Differential D11349 Diff 30004 src/context/applets/wikipedia/plugin/WikipediaEngine.cpp

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src/context/applets/wikipedia/plugin/WikipediaEngine.cpp

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17 * this program. If not, see <http://www.gnu.org/licenses/>. * 17​ * this program. If not, see <http://www.gnu.org/licenses/>. *
18 ****************************************************************************************/ 18​ ****************************************************************************************/
19 19​
20#define DEBUG_PREFIX "Wikipedia" 20​#define DEBUG_PREFIX "Wikipedia"
21 21​
22#include "WikipediaEngine.h" 22​#include "WikipediaEngine.h"
23 23​
24#include "EngineController.h" 24​#include "EngineController.h"
25​#include "PaletteHandler.h"
25#include "core/meta/support/MetaConstants.h" 26​#include "core/meta/support/MetaConstants.h"
26#include "core/support/Amarok.h" 27​#include "core/support/Amarok.h"
27#include "core/support/Debug.h" 28​#include "core/support/Debug.h"
28 29​
29#include <QHashIterator> 30​#include <QHashIterator>
31​#include <QRegularExpression>
32​#include <QStandardPaths>
30#include <QUrlQuery> 33​#include <QUrlQuery>
31#include <QXmlStreamReader> 34​#include <QXmlStreamReader>
32 35​
33#include <KLocalizedString> 36​#include <KLocalizedString>
34 37​
35 38​
36WikipediaEngine::WikipediaEngine( QObject* parent ) 39​WikipediaEngine::WikipediaEngine( QObject* parent )
37 : QObject( parent ) 40​ : QObject( parent )
38 , currentSelection( Artist ) 41​ , currentSelection( Artist )
39 , useMobileVersion( false ) 42​ , useMobileVersion( false )
40{ 43​{
41 preferredLangs = Amarok::config("Wikipedia Applet").readEntry( "PreferredLang", QStringList() << "en" ); 44​ preferredLangs = Amarok::config("Wikipedia Applet").readEntry( "PreferredLang", QStringList() << "en" );
42 45​
43 EngineController *engine = The::engineController(); 46​ EngineController *engine = The::engineController();
44 47​
45 _checkRequireUpdate( engine->currentTrack() ); 48​ _checkRequireUpdate( engine->currentTrack() );
49​ _paletteChanged( The::paletteHandler()->palette() );
46 50​
47 connect( engine, &EngineController::trackChanged, 51​ connect( engine, &EngineController::trackChanged,
48 this, &WikipediaEngine::_checkRequireUpdate ); 52​ this, &WikipediaEngine::_checkRequireUpdate );
49 connect( engine, &EngineController::trackMetadataChanged, 53​ connect( engine, &EngineController::trackMetadataChanged,
50 this, &WikipediaEngine::_checkRequireUpdate ); 54​ this, &WikipediaEngine::_checkRequireUpdate );
51 connect( engine, &EngineController::stopped, 55​ connect( engine, &EngineController::stopped,
52 this, &WikipediaEngine::_stopped ); 56​ this, &WikipediaEngine::_stopped );
57​ connect( The::paletteHandler(), &PaletteHandler::newPalette,
58​ this, &WikipediaEngine::_paletteChanged );
53} 59​}
54 60​
55WikipediaEngine::~WikipediaEngine() 61​WikipediaEngine::~WikipediaEngine()
56{ 62​{
57} 63​}
58 64​
59void 65​void
60WikipediaEngine::_wikiResult( const QUrl &url, QByteArray result, NetworkAccessManagerProxy::Error e ) 66​WikipediaEngine::_wikiResult( const QUrl &url, QByteArray result, NetworkAccessManagerProxy::Error e )
▲ Show 20 Lines • Show All 314 Lines • ▼ Show 20 Line(s)380{
375 DEBUG_BLOCK 381​ DEBUG_BLOCK
376 382​
377 clear(); 383​ clear();
378// dataContainer->setData( "stopped", 1 ); 384​// dataContainer->setData( "stopped", 1 );
379 m_previousTrackMetadata.clear(); 385​ m_previousTrackMetadata.clear();
380} 386​}
381 387​
382void 388​void
389​WikipediaEngine::_paletteChanged( const QPalette &palette )
390​{
391​ DEBUG_BLOCK
392​
393​ // read css, replace color placeholders, write to file, load into page
394​ QFile file( QStandardPaths::locate( QStandardPaths::GenericDataLocation, "amarok/data/WikipediaCustomStyle.css" ) );
395​ if( file.open(QIODevice::ReadOnly | QIODevice::Text) )
396​ {
397​ QString contents = QString( file.readAll() );
398​ contents.replace( "/*{text_color}*/", palette.text().color().name() );
399​ contents.replace( "/*{link_color}*/", palette.link().color().name() );
400​ contents.replace( "/*{link_hover_color}*/", palette.linkVisited().color().name() );
401​ contents.replace( "/*{background_color}*/", palette.base().color().name() );
402​
403​ const QString abg = palette.window().color().name();
404​ contents.replace( "/*{shaded_text_background_color}*/", abg );
405​ contents.replace( "/*{table_background_color}*/", abg );
406​ contents.replace( "/*{headings_background_color}*/", abg );
407​
408​ const QString atbg = palette.alternateBase().color().name();
409​ contents.replace( "/*{alternate_table_background_color}*/", atbg );
410​
411​ if( m_css == contents )
412​ return;
413​
414​ m_css = contents;
415​ updateEngine();
416​ }
417​ else
418​ {
419​ error() << "Could not load WikipediaCustomStyle.css";
420​ }
421​}
422​
423​void
383WikipediaEngine::fetchWikiUrl( const QString &title, const QString &urlPrefix ) 424​WikipediaEngine::fetchWikiUrl( const QString &title, const QString &urlPrefix )
384{ 425​{
385 QUrl pageUrl; 426​ QUrl pageUrl;
386 QString host( ".wikipedia.org" ); 427​ QString host( ".wikipedia.org" );
387 pageUrl.setScheme( QLatin1String( "https" ) ); 428​ pageUrl.setScheme( QLatin1String( "https" ) );
388 429​
389// if( useMobileVersion ) 430​// if( useMobileVersion )
390// { 431​// {
Show All 17 Lines441// }
408 QUrlQuery query; 449​ QUrlQuery query;
409 query.addQueryItem( QLatin1String("title"), title ); 450​ query.addQueryItem( QLatin1String("title"), title );
410 query.addQueryItem( QLatin1String("redirects"), QString::number(1) ); 451​ query.addQueryItem( QLatin1String("redirects"), QString::number(1) );
411 query.addQueryItem( QLatin1String("useskin"), QLatin1String("monobook") ); 452​ query.addQueryItem( QLatin1String("useskin"), QLatin1String("monobook") );
412 pageUrl.setQuery( query ); 453​ pageUrl.setQuery( query );
413 wikiCurrentUrl = pageUrl; 454​ wikiCurrentUrl = pageUrl;
414 urls << pageUrl; 455​ urls << pageUrl;
415 emit urlChanged(); 456​ emit urlChanged();
416 The::networkAccessManager()->getData( pageUrl, this, 457​ The::networkAccessManager()->getData( pageUrl, this, &WikipediaEngine::_wikiResult );
417 SLOT(_wikiResult(QUrl,QByteArray,NetworkAccessManagerProxy::Error)) ); ​
418} 458​}
419 459​
420void 460​void
421WikipediaEngine::fetchLangLinks( const QString &title, 461​WikipediaEngine::fetchLangLinks( const QString &title,
422 const QString &hostLang, 462​ const QString &hostLang,
423 const QString &llcontinue ) 463​ const QString &llcontinue )
424{ 464​{
425 QUrl url; 465​ QUrl url;
426 url.setScheme( QLatin1String( "https" ) ); 466​ url.setScheme( QLatin1String( "https" ) );
427 url.setHost( hostLang + QLatin1String(".wikipedia.org") ); 467​ url.setHost( hostLang + QLatin1String(".wikipedia.org") );
428 url.setPath( QLatin1String("/w/api.php") ); 468​ url.setPath( QLatin1String("/w/api.php") );
429 QUrlQuery query; 469​ QUrlQuery query;
430 query.addQueryItem( QLatin1String("action"), QLatin1String("query") ); 470​ query.addQueryItem( QLatin1String("action"), QLatin1String("query") );
431 query.addQueryItem( QLatin1String("prop"), QLatin1String("langlinks") ); 471​ query.addQueryItem( QLatin1String("prop"), QLatin1String("langlinks") );
432 query.addQueryItem( QLatin1String("titles"), title ); 472​ query.addQueryItem( QLatin1String("titles"), title );
433 query.addQueryItem( QLatin1String("format"), QLatin1String("xml") ); 473​ query.addQueryItem( QLatin1String("format"), QLatin1String("xml") );
434 query.addQueryItem( QLatin1String("lllimit"), QString::number(100) ); 474​ query.addQueryItem( QLatin1String("lllimit"), QString::number(100) );
435 query.addQueryItem( QLatin1String("redirects"), QString::number(1) ); 475​ query.addQueryItem( QLatin1String("redirects"), QString::number(1) );
436 if( !llcontinue.isEmpty() ) 476​ if( !llcontinue.isEmpty() )
437 query.addQueryItem( QLatin1String("llcontinue"), llcontinue ); 477​ query.addQueryItem( QLatin1String("llcontinue"), llcontinue );
438 url.setQuery( query ); 478​ url.setQuery( query );
439 urls << url; 479​ urls << url;
440 debug() << "Fetching langlinks:" << url; 480​ debug() << "Fetching langlinks:" << url;
441 The::networkAccessManager()->getData( url, this, 481​ The::networkAccessManager()->getData( url, this, &WikipediaEngine::_parseLangLinksResult );
442 SLOT(_parseLangLinksResult(QUrl,QByteArray,NetworkAccessManagerProxy::Error)) ); ​
443} 482​}
444 483​
445void 484​void
446WikipediaEngine::fetchListing( const QString &title, const QString &hostLang ) 485​WikipediaEngine::fetchListing( const QString &title, const QString &hostLang )
447{ 486​{
448 QUrl url; 487​ QUrl url;
449 url.setScheme( QLatin1String( "https" ) ); 488​ url.setScheme( QLatin1String( "https" ) );
450 url.setHost( hostLang + QLatin1String(".wikipedia.org") ); 489​ url.setHost( hostLang + QLatin1String(".wikipedia.org") );
451 url.setPath( QLatin1String("/w/api.php") ); 490​ url.setPath( QLatin1String("/w/api.php") );
452 QUrlQuery query; 491​ QUrlQuery query;
453 query.addQueryItem( QLatin1String("action"), QLatin1String("query") ); 492​ query.addQueryItem( QLatin1String("action"), QLatin1String("query") );
454 query.addQueryItem( QLatin1String("list"), QLatin1String("search") ); 493​ query.addQueryItem( QLatin1String("list"), QLatin1String("search") );
455 query.addQueryItem( QLatin1String("srsearch"), title ); 494​ query.addQueryItem( QLatin1String("srsearch"), title );
456 query.addQueryItem( QLatin1String("srprop"), QLatin1String("size") ); 495​ query.addQueryItem( QLatin1String("srprop"), QLatin1String("size") );
457 query.addQueryItem( QLatin1String("srredirects"), QString::number(1) ); 496​ query.addQueryItem( QLatin1String("srredirects"), QString::number(1) );
458 query.addQueryItem( QLatin1String("srlimit"), QString::number(20) ); 497​ query.addQueryItem( QLatin1String("srlimit"), QString::number(20) );
459 query.addQueryItem( QLatin1String("format"), QLatin1String("xml") ); 498​ query.addQueryItem( QLatin1String("format"), QLatin1String("xml") );
460 url.setQuery( query ); 499​ url.setQuery( query );
461 urls << url; 500​ urls << url;
462 debug() << "Fetching listing:" << url; 501​ debug() << "Fetching listing:" << url;
463 The::networkAccessManager()->getData( url, this, 502​ The::networkAccessManager()->getData( url, this, &WikipediaEngine::_parseListingResult );
464 SLOT(_parseListingResult(QUrl,QByteArray,NetworkAccessManagerProxy::Error)) ); ​
465} 503​}
466 504​
467void 505​void
468WikipediaEngine::updateEngine() 506​WikipediaEngine::updateEngine()
469{ 507​{
470 static QMap<SelectionType, qint64> typeToFieldMap; 508​ static QMap<SelectionType, qint64> typeToFieldMap;
471 if( typeToFieldMap.isEmpty() ) 509​ if( typeToFieldMap.isEmpty() )
472 { 510​ {
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562 600​
563 fetchLangLinks( tmpWikiStr, preferredLangs.first().split( QLatin1Char(':') ).back() ); 601​ fetchLangLinks( tmpWikiStr, preferredLangs.first().split( QLatin1Char(':') ).back() );
564} 602​}
565 603​
566void 604​void
567WikipediaEngine::wikiParse( QString &wiki ) 605​WikipediaEngine::wikiParse( QString &wiki )
568{ 606​{
569 //remove the new-lines and tabs(replace with spaces IS needed). 607​ //remove the new-lines and tabs(replace with spaces IS needed).
570 wiki.replace( '\n', QLatin1Char(' ') ); 608​// wiki.replace( '\n', QLatin1Char(' ') );
571 wiki.replace( '\t', QLatin1Char(' ') ); 609​// wiki.replace( '\t', QLatin1Char(' ') );
572 610​
573 // Get the available language list 611​ // Get the available language list
574 QString wikiLanguagesSection; 612​ QString wikiLanguagesSection;
575 QMap<QString, QString> langMap; 613​ QMap<QString, QString> langMap;
576 int langSectionIndex = 0; 614​ int langSectionIndex = 0;
577 if( (langSectionIndex = wiki.indexOf( QLatin1String("<div id=\"p-lang\" class=\"portlet\">") )) != -1 ) 615​ if( (langSectionIndex = wiki.indexOf( QLatin1String("<div id=\"p-lang\" class=\"portlet\">") )) != -1 )
578 { 616​ {
579 QStringRef sref = wiki.midRef( langSectionIndex ); 617​ QStringRef sref = wiki.midRef( langSectionIndex );
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Line(s)664 {
630 while( ( matchIndex = tagMatcher.indexIn( wiki, matchIndex ) ) != -1 ) 668​ while( ( matchIndex = tagMatcher.indexIn( wiki, matchIndex ) ) != -1 )
631 { 669​ {
632 const int nToTagEnd = wiki.indexOf( tagEnd, matchIndex ) - matchIndex; 670​ const int nToTagEnd = wiki.indexOf( tagEnd, matchIndex ) - matchIndex;
633 const QStringRef tagRef = wiki.midRef( matchIndex, nToTagEnd + tagEndSize ); 671​ const QStringRef tagRef = wiki.midRef( matchIndex, nToTagEnd + tagEndSize );
634 wiki.remove( tagRef.toString() ); 672​ wiki.remove( tagRef.toString() );
635 } 673​ }
636 }; 674​ };
637 675​
676​ QString header = QString( "<html>\n<head>\n<title>%1</title>\n</head>\n<body>\n" ).arg( title );
677​
678​ // add own stylesheet
679​ if( !m_css.isEmpty() )
680​ {
681​ removeTag( "<link rel=\"stylesheet\"", "/>" );
682​ int index = header.indexOf( QStringLiteral( "</head>" ) );
683​ header.insert( index, QString( "\n<style>\n%1\n</style>\n" ).arg( m_css ) );
684​ }
685​
686​ wiki.prepend( header );
687​
638 // lets remove the warning box 688​ // lets remove the warning box
639 removeTag( "<table class=\"metadata plainlinks ambox", "</table>" ); 689​ removeTag( "<table class=\"metadata plainlinks ambox", "</table>" );
640 // remove protection policy (we don't do edits) 690​ // remove protection policy (we don't do edits)
641 removeTag( "<div><a href=\"/wiki/Wikipedia:Protection_policy", "</a></div>" ); 691​ removeTag( "<div><a href=\"/wiki/Wikipedia:Protection_policy", "</a></div>" );
642 // lets also remove the "lock" image 692​ // lets also remove the "lock" image
643 removeTag( "<div class=\"metadata topicon\" ", "</a></div>" ); 693​ removeTag( "<div class=\"metadata topicon\" ", "</a></div>" );
644 // remove <audio> tags (can lead to crashes in QtWebKit) 694​ // remove <audio> tags (can lead to crashes in QtWebKit)
645 removeTag( "<audio", "</audio>" ); 695​// removeTag( "<audio", "</audio>" );
646 696​
647 // Adding back style and license information 697​ // Adding back style and license information
648 wiki = QLatin1String("<div id=\"bodyContent\"") + wiki; 698​ wiki = QLatin1String("<div id=\"bodyContent\"") + wiki;
649 wiki += copyright; 699​ wiki += copyright;
650 wiki.append( QLatin1String("</div>") ); 700​ wiki.append( QLatin1String("</div>") );
651 wiki.remove( QRegExp( QLatin1String("<h3 id=\"siteSub\">[^<]*</h3>") ) ); 701​ wiki.remove( QRegExp( QLatin1String("<h3 id=\"siteSub\">[^<]*</h3>") ) );
652 702​
653 wiki.remove( QRegExp( QLatin1String("<span class=\"editsection\"[^>]*>[^<]*<[^>]*>[^<]*<[^>]*>[^<]*</span>") ) ); 703​ wiki.remove( QRegExp( QLatin1String("<span class=\"editsection\"[^>]*>[^<]*<[^>]*>[^<]*<[^>]*>[^<]*</span>") ) );
654 wiki.remove( QRegExp( QLatin1String("<p><span[^>]*><[^\"]*\"#_skip_noteTA\">[^<]*<[^<]*</span></p>") ) ); 704​ wiki.remove( QRegExp( QLatin1String("<p><span[^>]*><[^\"]*\"#_skip_noteTA\">[^<]*<[^<]*</span></p>") ) );
655 705​
656 wiki.replace( QRegExp( QLatin1String("<a href=\"[^\"]*\" class=\"new\"[^>]*>([^<]*)</a>") ), QLatin1String("\\1") ); 706​ wiki.replace( QRegExp( QLatin1String("<a href=\"[^\"]*\" class=\"new\"[^>]*>([^<]*)</a>") ), QLatin1String("\\1") );
657 707​
658 // Remove anything inside of a class called urlexpansion, as it's pointless for us 708​ // Remove anything inside of a class called urlexpansion, as it's pointless for us
659 wiki.remove( QRegExp( QLatin1String("<span class= *'urlexpansion'>[^(]*[(][^)]*[)]</span>") ) ); 709​ wiki.remove( QRegExp( QLatin1String("<span class= *'urlexpansion'>[^(]*[(][^)]*[)]</span>") ) );
660 710​
661 // Remove hidden table rows as well 711​ // Remove hidden table rows as well
662 QRegExp hidden( QLatin1String("<tr *class= *[\"\']hiddenStructure[\"\']>.*</tr>"), Qt::CaseInsensitive ); 712​ QRegExp hidden( QLatin1String("<tr *class= *[\"\']hiddenStructure[\"\']>.*</tr>"), Qt::CaseInsensitive );
663 hidden.setMinimal( true ); //greedy behaviour wouldn't be any good! 713​ hidden.setMinimal( true ); //greedy behaviour wouldn't be any good!
664 wiki.remove( hidden ); 714​ wiki.remove( hidden );
665 715​
666 // we want to keep our own style (we need to modify the stylesheet a bit to handle things nicely) 716​ // we want to keep our own style (we need to modify the stylesheet a bit to handle things nicely)
667 wiki.remove( QRegExp( QLatin1String("style= *\"[^\"]*\"") ) ); 717​ wiki.remove( QRegExp( QLatin1String("style= *\"[^\"]*\"") ) );
668 // We need to leave the classes behind, otherwise styling it ourselves gets really nasty and tedious and roughly impossible to do in a sane maner 718​ // We need to leave the classes behind, otherwise styling it ourselves gets really nasty and tedious and roughly impossible to do in a sane manner
669 //wiki.replace( QRegExp( "class= *\"[^\"]*\"" ), QString() ); 719​ //wiki.replace( QRegExp( "class= *\"[^\"]*\"" ), QString() );
670 // let's remove the form elements, we don't want them. 720​ // let's remove the form elements, we don't want them.
671 wiki.remove( QRegExp( QLatin1String("<input[^>]*>") ) ); 721​ wiki.remove( QRegExp( QLatin1String("<input[^>]*>") ) );
672 wiki.remove( QRegExp( QLatin1String("<select[^>]*>") ) ); 722​ wiki.remove( QRegExp( QLatin1String("<select[^>]*>") ) );
673 wiki.remove( QLatin1String("</select>\n") ); 723​ wiki.remove( QLatin1String("</select>\n") );
674 wiki.remove( QRegExp( QLatin1String("<option[^>]*>") ) ); 724​ wiki.remove( QRegExp( QLatin1String("<option[^>]*>") ) );
675 wiki.remove( QLatin1String("</option>\n") ); 725​ wiki.remove( QLatin1String("</option>\n") );
676 wiki.remove( QRegExp( QLatin1String("<textarea[^>]*>") ) ); 726​ wiki.remove( QRegExp( QLatin1String("<textarea[^>]*>") ) );
677 wiki.remove( QLatin1String("</textarea>") ); 727​ wiki.remove( QLatin1String("</textarea>") );
678 728​
679 wiki.prepend( QLatin1String("<html>\n") ); ​
680 wiki.append( QString(QLatin1String("<head><title>%1</title></head>\n")).arg(title) ); ​
681 wiki.append( QLatin1String("<body>\n") ); ​
682 // wiki.append( createLanguageComboBox(langMap) ); // BUG:259075 729​ // wiki.append( createLanguageComboBox(langMap) ); // BUG:259075
683 wiki.append( QLatin1String("</body></html>\n") ); 730​ wiki.append( QLatin1String("</body></html>\n") );
684} 731​}
685 732​
686QString 733​QString
687WikipediaEngine::createLanguageComboBox( const QMap<QString, QString> &languageMap ) 734​WikipediaEngine::createLanguageComboBox( const QMap<QString, QString> &languageMap )
688{ 735​{
689 if( languageMap.isEmpty() ) 736​ if( languageMap.isEmpty() )
Show All 14 Lines
704 751​
705void 752​void
706WikipediaEngine::reloadWikipedia() 753​WikipediaEngine::reloadWikipedia()
707{ 754​{
708 if( !wikiCurrentUrl.isValid() ) 755​ if( !wikiCurrentUrl.isValid() )
709 return; 756​ return;
710 urls << wikiCurrentUrl; 757​ urls << wikiCurrentUrl;
711 setBusy( true ); 758​ setBusy( true );
712 The::networkAccessManager()->getData( wikiCurrentUrl, this, 759​ The::networkAccessManager()->getData( wikiCurrentUrl, this, &WikipediaEngine::_wikiResult );
713 SLOT(_wikiResult(QUrl,QByteArray,NetworkAccessManagerProxy::Error)) ); ​
714} 760​}
715 761​
716WikipediaEngine::SelectionType 762​WikipediaEngine::SelectionType
717WikipediaEngine::selection() const 763​WikipediaEngine::selection() const
718{ 764​{
719 return currentSelection; 765​ return currentSelection;
720} 766​}
721 767​
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815{ 861​{
816 if( wikiCurrentUrl == url ) 862​ if( wikiCurrentUrl == url )
817 return; 863​ return;
818 864​
819 wikiCurrentUrl = url; 865​ wikiCurrentUrl = url;
820 urls << url; 866​ urls << url;
821 emit urlChanged(); 867​ emit urlChanged();
822 868​
823 The::networkAccessManager()->getData( url, this, SLOT(_wikiResult(QUrl,QByteArray,NetworkAccessManagerProxy::Error)) ); 869​ The::networkAccessManager()->getData( url, this, &WikipediaEngine::_wikiResult );
824} 870​}
825 871​