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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 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 if ( !pending ) {
00308 if ( it != m_pending.end() ) {
00309
00310
00311
00312 entry.numberOfTimesVisited = 0;
00313 }
00314 }
00315
00316 else {
00317
00318
00319
00320 KonqHistoryEntry *oldEntry = findEntry( url );
00321 m_pending.insert( u, oldEntry ?
00322 new KonqHistoryEntry( *oldEntry ) : 0L );
00323 }
00324
00325
00326 emitAddToHistory( entry );
00327 }
00328
00329
00330
00331
00332
00333
00334 void KonqHistoryManager::insert( const QString& url )
00335 {
00336 KURL u ( url );
00337 if ( !filterOut( u ) || u.protocol() == "about" ) {
00338 return;
00339 }
00340
00341 KonqHistoryEntry entry;
00342 entry.url = u;
00343 entry.firstVisited = QDateTime::currentDateTime();
00344 entry.lastVisited = entry.firstVisited;
00345 emitAddToHistory( entry );
00346 }
00347
00348 void KonqHistoryManager::emitAddToHistory( const KonqHistoryEntry& entry )
00349 {
00350 QByteArray data;
00351 QDataStream stream( data, IO_WriteOnly );
00352 stream << entry << objId();
00353 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00354 "notifyHistoryEntry(KonqHistoryEntry, QCString)",
00355 data );
00356 }
00357
00358
00359 void KonqHistoryManager::removePending( const KURL& url )
00360 {
00361
00362
00363 if ( url.isLocalFile() )
00364 return;
00365
00366 QMapIterator<QString,KonqHistoryEntry*> it = m_pending.find( url.prettyURL() );
00367 if ( it != m_pending.end() ) {
00368 KonqHistoryEntry *oldEntry = it.data();
00369 emitRemoveFromHistory( url );
00370
00371 if ( oldEntry )
00372 emitAddToHistory( *oldEntry );
00373
00374 delete oldEntry;
00375 m_pending.remove( it );
00376 }
00377 }
00378
00379
00380 void KonqHistoryManager::clearPending()
00381 {
00382 QMapIterator<QString,KonqHistoryEntry*> it = m_pending.begin();
00383 while ( it != m_pending.end() ) {
00384 delete it.data();
00385 ++it;
00386 }
00387 m_pending.clear();
00388 }
00389
00390 void KonqHistoryManager::emitRemoveFromHistory( const KURL& url )
00391 {
00392 QByteArray data;
00393 QDataStream stream( data, IO_WriteOnly );
00394 stream << url << objId();
00395 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00396 "notifyRemove(KURL, QCString)", data );
00397 }
00398
00399 void KonqHistoryManager::emitRemoveFromHistory( const KURL::List& urls )
00400 {
00401 QByteArray data;
00402 QDataStream stream( data, IO_WriteOnly );
00403 stream << urls << objId();
00404 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00405 "notifyRemove(KURL::List, QCString)", data );
00406 }
00407
00408 void KonqHistoryManager::emitClear()
00409 {
00410 QByteArray data;
00411 QDataStream stream( data, IO_WriteOnly );
00412 stream << objId();
00413 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00414 "notifyClear(QCString)", data );
00415 }
00416
00417 void KonqHistoryManager::emitSetMaxCount( Q_UINT32 count )
00418 {
00419 QByteArray data;
00420 QDataStream stream( data, IO_WriteOnly );
00421 stream << count << objId();
00422 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00423 "notifyMaxCount(Q_UINT32, QCString)", data );
00424 }
00425
00426 void KonqHistoryManager::emitSetMaxAge( Q_UINT32 days )
00427 {
00428 QByteArray data;
00429 QDataStream stream( data, IO_WriteOnly );
00430 stream << days << objId();
00431 kapp->dcopClient()->send( "konqueror*", "KonqHistoryManager",
00432 "notifyMaxAge(Q_UINT32, QCString)", data );
00433 }
00434
00436
00437
00438 void KonqHistoryManager::notifyHistoryEntry( KonqHistoryEntry e,
00439 QCString )
00440 {
00441
00442
00443 KonqHistoryEntry *entry = findEntry( e.url );
00444 QString urlString = e.url.url();
00445
00446 if ( !entry ) {
00447 entry = new KonqHistoryEntry;
00448 entry->url = e.url;
00449 entry->firstVisited = e.firstVisited;
00450 entry->numberOfTimesVisited = 0;
00451 m_history.append( entry );
00452 KParts::HistoryProvider::insert( urlString );
00453 }
00454
00455 if ( !e.typedURL.isEmpty() )
00456 entry->typedURL = e.typedURL;
00457 if ( !e.title.isEmpty() )
00458 entry->title = e.title;
00459 entry->numberOfTimesVisited += e.numberOfTimesVisited;
00460 entry->lastVisited = e.lastVisited;
00461
00462 addToCompletion( entry->url.prettyURL(), entry->typedURL );
00463
00464
00465
00466 adjustSize();
00467
00468
00469
00470
00471 bool updated = KonqBookmarkManager::self()->updateAccessMetadata( urlString );
00472
00473 if ( isSenderOfBroadcast() ) {
00474
00475 saveHistory();
00476
00477 if (updated)
00478 KonqBookmarkManager::self()->save();
00479 }
00480
00481 addToUpdateList( urlString );
00482 emit entryAdded( entry );
00483 }
00484
00485 void KonqHistoryManager::notifyMaxCount( Q_UINT32 count, QCString )
00486 {
00487 m_maxCount = count;
00488 clearPending();
00489 adjustSize();
00490
00491 KConfig *config = KGlobal::config();
00492 KConfigGroupSaver cs( config, "HistorySettings" );
00493 config->writeEntry( "Maximum of History entries", m_maxCount );
00494
00495 if ( isSenderOfBroadcast() ) {
00496 saveHistory();
00497 config->sync();
00498 }
00499 }
00500
00501 void KonqHistoryManager::notifyMaxAge( Q_UINT32 days, QCString )
00502 {
00503 m_maxAgeDays = days;
00504 clearPending();
00505 adjustSize();
00506
00507 KConfig *config = KGlobal::config();
00508 KConfigGroupSaver cs( config, "HistorySettings" );
00509 config->writeEntry( "Maximum age of History entries", m_maxAgeDays );
00510
00511 if ( isSenderOfBroadcast() ) {
00512 saveHistory();
00513 config->sync();
00514 }
00515 }
00516
00517 void KonqHistoryManager::notifyClear( QCString )
00518 {
00519 clearPending();
00520 m_history.clear();
00521 m_pCompletion->clear();
00522
00523 if ( isSenderOfBroadcast() )
00524 saveHistory();
00525
00526 KParts::HistoryProvider::clear();
00527 }
00528
00529 void KonqHistoryManager::notifyRemove( KURL url, QCString )
00530 {
00531 kdDebug(1203) << "#### Broadcast: remove entry:: " << url.prettyURL() << endl;
00532
00533
00534 KonqHistoryEntry *entry = m_history.findEntry( url );
00535
00536 if ( entry ) {
00537 removeFromCompletion( entry->url.prettyURL(), entry->typedURL );
00538
00539 QString urlString = entry->url.url();
00540 KParts::HistoryProvider::remove( urlString );
00541
00542 addToUpdateList( urlString );
00543
00544 m_history.take();
00545 emit entryRemoved( entry );
00546 delete entry;
00547
00548 if ( isSenderOfBroadcast() )
00549 saveHistory();
00550 }
00551 }
00552
00553 void KonqHistoryManager::notifyRemove( KURL::List urls, QCString )
00554 {
00555 kdDebug(1203) << "#### Broadcast: removing list!" << endl;
00556
00557 bool doSave = false;
00558 KURL::List::Iterator it = urls.begin();
00559 while ( it != urls.end() ) {
00560 KonqHistoryEntry *entry = m_history.findEntry( *it );
00561
00562 if ( entry ) {
00563 removeFromCompletion( entry->url.prettyURL(), entry->typedURL );
00564
00565 QString urlString = entry->url.url();
00566 KParts::HistoryProvider::remove( urlString );
00567
00568 addToUpdateList( urlString );
00569
00570 m_history.take();
00571 emit entryRemoved( entry );
00572 delete entry;
00573 doSave = true;
00574 }
00575
00576 ++it;
00577 }
00578
00579 if (doSave && isSenderOfBroadcast())
00580 saveHistory();
00581 }
00582
00583
00584
00585 bool KonqHistoryManager::loadFallback()
00586 {
00587 QString file = locateLocal( "config", QString::fromLatin1("konq_history"));
00588 if ( file.isEmpty() )
00589 return false;
00590
00591 KonqHistoryEntry *entry;
00592 KSimpleConfig config( file );
00593 config.setGroup("History");
00594 QStringList items = config.readListEntry( "CompletionItems" );
00595 QStringList::Iterator it = items.begin();
00596
00597 while ( it != items.end() ) {
00598 entry = createFallbackEntry( *it );
00599 if ( entry ) {
00600 m_history.append( entry );
00601 addToCompletion( entry->url.prettyURL(), QString::null, entry->numberOfTimesVisited );
00602
00603 KParts::HistoryProvider::insert( entry->url.url() );
00604 }
00605 ++it;
00606 }
00607
00608 m_history.sort();
00609 adjustSize();
00610 saveHistory();
00611
00612 return true;
00613 }
00614
00615
00616
00617
00618 KonqHistoryEntry * KonqHistoryManager::createFallbackEntry(const QString& item) const
00619 {
00620
00621 uint len = item.length();
00622 uint weight = 1;
00623
00624
00625 int index = item.findRev(':');
00626 if ( index > 0 ) {
00627 bool ok;
00628 weight = item.mid( index + 1 ).toUInt( &ok );
00629 if ( !ok )
00630 weight = 1;
00631
00632 len = index;
00633 }
00634
00635
00636 KonqHistoryEntry *entry = 0L;
00637 KURL u( item.left( len ));
00638 if ( u.isValid() ) {
00639 entry = new KonqHistoryEntry;
00640
00641 entry->url = u;
00642 entry->numberOfTimesVisited = weight;
00643
00644 entry->lastVisited = QDateTime::currentDateTime();
00645 }
00646
00647 return entry;
00648 }
00649
00650 KonqHistoryEntry * KonqHistoryManager::findEntry( const KURL& url )
00651 {
00652
00653 if ( !KParts::HistoryProvider::contains( url.url() ) )
00654 return 0L;
00655
00656 return m_history.findEntry( url );
00657 }
00658
00659 bool KonqHistoryManager::filterOut( const KURL& url )
00660 {
00661 return ( url.isLocalFile() || url.host().isEmpty() );
00662 }
00663
00664 void KonqHistoryManager::slotEmitUpdated()
00665 {
00666 emit KParts::HistoryProvider::updated( m_updateURLs );
00667 m_updateURLs.clear();
00668 }
00669
00670 QStringList KonqHistoryManager::allURLs() const
00671 {
00672 QStringList list;
00673 KonqHistoryIterator it ( m_history );
00674 for ( ; it.current(); ++it )
00675 list.append( it.current()->url.url() );
00676
00677 return list;
00678 }
00679
00680 void KonqHistoryManager::addToCompletion( const QString& url, const QString& typedURL,
00681 int numberOfTimesVisited )
00682 {
00683 m_pCompletion->addItem( url, numberOfTimesVisited );
00684
00685 m_pCompletion->addItem( typedURL, numberOfTimesVisited +10 );
00686 }
00687
00688 void KonqHistoryManager::removeFromCompletion( const QString& url, const QString& typedURL )
00689 {
00690 m_pCompletion->removeItem( url );
00691 m_pCompletion->removeItem( typedURL );
00692 }
00693
00695
00696
00697 KonqHistoryEntry * KonqHistoryList::findEntry( const KURL& url )
00698 {
00699
00700 KonqHistoryEntry *entry = last();
00701 while ( entry ) {
00702 if ( entry->url == url )
00703 return entry;
00704
00705 entry = prev();
00706 }
00707
00708 return 0L;
00709 }
00710
00711
00712 int KonqHistoryList::compareItems( QPtrCollection::Item item1,
00713 QPtrCollection::Item item2 )
00714 {
00715 KonqHistoryEntry *entry1 = static_cast<KonqHistoryEntry *>( item1 );
00716 KonqHistoryEntry *entry2 = static_cast<KonqHistoryEntry *>( item2 );
00717
00718 if ( entry1->lastVisited > entry2->lastVisited )
00719 return 1;
00720 else if ( entry1->lastVisited < entry2->lastVisited )
00721 return -1;
00722 else
00723 return 0;
00724 }
00725
00726 using namespace KParts;
00727
00728 #include "konq_historymgr.moc"