File indexing completed on 2023-05-30 09:09:56

 /* This file is part of the KDE project
    Copyright (C) 1999 David Faure <faure@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "khtml_settings.h"
 #include "khtmldefaults.h"
 
 #include <kparts/htmlsettingsinterface.h>
 #include <kconfig.h>
 #include <kconfiggroup.h>
 #include "khtml_debug.h"
 #include <klocalizedstring.h>
 #include <kmessagebox.h>
 #include <khtml_filter_p.h>
 
 #include <kjob.h>
 #include <kio/job.h>
 
 #include <QFile>
 #include <QFileInfo>
 #include <QFontDatabase>
 #include <QByteArray>
 #include <QUrl>
 #include <qstandardpaths.h>
 #include <ksharedconfig.h>
 
 /**
  * @internal
  * Contains all settings which are both available globally and per-domain
  */
 struct KPerDomainSettings {
     bool m_bEnableJava : 1;
     bool m_bEnableJavaScript : 1;
     bool m_bEnablePlugins : 1;
     // don't forget to maintain the bitfields as the enums grow
     KHTMLSettings::KJSWindowOpenPolicy m_windowOpenPolicy : 2;
     KHTMLSettings::KJSWindowStatusPolicy m_windowStatusPolicy : 1;
     KHTMLSettings::KJSWindowFocusPolicy m_windowFocusPolicy : 1;
     KHTMLSettings::KJSWindowMovePolicy m_windowMovePolicy : 1;
     KHTMLSettings::KJSWindowResizePolicy m_windowResizePolicy : 1;
 
 #ifdef DEBUG_SETTINGS
     void dump(const QString &infix = QString()) const
     {
         // qCDebug(KHTML_LOG) << "KPerDomainSettings " << infix << " @" << this << ":";
         // qCDebug(KHTML_LOG) << "  m_bEnableJava: " << m_bEnableJava;
         // qCDebug(KHTML_LOG) << "  m_bEnableJavaScript: " << m_bEnableJavaScript;
         // qCDebug(KHTML_LOG) << "  m_bEnablePlugins: " << m_bEnablePlugins;
         // qCDebug(KHTML_LOG) << "  m_windowOpenPolicy: " << m_windowOpenPolicy;
         // qCDebug(KHTML_LOG) << "  m_windowStatusPolicy: " << m_windowStatusPolicy;
         // qCDebug(KHTML_LOG) << "  m_windowFocusPolicy: " << m_windowFocusPolicy;
         // qCDebug(KHTML_LOG) << "  m_windowMovePolicy: " << m_windowMovePolicy;
         // qCDebug(KHTML_LOG) << "  m_windowResizePolicy: " << m_windowResizePolicy;
     }
 #endif
 };
 
 QString *KHTMLSettings::avFamilies = nullptr;
 typedef QMap<QString, KPerDomainSettings> PolicyMap;
 
 // The "struct" that contains all the data. Must be copiable (no pointers).
 class KHTMLSettingsData
 {
 public:
     bool m_bChangeCursor : 1;
     bool m_bOpenMiddleClick : 1;
     bool m_underlineLink : 1;
     bool m_hoverLink : 1;
     bool m_bEnableJavaScriptDebug : 1;
     bool m_bEnableJavaScriptErrorReporting : 1;
     bool enforceCharset : 1;
     bool m_bAutoLoadImages : 1;
     bool m_bUnfinishedImageFrame : 1;
     bool m_formCompletionEnabled : 1;
     bool m_autoDelayedActionsEnabled : 1;
     bool m_jsErrorsEnabled : 1;
     bool m_follow_system_colors : 1;
     bool m_allowTabulation : 1;
     bool m_autoSpellCheck : 1;
     bool m_adFilterEnabled : 1;
     bool m_hideAdsEnabled : 1;
     bool m_jsPopupBlockerPassivePopup : 1;
     bool m_accessKeysEnabled : 1;
 
     // the virtual global "domain"
     KPerDomainSettings global;
 
     int m_fontSize;
     int m_minFontSize;
     int m_maxFormCompletionItems;
     KHTMLSettings::KAnimationAdvice m_showAnimations;
     KHTMLSettings::KSmoothScrollingMode m_smoothScrolling;
     KHTMLSettings::KDNSPrefetch m_dnsPrefetch;
 
     QString m_encoding;
     QString m_userSheet;
 
     QColor m_textColor;
     QColor m_baseColor;
     QColor m_linkColor;
     QColor m_vLinkColor;
 
     PolicyMap domainPolicy;
     QStringList fonts;
     QStringList defaultFonts;
 
     khtml::FilterSet adBlackList;
     khtml::FilterSet adWhiteList;
     QList< QPair< QString, QChar > > m_fallbackAccessKeysAssignments;
 };
 
 class KHTMLSettingsPrivate : public QObject, public KHTMLSettingsData
 {
     Q_OBJECT
 public:
 
     void adblockFilterLoadList(const QString &filename)
     {
         // qCDebug(KHTML_LOG) << "Loading filter list from" << filename;
         /** load list file and process each line */
         QFile file(filename);
         if (file.open(QIODevice::ReadOnly)) {
             QTextStream ts(&file);
             QString line = ts.readLine();
 #ifndef NDEBUG /// only count when compiled for debugging
             int whiteCounter = 0, blackCounter = 0;
 #endif // NDEBUG
             while (!line.isEmpty()) {
                 /** white list lines start with "@@" */
                 if (line.startsWith(QLatin1String("@@"))) {
 #ifndef NDEBUG
                     ++whiteCounter;
 #endif // NDEBUG
                     adWhiteList.addFilter(line);
                 } else {
 #ifndef NDEBUG
                     ++blackCounter;
 #endif // NDEBUG
                     adBlackList.addFilter(line);
                 }
 
                 line = ts.readLine();
             }
             file.close();
 
 #ifndef NDEBUG
             // qCDebug(KHTML_LOG) << "Filter list loaded" << whiteCounter << "white list entries and" << blackCounter << "black list entries";
 #endif // NDEBUG
         }
     }
 
 public Q_SLOTS:
     void adblockFilterResult(KJob *job)
     {
         KIO::StoredTransferJob *tJob = qobject_cast<KIO::StoredTransferJob *>(job);
         Q_ASSERT(tJob);
 
         if (tJob->error()) {
             // qCDebug(KHTML_LOG) << "Failed to download" << tJob->url() << "with message:" << tJob->errorText();
         } else if (tJob->isErrorPage()) { // 4XX error code
             // qCDebug(KHTML_LOG) << "Failed to fetch filter list" << tJob->url();
         } else {
             const QByteArray byteArray = tJob->data();
             const QString localFileName = tJob->property("khtmlsettings_adBlock_filename").toString();
 
             QFile file(localFileName);
             if (file.open(QFile::WriteOnly)) {
                 bool success = file.write(byteArray) == byteArray.size();
                 file.close();
                 if (success) {
                     adblockFilterLoadList(localFileName);
                 } else {
                     // qCDebug(KHTML_LOG) << "Could not write" << byteArray.size() << "to file" << localFileName;
                 }
             } else {
                 // qCDebug(KHTML_LOG) << "Cannot open file" << localFileName << "for filter list";
             }
         }
 
     }
 };
 
 /** Returns a writeable per-domains settings instance for the given domain
   * or a deep copy of the global settings if not existent.
   */
 static KPerDomainSettings &setup_per_domain_policy(
     KHTMLSettingsPrivate *const d,
     const QString &domain)
 {
     if (domain.isEmpty()) {
         qCWarning(KHTML_LOG) << "setup_per_domain_policy: domain is empty";
     }
     const QString ldomain = domain.toLower();
     PolicyMap::iterator it = d->domainPolicy.find(ldomain);
     if (it == d->domainPolicy.end()) {
         // simply copy global domain settings (they should have been initialized
         // by this time)
         it = d->domainPolicy.insert(ldomain, d->global);
     }
     return *it;
 }
 
 KHTMLSettings::KJavaScriptAdvice KHTMLSettings::strToAdvice(const QString &_str)
 {
     return static_cast<KJavaScriptAdvice>(KParts::HtmlSettingsInterface::textToJavascriptAdvice(_str));
 }
 
 const char *KHTMLSettings::adviceToStr(KJavaScriptAdvice _advice)
 {
     return KParts::HtmlSettingsInterface::javascriptAdviceToText(static_cast<KParts::HtmlSettingsInterface::JavaScriptAdvice>(_advice));
 }
 
 void KHTMLSettings::splitDomainAdvice(const QString &configStr, QString &domain,
                                       KJavaScriptAdvice &javaAdvice, KJavaScriptAdvice &javaScriptAdvice)
 {
     KParts::HtmlSettingsInterface::JavaScriptAdvice jAdvice, jsAdvice;
     KParts::HtmlSettingsInterface::splitDomainAdvice(configStr, domain, jAdvice, jsAdvice);
     javaAdvice = static_cast<KJavaScriptAdvice>(jAdvice);
     javaScriptAdvice = static_cast<KJavaScriptAdvice>(jsAdvice);
 }
 
 void KHTMLSettings::readDomainSettings(const KConfigGroup &config, bool reset,
                                        bool global, KPerDomainSettings &pd_settings)
 {
     QString jsPrefix = global ? QString()
                        : QString::fromLatin1("javascript.");
     QString javaPrefix = global ? QString()
                          : QString::fromLatin1("java.");
     QString pluginsPrefix = global ? QString()
                             : QString::fromLatin1("plugins.");
 
     // The setting for Java
     QString key = javaPrefix + QLatin1String("EnableJava");
     if ((global && reset) || config.hasKey(key)) {
         pd_settings.m_bEnableJava = config.readEntry(key, false);
     } else if (!global) {
         pd_settings.m_bEnableJava = d->global.m_bEnableJava;
     }
 
     // The setting for Plugins
     key = pluginsPrefix + QLatin1String("EnablePlugins");
     if ((global && reset) || config.hasKey(key)) {
         pd_settings.m_bEnablePlugins = config.readEntry(key, true);
     } else if (!global) {
         pd_settings.m_bEnablePlugins = d->global.m_bEnablePlugins;
     }
 
     // The setting for JavaScript
     key = jsPrefix + QLatin1String("EnableJavaScript");
     if ((global && reset) || config.hasKey(key)) {
         pd_settings.m_bEnableJavaScript = config.readEntry(key, true);
     } else if (!global) {
         pd_settings.m_bEnableJavaScript = d->global.m_bEnableJavaScript;
     }
 
     // window property policies
     key = jsPrefix + QLatin1String("WindowOpenPolicy");
     if ((global && reset) || config.hasKey(key))
         pd_settings.m_windowOpenPolicy = (KJSWindowOpenPolicy)
                                          config.readEntry(key, uint(KJSWindowOpenSmart));
     else if (!global) {
         pd_settings.m_windowOpenPolicy = d->global.m_windowOpenPolicy;
     }
 
     key = jsPrefix + QLatin1String("WindowMovePolicy");
     if ((global && reset) || config.hasKey(key))
         pd_settings.m_windowMovePolicy = (KJSWindowMovePolicy)
                                          config.readEntry(key, uint(KJSWindowMoveAllow));
     else if (!global) {
         pd_settings.m_windowMovePolicy = d->global.m_windowMovePolicy;
     }
 
     key = jsPrefix + QLatin1String("WindowResizePolicy");
     if ((global && reset) || config.hasKey(key))
         pd_settings.m_windowResizePolicy = (KJSWindowResizePolicy)
                                            config.readEntry(key, uint(KJSWindowResizeAllow));
     else if (!global) {
         pd_settings.m_windowResizePolicy = d->global.m_windowResizePolicy;
     }
 
     key = jsPrefix + QLatin1String("WindowStatusPolicy");
     if ((global && reset) || config.hasKey(key))
         pd_settings.m_windowStatusPolicy = (KJSWindowStatusPolicy)
                                            config.readEntry(key, uint(KJSWindowStatusAllow));
     else if (!global) {
         pd_settings.m_windowStatusPolicy = d->global.m_windowStatusPolicy;
     }
 
     key = jsPrefix + QLatin1String("WindowFocusPolicy");
     if ((global && reset) || config.hasKey(key))
         pd_settings.m_windowFocusPolicy = (KJSWindowFocusPolicy)
                                           config.readEntry(key, uint(KJSWindowFocusAllow));
     else if (!global) {
         pd_settings.m_windowFocusPolicy = d->global.m_windowFocusPolicy;
     }
 
 }
 
 KHTMLSettings::KHTMLSettings()
     : d(new KHTMLSettingsPrivate())
 {
     init();
 }
 
 KHTMLSettings::KHTMLSettings(const KHTMLSettings &other)
     : d(new KHTMLSettingsPrivate())
 {
     KHTMLSettingsData *data = d;
     *data = *other.d;
 }
 
 KHTMLSettings::~KHTMLSettings()
 {
     delete d;
 }
 
 bool KHTMLSettings::changeCursor() const
 {
     return d->m_bChangeCursor;
 }
 
 bool KHTMLSettings::underlineLink() const
 {
     return d->m_underlineLink;
 }
 
 bool KHTMLSettings::hoverLink() const
 {
     return d->m_hoverLink;
 }
 
 void KHTMLSettings::init()
 {
     KConfig global("khtmlrc", KConfig::NoGlobals);
     init(&global, true);
 
     KSharedConfig::Ptr local = KSharedConfig::openConfig();
     if (!local) {
         return;
     }
 
     init(local.data(), false);
 }
 
 void KHTMLSettings::init(KConfig *config, bool reset)
 {
     KConfigGroup cg(config, "MainView Settings");
     if (reset || cg.exists()) {
         if (reset || cg.hasKey("OpenMiddleClick")) {
             d->m_bOpenMiddleClick = cg.readEntry("OpenMiddleClick", true);
         }
     }
 
     KConfigGroup cgAccess(config, "Access Keys");
     if (reset || cgAccess.exists()) {
         d->m_accessKeysEnabled = cgAccess.readEntry("Enabled", true);
     }
 
     KConfigGroup cgFilter(config, "Filter Settings");
 
     if (reset || cgFilter.exists()) {
         d->m_adFilterEnabled = cgFilter.readEntry("Enabled", false);
         d->m_hideAdsEnabled = cgFilter.readEntry("Shrink", false);
 
         d->adBlackList.clear();
         d->adWhiteList.clear();
 
         if (d->m_adFilterEnabled) {
 
             /** read maximum age for filter list files, minimum is one day */
             int htmlFilterListMaxAgeDays = cgFilter.readEntry(QString("HTMLFilterListMaxAgeDays")).toInt();
             if (htmlFilterListMaxAgeDays < 1) {
                 htmlFilterListMaxAgeDays = 1;
             }
 
             QMap<QString, QString> entryMap = cgFilter.entryMap();
             QMap<QString, QString>::ConstIterator it;
             for (it = entryMap.constBegin(); it != entryMap.constEnd(); ++it) {
                 int id = -1;
                 QString name = it.key();
                 QString url = it.value();
 
                 if (name.startsWith("Filter")) {
                     if (url.startsWith(QLatin1String("@@"))) {
                         d->adWhiteList.addFilter(url);
                     } else {
                         d->adBlackList.addFilter(url);
                     }
                 } else if (name.startsWith("HTMLFilterListName-") && (id = name.mid(19).toInt()) > 0) {
                     /** check if entry is enabled */
                     bool filterEnabled = cgFilter.readEntry(QString("HTMLFilterListEnabled-").append(QString::number(id))) != QLatin1String("false");
 
                     /** get url for HTMLFilterList */
                     QUrl url(cgFilter.readEntry(QString("HTMLFilterListURL-").append(QString::number(id))));
 
                     if (filterEnabled && url.isValid()) {
                         /** determine where to cache HTMLFilterList file */
                         QString localFile = cgFilter.readEntry(QString("HTMLFilterListLocalFilename-").append(QString::number(id)));
                         localFile = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) + QLatin1Char('/') + "khtml/" + localFile;
 
                         /** determine existence and age of cache file */
                         QFileInfo fileInfo(localFile);
 
                         /** load cached file if it exists, irrespective of age */
                         if (fileInfo.exists()) {
                             d->adblockFilterLoadList(localFile);
                         }
 
                         /** if no cache list file exists or if it is too old ... */
                         if (!fileInfo.exists() || fileInfo.lastModified().daysTo(QDateTime::currentDateTime()) > htmlFilterListMaxAgeDays) {
                             /** ... in this case, refetch list asynchronously */
                             // qCDebug(KHTML_LOG) << "Asynchronously fetching filter list from" << url << "to" << localFile;
 
                             KIO::StoredTransferJob *job = KIO::storedGet(url, KIO::Reload, KIO::HideProgressInfo);
                             QObject::connect(job, SIGNAL(result(KJob*)), d, SLOT(adblockFilterResult(KJob*)));
                             /** for later reference, store name of cache file */
                             job->setProperty("khtmlsettings_adBlock_filename", localFile);
                         }
                     }
                 }
             }
         }
 
     }
 
     KConfigGroup cgHtml(config, "HTML Settings");
     if (reset || cgHtml.exists()) {
         // Fonts and colors
         if (reset) {
             d->defaultFonts = QStringList();
             d->defaultFonts.append(cgHtml.readEntry("StandardFont", QFontDatabase::systemFont(QFontDatabase::GeneralFont).family()));
             d->defaultFonts.append(cgHtml.readEntry("FixedFont", QFontDatabase::systemFont(QFontDatabase::FixedFont).family()));
             // Resolve generic font family names
             const QString serifFont = QFontInfo(QFont(QLatin1String(HTML_DEFAULT_VIEW_SERIF_FONT))).family();
             const QString sansSerifFont = QFontInfo(QFont(QLatin1String(HTML_DEFAULT_VIEW_SANSSERIF_FONT))).family();
             const QString cursiveFont = QFontInfo(QFont(QLatin1String(HTML_DEFAULT_VIEW_CURSIVE_FONT))).family();
             const QString fantasyFont = QFontInfo(QFont(QLatin1String(HTML_DEFAULT_VIEW_FANTASY_FONT))).family();
             d->defaultFonts.append(cgHtml.readEntry("SerifFont", serifFont));
             d->defaultFonts.append(cgHtml.readEntry("SansSerifFont", sansSerifFont));
             d->defaultFonts.append(cgHtml.readEntry("CursiveFont", cursiveFont));
             d->defaultFonts.append(cgHtml.readEntry("FantasyFont", fantasyFont));
             d->defaultFonts.append(QString("0"));     // font size adjustment
         }
 
         if (reset || cgHtml.hasKey("MinimumFontSize")) {
             d->m_minFontSize = cgHtml.readEntry("MinimumFontSize", HTML_DEFAULT_MIN_FONT_SIZE);
         }
 
         if (reset || cgHtml.hasKey("MediumFontSize")) {
             d->m_fontSize = cgHtml.readEntry("MediumFontSize", 12);
         }
 
         d->fonts = cgHtml.readEntry("Fonts", QStringList());
         const int fontsListLength = d->fonts.length();
         // Resolve generic font family names
         for (int i = 0; i < fontsListLength; ++i) {
             const QString fontFamily = d->fonts.at(i);
             if (!fontFamily.isEmpty()) {
                 d->fonts[i] = QFontInfo(QFont(fontFamily)).family();
                 //qCWarning(KHTML_LOG) << "Font family name:" << fontFamily << "resolved to:" << d->fonts.at(i);
             }
         }
 
         if (reset || cgHtml.hasKey("DefaultEncoding")) {
             d->m_encoding = cgHtml.readEntry("DefaultEncoding", "");
         }
 
         if (reset || cgHtml.hasKey("EnforceDefaultCharset")) {
             d->enforceCharset = cgHtml.readEntry("EnforceDefaultCharset", false);
         }
 
         // Behavior
         if (reset || cgHtml.hasKey("ChangeCursor")) {
             d->m_bChangeCursor = cgHtml.readEntry("ChangeCursor", true);
         }
 
         if (reset || cgHtml.hasKey("UnderlineLinks")) {
             d->m_underlineLink = cgHtml.readEntry("UnderlineLinks", true);
         }
 
         if (reset || cgHtml.hasKey("HoverLinks")) {
             if ((d->m_hoverLink = cgHtml.readEntry("HoverLinks", false))) {
                 d->m_underlineLink = false;
             }
         }
 
         if (reset || cgHtml.hasKey("AllowTabulation")) {
             d->m_allowTabulation = cgHtml.readEntry("AllowTabulation", false);
         }
 
         if (reset || cgHtml.hasKey("AutoSpellCheck")) {
             d->m_autoSpellCheck = cgHtml.readEntry("AutoSpellCheck", true);
         }
 
         // Other
         if (reset || cgHtml.hasKey("AutoLoadImages")) {
             d->m_bAutoLoadImages = cgHtml.readEntry("AutoLoadImages", true);
         }
 
         if (reset || cgHtml.hasKey("UnfinishedImageFrame")) {
             d->m_bUnfinishedImageFrame = cgHtml.readEntry("UnfinishedImageFrame", true);
         }
 
         if (reset || cgHtml.hasKey("ShowAnimations")) {
             QString value = cgHtml.readEntry("ShowAnimations").toLower();
             if (value == "disabled") {
                 d->m_showAnimations = KAnimationDisabled;
             } else if (value == "looponce") {
                 d->m_showAnimations = KAnimationLoopOnce;
             } else {
                 d->m_showAnimations = KAnimationEnabled;
             }
         }
 
         if (reset || cgHtml.hasKey("SmoothScrolling")) {
             QString value = cgHtml.readEntry("SmoothScrolling", "whenefficient").toLower();
             if (value == "disabled") {
                 d->m_smoothScrolling = KSmoothScrollingDisabled;
             } else if (value == "whenefficient") {
                 d->m_smoothScrolling = KSmoothScrollingWhenEfficient;
             } else {
                 d->m_smoothScrolling = KSmoothScrollingEnabled;
             }
         }
 
         if (reset || cgHtml.hasKey("DNSPrefetch")) {
             // Enabled, Disabled, OnlyWWWAndSLD
             QString value = cgHtml.readEntry("DNSPrefetch", "Enabled").toLower();
             if (value == "enabled") {
                 d->m_dnsPrefetch = KDNSPrefetchEnabled;
             } else if (value == "onlywwwandsld") {
                 d->m_dnsPrefetch = KDNSPrefetchOnlyWWWAndSLD;
             } else {
                 d->m_dnsPrefetch = KDNSPrefetchDisabled;
             }
         }
 
         if (cgHtml.readEntry("UserStyleSheetEnabled", false) == true) {
             if (reset || cgHtml.hasKey("UserStyleSheet")) {
                 d->m_userSheet = cgHtml.readEntry("UserStyleSheet", "");
             }
         }
 
         d->m_formCompletionEnabled = cgHtml.readEntry("FormCompletion", true);
         d->m_maxFormCompletionItems = cgHtml.readEntry("MaxFormCompletionItems", 10);
         d->m_autoDelayedActionsEnabled = cgHtml.readEntry("AutoDelayedActions", true);
         d->m_jsErrorsEnabled = cgHtml.readEntry("ReportJSErrors", true);
         const QStringList accesskeys = cgHtml.readEntry("FallbackAccessKeysAssignments", QStringList());
         d->m_fallbackAccessKeysAssignments.clear();
         for (QStringList::ConstIterator it = accesskeys.begin(); it != accesskeys.end(); ++it)
             if ((*it).length() > 2 && (*it)[ 1 ] == ':') {
                 d->m_fallbackAccessKeysAssignments.append(qMakePair((*it).mid(2), (*it)[ 0 ]));
             }
     }
 
     // Colors
     //In which group ?????
     if (reset || cg.hasKey("FollowSystemColors")) {
         d->m_follow_system_colors = cg.readEntry("FollowSystemColors", false);
     }
 
     KConfigGroup cgGeneral(config, "General");
     if (reset || cgGeneral.exists()) {
         if (reset || cgGeneral.hasKey("foreground")) {
             QColor def(HTML_DEFAULT_TXT_COLOR);
             d->m_textColor = cgGeneral.readEntry("foreground", def);
         }
 
         if (reset || cgGeneral.hasKey("linkColor")) {
             QColor def(HTML_DEFAULT_LNK_COLOR);
             d->m_linkColor = cgGeneral.readEntry("linkColor", def);
         }
 
         if (reset || cgGeneral.hasKey("visitedLinkColor")) {
             QColor def(HTML_DEFAULT_VLNK_COLOR);
             d->m_vLinkColor = cgGeneral.readEntry("visitedLinkColor", def);
         }
 
         if (reset || cgGeneral.hasKey("background")) {
             QColor def(HTML_DEFAULT_BASE_COLOR);
             d->m_baseColor = cgGeneral.readEntry("background", def);
         }
     }
 
     KConfigGroup cgJava(config, "Java/JavaScript Settings");
     if (reset || cgJava.exists()) {
         // The global setting for JavaScript debugging
         // This is currently always enabled by default
         if (reset || cgJava.hasKey("EnableJavaScriptDebug")) {
             d->m_bEnableJavaScriptDebug = cgJava.readEntry("EnableJavaScriptDebug", false);
         }
 
         // The global setting for JavaScript error reporting
         if (reset || cgJava.hasKey("ReportJavaScriptErrors")) {
             d->m_bEnableJavaScriptErrorReporting = cgJava.readEntry("ReportJavaScriptErrors", false);
         }
 
         // The global setting for popup block passive popup
         if (reset || cgJava.hasKey("PopupBlockerPassivePopup")) {
             d->m_jsPopupBlockerPassivePopup = cgJava.readEntry("PopupBlockerPassivePopup", true);
         }
 
         // Read options from the global "domain"
         readDomainSettings(cgJava, reset, true, d->global);
 #ifdef DEBUG_SETTINGS
         d->global.dump("init global");
 #endif
 
         // The domain-specific settings.
 
         static const char *const domain_keys[] = {  // always keep order of keys
             "ECMADomains", "JavaDomains", "PluginDomains"
         };
         bool check_old_ecma_settings = true;
         bool check_old_java_settings = true;
         // merge all domains into one list
         QMap<QString, int> domainList;  // why can't Qt have a QSet?
         for (unsigned i = 0; i < sizeof domain_keys / sizeof domain_keys[0]; ++i) {
             if (reset || cgJava.hasKey(domain_keys[i])) {
                 if (i == 0) {
                     check_old_ecma_settings = false;
                 } else if (i == 1) {
                     check_old_java_settings = false;
                 }
                 const QStringList dl = cgJava.readEntry(domain_keys[i], QStringList());
                 const QMap<QString, int>::Iterator notfound = domainList.end();
                 QStringList::ConstIterator it = dl.begin();
                 const QStringList::ConstIterator itEnd = dl.end();
                 for (; it != itEnd; ++it) {
                     const QString domain = (*it).toLower();
                     QMap<QString, int>::Iterator pos = domainList.find(domain);
                     if (pos == notfound) {
                         domainList.insert(domain, 0);
                     }
                 }/*next it*/
             }
         }/*next i*/
 
         if (reset) {
             d->domainPolicy.clear();
         }
 
         {
             QMap<QString, int>::ConstIterator it = domainList.constBegin();
             const QMap<QString, int>::ConstIterator itEnd = domainList.constEnd();
             for (; it != itEnd; ++it) {
                 const QString domain = it.key();
                 KConfigGroup cg(config, domain);
                 readDomainSettings(cg, reset, false, d->domainPolicy[domain]);
 #ifdef DEBUG_SETTINGS
                 d->domainPolicy[domain].dump("init " + domain);
 #endif
             }
         }
 
         bool check_old_java = true;
         if ((reset || cgJava.hasKey("JavaDomainSettings"))
                 && check_old_java_settings) {
             check_old_java = false;
             const QStringList domainList = cgJava.readEntry("JavaDomainSettings", QStringList());
             QStringList::ConstIterator it = domainList.constBegin();
             const QStringList::ConstIterator itEnd = domainList.constEnd();
             for (; it != itEnd; ++it) {
                 QString domain;
                 KJavaScriptAdvice javaAdvice;
                 KJavaScriptAdvice javaScriptAdvice;
                 splitDomainAdvice(*it, domain, javaAdvice, javaScriptAdvice);
                 setup_per_domain_policy(d, domain).m_bEnableJava =
                     javaAdvice == KJavaScriptAccept;
 #ifdef DEBUG_SETTINGS
                 setup_per_domain_policy(d, domain).dump("JavaDomainSettings 4 " + domain);
 #endif
             }
         }
 
         bool check_old_ecma = true;
         if ((reset || cgJava.hasKey("ECMADomainSettings"))
                 && check_old_ecma_settings) {
             check_old_ecma = false;
             const QStringList domainList = cgJava.readEntry("ECMADomainSettings", QStringList());
             QStringList::ConstIterator it = domainList.constBegin();
             const QStringList::ConstIterator itEnd = domainList.constEnd();
             for (; it != itEnd; ++it) {
                 QString domain;
                 KJavaScriptAdvice javaAdvice;
                 KJavaScriptAdvice javaScriptAdvice;
                 splitDomainAdvice(*it, domain, javaAdvice, javaScriptAdvice);
                 setup_per_domain_policy(d, domain).m_bEnableJavaScript =
                     javaScriptAdvice == KJavaScriptAccept;
 #ifdef DEBUG_SETTINGS
                 setup_per_domain_policy(d, domain).dump("ECMADomainSettings 4 " + domain);
 #endif
             }
         }
 
         if ((reset || cgJava.hasKey("JavaScriptDomainAdvice"))
                 && (check_old_java || check_old_ecma)
                 && (check_old_ecma_settings || check_old_java_settings)) {
             const QStringList domainList = cgJava.readEntry("JavaScriptDomainAdvice", QStringList());
             QStringList::ConstIterator it = domainList.constBegin();
             const QStringList::ConstIterator itEnd = domainList.constEnd();
             for (; it != itEnd; ++it) {
                 QString domain;
                 KJavaScriptAdvice javaAdvice;
                 KJavaScriptAdvice javaScriptAdvice;
                 splitDomainAdvice(*it, domain, javaAdvice, javaScriptAdvice);
                 if (check_old_java)
                     setup_per_domain_policy(d, domain).m_bEnableJava =
                         javaAdvice == KJavaScriptAccept;
                 if (check_old_ecma)
                     setup_per_domain_policy(d, domain).m_bEnableJavaScript =
                         javaScriptAdvice == KJavaScriptAccept;
 #ifdef DEBUG_SETTINGS
                 setup_per_domain_policy(d, domain).dump("JavaScriptDomainAdvice 4 " + domain);
 #endif
             }
 
             //save all the settings into the new keywords if they don't exist
 #if 0
             if (check_old_java) {
                 QStringList domainConfig;
                 PolicyMap::Iterator it;
                 for (it = d->javaDomainPolicy.begin(); it != d->javaDomainPolicy.end(); ++it) {
                     QByteArray javaPolicy = adviceToStr(it.value());
                     QByteArray javaScriptPolicy = adviceToStr(KJavaScriptDunno);
                     domainConfig.append(QString::fromLatin1("%1:%2:%3").arg(it.key()).arg(javaPolicy).arg(javaScriptPolicy));
                 }
                 cg.writeEntry("JavaDomainSettings", domainConfig);
             }
 
             if (check_old_ecma) {
                 QStringList domainConfig;
                 PolicyMap::Iterator it;
                 for (it = d->javaScriptDomainPolicy.begin(); it != d->javaScriptDomainPolicy.end(); ++it) {
                     QByteArray javaPolicy = adviceToStr(KJavaScriptDunno);
                     QByteArray javaScriptPolicy = adviceToStr(it.value());
                     domainConfig.append(QString::fromLatin1("%1:%2:%3").arg(it.key()).arg(javaPolicy).arg(javaScriptPolicy));
                 }
                 cg.writeEntry("ECMADomainSettings", domainConfig);
             }
 #endif
         }
     }
 }
 
 /** Local helper for retrieving per-domain settings.
   *
   * In case of doubt, the global domain is returned.
   */
 static const KPerDomainSettings &lookup_hostname_policy(
     const KHTMLSettingsPrivate *const d,
     const QString &hostname)
 {
 #ifdef DEBUG_SETTINGS
     // qCDebug(KHTML_LOG) << "lookup_hostname_policy(" << hostname << ")";
 #endif
     if (hostname.isEmpty()) {
 #ifdef DEBUG_SETTINGS
         d->global.dump("global");
 #endif
         return d->global;
     }
 
     const PolicyMap::const_iterator notfound = d->domainPolicy.constEnd();
 
     // First check whether there is a perfect match.
     PolicyMap::const_iterator it = d->domainPolicy.find(hostname);
     if (it != notfound) {
 #ifdef DEBUG_SETTINGS
         // qCDebug(KHTML_LOG) << "perfect match";
         (*it).dump(hostname);
 #endif
         // yes, use it (unless dunno)
         return *it;
     }
 
     // Now, check for partial match.  Chop host from the left until
     // there's no dots left.
     QString host_part = hostname;
     int dot_idx = -1;
     while ((dot_idx = host_part.indexOf(QChar('.'))) >= 0) {
         host_part.remove(0, dot_idx);
         it = d->domainPolicy.find(host_part);
         Q_ASSERT(notfound == d->domainPolicy.end());
         if (it != notfound) {
 #ifdef DEBUG_SETTINGS
             // qCDebug(KHTML_LOG) << "partial match";
             (*it).dump(host_part);
 #endif
             return *it;
         }
         // assert(host_part[0] == QChar('.'));
         host_part.remove(0, 1); // Chop off the dot.
     }
 
     // No domain-specific entry: use global domain
 #ifdef DEBUG_SETTINGS
     // qCDebug(KHTML_LOG) << "no match";
     d->global.dump("global");
 #endif
     return d->global;
 }
 
 bool KHTMLSettings::isOpenMiddleClickEnabled()
 {
     return d->m_bOpenMiddleClick;
 }
 
 bool KHTMLSettings::isBackRightClickEnabled()
 {
     return false; // ## the feature moved to konqueror
 }
 
 bool KHTMLSettings::accessKeysEnabled() const
 {
     return d->m_accessKeysEnabled;
 }
 
 bool KHTMLSettings::isAdFilterEnabled() const
 {
     return d->m_adFilterEnabled;
 }
 
 bool KHTMLSettings::isHideAdsEnabled() const
 {
     return d->m_hideAdsEnabled;
 }
 
 bool KHTMLSettings::isAdFiltered(const QString &url) const
 {
     if (d->m_adFilterEnabled) {
         if (!url.startsWith("data:")) {
             // Check the blacklist, and only if that matches, the whitelist
             return d->adBlackList.isUrlMatched(url) && !d->adWhiteList.isUrlMatched(url);
         }
     }
     return false;
 }
 
 QString KHTMLSettings::adFilteredBy(const QString &url, bool *isWhiteListed) const
 {
     QString m = d->adWhiteList.urlMatchedBy(url);
     if (!m.isEmpty()) {
         if (isWhiteListed != nullptr) {
             *isWhiteListed = true;
         }
         return (m);
     }
 
     m = d->adBlackList.urlMatchedBy(url);
     if (!m.isEmpty()) {
         if (isWhiteListed != nullptr) {
             *isWhiteListed = false;
         }
         return (m);
     }
 
     return (QString());
 }
 
 void KHTMLSettings::addAdFilter(const QString &url)
 {
     KConfigGroup config = KSharedConfig::openConfig("khtmlrc", KConfig::NoGlobals)->group("Filter Settings");
 
     QRegExp rx;
 
     // Try compiling to avoid invalid stuff. Only support the basic syntax here...
     // ### refactor somewhat
     if (url.length() > 2 && url[0] == '/' && url[url.length() - 1] == '/') {
         QString inside = url.mid(1, url.length() - 2);
         rx.setPattern(inside);
     } else {
         rx.setPatternSyntax(QRegExp::Wildcard);
         rx.setPattern(url);
     }
 
     if (rx.isValid()) {
         int last = config.readEntry("Count", 0);
         QString key = "Filter-" + QString::number(last);
         config.writeEntry(key, url);
         config.writeEntry("Count", last + 1);
         config.sync();
         if (url.startsWith(QLatin1String("@@"))) {
             d->adWhiteList.addFilter(url);
         } else {
             d->adBlackList.addFilter(url);
         }
     } else {
         KMessageBox::error(nullptr,
                            rx.errorString(),
                            i18n("Filter error"));
     }
 }
 
 bool KHTMLSettings::isJavaEnabled(const QString &hostname) const
 {
     return lookup_hostname_policy(d, hostname.toLower()).m_bEnableJava;
 }
 
 bool KHTMLSettings::isJavaScriptEnabled(const QString &hostname) const
 {
     return lookup_hostname_policy(d, hostname.toLower()).m_bEnableJavaScript;
 }
 
 bool KHTMLSettings::isJavaScriptDebugEnabled(const QString & /*hostname*/) const
 {
     // debug setting is global for now, but could change in the future
     return d->m_bEnableJavaScriptDebug;
 }
 
 bool KHTMLSettings::isJavaScriptErrorReportingEnabled(const QString & /*hostname*/) const
 {
     // error reporting setting is global for now, but could change in the future
     return d->m_bEnableJavaScriptErrorReporting;
 }
 
 bool KHTMLSettings::isPluginsEnabled(const QString &hostname) const
 {
     return lookup_hostname_policy(d, hostname.toLower()).m_bEnablePlugins;
 }
 
 KHTMLSettings::KJSWindowOpenPolicy KHTMLSettings::windowOpenPolicy(
     const QString &hostname) const
 {
     return lookup_hostname_policy(d, hostname.toLower()).m_windowOpenPolicy;
 }
 
 KHTMLSettings::KJSWindowMovePolicy KHTMLSettings::windowMovePolicy(
     const QString &hostname) const
 {
     return lookup_hostname_policy(d, hostname.toLower()).m_windowMovePolicy;
 }
 
 KHTMLSettings::KJSWindowResizePolicy KHTMLSettings::windowResizePolicy(
     const QString &hostname) const
 {
     return lookup_hostname_policy(d, hostname.toLower()).m_windowResizePolicy;
 }
 
 KHTMLSettings::KJSWindowStatusPolicy KHTMLSettings::windowStatusPolicy(
     const QString &hostname) const
 {
     return lookup_hostname_policy(d, hostname.toLower()).m_windowStatusPolicy;
 }
 
 KHTMLSettings::KJSWindowFocusPolicy KHTMLSettings::windowFocusPolicy(
     const QString &hostname) const
 {
     return lookup_hostname_policy(d, hostname.toLower()).m_windowFocusPolicy;
 }
 
 int KHTMLSettings::mediumFontSize() const
 {
     return d->m_fontSize;
 }
 
 int KHTMLSettings::minFontSize() const
 {
     return d->m_minFontSize;
 }
 
 QString KHTMLSettings::settingsToCSS() const
 {
     // lets start with the link properties
     QString str = "a:link {\ncolor: ";
     str += d->m_linkColor.name();
     str += ';';
     if (d->m_underlineLink) {
         str += "\ntext-decoration: underline;";
     }
 
     if (d->m_bChangeCursor) {
         str += "\ncursor: pointer;";
         str += "\n}\ninput[type=image] { cursor: pointer;";
     }
     str += "\n}\n";
     str += "a:visited {\ncolor: ";
     str += d->m_vLinkColor.name();
     str += ';';
     if (d->m_underlineLink) {
         str += "\ntext-decoration: underline;";
     }
 
     if (d->m_bChangeCursor) {
         str += "\ncursor: pointer;";
     }
     str += "\n}\n";
 
     if (d->m_hoverLink) {
         str += "a:link:hover, a:visited:hover { text-decoration: underline; }\n";
     }
 
     return str;
 }
 
 const QString &KHTMLSettings::availableFamilies()
 {
     if (!avFamilies) {
         avFamilies = new QString;
         QFontDatabase db;
         QStringList families = db.families();
         QStringList s;
         QRegExp foundryExp(" \\[.+\\]");
 
         //remove foundry info
         QStringList::Iterator f = families.begin();
         const QStringList::Iterator fEnd = families.end();
 
         for (; f != fEnd; ++f) {
             (*f).replace(foundryExp, "");
             if (!s.contains(*f)) {
                 s << *f;
             }
         }
         s.sort();
 
         *avFamilies = ',' + s.join(",") + ',';
     }
 
     return *avFamilies;
 }
 
 QString KHTMLSettings::lookupFont(int i) const
 {
     QString font;
     if (d->fonts.count() > i) {
         font = d->fonts[i];
     }
     if (font.isEmpty()) {
         font = d->defaultFonts[i];
     }
     return font;
 }
 
 QString KHTMLSettings::stdFontName() const
 {
     return lookupFont(0);
 }
 
 QString KHTMLSettings::fixedFontName() const
 {
     return lookupFont(1);
 }
 
 QString KHTMLSettings::serifFontName() const
 {
     return lookupFont(2);
 }
 
 QString KHTMLSettings::sansSerifFontName() const
 {
     return lookupFont(3);
 }
 
 QString KHTMLSettings::cursiveFontName() const
 {
     return lookupFont(4);
 }
 
 QString KHTMLSettings::fantasyFontName() const
 {
     return lookupFont(5);
 }
 
 void KHTMLSettings::setStdFontName(const QString &n)
 {
     while (d->fonts.count() <= 0) {
         d->fonts.append(QString());
     }
     d->fonts[0] = n;
 }
 
 void KHTMLSettings::setFixedFontName(const QString &n)
 {
     while (d->fonts.count() <= 1) {
         d->fonts.append(QString());
     }
     d->fonts[1] = n;
 }
 
 QString KHTMLSettings::userStyleSheet() const
 {
     return d->m_userSheet;
 }
 
 bool KHTMLSettings::isFormCompletionEnabled() const
 {
     return d->m_formCompletionEnabled;
 }
 
 int KHTMLSettings::maxFormCompletionItems() const
 {
     return d->m_maxFormCompletionItems;
 }
 
 const QString &KHTMLSettings::encoding() const
 {
     return d->m_encoding;
 }
 
 bool KHTMLSettings::followSystemColors() const
 {
     return d->m_follow_system_colors;
 }
 
 const QColor &KHTMLSettings::textColor() const
 {
     return d->m_textColor;
 }
 
 const QColor &KHTMLSettings::baseColor() const
 {
     return d->m_baseColor;
 }
 
 const QColor &KHTMLSettings::linkColor() const
 {
     return d->m_linkColor;
 }
 
 const QColor &KHTMLSettings::vLinkColor() const
 {
     return d->m_vLinkColor;
 }
 
 bool KHTMLSettings::autoLoadImages() const
 {
     return d->m_bAutoLoadImages;
 }
 
 bool KHTMLSettings::unfinishedImageFrame() const
 {
     return d->m_bUnfinishedImageFrame;
 }
 
 KHTMLSettings::KAnimationAdvice KHTMLSettings::showAnimations() const
 {
     return d->m_showAnimations;
 }
 
 KHTMLSettings::KSmoothScrollingMode KHTMLSettings::smoothScrolling() const
 {
     return d->m_smoothScrolling;
 }
 
 KHTMLSettings::KDNSPrefetch KHTMLSettings::dnsPrefetch() const
 {
     return d->m_dnsPrefetch;
 }
 
 bool KHTMLSettings::isAutoDelayedActionsEnabled() const
 {
     return d->m_autoDelayedActionsEnabled;
 }
 
 bool KHTMLSettings::jsErrorsEnabled() const
 {
     return d->m_jsErrorsEnabled;
 }
 
 void KHTMLSettings::setJSErrorsEnabled(bool enabled)
 {
     d->m_jsErrorsEnabled = enabled;
     // save it
     KConfigGroup cg(KSharedConfig::openConfig(), "HTML Settings");
     cg.writeEntry("ReportJSErrors", enabled);
     cg.sync();
 }
 
 bool KHTMLSettings::allowTabulation() const
 {
     return d->m_allowTabulation;
 }
 
 bool KHTMLSettings::autoSpellCheck() const
 {
     return d->m_autoSpellCheck;
 }
 
 QList< QPair< QString, QChar > > KHTMLSettings::fallbackAccessKeysAssignments() const
 {
     return d->m_fallbackAccessKeysAssignments;
 }
 
 void KHTMLSettings::setJSPopupBlockerPassivePopup(bool enabled)
 {
     d->m_jsPopupBlockerPassivePopup = enabled;
     // save it
     KConfigGroup cg(KSharedConfig::openConfig(), "Java/JavaScript Settings");
     cg.writeEntry("PopupBlockerPassivePopup", enabled);
     cg.sync();
 }
 
 bool KHTMLSettings::jsPopupBlockerPassivePopup() const
 {
     return d->m_jsPopupBlockerPassivePopup;
 }
 
 #include "khtml_settings.moc"