khtml_settings.cc

konqueror3 embedded版本, KDE环境下的当家浏览器的嵌入式版本源码包.

/* This file is part of the KDE project
   Copyright (C) 1999 David Faure <[e-mail]>

   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 <qfontdatabase.h>

#include "khtml_settings.h"
#include "khtmldefaults.h"
#include <kglobalsettings.h>
#include <kconfig.h>
#include <kglobal.h>
#include <klocale.h>
#include <kdebug.h>
#include <qregexp.h>
#include <qvaluevector.h>
#include <kmessagebox.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::null) const {
      kdDebug() << "KPerDomainSettings " << infix << " @" << this << ":" << endl;
      kdDebug() << "  m_bEnableJava: " << m_bEnableJava << endl;
      kdDebug() << "  m_bEnableJavaScript: " << m_bEnableJavaScript << endl;
      kdDebug() << "  m_bEnablePlugins: " << m_bEnablePlugins << endl;
      kdDebug() << "  m_windowOpenPolicy: " << m_windowOpenPolicy << endl;
      kdDebug() << "  m_windowStatusPolicy: " << m_windowStatusPolicy << endl;
      kdDebug() << "  m_windowFocusPolicy: " << m_windowFocusPolicy << endl;
      kdDebug() << "  m_windowMovePolicy: " << m_windowMovePolicy << endl;
      kdDebug() << "  m_windowResizePolicy: " << m_windowResizePolicy << endl;
    }
#endif
};

typedef QMap<QString,KPerDomainSettings> PolicyMap;

class KHTMLSettingsPrivate
{
public:
    bool m_bChangeCursor : 1;
    bool m_bOpenMiddleClick : 1;
    bool m_bBackRightClick : 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;

    QString m_encoding;
    QString m_userSheet;

    QColor m_textColor;
    QColor m_baseColor;
    QColor m_linkColor;
    QColor m_vLinkColor;

    PolicyMap domainPolicy;
    QStringList fonts;
    QStringList defaultFonts;

    QValueVector<QRegExp> adFilters;
    QValueList< QPair< QString, QChar > > m_fallbackAccessKeysAssignments;
};


/** 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 *d,
				const QString &domain) {
  if (domain.isEmpty()) {
    kdWarning() << "setup_per_domain_policy: domain is empty" << endl;
  }
  const QString ldomain = domain.lower();
  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)
{
  KJavaScriptAdvice ret = KJavaScriptDunno;

  if (!_str)
        ret = KJavaScriptDunno;

  if (_str.lower() == QString::fromLatin1("accept"))
        ret = KJavaScriptAccept;
  else if (_str.lower() == QString::fromLatin1("reject"))
        ret = KJavaScriptReject;

  return ret;
}

const char* KHTMLSettings::adviceToStr(KJavaScriptAdvice _advice)
{
    switch( _advice ) {
    case KJavaScriptAccept: return I18N_NOOP("Accept");
    case KJavaScriptReject: return I18N_NOOP("Reject");
    default: return 0;
    }
        return 0;
}


void KHTMLSettings::splitDomainAdvice(const QString& configStr, QString &domain,
                                      KJavaScriptAdvice &javaAdvice, KJavaScriptAdvice& javaScriptAdvice)
{
    QString tmp(configStr);
    int splitIndex = tmp.find(':');
    if ( splitIndex == -1)
    {
        domain = configStr.lower();
        javaAdvice = KJavaScriptDunno;
        javaScriptAdvice = KJavaScriptDunno;
    }
    else
    {
        domain = tmp.left(splitIndex).lower();
        QString adviceString = tmp.mid( splitIndex+1, tmp.length() );
        int splitIndex2 = adviceString.find( ':' );
        if( splitIndex2 == -1 ) {
            // Java advice only
            javaAdvice = strToAdvice( adviceString );
            javaScriptAdvice = KJavaScriptDunno;
        } else {
            // Java and JavaScript advice
            javaAdvice = strToAdvice( adviceString.left( splitIndex2 ) );
            javaScriptAdvice = strToAdvice( adviceString.mid( splitIndex2+1,
                                                              adviceString.length() ) );
        }
    }
}

void KHTMLSettings::readDomainSettings(KConfig *config, bool reset,
	bool global, KPerDomainSettings &pd_settings) {
  QString jsPrefix = global ? QString::null
  				: QString::fromLatin1("javascript.");
  QString javaPrefix = global ? QString::null
  				: QString::fromLatin1("java.");
  QString pluginsPrefix = global ? QString::null
  				: QString::fromLatin1("plugins.");

  // The setting for Java
  QString key = javaPrefix + QString::fromLatin1("EnableJava");
  if ( (global && reset) || config->hasKey( key ) )
    pd_settings.m_bEnableJava = config->readBoolEntry( key, false );
  else if ( !global )
    pd_settings.m_bEnableJava = d->global.m_bEnableJava;

  // The setting for Plugins
  key = pluginsPrefix + QString::fromLatin1("EnablePlugins");
  if ( (global && reset) || config->hasKey( key ) )
    pd_settings.m_bEnablePlugins = config->readBoolEntry( key, true );
  else if ( !global )
    pd_settings.m_bEnablePlugins = d->global.m_bEnablePlugins;

  // The setting for JavaScript
  key = jsPrefix + QString::fromLatin1("EnableJavaScript");
  if ( (global && reset) || config->hasKey( key ) )
    pd_settings.m_bEnableJavaScript = config->readBoolEntry( key, true );
  else if ( !global )
    pd_settings.m_bEnableJavaScript = d->global.m_bEnableJavaScript;

  // window property policies
  key = jsPrefix + QString::fromLatin1("WindowOpenPolicy");
  if ( (global && reset) || config->hasKey( key ) )
    pd_settings.m_windowOpenPolicy = (KJSWindowOpenPolicy)
    		config->readUnsignedNumEntry( key, KJSWindowOpenSmart );
  else if ( !global )
    pd_settings.m_windowOpenPolicy = d->global.m_windowOpenPolicy;

  key = jsPrefix + QString::fromLatin1("WindowMovePolicy");
  if ( (global && reset) || config->hasKey( key ) )
    pd_settings.m_windowMovePolicy = (KJSWindowMovePolicy)
    		config->readUnsignedNumEntry( key, KJSWindowMoveAllow );
  else if ( !global )
    pd_settings.m_windowMovePolicy = d->global.m_windowMovePolicy;

  key = jsPrefix + QString::fromLatin1("WindowResizePolicy");
  if ( (global && reset) || config->hasKey( key ) )
    pd_settings.m_windowResizePolicy = (KJSWindowResizePolicy)
    		config->readUnsignedNumEntry( key, KJSWindowResizeAllow );
  else if ( !global )
    pd_settings.m_windowResizePolicy = d->global.m_windowResizePolicy;

  key = jsPrefix + QString::fromLatin1("WindowStatusPolicy");
  if ( (global && reset) || config->hasKey( key ) )
    pd_settings.m_windowStatusPolicy = (KJSWindowStatusPolicy)
    		config->readUnsignedNumEntry( key, KJSWindowStatusAllow );
  else if ( !global )
    pd_settings.m_windowStatusPolicy = d->global.m_windowStatusPolicy;

  key = jsPrefix + QString::fromLatin1("WindowFocusPolicy");
  if ( (global && reset) || config->hasKey( key ) )
    pd_settings.m_windowFocusPolicy = (KJSWindowFocusPolicy)
    		config->readUnsignedNumEntry( key, 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();
  *d = *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", true, false );
  init( &global, true );

  KConfig *local = KGlobal::config();
  if ( !local )
    return;

  init( local, false );
}

void KHTMLSettings::init( KConfig * config, bool reset )
{
  QString group_save = config->group();
  if (reset || config->hasGroup("MainView Settings"))
  {
    config->setGroup( "MainView Settings" );

    if ( reset || config->hasKey( "OpenMiddleClick" ) )
        d->m_bOpenMiddleClick = config->readBoolEntry( "OpenMiddleClick", true );

    if ( reset || config->hasKey( "BackRightClick" ) )
        d->m_bBackRightClick = config->readBoolEntry( "BackRightClick", false );
  }

  if (reset || config->hasGroup("Access Keys")) {
      config->setGroup( "Access Keys" );
      d->m_accessKeysEnabled = config->readBoolEntry( "Enabled", true );
  }

  if (reset || config->hasGroup("Filter Settings"))
  {
      config->setGroup( "Filter Settings" );
      d->m_adFilterEnabled = config->readBoolEntry("Enabled", false);
      d->m_hideAdsEnabled = config->readBoolEntry("Shrink", false);

      d->adFilters.clear();

      QMap<QString,QString> entryMap = config->entryMap("Filter Settings");
      QMap<QString,QString>::ConstIterator it;
      d->adFilters.reserve(entryMap.count());
      for( it = entryMap.constBegin(); it != entryMap.constEnd(); ++it )
      {
          QString name = it.key();
          QString url = it.data();

          if (url.startsWith("!"))
              continue;

          if (name.startsWith("Filter"))
          {
              if (url.length()>2 && url[0]=='/' && url[url.length()-1] == '/')
              {
                  QString inside = url.mid(1, url.length()-2);
                  QRegExp rx(inside);
                  d->adFilters.append(rx);
              }
              else
              {
                  QRegExp rx;
                  int left,right;

                  for (right=url.length(); right>0 && url[right-1]=='*' ; --right);
                  for (left=0; left<right && url[left]=='*' ; ++left);