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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 bool hasPass = url.hasPass();
00285 url.setPass( QString::null );
00286 url.setHost( url.host().lower() );
00287 KonqHistoryEntry entry;
00288 QString u = url.prettyURL();
00289 entry.url = url;
00290 if ( (u != typedURL) && !hasPass )
00291 entry.typedURL = typedURL;
00292
00293
00294
00295
00296 if ( !pending && u != title )
00297 entry.title = title;
00298 entry.firstVisited = QDateTime::currentDateTime();
00299 entry.lastVisited = entry.firstVisited;
00300
00301 if ( !pending ) {
00302 QMapIterator<QString,KonqHistoryEntry*> it = m_pending.find( u );
00303
00304 if ( it != m_pending.end() ) {
00305 delete it.data();
00306 m_pending.remove( it );
00307
00308
00309
00310
00311 entry.numberOfTimesVisited = 0;
00312 }
00313 }
00314
00315 else {
00316
00317
00318
00319 KonqHistoryEntry *oldEntry = findEntry( url );
00320 m_pending.insert( u, oldEntry ?
00321 new KonqHistoryEntry( *oldEntry ) : 0L );
00322 }
00323
00324
00325 emitAddToHistory( entry );
00326 }
00327
00328
00329
00330
00331
00332
00333 void KonqHistoryManager::insert( const QString& url )
00334 {
00335 KURL u ( url );
00336 if ( !filterOut( u ) || u.protocol() == "about" ) {
00337 return;
00338 }
00339
00340 KonqHistoryEntry entry;
00341 entry.url = u;
00342 entry.firstVisited = QDateTime::currentDateTime();
00343 entry.lastVisited = entry.firstVisited;
00344 emitAddToHistory( entry );
00345 }
00346
00347 void KonqHistoryManager::emitAddToHistory( const KonqHistoryEntry& entry )
00348 {
00349 QByteArray data;
00350 QDataStream stream( data, IO_WriteOnly );
00351 stream << entry << objId();
00352 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00353 "notifyHistoryEntry(KonqHistoryEntry, QCString)",
00354 data );
00355 }
00356
00357
00358 void KonqHistoryManager::removePending( const KURL& url )
00359 {
00360
00361
00362 if ( url.isLocalFile() )
00363 return;
00364
00365 QMapIterator<QString,KonqHistoryEntry*> it = m_pending.find( url.prettyURL() );
00366 if ( it != m_pending.end() ) {
00367 KonqHistoryEntry *oldEntry = it.data();
00368 emitRemoveFromHistory( url );
00369
00370 if ( oldEntry )
00371 emitAddToHistory( *oldEntry );
00372
00373 delete oldEntry;
00374 m_pending.remove( it );
00375 }
00376 }
00377
00378
00379 void KonqHistoryManager::clearPending()
00380 {
00381 QMapIterator<QString,KonqHistoryEntry*> it = m_pending.begin();
00382 while ( it != m_pending.end() ) {
00383 delete it.data();
00384 ++it;
00385 }
00386 m_pending.clear();
00387 }
00388
00389 void KonqHistoryManager::emitRemoveFromHistory( const KURL& url )
00390 {
00391 QByteArray data;
00392 QDataStream stream( data, IO_WriteOnly );
00393 stream << url << objId();
00394 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00395 "notifyRemove(KURL, QCString)", data );
00396 }
00397
00398 void KonqHistoryManager::emitRemoveFromHistory( const KURL::List& urls )
00399 {
00400 QByteArray data;
00401 QDataStream stream( data, IO_WriteOnly );
00402 stream << urls << objId();
00403 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00404 "notifyRemove(KURL::List, QCString)", data );
00405 }
00406
00407 void KonqHistoryManager::emitClear()
00408 {
00409 QByteArray data;
00410 QDataStream stream( data, IO_WriteOnly );
00411 stream << objId();
00412 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00413 "notifyClear(QCString)", data );
00414 }
00415
00416 void KonqHistoryManager::emitSetMaxCount( Q_UINT32 count )
00417 {
00418 QByteArray data;
00419 QDataStream stream( data, IO_WriteOnly );
00420 stream << count << objId();
00421 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00422 "notifyMaxCount(Q_UINT32, QCString)", data );
00423 }
00424
00425 void KonqHistoryManager::emitSetMaxAge( Q_UINT32 days )
00426 {
00427 QByteArray data;
00428 QDataStream stream( data, IO_WriteOnly );
00429 stream << days << objId();
00430 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00431 "notifyMaxAge(Q_UINT32, QCString)", data );
00432 }
00433
00435
00436
00437 void KonqHistoryManager::notifyHistoryEntry( KonqHistoryEntry e,
00438 QCString )
00439 {
00440
00441
00442 KonqHistoryEntry *entry = findEntry( e.url );
00443 QString urlString = e.url.url();
00444
00445 if ( !entry ) {
00446 entry = new KonqHistoryEntry;
00447 entry->url = e.url;
00448 entry->firstVisited = e.firstVisited;
00449 entry->numberOfTimesVisited = 0;
00450 m_history.append( entry );
00451 KParts::HistoryProvider::insert( urlString );
00452 }
00453
00454 if ( !e.typedURL.isEmpty() )
00455 entry->typedURL = e.typedURL;
00456 if ( !e.title.isEmpty() )
00457 entry->title = e.title;
00458 entry->numberOfTimesVisited += e.numberOfTimesVisited;
00459 entry->lastVisited = e.lastVisited;
00460
00461 addToCompletion( entry->url.prettyURL(), entry->typedURL );
00462
00463
00464
00465 adjustSize();
00466
00467
00468
00469
00470 bool updated = KonqBookmarkManager::self()->updateAccessMetadata( urlString );
00471
00472 if ( isSenderOfBroadcast() ) {
00473
00474 saveHistory();
00475
00476 if (updated)
00477 KonqBookmarkManager::self()->save();
00478 }
00479
00480 addToUpdateList( urlString );
00481 emit entryAdded( entry );
00482 }
00483
00484 void KonqHistoryManager::notifyMaxCount( Q_UINT32 count, QCString )
00485 {
00486 m_maxCount = count;
00487 clearPending();
00488 adjustSize();
00489
00490 KConfig *config = KGlobal::config();
00491 KConfigGroupSaver cs( config, "HistorySettings" );
00492 config->writeEntry( "Maximum of History entries", m_maxCount );
00493
00494 if ( isSenderOfBroadcast() ) {
00495 saveHistory();
00496 config->sync();
00497 }
00498 }
00499
00500 void KonqHistoryManager::notifyMaxAge( Q_UINT32 days, QCString )
00501 {
00502 m_maxAgeDays = days;
00503 clearPending();
00504 adjustSize();
00505
00506 KConfig *config = KGlobal::config();
00507 KConfigGroupSaver cs( config, "HistorySettings" );
00508 config->writeEntry( "Maximum age of History entries", m_maxAgeDays );
00509
00510 if ( isSenderOfBroadcast() ) {
00511 saveHistory();
00512 config->sync();
00513 }
00514 }
00515
00516 void KonqHistoryManager::notifyClear( QCString )
00517 {
00518 clearPending();
00519 m_history.clear();
00520 m_pCompletion->clear();
00521
00522 if ( isSenderOfBroadcast() )
00523 saveHistory();
00524
00525 KParts::HistoryProvider::clear();
00526 }
00527
00528 void KonqHistoryManager::notifyRemove( KURL url, QCString )
00529 {
00530 kdDebug(1203) << "#### Broadcast: remove entry:: " << url.prettyURL() << endl;
00531
00532
00533 KonqHistoryEntry *entry = m_history.findEntry( url );
00534
00535 if ( entry ) {
00536 removeFromCompletion( entry->url.prettyURL(), entry->typedURL );
00537
00538 QString urlString = entry->url.url();
00539 KParts::HistoryProvider::remove( urlString );
00540
00541 addToUpdateList( urlString );
00542
00543 m_history.take();
00544 emit entryRemoved( entry );
00545 delete entry;
00546
00547 if ( isSenderOfBroadcast() )
00548 saveHistory();
00549 }
00550 }
00551
00552 void KonqHistoryManager::notifyRemove( KURL::List urls, QCString )
00553 {
00554 kdDebug(1203) << "#### Broadcast: removing list!" << endl;
00555
00556 bool doSave = false;
00557 KURL::List::Iterator it = urls.begin();
00558 while ( it != urls.end() ) {
00559 KonqHistoryEntry *entry = m_history.findEntry( *it );
00560
00561 if ( entry ) {
00562 removeFromCompletion( entry->url.prettyURL(), entry->typedURL );
00563
00564 QString urlString = entry->url.url();
00565 KParts::HistoryProvider::remove( urlString );
00566
00567 addToUpdateList( urlString );
00568
00569 m_history.take();
00570 emit entryRemoved( entry );
00571 delete entry;
00572 doSave = true;
00573 }
00574
00575 ++it;
00576 }
00577
00578 if (doSave && isSenderOfBroadcast())
00579 saveHistory();
00580 }
00581
00582
00583
00584 bool KonqHistoryManager::loadFallback()
00585 {
00586 QString file = locateLocal( "config", QString::fromLatin1("konq_history"));
00587 if ( file.isEmpty() )
00588 return false;
00589
00590 KonqHistoryEntry *entry;
00591 KSimpleConfig config( file );
00592 config.setGroup("History");
00593 QStringList items = config.readListEntry( "CompletionItems" );
00594 QStringList::Iterator it = items.begin();
00595
00596 while ( it != items.end() ) {
00597 entry = createFallbackEntry( *it );
00598 if ( entry ) {
00599 m_history.append( entry );
00600 addToCompletion( entry->url.prettyURL(), QString::null, entry->numberOfTimesVisited );
00601
00602 KParts::HistoryProvider::insert( entry->url.url() );
00603 }
00604 ++it;
00605 }
00606
00607 m_history.sort();
00608 adjustSize();
00609 saveHistory();
00610
00611 return true;
00612 }
00613
00614
00615
00616
00617 KonqHistoryEntry * KonqHistoryManager::createFallbackEntry(const QString& item) const
00618 {
00619
00620 uint len = item.length();
00621 uint weight = 1;
00622
00623
00624 int index = item.findRev(':');
00625 if ( index > 0 ) {
00626 bool ok;
00627 weight = item.mid( index + 1 ).toUInt( &ok );
00628 if ( !ok )
00629 weight = 1;
00630
00631 len = index;
00632 }
00633
00634
00635 KonqHistoryEntry *entry = 0L;
00636 KURL u( item.left( len ));
00637 if ( u.isValid() ) {
00638 entry = new KonqHistoryEntry;
00639
00640 entry->url = u;
00641 entry->numberOfTimesVisited = weight;
00642
00643 entry->lastVisited = QDateTime::currentDateTime();
00644 }
00645
00646 return entry;
00647 }
00648
00649 KonqHistoryEntry * KonqHistoryManager::findEntry( const KURL& url )
00650 {
00651
00652 if ( !KParts::HistoryProvider::contains( url.url() ) )
00653 return 0L;
00654
00655 return m_history.findEntry( url );
00656 }
00657
00658 bool KonqHistoryManager::filterOut( const KURL& url )
00659 {
00660 return ( url.isLocalFile() || url.host().isEmpty() );
00661 }
00662
00663 void KonqHistoryManager::slotEmitUpdated()
00664 {
00665 emit KParts::HistoryProvider::updated( m_updateURLs );
00666 m_updateURLs.clear();
00667 }
00668
00669 QStringList KonqHistoryManager::allURLs() const
00670 {
00671 QStringList list;
00672 KonqHistoryIterator it ( m_history );
00673 for ( ; it.current(); ++it )
00674 list.append( it.current()->url.url() );
00675
00676 return list;
00677 }
00678
00679 void KonqHistoryManager::addToCompletion( const QString& url, const QString& typedURL,
00680 int numberOfTimesVisited )
00681 {
00682 m_pCompletion->addItem( url, numberOfTimesVisited );
00683
00684 m_pCompletion->addItem( typedURL, numberOfTimesVisited +10 );
00685 }
00686
00687 void KonqHistoryManager::removeFromCompletion( const QString& url, const QString& typedURL )
00688 {
00689 m_pCompletion->removeItem( url );
00690 m_pCompletion->removeItem( typedURL );
00691 }
00692
00694
00695
00696 KonqHistoryEntry * KonqHistoryList::findEntry( const KURL& url )
00697 {
00698
00699 KonqHistoryEntry *entry = last();
00700 while ( entry ) {
00701 if ( entry->url == url )
00702 return entry;
00703
00704 entry = prev();
00705 }
00706
00707 return 0L;
00708 }
00709
00710
00711 int KonqHistoryList::compareItems( QPtrCollection::Item item1,
00712 QPtrCollection::Item item2 )
00713 {
00714 KonqHistoryEntry *entry1 = static_cast<KonqHistoryEntry *>( item1 );
00715 KonqHistoryEntry *entry2 = static_cast<KonqHistoryEntry *>( item2 );
00716
00717 if ( entry1->lastVisited > entry2->lastVisited )
00718 return 1;
00719 else if ( entry1->lastVisited < entry2->lastVisited )
00720 return -1;
00721 else
00722 return 0;
00723 }
00724
00725 using namespace KParts;
00726
00727 #include "konq_historymgr.moc"