khtml_part.cpp

将konqueror浏览器移植到ARM9 2410中

{
  if (!d->m_doc)
      return false;
  HTMLCollectionImpl *anchors =
      new HTMLCollectionImpl( d->m_doc, HTMLCollectionImpl::DOC_ANCHORS);
  anchors->ref();
  NodeImpl *n = anchors->namedItem(name);
  anchors->deref();

  if(!n) {
      kdDebug(6050) << "KHTMLPart::gotoAnchor no node found" << endl;
      return false;
  }

  int x = 0, y = 0;
  HTMLElementImpl *a = static_cast<HTMLElementImpl *>(n);
  a->getUpperLeftCorner(x, y);
  d->m_view->setContentsPos(x-50, y-50);

  return true;
}

void KHTMLPart::setFontSizes( const QValueList<int> &newFontSizes )
{
  d->m_settings->setFontSizes( newFontSizes );
}

QValueList<int> KHTMLPart::fontSizes() const
{
  return d->m_settings->fontSizes();
}

void KHTMLPart::resetFontSizes()
{
  d->m_settings->resetFontSizes();
}

void KHTMLPart::setStandardFont( const QString &name )
{
    d->m_settings->setStdFontName(name);
}

void KHTMLPart::setFixedFont( const QString &name )
{
    d->m_settings->setFixedFontName(name);
}

void KHTMLPart::setURLCursor( const QCursor &c )
{
  d->m_linkCursor = c;
}

const QCursor &KHTMLPart::urlCursor() const
{
  return d->m_linkCursor;
}

bool KHTMLPart::onlyLocalReferences() const
{
  return d->m_onlyLocalReferences;
}

void KHTMLPart::setOnlyLocalReferences(bool enable)
{
  d->m_onlyLocalReferences = enable;
}

void KHTMLPart::findTextBegin()
{
  d->m_findPos = -1;
  d->m_findNode = 0;
}

bool KHTMLPart::findTextNext( const QRegExp &exp, bool forward )
{
    if ( !d->m_doc )
        return false;

    if(!d->m_findNode) {
        if (d->m_doc->isHTMLDocument())
            d->m_findNode = static_cast<HTMLDocumentImpl*>(d->m_doc)->body();
        else
            d->m_findNode = d->m_doc;
    }

    if ( !d->m_findNode ||
         d->m_findNode->id() == ID_FRAMESET )
      return false;

    while(1)
    {
        if( (d->m_findNode->nodeType() == Node::TEXT_NODE || d->m_findNode->nodeType() == Node::CDATA_SECTION_NODE) && d->m_findNode->renderer() )
        {
            DOMStringImpl *t = (static_cast<TextImpl *>(d->m_findNode))->string();
            QConstString s(t->s, t->l);
            d->m_findPos = s.string().find(exp, d->m_findPos+1);
            if(d->m_findPos != -1)
            {
                int x = 0, y = 0;
        khtml::RenderText *text = static_cast<khtml::RenderText *>(d->m_findNode->renderer());
                text->posOfChar(d->m_findPos, x, y);
                d->m_view->setContentsPos(x-50, y-50);
                return true;
            }
        }
        d->m_findPos = -1;

        NodeImpl *next;

        if ( forward )
        {
          next = d->m_findNode->firstChild();

          if(!next) next = d->m_findNode->nextSibling();
          while(d->m_findNode && !next) {
              d->m_findNode = d->m_findNode->parentNode();
              if( d->m_findNode ) {
                  next = d->m_findNode->nextSibling();
              }
          }
        }
        else
        {
          next = d->m_findNode->lastChild();

          if (!next ) next = d->m_findNode->previousSibling();
          while ( d->m_findNode && !next )
          {
            d->m_findNode = d->m_findNode->parentNode();
            if( d->m_findNode )
            {
              next = d->m_findNode->previousSibling();
            }
          }
        }

        d->m_findNode = next;
        if(!d->m_findNode) return false;
    }
}

bool KHTMLPart::findTextNext( const QString &str, bool forward, bool caseSensitive )
{
    if ( !d->m_doc )
        return false;

    if(!d->m_findNode) {
        if (d->m_doc->isHTMLDocument())
            d->m_findNode = static_cast<HTMLDocumentImpl*>(d->m_doc)->body();
        else
            d->m_findNode = d->m_doc;
    }

    if ( !d->m_findNode ||
         d->m_findNode->id() == ID_FRAMESET )
      return false;

    while(1)
    {
        if( (d->m_findNode->nodeType() == Node::TEXT_NODE || d->m_findNode->nodeType() == Node::CDATA_SECTION_NODE) && d->m_findNode->renderer() )
        {
            DOMStringImpl *t = (static_cast<TextImpl *>(d->m_findNode))->string();
            QConstString s(t->s, t->l);
            d->m_findPos = s.string().find(str, d->m_findPos+1, caseSensitive);
            if(d->m_findPos != -1)
            {
                int x = 0, y = 0;
        static_cast<khtml::RenderText *>(d->m_findNode->renderer())
            ->posOfChar(d->m_findPos, x, y);
                d->m_view->setContentsPos(x-50, y-50);

                d->m_selectionStart = d->m_findNode;
                d->m_startOffset = d->m_findPos;
                d->m_selectionEnd = d->m_findNode;
                d->m_endOffset = d->m_findPos + str.length();
                d->m_startBeforeEnd = true;

                d->m_doc->setSelection( d->m_selectionStart.handle(), d->m_startOffset,
                                        d->m_selectionEnd.handle(), d->m_endOffset );
                emitSelectionChanged();
                return true;
            }
        }
        d->m_findPos = -1;

        NodeImpl *next;

        if ( forward )
        {
          next = d->m_findNode->firstChild();

          if(!next) next = d->m_findNode->nextSibling();
          while(d->m_findNode && !next) {
              d->m_findNode = d->m_findNode->parentNode();
              if( d->m_findNode ) {
                  next = d->m_findNode->nextSibling();
              }
          }
        }
        else
        {
          next = d->m_findNode->lastChild();

          if (!next ) next = d->m_findNode->previousSibling();
          while ( d->m_findNode && !next )
          {
            d->m_findNode = d->m_findNode->parentNode();
            if( d->m_findNode )
            {
              next = d->m_findNode->previousSibling();
            }
          }
        }

        d->m_findNode = next;
        if(!d->m_findNode) return false;
    }
}

QString KHTMLPart::selectedText() const
{
  QString text;
  DOM::Node n = d->m_selectionStart;
  while(!n.isNull()) {
      if(n.nodeType() == DOM::Node::TEXT_NODE) {
        QString str = static_cast<TextImpl *>(n.handle())->data().string();
        if(n == d->m_selectionStart && n == d->m_selectionEnd)
          text = str.mid(d->m_startOffset, d->m_endOffset - d->m_startOffset);
        else if(n == d->m_selectionStart)
          text = str.mid(d->m_startOffset);
        else if(n == d->m_selectionEnd)
          text += str.left(d->m_endOffset);
        else
          text += str;
      }
      else {
        // This is our simple HTML -> ASCII transformation:
        unsigned short id = n.elementId();
        switch(id) {
          case ID_TD:
          case ID_TH:
          case ID_BR:
          case ID_HR:
          case ID_OL:
          case ID_UL:
          case ID_LI:
          case ID_DD:
          case ID_DL:
          case ID_DT:
          case ID_PRE:
          case ID_BLOCKQUOTE:
            text += "\n";
            break;
          case ID_P:
          case ID_TR:
          case ID_H1:
          case ID_H2:
          case ID_H3:
          case ID_H4:
          case ID_H5:
          case ID_H6:
            text += "\n\n";
            break;
        }
      }
      if(n == d->m_selectionEnd) break;
      DOM::Node next = n.firstChild();
      if(next.isNull()) next = n.nextSibling();
      while( next.isNull() && !n.parentNode().isNull() ) {
        n = n.parentNode();
        next = n.nextSibling();
      }

      n = next;
    }
    return text;
}

bool KHTMLPart::hasSelection() const
{
  return ( !d->m_selectionStart.isNull() &&
           !d->m_selectionEnd.isNull() );
}

DOM::Range KHTMLPart::selection() const
{
    DOM::Range r = document().createRange();DOM::Range();
    r.setStart( d->m_selectionStart, d->m_startOffset );
    r.setEnd( d->m_selectionEnd, d->m_endOffset );
    return r;
}


void KHTMLPart::setSelection( const DOM::Range &r )
{
    d->m_selectionStart = r.startContainer();
    d->m_startOffset = r.startOffset();
    d->m_selectionEnd = r.endContainer();
    d->m_endOffset = r.endOffset();
    d->m_doc->setSelection(d->m_selectionStart.handle(),d->m_startOffset,
                           d->m_selectionEnd.handle(),d->m_endOffset);
}

// TODO merge with other overURL (BCI)
void KHTMLPart::overURL( const QString &url, const QString &target, bool shiftPressed )
{
  if( d->m_kjsStatusBarText.isEmpty() || shiftPressed )
  {
    overURL( url, target );
  }
  else
  {
    emit onURL( url );
    emit setStatusBarText( d->m_kjsStatusBarText );
    d->m_kjsStatusBarText = QString::null;
  }
}

void KHTMLPart::overURL( const QString &url, const QString &target )
{
  emit onURL( url );

  if ( url.isEmpty() )
  {
    emit setStatusBarText(url);
    return;
  }

  if (url.find( QString::fromLatin1( "javascript:" ),0, false ) != -1 )
  {
    emit setStatusBarText( url.mid( url.find( "javascript:", 0, false ) ) );
    return;
  }

  KURL u = completeURL( url );
  // special case for <a href="">
  if ( url.isEmpty() )
    u.setFileName( url );

  QString com;

  KMimeType::Ptr typ = KMimeType::findByURL( u );

  if ( typ )
    com = typ->comment( u, false );

  if ( u.isMalformed() )
  {
    emit setStatusBarText(u.prettyURL());
    return;
  }

  if ( u.isLocalFile() )
  {
    // TODO : use KIO::stat() and create a KFileItem out of its result,
    // to use KFileItem::statusBarText()
    QCString path = QFile::encodeName( u.path() );

    struct stat buff;
    bool ok = !stat( path.data(), &buff );

    struct stat lbuff;
    if (ok) ok = !lstat( path.data(), &lbuff );

    QString text = u.url();
    QString text2 = text;

    if (ok && S_ISLNK( lbuff.st_mode ) )
    {
      QString tmp;
      if ( com.isNull() )
        tmp = i18n( "Symbolic Link");
      else
        tmp = i18n("%1 (Link)").arg(com);
      char buff_two[1024];
      text += " -> ";
      int n = readlink ( path.data(), buff_two, 1022);
      if (n == -1)
      {
        text2 += "  ";
        text2 += tmp;
        emit setStatusBarText(text2);
        return;
      }
      buff_two[n] = 0;

      text += buff_two;
      text += "  ";
      text += tmp;
    }
    else if ( ok && S_ISREG( buff.st_mode ) )
    {
      if (buff.st_size < 1024)
        text = i18n("%2 (%1 bytes)").arg((long) buff.st_size).arg(text2); // always put the URL last, in case it contains '%'
      else
      {
        float d = (float) buff.st_size/1024.0;
        text = i18n("%1 (%2 K)").arg(text2).arg(KGlobal::locale()->formatNumber(d, 2)); // was %.2f
      }
      text += "  ";
      text += com;
    }
    else if ( ok && S_ISDIR( buff.st_mode ) )
    {
      text += "  ";
      text += com;
    }
    else
    {
      text += "  ";
      text += com;
    }
    emit setStatusBarText(text);
  }
  else
  {
    QString extra;
    if (target == QString::fromLatin1("_blank"))
    {
      extra = i18n(" (In new window)");
    }
    else if (!target.isEmpty() &&
             (target != QString::fromLatin1("_top")) &&
             (target != QString::fromLatin1("_self")) &&
             (target != QString::fromLatin1("_parent")))
    {
      extra = i18n(" (In other frame)");
    }

    if (u.protocol() == QString::fromLatin1("mailto")) {
      QString mailtoMsg/* = QString::fromLatin1("<img src=%1>").arg(locate("icon", QString::fromLatin1("locolor/16x16/actions/mail_send.png")))*/;
      mailtoMsg += i18n("Email to: ") + KURL::decode_string(u.path());
      QStringList queries = QStringList::split('&', u.query().mid(1));
      for (QStringList::Iterator it = queries.begin(); it != queries.end(); ++it)
        if ((*it).startsWith(QString::fromLatin1("subject=")))
          mailtoMsg += i18n(" - Subject: ") + KURL::decode_string((*it).mid(8));
        else if ((*it).startsWith(QString::fromLatin1("cc=")))
          mailtoMsg += i18n(" - CC: ") + KURL::decode_string((*it).mid(3));
        else if ((*it).startsWith(QString::fromLatin1("bcc=")))
          mailtoMsg += i18n(" - BCC: ") + KURL::decode_string((*it).mid(4));
      emit setStatusBarText(mailtoMsg);
			return;
    } else if (u.protocol() == QString::fromLatin1("http")) {
        DOM::Node hrefNode = nodeUnderMouse().parentNode();
        while (hrefNode.nodeName().string() != QString::fromLatin1("A") && !hrefNode.isNull())
          hrefNode = hrefNode.parentNode();

/*        // Is this check neccessary at all? (Frerich)
        if (!hrefNode.isNull()) {
          DOM::Node hreflangNode = hrefNode.attributes().getNamedItem("HREFLANG");
          if (!hreflangNode.isNull()) {
            QString countryCode = hreflangNode.nodeValue().string().lower();
            // Map the language code to an appropriate country code.
            if (countryCode == QString::fromLatin1("en"))
              countryCode = QString::fromLatin1("gb");
            QString flagImg = QString::fromLatin1("<img src=%1>").arg(
                locate("locale", QString::fromLatin1("l10n/")
                + countryCode