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00020 #include "konq_historymgr.h"
00021
00022 #include <dcopclient.h>
00023
00024 #include <kapplication.h>
00025 #include <kdebug.h>
00026 #include <ksavefile.h>
00027 #include <ksimpleconfig.h>
00028 #include <kstandarddirs.h>
00029
00030 #include <zlib.h>
00031
00032 #include "konqbookmarkmanager.h"
00033
00034 const Q_UINT32 KonqHistoryManager::s_historyVersion = 3;
00035
00036 KonqHistoryManager::KonqHistoryManager( QObject *parent, const char *name )
00037 : KParts::HistoryProvider( parent, name ),
00038 KonqHistoryComm( "KonqHistoryManager" )
00039 {
00040 m_updateTimer = new QTimer( this );
00041
00042
00043 KConfig *config = KGlobal::config();
00044 KConfigGroupSaver cs( config, "HistorySettings" );
00045 m_maxCount = config->readNumEntry( "Maximum of History entries", 500 );
00046 m_maxCount = QMAX( 1, m_maxCount );
00047 m_maxAgeDays = config->readNumEntry( "Maximum age of History entries", 90);
00048
00049 m_history.setAutoDelete( true );
00050 m_filename = locateLocal( "data",
00051 QString::fromLatin1("konqueror/konq_history" ));
00052
00053 if ( !kapp->dcopClient()->isAttached() )
00054 kapp->dcopClient()->attach();
00055
00056
00057
00058 m_pCompletion = new KCompletion;
00059 m_pCompletion->setOrder( KCompletion::Weighted );
00060
00061
00062 loadHistory();
00063
00064 connect( m_updateTimer, SIGNAL( timeout() ), SLOT( slotEmitUpdated() ));
00065 }
00066
00067
00068 KonqHistoryManager::~KonqHistoryManager()
00069 {
00070 delete m_pCompletion;
00071 clearPending();
00072 }
00073
00074 bool KonqHistoryManager::isSenderOfBroadcast()
00075 {
00076 DCOPClient *dc = callingDcopClient();
00077 return !dc || (dc->senderId() == dc->appId());
00078 }
00079
00080
00081 bool KonqHistoryManager::loadHistory()
00082 {
00083 clearPending();
00084 m_history.clear();
00085 m_pCompletion->clear();
00086
00087 QFile file( m_filename );
00088 if ( !file.open( IO_ReadOnly ) ) {
00089 if ( file.exists() )
00090 kdWarning() << "Can't open " << file.name() << endl;
00091
00092
00093 bool ret = loadFallback();
00094 emit loadingFinished();
00095 return ret;
00096 }
00097
00098 QDataStream fileStream( &file );
00099 QByteArray data;
00100
00101
00102 QDataStream crcStream( data, IO_ReadOnly );
00103
00104 if ( !fileStream.atEnd() ) {
00105 Q_UINT32 version;
00106 fileStream >> version;
00107
00108 QDataStream *stream = &fileStream;
00109
00110 bool crcChecked = false;
00111 bool crcOk = false;
00112
00113 if ( version == 2 || version == 3) {
00114 Q_UINT32 crc;
00115 crcChecked = true;
00116 fileStream >> crc >> data;
00117 crcOk = crc32( 0, reinterpret_cast<unsigned char *>( data.data() ), data.size() ) == crc;
00118 stream = &crcStream;
00119 }
00120
00121 if ( version == 3 )
00122 {
00123
00124 KonqHistoryEntry::marshalURLAsStrings = false;
00125 }
00126
00127 if ( version != 0 && version < 3 )
00128 {
00129
00130 KonqHistoryEntry::marshalURLAsStrings = true;
00131
00132
00133
00134
00135 Q_UINT32 dummy;
00136 *stream >> dummy;
00137 *stream >> dummy;
00138
00139
00140 version = 3;
00141 }
00142
00143 if ( s_historyVersion != version || ( crcChecked && !crcOk ) ) {
00144 kdWarning() << "The history version doesn't match, aborting loading" << endl;
00145 file.close();
00146 emit loadingFinished();
00147 return false;
00148 }
00149
00150
00151 while ( !stream->atEnd() ) {
00152 KonqHistoryEntry *entry = new KonqHistoryEntry;
00153 Q_CHECK_PTR( entry );
00154 *stream >> *entry;
00155
00156 m_history.append( entry );
00157 QString urlString2 = entry->url.prettyURL();
00158
00159 addToCompletion( urlString2, entry->typedURL, entry->numberOfTimesVisited );
00160
00161
00162 QString urlString = entry->url.url();
00163 KParts::HistoryProvider::insert( urlString );
00164
00165
00166
00167 if ( urlString != urlString2 )
00168 KParts::HistoryProvider::insert( urlString2 );
00169 }
00170
00171 kdDebug(1203) << "## loaded: " << m_history.count() << " entries." << endl;
00172
00173 m_history.sort();
00174 adjustSize();
00175 }
00176
00177
00178
00179
00180
00181
00182 KonqHistoryEntry::marshalURLAsStrings = true;
00183
00184
00185
00186
00187
00188
00189
00190
00191
00192 file.close();
00193 emit loadingFinished();
00194
00195 return true;
00196 }
00197
00198
00199
00200 bool KonqHistoryManager::saveHistory()
00201 {
00202 KSaveFile file( m_filename );
00203 if ( file.status() != 0 ) {
00204 kdWarning() << "Can't open " << file.name() << endl;
00205 return false;
00206 }
00207
00208 QDataStream *fileStream = file.dataStream();
00209 *fileStream << s_historyVersion;
00210
00211 QByteArray data;
00212 QDataStream stream( data, IO_WriteOnly );
00213
00214
00215
00216 KonqHistoryEntry::marshalURLAsStrings = false;
00217 QPtrListIterator<KonqHistoryEntry> it( m_history );
00218 KonqHistoryEntry *entry;
00219 while ( (entry = it.current()) ) {
00220 stream << *entry;
00221 ++it;
00222 }
00223
00224
00225 KonqHistoryEntry::marshalURLAsStrings = true;
00226
00227 Q_UINT32 crc = crc32( 0, reinterpret_cast<unsigned char *>( data.data() ), data.size() );
00228 *fileStream << crc << data;
00229
00230 file.close();
00231
00232 return true;
00233 }
00234
00235
00236 void KonqHistoryManager::adjustSize()
00237 {
00238 KonqHistoryEntry *entry = m_history.getFirst();
00239
00240 while ( m_history.count() > m_maxCount || isExpired( entry ) ) {
00241 removeFromCompletion( entry->url.prettyURL(), entry->typedURL );
00242
00243 QString urlString = entry->url.url();
00244 KParts::HistoryProvider::remove( urlString );
00245
00246 addToUpdateList( urlString );
00247
00248 emit entryRemoved( m_history.getFirst() );
00249 m_history.removeFirst();
00250
00251 entry = m_history.getFirst();
00252 }
00253 }
00254
00255
00256 void KonqHistoryManager::addPending( const KURL& url, const QString& typedURL,
00257 const QString& title )
00258 {
00259 addToHistory( true, url, typedURL, title );
00260 }
00261
00262 void KonqHistoryManager::confirmPending( const KURL& url,
00263 const QString& typedURL,
00264 const QString& title )
00265 {
00266 addToHistory( false, url, typedURL, title );
00267 }
00268
00269
00270 void KonqHistoryManager::addToHistory( bool pending, const KURL& _url,
00271 const QString& typedURL,
00272 const QString& title )
00273 {
00274 kdDebug(1203) << "## addToHistory: " << _url.prettyURL() << " Typed URL: " << typedURL << ", Title: " << title << endl;
00275
00276 if ( filterOut( _url ) )
00277 return;
00278
00279
00280 if ( _url.path().isEmpty() && _url.protocol().startsWith("http") )
00281 return;
00282
00283 KURL url( _url );
00284 url.setPass( QString::null );
00285 url.setHost( url.host().lower() );
00286 KonqHistoryEntry entry;
00287 QString u = url.prettyURL();
00288 entry.url = url;
00289 if ( u != typedURL )
00290 entry.typedURL = typedURL;
00291
00292
00293
00294
00295 if ( !pending && u != title )
00296 entry.title = title;
00297 entry.firstVisited = QDateTime::currentDateTime();
00298 entry.lastVisited = entry.firstVisited;
00299
00300 if ( !pending ) {
00301 QMapIterator<QString,KonqHistoryEntry*> it = m_pending.find( u );
00302
00303 if ( it != m_pending.end() ) {
00304 delete it.data();
00305 m_pending.remove( it );
00306
00307
00308
00309
00310 entry.numberOfTimesVisited = 0;
00311 }
00312 }
00313
00314 else {
00315
00316
00317
00318 KonqHistoryEntry *oldEntry = findEntry( url );
00319 m_pending.insert( u, oldEntry ?
00320 new KonqHistoryEntry( *oldEntry ) : 0L );
00321 }
00322
00323
00324 emitAddToHistory( entry );
00325 }
00326
00327
00328
00329
00330
00331
00332 void KonqHistoryManager::insert( const QString& url )
00333 {
00334 KURL u = url;
00335 if ( !filterOut( url ) || u.protocol() == "about" ) {
00336 return;
00337 }
00338
00339 KonqHistoryEntry entry;
00340 entry.url = u;
00341 entry.firstVisited = QDateTime::currentDateTime();
00342 entry.lastVisited = entry.firstVisited;
00343 emitAddToHistory( entry );
00344 }
00345
00346 void KonqHistoryManager::emitAddToHistory( const KonqHistoryEntry& entry )
00347 {
00348 QByteArray data;
00349 QDataStream stream( data, IO_WriteOnly );
00350 stream << entry << objId();
00351 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00352 "notifyHistoryEntry(KonqHistoryEntry, QCString)",
00353 data );
00354 }
00355
00356
00357 void KonqHistoryManager::removePending( const KURL& url )
00358 {
00359
00360
00361 if ( url.isLocalFile() )
00362 return;
00363
00364 QMapIterator<QString,KonqHistoryEntry*> it = m_pending.find( url.prettyURL() );
00365 if ( it != m_pending.end() ) {
00366 KonqHistoryEntry *oldEntry = it.data();
00367 emitRemoveFromHistory( url );
00368
00369 if ( oldEntry )
00370 emitAddToHistory( *oldEntry );
00371
00372 delete oldEntry;
00373 m_pending.remove( it );
00374 }
00375 }
00376
00377
00378 void KonqHistoryManager::clearPending()
00379 {
00380 QMapIterator<QString,KonqHistoryEntry*> it = m_pending.begin();
00381 while ( it != m_pending.end() ) {
00382 delete it.data();
00383 ++it;
00384 }
00385 m_pending.clear();
00386 }
00387
00388 void KonqHistoryManager::emitRemoveFromHistory( const KURL& url )
00389 {
00390 QByteArray data;
00391 QDataStream stream( data, IO_WriteOnly );
00392 stream << url << objId();
00393 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00394 "notifyRemove(KURL, QCString)", data );
00395 }
00396
00397 void KonqHistoryManager::emitRemoveFromHistory( const KURL::List& urls )
00398 {
00399 QByteArray data;
00400 QDataStream stream( data, IO_WriteOnly );
00401 stream << urls << objId();
00402 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00403 "notifyRemove(KURL::List, QCString)", data );
00404 }
00405
00406 void KonqHistoryManager::emitClear()
00407 {
00408 QByteArray data;
00409 QDataStream stream( data, IO_WriteOnly );
00410 stream << objId();
00411 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00412 "notifyClear(QCString)", data );
00413 }
00414
00415 void KonqHistoryManager::emitSetMaxCount( Q_UINT32 count )
00416 {
00417 QByteArray data;
00418 QDataStream stream( data, IO_WriteOnly );
00419 stream << count << objId();
00420 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00421 "notifyMaxCount(Q_UINT32, QCString)", data );
00422 }
00423
00424 void KonqHistoryManager::emitSetMaxAge( Q_UINT32 days )
00425 {
00426 QByteArray data;
00427 QDataStream stream( data, IO_WriteOnly );
00428 stream << days << objId();
00429 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00430 "notifyMaxAge(Q_UINT32, QCString)", data );
00431 }
00432
00434
00435
00436 void KonqHistoryManager::notifyHistoryEntry( KonqHistoryEntry e,
00437 QCString )
00438 {
00439
00440
00441 KonqHistoryEntry *entry = findEntry( e.url );
00442 QString urlString = e.url.url();
00443
00444 if ( !entry ) {
00445 entry = new KonqHistoryEntry;
00446 entry->url = e.url;
00447 entry->firstVisited = e.firstVisited;
00448 entry->numberOfTimesVisited = 0;
00449 m_history.append( entry );
00450 KParts::HistoryProvider::insert( urlString );
00451 }
00452
00453 if ( !e.typedURL.isEmpty() )
00454 entry->typedURL = e.typedURL;
00455 if ( !e.title.isEmpty() )
00456 entry->title = e.title;
00457 entry->numberOfTimesVisited += e.numberOfTimesVisited;
00458 entry->lastVisited = e.lastVisited;
00459
00460 addToCompletion( entry->url.prettyURL(), entry->typedURL );
00461
00462
00463
00464 adjustSize();
00465
00466
00467
00468
00469 bool updated = KonqBookmarkManager::self()->updateAccessMetadata( urlString );
00470
00471 if ( isSenderOfBroadcast() ) {
00472
00473 saveHistory();
00474
00475 if (updated)
00476 KonqBookmarkManager::self()->save();
00477 }
00478
00479 addToUpdateList( urlString );
00480 emit entryAdded( entry );
00481 }
00482
00483 void KonqHistoryManager::notifyMaxCount( Q_UINT32 count, QCString )
00484 {
00485 m_maxCount = count;
00486 clearPending();
00487 adjustSize();
00488
00489 KConfig *config = KGlobal::config();
00490 KConfigGroupSaver cs( config, "HistorySettings" );
00491 config->writeEntry( "Maximum of History entries", m_maxCount );
00492
00493 if ( isSenderOfBroadcast() ) {
00494 saveHistory();
00495 config->sync();
00496 }
00497 }
00498
00499 void KonqHistoryManager::notifyMaxAge( Q_UINT32 days, QCString )
00500 {
00501 m_maxAgeDays = days;
00502 clearPending();
00503 adjustSize();
00504
00505 KConfig *config = KGlobal::config();
00506 KConfigGroupSaver cs( config, "HistorySettings" );
00507 config->writeEntry( "Maximum age of History entries", m_maxAgeDays );
00508
00509 if ( isSenderOfBroadcast() ) {
00510 saveHistory();
00511 config->sync();
00512 }
00513 }
00514
00515 void KonqHistoryManager::notifyClear( QCString )
00516 {
00517 clearPending();
00518 m_history.clear();
00519 m_pCompletion->clear();
00520
00521 if ( isSenderOfBroadcast() )
00522 saveHistory();
00523
00524 KParts::HistoryProvider::clear();
00525 }
00526
00527 void KonqHistoryManager::notifyRemove( KURL url, QCString )
00528 {
00529 kdDebug(1203) << "#### Broadcast: remove entry:: " << url.prettyURL() << endl;
00530
00531
00532 KonqHistoryEntry *entry = m_history.findEntry( url );
00533
00534 if ( entry ) {
00535 removeFromCompletion( entry->url.prettyURL(), entry->typedURL );
00536
00537 QString urlString = entry->url.url();
00538 KParts::HistoryProvider::remove( urlString );
00539
00540 addToUpdateList( urlString );
00541
00542 m_history.take();
00543 emit entryRemoved( entry );
00544 delete entry;
00545
00546 if ( isSenderOfBroadcast() )
00547 saveHistory();
00548 }
00549 }
00550
00551 void KonqHistoryManager::notifyRemove( KURL::List urls, QCString )
00552 {
00553 kdDebug(1203) << "#### Broadcast: removing list!" << endl;
00554
00555 bool doSave = false;
00556 KURL::List::Iterator it = urls.begin();
00557 while ( it != urls.end() ) {
00558 KonqHistoryEntry *entry = m_history.findEntry( *it );
00559
00560 if ( entry ) {
00561 removeFromCompletion( entry->url.prettyURL(), entry->typedURL );
00562
00563 QString urlString = entry->url.url();
00564 KParts::HistoryProvider::remove( urlString );
00565
00566 addToUpdateList( urlString );
00567
00568 m_history.take();
00569 emit entryRemoved( entry );
00570 delete entry;
00571 doSave = true;
00572 }
00573
00574 ++it;
00575 }
00576
00577 if (doSave && isSenderOfBroadcast())
00578 saveHistory();
00579 }
00580
00581
00582
00583 bool KonqHistoryManager::loadFallback()
00584 {
00585 QString file = locateLocal( "config", QString::fromLatin1("konq_history"));
00586 if ( file.isEmpty() )
00587 return false;
00588
00589 KonqHistoryEntry *entry;
00590 KSimpleConfig config( file );
00591 config.setGroup("History");
00592 QStringList items = config.readListEntry( "CompletionItems" );
00593 QStringList::Iterator it = items.begin();
00594
00595 while ( it != items.end() ) {
00596 entry = createFallbackEntry( *it );
00597 if ( entry ) {
00598 m_history.append( entry );
00599 addToCompletion( entry->url.prettyURL(), QString::null, entry->numberOfTimesVisited );
00600
00601 KParts::HistoryProvider::insert( entry->url.url() );
00602 }
00603 ++it;
00604 }
00605
00606 m_history.sort();
00607 adjustSize();
00608 saveHistory();
00609
00610 return true;
00611 }
00612
00613
00614
00615
00616 KonqHistoryEntry * KonqHistoryManager::createFallbackEntry(const QString& item) const
00617 {
00618
00619 uint len = item.length();
00620 uint weight = 1;
00621
00622
00623 int index = item.findRev(':');
00624 if ( index > 0 ) {
00625 bool ok;
00626 weight = item.mid( index + 1 ).toUInt( &ok );
00627 if ( !ok )
00628 weight = 1;
00629
00630 len = index;
00631 }
00632
00633
00634 KonqHistoryEntry *entry = 0L;
00635 KURL u( item.left( len ));
00636 if ( u.isValid() ) {
00637 entry = new KonqHistoryEntry;
00638
00639 entry->url = u;
00640 entry->numberOfTimesVisited = weight;
00641
00642 entry->lastVisited = QDateTime::currentDateTime();
00643 }
00644
00645 return entry;
00646 }
00647
00648 KonqHistoryEntry * KonqHistoryManager::findEntry( const KURL& url )
00649 {
00650
00651 if ( !KParts::HistoryProvider::contains( url.url() ) )
00652 return 0L;
00653
00654 return m_history.findEntry( url );
00655 }
00656
00657 bool KonqHistoryManager::filterOut( const KURL& url )
00658 {
00659 return ( url.isLocalFile() || url.host().isEmpty() );
00660 }
00661
00662 void KonqHistoryManager::slotEmitUpdated()
00663 {
00664 emit KParts::HistoryProvider::updated( m_updateURLs );
00665 m_updateURLs.clear();
00666 }
00667
00668 QStringList KonqHistoryManager::allURLs() const
00669 {
00670 QStringList list;
00671 KonqHistoryIterator it ( m_history );
00672 for ( ; it.current(); ++it )
00673 list.append( it.current()->url.url() );
00674
00675 return list;
00676 }
00677
00678 void KonqHistoryManager::addToCompletion( const QString& url, const QString& typedURL,
00679 int numberOfTimesVisited )
00680 {
00681 m_pCompletion->addItem( url, numberOfTimesVisited );
00682
00683 m_pCompletion->addItem( typedURL, numberOfTimesVisited +10 );
00684 }
00685
00686 void KonqHistoryManager::removeFromCompletion( const QString& url, const QString& typedURL )
00687 {
00688 m_pCompletion->removeItem( url );
00689 m_pCompletion->removeItem( typedURL );
00690 }
00691
00693
00694
00695 KonqHistoryEntry * KonqHistoryList::findEntry( const KURL& url )
00696 {
00697
00698 KonqHistoryEntry *entry = last();
00699 while ( entry ) {
00700 if ( entry->url == url )
00701 return entry;
00702
00703 entry = prev();
00704 }
00705
00706 return 0L;
00707 }
00708
00709
00710 int KonqHistoryList::compareItems( QPtrCollection::Item item1,
00711 QPtrCollection::Item item2 )
00712 {
00713 KonqHistoryEntry *entry1 = static_cast<KonqHistoryEntry *>( item1 );
00714 KonqHistoryEntry *entry2 = static_cast<KonqHistoryEntry *>( item2 );
00715
00716 if ( entry1->lastVisited > entry2->lastVisited )
00717 return 1;
00718 else if ( entry1->lastVisited < entry2->lastVisited )
00719 return -1;
00720 else
00721 return 0;
00722 }
00723
00724 using namespace KParts;
00725
00726 #include "konq_historymgr.moc"