khtml_part.cpp.orig

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

  }

  if (d->m_statusBarIconLabel) {
    if (d->m_ssl_in_use)
      QToolTip::add(d->m_statusBarIconLabel,
		    i18n("Session is secured with %1 bit %2.").arg(d->m_ssl_cipher_used_bits).arg(d->m_ssl_cipher));
    else QToolTip::add(d->m_statusBarIconLabel, i18n("Session is not secured."));
  }

  QString iconName;
  switch (sec)  {
  case NotCrypted:
    iconName = "decrypted";
    if ( d->m_statusBarIconLabel )  {
      d->m_statusBarExtension->removeStatusBarItem( d->m_statusBarIconLabel );
      delete d->m_statusBarIconLabel;
      d->m_statusBarIconLabel = 0L;
    }
    break;
  case Encrypted:
    iconName = "encrypted";
    break;
  case Mixed:
    iconName = "halfencrypted";
    break;
  }
  d->m_paSecurity->setIcon( iconName );
  if ( d->m_statusBarIconLabel )
    d->m_statusBarIconLabel->setPixmap( SmallIcon( iconName, instance() ) );
#endif // KONQ_EMBEDDED
}

void KHTMLPart::slotData( KIO::Job* kio_job, const QByteArray &data )
{
  assert ( d->m_job == kio_job );

  //kdDebug( 6050 ) << "slotData: " << data.size() << endl;
  // The first data ?
  if ( !d->m_workingURL.isEmpty() )
  {
      //kdDebug( 6050 ) << "begin!" << endl;

    // We must suspend KIO while we're inside begin() because it can cause
    // crashes if a window (such as kjsdebugger) goes back into the event loop,
    // more data arrives, and begin() gets called again (re-entered).
    d->m_job->suspend();
    begin( d->m_workingURL, d->m_extension->urlArgs().xOffset, d->m_extension->urlArgs().yOffset );
    d->m_job->resume();

    if (d->m_cachePolicy == KIO::CC_Refresh)
      d->m_doc->docLoader()->setCachePolicy(KIO::CC_Verify);
    else
      d->m_doc->docLoader()->setCachePolicy(d->m_cachePolicy);

    d->m_workingURL = KURL();

    d->m_cacheId = KHTMLPageCache::self()->createCacheEntry();

    // When the first data arrives, the metadata has just been made available
    d->m_httpHeaders = d->m_job->queryMetaData("HTTP-Headers");
    time_t cacheCreationDate =  d->m_job->queryMetaData("cache-creation-date").toLong();
    d->m_doc->docLoader()->setCacheCreationDate(cacheCreationDate);

    d->m_pageServices = d->m_job->queryMetaData("PageServices");
    d->m_pageReferrer = d->m_job->queryMetaData("referrer");

    d->m_bSecurityInQuestion = false;
    d->m_ssl_in_use = (d->m_job->queryMetaData("ssl_in_use") == "TRUE");

    {
    KHTMLPart *p = parentPart();
    if (p && p->d->m_ssl_in_use != d->m_ssl_in_use) {
	while (p->parentPart()) p = p->parentPart();

        p->setPageSecurity( Mixed );
        p->d->m_bSecurityInQuestion = true;
    }
    }

    setPageSecurity( d->m_ssl_in_use ? Encrypted : NotCrypted );

    // Shouldn't all of this be done only if ssl_in_use == true ? (DF)
    d->m_ssl_parent_ip = d->m_job->queryMetaData("ssl_parent_ip");
    d->m_ssl_parent_cert = d->m_job->queryMetaData("ssl_parent_cert");
    d->m_ssl_peer_certificate = d->m_job->queryMetaData("ssl_peer_certificate");
    d->m_ssl_peer_chain = d->m_job->queryMetaData("ssl_peer_chain");
    d->m_ssl_peer_ip = d->m_job->queryMetaData("ssl_peer_ip");
    d->m_ssl_cipher = d->m_job->queryMetaData("ssl_cipher");
    d->m_ssl_cipher_desc = d->m_job->queryMetaData("ssl_cipher_desc");
    d->m_ssl_cipher_version = d->m_job->queryMetaData("ssl_cipher_version");
    d->m_ssl_cipher_used_bits = d->m_job->queryMetaData("ssl_cipher_used_bits");
    d->m_ssl_cipher_bits = d->m_job->queryMetaData("ssl_cipher_bits");
    d->m_ssl_cert_state = d->m_job->queryMetaData("ssl_cert_state");

    if (d->m_statusBarIconLabel) {
      QToolTip::remove(d->m_statusBarIconLabel);
      if (d->m_ssl_in_use) {
        QToolTip::add(d->m_statusBarIconLabel, i18n("Session is secured with %1 bit %2.").arg(d->m_ssl_cipher_used_bits).arg(d->m_ssl_cipher));
      } else {
        QToolTip::add(d->m_statusBarIconLabel, i18n("Session is not secured."));
      }
    }

    // Check for charset meta-data
    QString qData = d->m_job->queryMetaData("charset");
    if ( !qData.isEmpty() && !d->m_haveEncoding ) // only use information if the user didn't override the settings
       d->m_encoding = qData;

    // Support for http-refresh
    qData = d->m_job->queryMetaData("http-refresh");
    if( !qData.isEmpty())
      d->m_doc->processHttpEquiv("refresh", qData);

    // DISABLED: Support Content-Location per section 14.14 of RFC 2616.
    // See BR# 51185,BR# 82747
    /*
    QString baseURL = d->m_job->queryMetaData ("content-location");
    if (!baseURL.isEmpty())
      d->m_doc->setBaseURL(KURL( d->m_doc->completeURL(baseURL) ));
    */

    if ( !m_url.isLocalFile() ) {
        // Support for http last-modified
        d->m_lastModified = d->m_job->queryMetaData("modified");
    } else
        d->m_lastModified = QString::null; // done on-demand by lastModified()
  }

  KHTMLPageCache::self()->addData(d->m_cacheId, data);
  write( data.data(), data.size() );
  if (d->m_frame && d->m_frame->m_jscript)
    d->m_frame->m_jscript->dataReceived();
}

void KHTMLPart::slotRestoreData(const QByteArray &data )
{
  // The first data ?
  if ( !d->m_workingURL.isEmpty() )
  {
     long saveCacheId = d->m_cacheId;
     QString savePageReferrer = d->m_pageReferrer;
     QString saveEncoding     = d->m_encoding;
     begin( d->m_workingURL, d->m_extension->urlArgs().xOffset, d->m_extension->urlArgs().yOffset );
     d->m_encoding     = saveEncoding;
     d->m_pageReferrer = savePageReferrer;
     d->m_cacheId = saveCacheId;
     d->m_workingURL = KURL();
  }

  //kdDebug( 6050 ) << "slotRestoreData: " << data.size() << endl;
  write( data.data(), data.size() );

  if (data.size() == 0)
  {
      //kdDebug( 6050 ) << "slotRestoreData: <<end of data>>" << endl;
     // End of data.
    if (d->m_doc && d->m_doc->parsing())
        end(); //will emit completed()
  }
}

void KHTMLPart::showError( KIO::Job* job )
{
  kdDebug(6050) << "KHTMLPart::showError d->m_bParsing=" << (d->m_doc && d->m_doc->parsing()) << " d->m_bComplete=" << d->m_bComplete
                << " d->m_bCleared=" << d->m_bCleared << endl;

  if (job->error() == KIO::ERR_NO_CONTENT)
	return;

  if ( (d->m_doc && d->m_doc->parsing()) || d->m_workingURL.isEmpty() ) // if we got any data already
    job->showErrorDialog( /*d->m_view*/ );
  else
  {
    htmlError( job->error(), job->errorText(), d->m_workingURL );
  }
}

// This is a protected method, placed here because of it's relevance to showError
void KHTMLPart::htmlError( int errorCode, const QString& text, const KURL& reqUrl )
{
  kdDebug(6050) << "KHTMLPart::htmlError errorCode=" << errorCode << " text=" << text << endl;
  // make sure we're not executing any embedded JS
  bool bJSFO = d->m_bJScriptForce;
  bool bJSOO = d->m_bJScriptOverride;
  d->m_bJScriptForce = false;
  d->m_bJScriptOverride = true;
  begin();
  QString errText = QString::fromLatin1( "<HTML dir=%1><HEAD><TITLE>" )
                           .arg(QApplication::reverseLayout() ? "rtl" : "ltr");
  errText += i18n( "Error while loading %1" ).arg( reqUrl.htmlURL() );
  errText += QString::fromLatin1( "</TITLE></HEAD><BODY><P>" );
  errText += i18n( "An error occurred while loading <B>%1</B>:" ).arg( reqUrl.htmlURL() );
  errText += QString::fromLatin1( "</P>" );
  errText += QStyleSheet::convertFromPlainText( KIO::buildErrorString( errorCode, text ) );
  errText += QString::fromLatin1( "</BODY></HTML>" );
  write(errText);
  end();

  d->m_bJScriptForce = bJSFO;
  d->m_bJScriptOverride = bJSOO;

  // make the working url the current url, so that reload works and
  // emit the progress signals to advance one step in the history
  // (so that 'back' works)
  m_url = reqUrl; // same as d->m_workingURL
  d->m_workingURL = KURL();
  emit started( 0 );
  emit completed();
  return;
  // following disabled until 3.1

  QString errorName, techName, description;
  QStringList causes, solutions;

  QByteArray raw = KIO::rawErrorDetail( errorCode, text, &reqUrl );
  QDataStream stream(raw, IO_ReadOnly);

  stream >> errorName >> techName >> description >> causes >> solutions;

  QString url, protocol, datetime;
  url = reqUrl.prettyURL();
  protocol = reqUrl.protocol();
  datetime = KGlobal::locale()->formatDateTime( QDateTime::currentDateTime(),
                                                false );

  QString doc = QString::fromLatin1( "<html><head><title>" );
  doc += i18n( "Error: " );
  doc += errorName;
  doc += QString::fromLatin1( " - %1</title></head><body><h1>" ).arg( url );
  doc += i18n( "The requested operation could not be completed" );
  doc += QString::fromLatin1( "</h1><h2>" );
  doc += errorName;
  doc += QString::fromLatin1( "</h2>" );
  if ( !techName.isNull() ) {
    doc += QString::fromLatin1( "<h2>" );
    doc += i18n( "Technical Reason: " );
    doc += techName;
    doc += QString::fromLatin1( "</h2>" );
  }
  doc += QString::fromLatin1( "<h3>" );
  doc += i18n( "Details of the Request:" );
  doc += QString::fromLatin1( "</h3><ul><li>" );
  doc += i18n( "URL: %1" ).arg( url );
  doc += QString::fromLatin1( "</li><li>" );
  if ( !protocol.isNull() ) {
    // uncomment for 3.1... i18n change
    // doc += i18n( "Protocol: %1" ).arg( protocol ).arg( protocol );
    doc += QString::fromLatin1( "</li><li>" );
  }
  doc += i18n( "Date and Time: %1" ).arg( datetime );
  doc += QString::fromLatin1( "</li><li>" );
  doc += i18n( "Additional Information: %1" ).arg( text );
  doc += QString::fromLatin1( "</li></ul><h3>" );
  doc += i18n( "Description:" );
  doc += QString::fromLatin1( "</h3><p>" );
  doc += description;
  doc += QString::fromLatin1( "</p>" );
  if ( causes.count() ) {
    doc += QString::fromLatin1( "<h3>" );
    doc += i18n( "Possible Causes:" );
    doc += QString::fromLatin1( "</h3><ul><li>" );
    doc += causes.join( "</li><li>" );
    doc += QString::fromLatin1( "</li></ul>" );
  }
  if ( solutions.count() ) {
    doc += QString::fromLatin1( "<h3>" );
    doc += i18n( "Possible Solutions:" );
    doc += QString::fromLatin1( "</h3><ul><li>" );
    doc += solutions.join( "</li><li>" );
    doc += QString::fromLatin1( "</li></ul>" );
  }
  doc += QString::fromLatin1( "</body></html>" );

  write( doc );
  end();
}

void KHTMLPart::slotFinished( KIO::Job * job )
{
  d->m_job = 0L;
  d->m_jobspeed = 0L;

  if (job->error())
  {
    KHTMLPageCache::self()->cancelEntry(d->m_cacheId);

    // The following catches errors that occur as a result of HTTP
    // to FTP redirections where the FTP URL is a directory. Since
    // KIO cannot change a redirection request from GET to LISTDIR,
    // we have to take care of it here once we know for sure it is
    // a directory...
    if (job->error() == KIO::ERR_IS_DIRECTORY)
    {
      KParts::URLArgs args;
      emit d->m_extension->openURLRequest( d->m_workingURL, args );
    }
    else
    {
      emit canceled( job->errorString() );
      // TODO: what else ?
      checkCompleted();
      showError( job );
    }

    return;
  }
  KIO::TransferJob *tjob = ::qt_cast<KIO::TransferJob*>(job);
  if (tjob && tjob->isErrorPage()) {
    khtml::RenderPart *renderPart = d->m_frame->m_frame;
    if (renderPart) {
      HTMLObjectElementImpl* elt = static_cast<HTMLObjectElementImpl *>(renderPart->element());
      if (!elt)
        return;
      elt->renderAlternative();
      checkCompleted();
     }
     if (d->m_bComplete) return;
  }

  //kdDebug( 6050 ) << "slotFinished" << endl;

  KHTMLPageCache::self()->endData(d->m_cacheId);
  if (d->m_frame && d->m_frame->m_jscript)
    d->m_frame->m_jscript->dataReceived();

  if ( d->m_doc && d->m_doc->docLoader()->expireDate() && m_url.protocol().lower().startsWith("http"))
      KIO::http_update_cache(m_url, false, d->m_doc->docLoader()->expireDate());

  d->m_workingURL = KURL();

  if ( d->m_doc && d->m_doc->parsing())
    end(); //will emit completed()
}

void KHTMLPart::begin( const KURL &url, int xOffset, int yOffset )
{
  // No need to show this for a new page until an error is triggered
  if (!parentPart()) {
    removeJSErrorExtension();
    setSuppressedPopupIndicator( false );
    d->m_openableSuppressedPopups = 0;
    for ( KHTMLPart* part = d->m_suppressedPopupOriginParts.first(); part; part = d->m_suppressedPopupOriginParts.next() ) {
       KJS::Window *w = KJS::Window::retrieveWindow( part );
       if (w)
           w->forgetSuppressedWindows();
    }
  }

  clear();
  d->m_bCleared = false;
  d->m_cacheId = 0;
  d->m_bComplete = false;
  d->m_bLoadEventEmitted = false;

  if(url.isValid()) {
      QString urlString = url.url();
      KHTMLFactory::vLinks()->insert( urlString );
      QString urlString2 = url.prettyURL();
      if ( urlString != urlString2 ) {
          KHTMLFactory::vLinks()->insert( urlString2 );
      }
  }


  // ###
  //stopParser();

  KParts::URLArgs args( d->m_extension->urlArgs() );
  args.xOffset = xOffset;
  args.yOffset = yOffset;
  d->m_extension->setURLArgs( args );

  d->m_pageReferrer = QString::null;

  KURL ref(url);
  d->m_referrer = ref.protocol().startsWith("http") ? ref.url() : "";

  m_url = url;

  bool servedAsXHTML = args.serviceType == "application/xhtml+xml";
  bool servedAsXML = KMimeType::mimeType(args.serviceType)->is( "text/xml" );
  // ### not sure if XHTML documents served as text/xml should use DocumentImpl or HTMLDocumentImpl
  i