()->loadHeaders(f)) {
 551     f->setNotUnloadable(false);
 552     return;
 553   }
 554
 555   if ( f->saveArticles( l ) ) {
 556     for ( KNLocalArticle::List::Iterator it = l.begin(); it != l.end(); ++it )
 557       knGlobals.memoryManager()->updateCacheEntry( boost::static_pointer_cast<KNArticle>(*it) );
 558     knGlobals.memoryManager()->updateCacheEntry( boost::static_pointer_cast<KNArticleCollection>( f ) );
 559   } else {
 560     for ( KNLocalArticle::List::Iterator it = l.begin(); it != l.end(); ++it )
 561       if ( (*it)->isOrphant() )
 562         (*it).reset(); // ok, this is ugly; we simply delete orphant articles
 563     KNHelper::displayInternalFileError();
 564   }
 565
 566   f->setNotUnloadable(false);
 567 }
 568
 569
 570 bool KNArticleManager::deleteArticles(KNLocalArticle::List &l, bool ask)
 571 {
 572   if(ask) {
 573     QStringList lst;
 574     for ( KNLocalArticle::List::Iterator it = l.begin(); it != l.end(); ++it ) {
 575       if ( (*it)->isLocked() )
 576         continue;
 577       if ( (*it)->subject()->isEmpty() )
 578         lst << i18n("no subject");
 579       else
 580         lst << (*it)->subject()->asUnicodeString();
 581     }
 582     if( KMessageBox::Cancel == KMessageBox::warningContinueCancelList(
 583       knGlobals.topWidget, i18n("Do you really want to delete these articles?"), lst,
 584         i18n("Delete Articles"), KGuiItem(i18n("&Delete"),"edit-delete")) )
 585       return false;
 586   }
 587
 588   for ( KNLocalArticle::List::Iterator it = l.begin(); it != l.end(); ++it )
 589     knGlobals.memoryManager()->removeCacheEntry( boost::static_pointer_cast<KNArticle>(*it) );
 590
 591   KNFolder::Ptr f = boost::static_pointer_cast<KNFolder>( l.first()->collection() );
 592   if ( f ) {
 593     f->removeArticles( l, true );
 594     knGlobals.memoryManager()->updateCacheEntry( boost::static_pointer_cast<KNArticleCollection>( f ) );
 595     return false; // composers for those articles were already removed in removeArticles
 596   } else {
 597     l.clear();
 598   }
 599
 600   return true;
 601 }
 602
 603
 604 void KNArticleManager::setAllRead( bool read, int lastcount )
 605 {
 606   if ( !g_roup )
 607     return;
 608
 609   int groupLength = g_roup->length();
 610   int newCount = g_roup->newCount();
 611   int readCount = g_roup->readCount();
 612   int offset = lastcount;
 613
 614   if ( lastcount > groupLength || lastcount < 0 )
 615     offset = groupLength;
 616
 617   KNRemoteArticle::Ptr a;
 618   for ( int i = groupLength - offset; i < groupLength; i++ ) {
 619     a = g_roup->at( i );
 620     if ( a->getReadFlag() != read && !a->isIgnored() ) {
 621       a->setRead( read );
 622       a->setChanged( true );
 623       if ( !read ) {
 624         readCount--;
 625         if ( a->isNew() )
 626           newCount++;
 627       } else {
 628         readCount++;
 629         if ( a->isNew() )
 630           newCount--;
 631       }
 632     }
 633   }
 634
 635   g_roup->updateThreadInfo();
 636   if ( lastcount < 0 && read ) {
 637     // HACK: try to hide the effects of the ignore/filter new/unread count bug
 638     g_roup->setReadCount( groupLength );
 639     g_roup->setNewCount( 0 );
 640   } else {
 641     g_roup->setReadCount( readCount );
 642     g_roup->setNewCount( newCount );
 643   }
 644
 645   g_roup->updateListItem();
 646   showHdrs( true );
 647 }
 648
 649
 650 void KNArticleManager::setRead(KNRemoteArticle::List &l, bool r, bool handleXPosts)
 651 {
 652   if ( l.isEmpty() )
 653     return;
 654
 655   KNRemoteArticle::Ptr ref;
 656   KNGroup::Ptr g = boost::static_pointer_cast<KNGroup>( l.first()->collection() );
 657   int changeCnt=0, idRef=0;
 658
 659   for ( KNRemoteArticle::List::Iterator it = l.begin(); it != l.end(); ++it ) {
 660     if( r && knGlobals.settings()->markCrossposts() &&
 661         handleXPosts && (*it)->newsgroups()->isCrossposted() ) {
 662
 663       QList<QByteArray> groups = (*it)->newsgroups()->groups();
 664       KNGroup::Ptr targetGroup;
 665       KNRemoteArticle::Ptr xp;
 666       KNRemoteArticle::List al;
 667       QByteArray mid = (*it)->messageID()->as7BitString( false );
 668
 669       for ( QList<QByteArray>::Iterator it2 = groups.begin(); it2 != groups.end(); ++it2 ) {
 670         targetGroup = knGlobals.groupManager()->group(*it2, g->account());
 671         if (targetGroup) {
 672           if (targetGroup->isLoaded() && (xp=targetGroup->byMessageId(mid)) ) {
 673             al.clear();
 674             al.append(xp);
 675             setRead(al, r, false);
 676           } else {
 677             targetGroup->appendXPostID(mid);
 678           }
 679         }
 680       }
 681     }
 682
 683     else if ( (*it)->getReadFlag() != r ) {
 684       (*it)->setRead( r );
 685       (*it)->setChanged( true );
 686       (*it)->updateListItem();
 687
 688       if ( !(*it)->isIgnored() ) {
 689         changeCnt++;
 690         idRef = (*it)->idRef();
 691
 692         while ( idRef != 0 ) {
 693           ref=g->byId(idRef);
 694           if(r) {
 695             ref->decUnreadFollowUps();
 696             if ( (*it)->isNew() )
 697               ref->decNewFollowUps();
 698           }
 699           else {
 700             ref->incUnreadFollowUps();
 701             if ( (*it)->isNew() )
 702               ref->incNewFollowUps();
 703           }
 704
 705           if(ref->listItem() &&
 706              ((ref->unreadFollowUps()==0 || ref->unreadFollowUps()==1) ||
 707               (ref->newFollowUps()==0 || ref->newFollowUps()==1)))
 708             ref->updateListItem();
 709
 710           idRef=ref->idRef();
 711         }
 712
 713         if(r) {
 714           g->incReadCount();
 715           if ( (*it)->isNew() )
 716             g->decNewCount();
 717         }
 718         else {
 719           g->decReadCount();
 720           if ( (*it)->isNew() )
 721             g->incNewCount();
 722         }
 723       }
 724     }
 725   }
 726
 727   if(changeCnt>0) {
 728     g->updateListItem();
 729     if(g==g_roup)
 730       updateStatusString();
 731   }
 732 }
 733
 734
 735 void KNArticleManager::setAllNotNew()
 736 {
 737   if ( !g_roup )
 738     return;
 739   KNRemoteArticle::Ptr a;
 740   for ( int i = 0; i < g_roup->length(); ++i) {
 741     a = g_roup->at(i);
 742     if ( a->isNew() ) {
 743       a->setNew( false );
 744       a->setChanged( true );
 745     }
 746   }
 747   g_roup->setFirstNewIndex( -1 );
 748   g_roup->setNewCount( 0 );
 749   g_roup->updateThreadInfo();
 750 }
 751
 752
 753 bool KNArticleManager::toggleWatched(KNRemoteArticle::List &l)
 754 {
 755   if(l.isEmpty())
 756     return true;
 757
 758   KNRemoteArticle::Ptr a = l.first();
 759   KNRemoteArticle::Ptr ref;
 760   bool watch = (!a->isWatched());
 761   KNGroup::Ptr g = boost::static_pointer_cast<KNGroup>( a->collection() );
 762   int changeCnt=0, idRef=0;
 763
 764   for ( KNRemoteArticle::List::Iterator it = l.begin(); it != l.end(); ++it ) {
 765     if ( (*it)->isIgnored() ) {
 766       (*it)->setIgnored(false);
 767
 768       if ( !(*it)->getReadFlag() ) {
 769         changeCnt++;
 770         idRef = (*it)->idRef();
 771
 772         while ( idRef != 0 ) {
 773           ref=g->byId(idRef);
 774
 775           ref->incUnreadFollowUps();
 776           if ( (*it)->isNew() )
 777             ref->incNewFollowUps();
 778
 779           if(ref->listItem() &&
 780              ((ref->unreadFollowUps()==0 || ref->unreadFollowUps()==1) ||
 781               (ref->newFollowUps()==0 || ref->newFollowUps()==1)))
 782             ref->updateListItem();
 783
 784           idRef=ref->idRef();
 785         }
 786         g->decReadCount();
 787         if ( (*it)->isNew() )
 788           g->incNewCount();
 789       }
 790     }
 791
 792     (*it)->setWatched( watch );
 793     (*it)->updateListItem();
 794     (*it)->setChanged( true );
 795   }
 796
 797   if(changeCnt>0) {
 798     g->updateListItem();
 799     if(g==g_roup)
 800       updateStatusString();
 801   }
 802
 803   return watch;
 804 }
 805
 806
 807 bool KNArticleManager::toggleIgnored(KNRemoteArticle::List &l)
 808 {
 809   if(l.isEmpty())
 810     return true;
 811
 812   KNRemoteArticle::Ptr ref;
 813   bool ignore = !l.first()->isIgnored();
 814   KNGroup::Ptr g = boost::static_pointer_cast<KNGroup>( l.first()->collection() );
 815   int changeCnt = 0, idRef = 0;
 816
 817   for ( KNRemoteArticle::List::Iterator it = l.begin(); it != l.end(); ++it ) {
 818     (*it)->setWatched(false);
 819     if ( (*it)->isIgnored() != ignore ) {
 820       (*it)->setIgnored( ignore );
 821
 822       if ( !(*it)->getReadFlag() ) {
 823         changeCnt++;
 824         idRef = (*it)->idRef();
 825
 826         while ( idRef != 0 ) {
 827           ref = g->byId( idRef );
 828
 829           if ( ignore ) {
 830             ref->decUnreadFollowUps();
 831             if ( (*it)->isNew() )
 832               ref->decNewFollowUps();
 833           } else {
 834             ref->incUnreadFollowUps();
 835             if ( (*it)->isNew() )
 836               ref->incNewFollowUps();
 837           }
 838
 839           if(ref->listItem() &&
 840              ((ref->unreadFollowUps()==0 || ref->unreadFollowUps()==1) ||
 841               (ref->newFollowUps()==0 || ref->newFollowUps()==1)))
 842             ref->updateListItem();
 843
 844           idRef=ref->idRef();
 845         }
 846
 847         if ( ignore ) {
 848           g->incReadCount();
 849           if ( (*it)->isNew() )
 850             g->decNewCount();
 851         } else {
 852           g->decReadCount();
 853           if ( (*it)->isNew() )
 854             g->incNewCount();
 855         }
 856
 857       }
 858     }
 859     (*it)->updateListItem();
 860     (*it)->setChanged(true);
 861   }
 862
 863   if(changeCnt>0) {
 864     g->updateListItem();
 865     if(g==g_roup)
 866       updateStatusString();
 867   }
 868
 869   return ignore;
 870 }
 871
 872
 873 void  KNArticleManager::rescoreArticles(KNRemoteArticle::List &l)
 874 {
 875   if ( l.isEmpty() )
 876     return;
 877
 878   KNGroup::Ptr g = boost::static_pointer_cast<KNGroup>( l.first()->collection() );
 879   KScoringManager *sm = knGlobals.scoringManager();
 880   sm->initCache(g->groupname());
 881
 882   for ( KNRemoteArticle::List::Iterator it = l.begin(); it != l.end(); ++it ) {
 883     int defScore = 0;
 884     if ( (*it)->isIgnored())
 885       defScore = knGlobals.settings()->ignoredThreshold();
 886     else if ( (*it)->isWatched() )
 887       defScore = knGlobals.settings()->watchedThreshold();
 888     (*it)->setScore(defScore);
 889
 890     bool read = (*it)->isRead();
 891
 892     KNScorableArticle sa( (*it) );
 893     sm->applyRules(sa);
 894     (*it)->updateListItem();
 895     (*it)->setChanged( true );
 896
 897     if ( !read && (*it)->isRead() != read )
 898       g_roup->incReadCount();
 899   }
 900 }
 901
 902
 903 void KNArticleManager::processJob(KNJobData *j)
 904 {
 905   if(j->type()==KNJobData::JTfetchArticle && !j->canceled()) {
 906     KNRemoteArticle::Ptr a = boost::static_pointer_cast<KNRemoteArticle>( j->data() );
 907     if(j->success()) {
 908       ArticleWidget::articleChanged( a );
 909       if(!a->isOrphant()) //orphant articles are deleted by the displaying widget
 910         knGlobals.memoryManager()->updateCacheEntry( boost::static_pointer_cast<KNArticle>( a ) );
 911       if(a->listItem())
 912         a->updateListItem();
 913     } else {
 914       if ( j->error() == KIO::ERR_DOES_NOT_EXIST ) {
 915         // article is not available at the server anymore
 916         QString msgId = a->messageID()->as7BitString( false );
 917         // strip of '<' and '>'
 918         msgId = msgId.mid( 1, msgId.length() - 2 );
 919         ArticleWidget::articleLoadError( a,
 920             i18n("The article you requested is not available on your news server."
 921             "<br />You could try to get it from <a href=\"http://groups.google.com/groups?selm=%1\">groups.google.com</a>.",
 922               msgId ) );
 923         // mark article as read
 924         if ( knGlobals.settings()->autoMark() && !a->isOrphant() ) {
 925           KNRemoteArticle::List l;
 926           l.append( a );
 927           setRead( l, true );
 928         }
 929       } else
 930         ArticleWidget::articleLoadError( a, j->errorString() );
 931     }
 932   }
 933
 934   delete j;
 935 }
 936
 937
 938 void KNArticleManager::createThread( KNRemoteArticle::Ptr a )
 939 {
 940   KNRemoteArticle::Ptr ref = a->displayedReference();
 941
 942   if(ref) {
 943     if(!ref->listItem())
 944       createThread(ref);
 945     a->setListItem( new KNHdrViewItem( ref->listItem() ), a );
 946   }
 947   else
 948     a->setListItem( new KNHdrViewItem( v_iew ), a );
 949
 950   a->setThreadMode( knGlobals.settings()->showThreads() );
 951   a->initListItem();
 952 }
 953
 954
 955 void KNArticleManager::createCompleteThread( KNRemoteArticle::Ptr a )
 956 {
 957   KNRemoteArticle::Ptr ref = a->displayedReference();
 958   KNRemoteArticle::Ptr art, top;
 959   bool inThread=false;
 960   bool showThreads = knGlobals.settings()->showThreads();
 961
 962   while (ref->displayedReference() != 0)
 963     ref=ref->displayedReference();
 964
 965   top = ref;
 966
 967   if (!top->listItem())  // shouldn't happen
 968     return;
 969
 970   for(int i=0; i<g_roup->count(); i++) {
 971     art=g_roup->at(i);
 972     if(art->filterResult() && !art->listItem()) {
 973
 974       if(art->displayedReference()==top) {
 975         art->setListItem( new KNHdrViewItem( top->listItem() ), art );
 976         art->setThreadMode(showThreads);
 977         art->initListItem();
 978       }
 979       else {
 980         ref=art->displayedReference();
 981         inThread=false;
 982         while(ref && !inThread) {
 983           inThread=(ref==top);
 984           ref=ref->displayedReference();
 985         }
 986         if(inThread)
 987           createThread(art);
 988       }
 989     }
 990   }
 991
 992   if ( knGlobals.settings()->totalExpandThreads() )
 993     top->listItem()->expandChildren();
 994 }
 995
 996
 997 void KNArticleManager::updateStatusString()
 998 {
 999   int displCnt=0;
1000
1001   if(g_roup) {
1002     if(f_ilter)
1003       displCnt=f_ilter->count();
1004     else
1005       displCnt=g_roup->count();
1006
1007     QString name = g_roup->name();
1008     if (g_roup->status()==KNGroup::moderated)
1009       name += i18n(" (moderated)");
1010
1011     knGlobals.setStatusMsg(i18n(" %1: %2 new , %3 displayed",
1012                          name, g_roup->newCount(), displCnt),SB_GROUP);
1013
1014     if(f_ilter)
1015       knGlobals.setStatusMsg(i18n(" Filter: %1", f_ilter->translatedName()), SB_FILTER);
1016     else
1017       knGlobals.setStatusMsg( QString(), SB_FILTER );
1018   }
1019   else if(f_older) {
1020     if(f_ilter)
1021       displCnt=f_ilter->count();
1022     else
1023       displCnt=f_older->count();
1024     knGlobals.setStatusMsg(i18n(" %1: %2 displayed",
1025        f_older->name(), displCnt), SB_GROUP);
1026     knGlobals.setStatusMsg( QString(), SB_FILTER );
1027   } else {
1028     knGlobals.setStatusMsg( QString(), SB_GROUP );
1029     knGlobals.setStatusMsg( QString(), SB_FILTER );
1030   }
1031 }
1032
1033
1034 void KNArticleManager::slotFilterChanged(KNArticleFilter *f)
1035 {
1036   f_ilter=f;
1037   showHdrs();
1038 }
1039
1040
1041 void KNArticleManager::slotSearchDialogDone()
1042 {
1043   s_earchDlg->hide();
1044   slotFilterChanged(f_ilterMgr->currentFilter());
1045 }
1046
1047
1048 void KNArticleManager::slotItemExpanded(Q3ListViewItem *p)
1049 {
1050   if (d_isableExpander)  // we don't want to call this method recursively
1051     return;
1052   d_isableExpander = true;
1053
1054   KNRemoteArticle::Ptr top, art, ref;
1055   KNHdrViewItem *hdrItem;
1056   bool inThread=false;
1057   bool showThreads = knGlobals.settings()->showThreads();
1058   hdrItem=static_cast<KNHdrViewItem*>(p);
1059   top = boost::static_pointer_cast<KNRemoteArticle>( hdrItem->art );
1060
1061   if (p->childCount() == 0) {
1062     ScopedCursorOverride cursor( Qt::WaitCursor );
1063
1064     for(int i=0; i<g_roup->count(); i++) {
1065       art=g_roup->at(i);
1066       if(art->filterResult() && !art->listItem()) {
1067
1068         if(art->displayedReference()==top) {
1069           art->setListItem( new KNHdrViewItem( hdrItem ), art );
1070           art->setThreadMode(showThreads);
1071           art->initListItem();
1072         }
1073         else if( knGlobals.settings()->totalExpandThreads() ) { //totalExpand
1074           ref=art->displayedReference();
1075           inThread=false;
1076           while(ref && !inThread) {
1077             inThread=(ref==top);
1078             ref=ref->displayedReference();
1079           }
1080           if(inThread)
1081             createThread(art);
1082         }
1083       }
1084     }
1085
1086     cursor.restore();
1087   }
1088
1089   if ( knGlobals.settings()->totalExpandThreads() )
1090     hdrItem->expandChildren();
1091
1092   d_isableExpander = false;
1093 }
1094
1095
1096 void KNArticleManager::setView(KNHeaderView* v) {
1097   v_iew = v;
1098   if(v) {
1099     connect(v, SIGNAL(expanded(Q3ListViewItem*)), this,
1100       SLOT(slotItemExpanded(Q3ListViewItem*)));
1101   }
1102 }
1103
1104 //-----------------------------
1105 #include "knarticlemanager.moc"