kjs_html.cpp

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

@end
@begin HTMLAreaElementTable 15
  accessKey	KJS::HTMLElement::AreaAccessKey		DontDelete
  alt		KJS::HTMLElement::AreaAlt		DontDelete
  coords	KJS::HTMLElement::AreaCoords		DontDelete
  href		KJS::HTMLElement::AreaHref		DontDelete
  hash		KJS::HTMLElement::AreaHash		DontDelete|ReadOnly
  host		KJS::HTMLElement::AreaHost		DontDelete|ReadOnly
  hostname	KJS::HTMLElement::AreaHostName		DontDelete|ReadOnly
  pathname	KJS::HTMLElement::AreaPathName		DontDelete|ReadOnly
  port		KJS::HTMLElement::AreaPort		DontDelete|ReadOnly
  protocol	KJS::HTMLElement::AreaProtocol		DontDelete|ReadOnly
  search	KJS::HTMLElement::AreaSearch		DontDelete|ReadOnly
  noHref	KJS::HTMLElement::AreaNoHref		DontDelete
  shape		KJS::HTMLElement::AreaShape		DontDelete
  tabIndex	KJS::HTMLElement::AreaTabIndex		DontDelete
  target	KJS::HTMLElement::AreaTarget		DontDelete
@end
@begin HTMLScriptElementTable 7
  text		KJS::HTMLElement::ScriptText		DontDelete
  htmlFor	KJS::HTMLElement::ScriptHtmlFor		DontDelete
  event		KJS::HTMLElement::ScriptEvent		DontDelete
  charset	KJS::HTMLElement::ScriptCharset		DontDelete
  defer		KJS::HTMLElement::ScriptDefer		DontDelete
  src		KJS::HTMLElement::ScriptSrc		DontDelete
  type		KJS::HTMLElement::ScriptType		DontDelete
@end
@begin HTMLTableElementTable 23
  caption	KJS::HTMLElement::TableCaption		DontDelete
  tHead		KJS::HTMLElement::TableTHead		DontDelete
  tFoot		KJS::HTMLElement::TableTFoot		DontDelete
  rows		KJS::HTMLElement::TableRows		DontDelete|ReadOnly
  tBodies	KJS::HTMLElement::TableTBodies		DontDelete|ReadOnly
  align		KJS::HTMLElement::TableAlign		DontDelete
  bgColor	KJS::HTMLElement::TableBgColor		DontDelete
  border	KJS::HTMLElement::TableBorder		DontDelete
  cellPadding	KJS::HTMLElement::TableCellPadding	DontDelete
  cellSpacing	KJS::HTMLElement::TableCellSpacing	DontDelete
  frame		KJS::HTMLElement::TableFrame		DontDelete
  rules		KJS::HTMLElement::TableRules		DontDelete
  summary	KJS::HTMLElement::TableSummary		DontDelete
  width		KJS::HTMLElement::TableWidth		DontDelete
  createTHead	KJS::HTMLElement::TableCreateTHead	DontDelete|Function 0
  deleteTHead	KJS::HTMLElement::TableDeleteTHead	DontDelete|Function 0
  createTFoot	KJS::HTMLElement::TableCreateTFoot	DontDelete|Function 0
  deleteTFoot	KJS::HTMLElement::TableDeleteTFoot	DontDelete|Function 0
  createCaption	KJS::HTMLElement::TableCreateCaption	DontDelete|Function 0
  deleteCaption	KJS::HTMLElement::TableDeleteCaption	DontDelete|Function 0
  insertRow	KJS::HTMLElement::TableInsertRow	DontDelete|Function 1
  deleteRow	KJS::HTMLElement::TableDeleteRow	DontDelete|Function 1
@end
@begin HTMLTableCaptionElementTable 1
  align		KJS::HTMLElement::TableCaptionAlign	DontDelete
@end
@begin HTMLTableColElementTable 7
  align		KJS::HTMLElement::TableColAlign		DontDelete
  ch		KJS::HTMLElement::TableColCh		DontDelete
  chOff		KJS::HTMLElement::TableColChOff		DontDelete
  span		KJS::HTMLElement::TableColSpan		DontDelete
  vAlign	KJS::HTMLElement::TableColVAlign	DontDelete
  width		KJS::HTMLElement::TableColWidth		DontDelete
@end
@begin HTMLTableSectionElementTable 7
  align		KJS::HTMLElement::TableSectionAlign		DontDelete
  ch		KJS::HTMLElement::TableSectionCh		DontDelete
  chOff		KJS::HTMLElement::TableSectionChOff		DontDelete
  vAlign	KJS::HTMLElement::TableSectionVAlign		DontDelete
  rows		KJS::HTMLElement::TableSectionRows		DontDelete|ReadOnly
  insertRow	KJS::HTMLElement::TableSectionInsertRow		DontDelete|Function 1
  deleteRow	KJS::HTMLElement::TableSectionDeleteRow		DontDelete|Function 1
@end
@begin HTMLTableRowElementTable 11
  rowIndex	KJS::HTMLElement::TableRowRowIndex		DontDelete|ReadOnly
  sectionRowIndex KJS::HTMLElement::TableRowSectionRowIndex	DontDelete|ReadOnly
  cells		KJS::HTMLElement::TableRowCells			DontDelete|ReadOnly
  align		KJS::HTMLElement::TableRowAlign			DontDelete
  bgColor	KJS::HTMLElement::TableRowBgColor		DontDelete
  ch		KJS::HTMLElement::TableRowCh			DontDelete
  chOff		KJS::HTMLElement::TableRowChOff			DontDelete
  vAlign	KJS::HTMLElement::TableRowVAlign		DontDelete
  insertCell	KJS::HTMLElement::TableRowInsertCell		DontDelete|Function 1
  deleteCell	KJS::HTMLElement::TableRowDeleteCell		DontDelete|Function 1
@end
@begin HTMLTableCellElementTable 15
  cellIndex	KJS::HTMLElement::TableCellCellIndex		DontDelete|ReadOnly
  abbr		KJS::HTMLElement::TableCellAbbr			DontDelete
  align		KJS::HTMLElement::TableCellAlign		DontDelete
  axis		KJS::HTMLElement::TableCellAxis			DontDelete
  bgColor	KJS::HTMLElement::TableCellBgColor		DontDelete
  ch		KJS::HTMLElement::TableCellCh			DontDelete
  chOff		KJS::HTMLElement::TableCellChOff		DontDelete
  colSpan	KJS::HTMLElement::TableCellColSpan		DontDelete
  headers	KJS::HTMLElement::TableCellHeaders		DontDelete
  height	KJS::HTMLElement::TableCellHeight		DontDelete
  noWrap	KJS::HTMLElement::TableCellNoWrap		DontDelete
  rowSpan	KJS::HTMLElement::TableCellRowSpan		DontDelete
  scope		KJS::HTMLElement::TableCellScope		DontDelete
  vAlign	KJS::HTMLElement::TableCellVAlign		DontDelete
  width		KJS::HTMLElement::TableCellWidth		DontDelete
@end
@begin HTMLFrameSetElementTable 2
  cols		KJS::HTMLElement::FrameSetCols			DontDelete
  rows		KJS::HTMLElement::FrameSetRows			DontDelete
@end
@begin HTMLLayerElementTable 6
  top		  KJS::HTMLElement::LayerTop			DontDelete
  left		  KJS::HTMLElement::LayerLeft			DontDelete
  visibility	  KJS::HTMLElement::LayerVisibility		DontDelete
  bgColor	  KJS::HTMLElement::LayerBgColor		DontDelete
  document  	  KJS::HTMLElement::LayerDocument		DontDelete|ReadOnly
  clip	  	  KJS::HTMLElement::LayerClip			DontDelete|ReadOnly
  layers	  KJS::HTMLElement::LayerLayers			DontDelete|ReadOnly
@end
@begin HTMLFrameElementTable 9
  contentDocument KJS::HTMLElement::FrameContentDocument        DontDelete|ReadOnly
  contentWindow KJS::HTMLElement::FrameContentWindow        DontDelete|ReadOnly
  frameBorder     KJS::HTMLElement::FrameFrameBorder		DontDelete
  longDesc	  KJS::HTMLElement::FrameLongDesc		DontDelete
  marginHeight	  KJS::HTMLElement::FrameMarginHeight		DontDelete
  marginWidth	  KJS::HTMLElement::FrameMarginWidth		DontDelete
  name		  KJS::HTMLElement::FrameName			DontDelete
  noResize	  KJS::HTMLElement::FrameNoResize		DontDelete
  scrolling	  KJS::HTMLElement::FrameScrolling		DontDelete
  src		  KJS::HTMLElement::FrameSrc			DontDelete
  location	  KJS::HTMLElement::FrameLocation		DontDelete
@end
@begin HTMLIFrameElementTable 12
  align		  KJS::HTMLElement::IFrameAlign			DontDelete
  contentDocument KJS::HTMLElement::IFrameContentDocument       DontDelete|ReadOnly
  contentWindow KJS::HTMLElement::IFrameContentWindow        DontDelete|ReadOnly
  frameBorder	  KJS::HTMLElement::IFrameFrameBorder		DontDelete
  height	  KJS::HTMLElement::IFrameHeight		DontDelete
  longDesc	  KJS::HTMLElement::IFrameLongDesc		DontDelete
  marginHeight	  KJS::HTMLElement::IFrameMarginHeight		DontDelete
  marginWidth	  KJS::HTMLElement::IFrameMarginWidth		DontDelete
  name		  KJS::HTMLElement::IFrameName			DontDelete
  scrolling	  KJS::HTMLElement::IFrameScrolling		DontDelete
  src		  KJS::HTMLElement::IFrameSrc			DontDelete
  width		  KJS::HTMLElement::IFrameWidth			DontDelete
@end

@begin HTMLMarqueeElementTable 2
  start           KJS::HTMLElement::MarqueeStart		DontDelete|Function 0
  stop            KJS::HTMLElement::MarqueeStop                 DontDelete|Function 0
@end

*/

static KParts::LiveConnectExtension *getLiveConnectExtension(const DOM::HTMLElement & element)
{
  DOM::HTMLDocument doc = element.ownerDocument();
  KHTMLView *view = static_cast<DOM::DocumentImpl*>(doc.handle())->view();
  if (view && element.handle())
    return view->part()->liveConnectExtension(static_cast<khtml::RenderPart*>(element.handle()->renderer()));
  return 0L;
}

Value KJS::HTMLElement::tryGet(ExecState *exec, const Identifier &propertyName) const
{
  DOM::HTMLElement element = static_cast<DOM::HTMLElement>(node);
#ifdef KJS_VERBOSE
  kdDebug(6070) << "KJS::HTMLElement::tryGet " << propertyName.qstring() << " thisTag=" << element.tagName().string() << endl;
#endif
  // First look at dynamic properties
  switch (element.elementId()) {
    case ID_FORM: {
      DOM::HTMLFormElement form = element;
      // Check if we're retrieving an element (by index or by name)
      bool ok;
      uint u = propertyName.toULong(&ok);

      if (ok)
        return getDOMNode(exec,form.elements().item(u));
      KJS::HTMLCollection coll(exec, form.elements());
      Value namedItems = coll.getNamedItems(exec, propertyName);
      if (namedItems.type() != UndefinedType)
        return namedItems;
    }
      break;
    case ID_SELECT: {
      DOM::HTMLSelectElement select = element;
      bool ok;
      uint u = propertyName.toULong(&ok);
      if (ok)
        return getDOMNode(exec,select.options().item(u)); // not specified by DOM(?) but supported in netscape/IE
    }
      break;
    case ID_APPLET:
    case ID_OBJECT:
    case ID_EMBED: {
      KParts::LiveConnectExtension *lc = getLiveConnectExtension(element);
      QString rvalue;
      KParts::LiveConnectExtension::Type rtype;
      unsigned long robjid;
      if (lc && lc->get(0, propertyName.qstring(), rtype, robjid, rvalue))
        return getLiveConnectValue(lc, propertyName.qstring(), rtype, rvalue, robjid);
    }
      break;
  default:
    break;
  }

  const HashTable* table = classInfo()->propHashTable; // get the right hashtable
  const HashEntry* entry = Lookup::findEntry(table, propertyName);
  if (entry) {
    if (entry->attr & Function)
      return lookupOrCreateFunction<KJS::HTMLElementFunction>(exec, propertyName, this, entry->value, entry->params, entry->attr);
    return getValueProperty(exec, entry->value);
  }

  // Base HTMLElement stuff or parent class forward, as usual
  return DOMObjectLookupGet<KJS::HTMLElementFunction, KJS::HTMLElement, DOMElement>(exec, propertyName, &KJS::HTMLElementTable, this);
}

Value KJS::HTMLElement::getValueProperty(ExecState *exec, int token) const
{
  DOM::HTMLElement element = static_cast<DOM::HTMLElement>(node);
  switch (element.elementId()) {
  case ID_HTML: {
    DOM::HTMLHtmlElement html = element;
    if      (token == HtmlVersion)         return String(html.version());
  }
  break;
  case ID_HEAD: {
    DOM::HTMLHeadElement head = element;
    if      (token == HeadProfile)         return String(head.profile());
  }
  break;
  case ID_LINK: {
    DOM::HTMLLinkElement link = element;
    switch (token) {
    case LinkDisabled:        return Boolean(link.disabled());
    case LinkCharset:         return String(link.charset());
    case LinkHref:            return String(link.href());
    case LinkHrefLang:        return String(link.hreflang());
    case LinkMedia:           return String(link.media());
    case LinkRel:             return String(link.rel());
    case LinkRev:             return String(link.rev());
    case LinkTarget:          return String(link.target());
    case LinkType:            return String(link.type());
    case LinkSheet:           return getDOMStyleSheet(exec,static_cast<DOM::ProcessingInstruction>(node).sheet());
    }
  }
  break;
  case ID_TITLE: {
    DOM::HTMLTitleElement title = element;
    switch (token) {
    case TitleText:                 return String(title.text());
    }
  }
  break;
  case ID_META: {
    DOM::HTMLMetaElement meta = element;
    switch (token) {
    case MetaContent:         return String(meta.content());
    case MetaHttpEquiv:       return String(meta.httpEquiv());
    case MetaName:            return String(meta.name());
    case MetaScheme:          return String(meta.scheme());
    }
  }
  break;
  case ID_BASE: {
    DOM::HTMLBaseElement base = element;
    switch (token) {
    case BaseHref:            return String(base.href());
    case BaseTarget:          return String(base.target());
    }
  }
  break;
  case ID_ISINDEX: {
    DOM::HTMLIsIndexElement isindex = element;
    switch (token) {
    case IsIndexForm:            return getDOMNode(exec,isindex.form()); // type HTMLFormElement
    case IsIndexPrompt:          return String(isindex.prompt());
    }
  }
  break;
  case ID_STYLE: {
    DOM::HTMLStyleElement style = element;
    switch (token) {
    case StyleDisabled:        return Boolean(style.disabled());
    case StyleMedia:           return String(style.media());
    case StyleType:            return String(style.type());
    case StyleSheet:           return getDOMStyleSheet(exec,style.sheet());
    }
  }
  break;
  case ID_BODY: {
    DOM::HTMLBodyElement body = element;
    switch (token) {
    case BodyALink:           return String(body.aLink());
    case BodyBackground:      return String(body.background());
    case BodyBgColor:         return String(body.bgColor());
    case BodyLink:            return String(body.link());
    case BodyText:            return String(body.text());
    case BodyVLink:           return String(body.vLink());
    case BodyOnLoad: {
        DOM::DocumentImpl *doc = static_cast<DOM::DocumentImpl *>(node.ownerDocument().handle());
        if (!doc || !checkNodeSecurity(exec, node))
          return Undefined();
        DOMNode* kjsDocNode = new DOMNode(exec, doc);
        // Need to create a Value wrapper to avoid leaking the KJS::DOMNode
        Value nodeValue(kjsDocNode);
        return kjsDocNode->getListener( DOM::EventImpl::LOAD_EVENT );
    }
    default:
      // Update the document's layout before we compute these attributes.
      DOM::DocumentImpl* docimpl = node.handle()->getDocument();
      if (docimpl)
        docimpl->updateLayout();

      switch( token ) {
      case BodyScrollLeft:
        return Number(body.ownerDocument().view() ? body.ownerDocument().view()->contentsX() : 0);
      case BodyScrollTop:
        return Number(body.ownerDocument().view() ? body.ownerDocument().view()->contentsY() : 0);
      case BodyScrollHeight:   return Number(body.ownerDocument().view() ? body.ownerDocument().view()->contentsHeight() : 0);
      case BodyScrollWidth:    return Number(body.ownerDocument().view() ? body.ownerDocument().view()->contentsWidth() : 0);
      }