webcorebridge.cpp

最新Nokia手机浏览器全套源代码完美版。

    iPart->setShowsFirstResponder(flag);
}
*/

EXPORT_C
void CWebCoreBridge::SetShouldCreateRenderers(TBool aCreateRenderers)
{
    iShouldCreateRenderers = aCreateRenderers;
}

EXPORT_C
TBool CWebCoreBridge::ShouldCreateRenderers()
{
    return iShouldCreateRenderers;
}

EXPORT_C
TInt CWebCoreBridge::NumPendingOrLoadingRequests()
{
    DocumentImpl *doc = iPart->xmlDocImpl();

    if (doc)
        return KWQNumberOfPendingOrLoadingRequests (doc->docLoader());
    return 0;
}

EXPORT_C
TRgb CWebCoreBridge::BodyBackgroundColor()
{
    return iPart->BodyBackgroundColor();
}

EXPORT_C
TRgb CWebCoreBridge::SelectionColor()
{
    RenderCanvas* root = static_cast<khtml::RenderCanvas *>(iPart->xmlDocImpl()->renderer());
    if (root) {
        RenderStyle *pseudoStyle = root->getPseudoStyle(RenderStyle::SELECTION);
        if (pseudoStyle && pseudoStyle->backgroundColor().isValid()) {
            return pseudoStyle->backgroundColor().Rgb();
        }
    }
    return TRgb(0xff,0,0);

// ### NOT IMPLEMENTED selection colors
    //return iPart->usesInactiveTextBackgroundColor() ? [NSColor secondarySelectedControlColor] : [NSColor selectedTextBackgroundColor];
}

EXPORT_C
void CWebCoreBridge::AdjustViewSize()
{
    KHTMLView *view = iPart->view();
    if (view)
        view->adjustViewSize();
}

EXPORT_C void CWebCoreBridge::ExecuteScript(const TDesC& aScriptText)
{
  NodeImpl* node = iPart->xmlDocImpl()->focusNode();
  if (iPart && node)
     iPart->executeScript(node,QString::FromDes(aScriptText));
}


// ### NOT IMPLEMENTED accessibility
/*
-(id)accessibilityTree
{
    KWQAccObjectCache::enableAccessibility();
    if (!iPart || !iPart->xmlDocImpl()) return nil;
    RenderCanvas* root = static_cast<khtml::RenderCanvas *>(iPart->xmlDocImpl()->renderer());
    if (!root) return nil;
    return iPart->xmlDocImpl()->getOrCreateAccObjectCache()->accObject(root);
}
*/


EXPORT_C
void CWebCoreBridge::SetDrawsBackground(TBool aDrawsBackground)
{
    if (iPart && iPart->view())
        iPart->view()->setTransparent(!aDrawsBackground);
}

EXPORT_C HBufC* CWebCoreBridge::ResolveUrlL(const TDesC &aBaseUrl, const TDesC &aResUrl)
{
    QString resource = QString::FromDes(aResUrl);
    KURL baseUrl(aBaseUrl);
    KURL url(baseUrl,resource,NULL);
    QString completeUrl = url.url();
    HBufC* newUrl = HBufC::NewL(completeUrl.length() + 1);
    TPtr newUrlPtr = newUrl->Des();
    newUrlPtr.Copy(completeUrl.Des());
    return newUrl;
}

EXPORT_C
CArrayFixFlat<TWebCoreImageCarrier>* CWebCoreBridge::ImagesInRect(TBool visibleOnly)
{


  if(!iPart || !iPart->xmlDocImpl() || !iPart->xmlDocImpl()->renderer())
    {
    return NULL;
    }

    KHTMLView *view = iPart->view();
  QPtrList<khtml::BoxInfo> *boxInfoList = new QPtrList<khtml::BoxInfo>;

  int contentsx = view->contentsX();          // view port x position
    int contentsy = view->contentsY();            // view port y position
    int contentsW = view->contentsWidth();        // width of the content
    int contentsH = view->contentsHeight();       // height of the content
    int visibleW = view->visibleWidth();          // width of the display
    int visibleH = view->visibleHeight();         // height of the display

  if (visibleOnly) { // get the rectangle for the visible portion only
      QRect viewrect(contentsx, contentsy, visibleW, visibleH);
    iPart->xmlDocImpl()->renderer()->getRenderersInRect(*boxInfoList,0,0,viewrect);
  }
  else {
    QRect rt(0,0,contentsW,contentsH);
    iPart->xmlDocImpl()->renderer()->getRenderersInRect(*boxInfoList,0,0,rt);
  }

  //Initialise the WebCoreImageCarrier
  CArrayFixFlat<TWebCoreImageCarrier>* imageList =
        new CArrayFixFlat<TWebCoreImageCarrier>(10);

  for(khtml::BoxInfo *sel = boxInfoList->first();sel;sel = boxInfoList->next())
    {
      if (sel->renderObject && sel->renderObject->isImage()) {
        NodeImpl* node = sel->renderObject->node();
        RenderImage *r = static_cast<RenderImage *>(node->renderer());
        QPixmap p = r->pixmap();
        khtml::CachedImage* ci = r->getImage();

                if( !ci ) continue;

        TPtrC8 rawData = ci->rawData();

        // Check if there is data in the image buffer.
        // Broken links do not have data in them
        if (rawData.Length() == 0) {
          // No data present, so continue
          continue;
        }

        // Check if this image has been retrieved before.
        // Image pointer should be the same for similar images
        TBool imageExist = false;
        for (int i=0; i<imageList->Count();i++)
        {
          TWebCoreImageCarrier wcImage = imageList->At(i);
          if ( rawData == wcImage.RawData()) {
              imageExist = true;
              break;
          }
        }
        if ( imageExist )  {// do not add to the imageList
          continue;
        }

        // Get the alt text

              DOMString alt;
        ElementImpl *i = static_cast<ElementImpl*>(node);
        if (idFromNode(i) == ID_IMG)
                    alt = static_cast<HTMLImageElementImpl *>(i)->altText();

                // Check if alttext is "Nokia" or "No_save".
                // Then do not add the image to the list
                const char* str1 = "Nokia";
                const char* str2 = "No_Save";

                if ( !strcasecmp( alt, str1) ||  !strcasecmp( alt, str2)  )
                    continue;

        DOM::DOMString url = ci->url();
        TPtrC ptrUrl((TUint16*)url.unicode(), url.length());
        TPtrC altPtr((TUint16*)alt.unicode(), alt.length());


            TWebCoreImageCarrier t (rawData,
             ptrUrl,
         altPtr,
         p.mime().Des(),
         p.image() ) ;

            imageList->AppendL( t );
        }
    }
  boxInfoList->clear();
  delete boxInfoList;
  return imageList;
}


EXPORT_C
TInt CWebCoreBridge::ImageCount(TBool visibleOnly)
{

  // This function is called sometimes whenthe doucment has not rendered.
  if(!iPart || !iPart->xmlDocImpl() || !iPart->xmlDocImpl()->renderer())
    {
    return 0;
    }

  // Get the renderers for rectangle.
  // Get only the image renderers and get the count
  // no need for raw data here.
  KHTMLView *view = iPart->view();
  QPtrList<khtml::BoxInfo> *boxInfoList = new QPtrList<khtml::BoxInfo>;

  int contentsx = view->contentsX();          // view port x position
    int contentsy = view->contentsY();            // view port y position
    int contentsW = view->contentsWidth();        // width of the content
    int contentsH = view->contentsHeight();       // height of the content
    int visibleW = view->visibleWidth();          // width of the display
    int visibleH = view->visibleHeight();         // height of the display

  if (visibleOnly) {// get the rectangle for the visible portion only
      QRect viewrect(contentsx, contentsy, visibleW, visibleH);
    iPart->xmlDocImpl()->renderer()->getRenderersInRect(*boxInfoList,0,0,viewrect);
  }
  else {
    QRect rt(0,0,contentsW,contentsH);
    iPart->xmlDocImpl()->renderer()->getRenderersInRect(*boxInfoList,0,0,rt);
  }

  int numImages = 0;
  for(khtml::BoxInfo *sel = boxInfoList->first();sel;sel = boxInfoList->next())
    {
    if (sel->renderObject && sel->renderObject->isImage()) {
      // Check if the images have data in them.
      // Sometimes broken links do not have data in them.
      // This should not be included
      RenderImage *r = static_cast<RenderImage *>(sel->renderObject);
      khtml::CachedImage* ci = r->getImage();

      if ( ci && ( ci->rawData().Length() > 0 ) ) {
    // Get the alt text
    DOMString alt;
    ElementImpl *i = static_cast<ElementImpl*>(sel->renderObject->node());
    if ( i && ( idFromNode(i) == ID_IMG ) )
      alt = static_cast<HTMLImageElementImpl *>(i)->altText();

        // Check if alttext is "Nokia" or "No_save".
        // Then do not count that image
        const char* str1 = "Nokia";
        const char* str2 = "No_Save";

        if ( !strcasecmp( alt, str1) ||  !strcasecmp( alt, str2) )
      continue;
    numImages++;
        }
      }
    }
  boxInfoList->clear();
  delete boxInfoList;

  return numImages;
}


EXPORT_C
void CWebCoreBridge::AddToContacts(TPoint& aPoint)
{
  if(iPart->xmlDocImpl())
    {
        // get the current focus node
      RenderObject::NodeInfo renderInfo(true, false);
    iPart->renderer()->layer()->hitTest(renderInfo, aPoint.iX, aPoint.iY);

    NodeImpl *node = renderInfo.innerNode();

    NodeImpl *focusNode  = node;

    for (; focusNode ; focusNode = focusNode->parentNode()) {
      if (focusNode->isElementNode() && focusNode->isFocusable()) {
          break;
      }
    }

        // is element node
        if(focusNode && focusNode->id() == ID_A )
            {
            ElementImpl *e = static_cast<ElementImpl *>(focusNode);
            QString tel;
            QString email;
            QString telbook;

            QString attr = e->getAttribute(ATTR_HREF).string();
        if (!attr.isNull() && !attr.isEmpty() )
          {
                if ( attr.startsWith( KTel ) )
              tel = attr.mid(4);
                else if( attr.startsWith(KWtaiMC) )
                    tel = attr.mid(13);
                else if( attr.startsWith(KWtaiAP) )
                    tel = attr.mid(13);
                else if( attr.startsWith(KWtaiSD) )
                    tel = attr.mid(13);
            else if ( attr.startsWith( KMailto ) )
              {
              email = attr.mid(7);
              // Find just the email address
              int i = email.find('?');
              if (i > 0 )
                email = email.left(i).stripWhiteSpace();
              }
          }
         attr = e->getAttribute(ATTR_CTI).string();
         if (!attr.isNull() && !attr.isEmpty() )
          tel = attr;

         attr = e->getAttribute(ATTR_EMAIL).string();
         if (!attr.isNull() && !attr.isEmpty() )
          email = attr;

         attr = e->getAttribute(ATTR_TELBOOK).string();
         if (!attr.isNull() && !attr.isEmpty() )
          telbook = attr;

       // Save to phone book
       QString url;

         QString makeCallUrlPrefix("wtai://wp/ap;");
       QChar numberNameSeparator = ';';

       int len = makeCallUrlPrefix.length() + 3; // NULL terminator and ';' separators

         len += tel.length() + telbook.length() + email.length();

         url.reserve(len);

         url.append(makeCallUrlPrefix);
       url.append(tel);
         url.append(numberNameSeparator);
       url.append(telbook);
         url.append(numberNameSeparator);
         url.append(email);

         Client().LoadUrl(url.Des(),
          KNullDesC, // referrer
                EFalse, // reload
                ETrue, //userGesture
                KNullDesC, //target
            EEventNull //triggeringEvent
              );


         }
   }
}

EXPORT_C
CArrayPtr<CWebCorePageDataItem>* CWebCoreBridge::GetPageDataL(TInt aTypeMask)
{
    DOM::Document document = iPart->document();
    khtml::DocLoader* loader = NULL;
    if ( iPart->xmlDocImpl() )
        {
        loader = iPart->xmlDocImpl()->docLoader();
        }
    User::LeaveIfNull( loader ); // if loader is null, we don't have a page loaded
    CArrayPtr<CWebCorePageDataItem>* itemArray =
        new(ELeave) CArrayPtrFlat<CWebCorePageDataItem>(10);
    CleanupStack::PushL( itemArray );
    CWebCorePageDataItem* dataItem = NULL;
    
    // get page markup document if requested
    if(aTypeMask & CWebCorePageDataItem::EMarkup)
        {
        QString pageMarkupQ = document.toHTML();
        dataItem = CWebCorePageDataItem::NewL(CWebCorePageDataItem::EMarkup);
        CleanupStack::PushL( dataItem );
        dataItem->SetUrlL(iPart->requestedURLString().Des());
        dataItem->SetContentTypeL(_L("text/html"));                        
        dataItem->SetCharsetL(_L("ucs-2")); 
        dataItem->SetDataL( pageMarkupQ.Des() );
        itemArray->AppendL(dataItem);
        CleanupStack::Pop( dataItem );
        }
    // get stylesheet documents if requested
    if(aTypeMask & CWebCorePageDataItem::EStylesheet)
        {
        DOM::StyleSheetList sheetList = document.styleSheets();
        khtml::CachedCSSStyleSheet* kStyleSheet = NULL;
        QString charset("");
        for(int m=0; m<sheetList.length(); m++)
            {
            DOM::StyleSheet dStylesheet = sheetList.item(m);
            DOM::DOMString sheetUrl = dStylesheet.href();
            if(!sheetUrl.isNull())
                {
                kStyleSheet = loader->requestStyleSheet(sheetUrl, charset);
                dataItem = CWebCorePageDataItem::NewL(CWebCorePageDataItem::EStylesheet);
                CleanupStack::PushL( dataItem );
                dataItem->SetUrlL(sheetUrl.string().Des());
                dataItem->SetContentTypeL(dStylesheet.type().string().Des());
                //Charset is required for saved pages.   
                dataItem->SetCharsetL(_L("ucs-2"));
                dataItem->SetDataL(kStyleSheet->sheet().string().Des());                
                itemArray->AppendL(dataItem );
                CleanupStack::Pop( dataItem );
                }
            }
        }
    // get script documents if requested
    if(aTypeMask & CWebCorePageDataItem::EScript)
        {
        DOMString scriptStr("script");
        DOMString srcStr("src");
        //DOMString typeStr("type");
        QString charset("");
        khtml::CachedScript* kScript = NULL;
        DOM::NodeList scriptNodes = document.getElementsByTagName(scriptStr);
        for(int n=0; n<scriptNodes.length(); n++)
            {
            DOM::NamedNodeMap attribs = scriptNodes.item(n).attributes();
            DOM::Node srcAttr = attribs.getNamedItem(srcStr);
            if(!srcAttr.isNull())
                {
                DOMString scriptUrl = srcAttr.nodeValue();
                kScript = loader->requestScript(scriptUrl, charset);
                dataItem = CWebCorePageDataItem::NewL(CWebCorePageDataItem::EScript);
                CleanupStack::PushL( dataItem );
                dataItem->SetUrlL(scriptUrl.string().Des());