C++ HTMLDocument::addDocExtraNamedItem方法代码示例

void HTMLAppletElement::parseMappedAttribute(MappedAttribute *attr)
{
    if (attr->name() == altAttr ||
        attr->name() == archiveAttr ||
        attr->name() == codeAttr ||
        attr->name() == codebaseAttr ||
        attr->name() == mayscriptAttr ||
        attr->name() == objectAttr) {
        // Do nothing.
    } else if (attr->name() == nameAttr) {
        String newNameAttr = attr->value();
        if (inDocument() && document()->isHTMLDocument()) {
            HTMLDocument *doc = static_cast<HTMLDocument *>(document());
            doc->removeNamedItem(oldNameAttr);
            doc->addNamedItem(newNameAttr);
        }
        oldNameAttr = newNameAttr;
    } else if (attr->name() == idAttr) {
        String newIdAttr = attr->value();
        if (inDocument() && document()->isHTMLDocument()) {
            HTMLDocument *doc = static_cast<HTMLDocument *>(document());
            doc->removeDocExtraNamedItem(oldIdAttr);
            doc->addDocExtraNamedItem(newIdAttr);
        }
        oldIdAttr = newIdAttr;
        // also call superclass
        HTMLPlugInElement::parseMappedAttribute(attr);
    } else
        HTMLPlugInElement::parseMappedAttribute(attr);
}

void HTMLObjectElement::updateDocNamedItem()
{
    // The rule is "<object> elements with no children other than
    // <param> elements, unknown elements and whitespace can be
    // found by name in a document, and other <object> elements cannot."
    bool wasNamedItem = m_docNamedItem;
    bool isNamedItem = true;
    Node* child = firstChild();
    while (child && isNamedItem) {
        if (child->isElementNode()) {
            Element* element = static_cast<Element*>(child);
            if (HTMLElement::isRecognizedTagName(element->tagQName()) && !element->hasTagName(paramTag))
                isNamedItem = false;
        } else if (child->isTextNode()) {
            if (!static_cast<Text*>(child)->containsOnlyWhitespace())
                isNamedItem = false;
        } else
            isNamedItem = false;
        child = child->nextSibling();
    }
    if (isNamedItem != wasNamedItem && document()->isHTMLDocument()) {
        HTMLDocument* doc = static_cast<HTMLDocument*>(document());
        if (isNamedItem) {
            doc->addNamedItem(oldNameAttr);
            doc->addDocExtraNamedItem(oldIdAttr);
        } else {
            doc->removeNamedItem(oldNameAttr);
            doc->removeDocExtraNamedItem(oldIdAttr);
        }
    }
    m_docNamedItem = isNamedItem;
}

void HTMLAppletElement::insertedIntoDocument()
{
    if (document()->isHTMLDocument()) {
        HTMLDocument *doc = static_cast<HTMLDocument *>(document());
        doc->addNamedItem(oldNameAttr);
        doc->addDocExtraNamedItem(oldIdAttr);
    }

    HTMLPlugInElement::insertedIntoDocument();
}

void HTMLObjectElement::parseMappedAttribute(MappedAttribute *attr)
{
    String val = attr->value();
    int pos;
    if (attr->name() == typeAttr) {
        m_serviceType = val.lower();
        pos = m_serviceType.find(";");
        if (pos != -1)
          m_serviceType = m_serviceType.left(pos);
        if (renderer())
          m_needWidgetUpdate = true;
        if (!isImageType() && m_imageLoader) {
          delete m_imageLoader;
          m_imageLoader = 0;
        }
    } else if (attr->name() == dataAttr) {
        m_url = parseURL(val);
        if (renderer())
          m_needWidgetUpdate = true;
        if (renderer() && isImageType()) {
          if (!m_imageLoader)
              m_imageLoader = new HTMLImageLoader(this);
          m_imageLoader->updateFromElement();
        }
    } else if (attr->name() == classidAttr) {
        m_classId = val;
        if (renderer())
          m_needWidgetUpdate = true;
    } else if (attr->name() == onloadAttr) {
        setHTMLEventListener(loadEvent, attr);
    } else if (attr->name() == onunloadAttr) {
        setHTMLEventListener(unloadEvent, attr);
    } else if (attr->name() == nameAttr) {
            String newNameAttr = attr->value();
            if (isDocNamedItem() && inDocument() && document()->isHTMLDocument()) {
                HTMLDocument *doc = static_cast<HTMLDocument *>(document());
                doc->removeNamedItem(oldNameAttr);
                doc->addNamedItem(newNameAttr);
            }
            oldNameAttr = newNameAttr;
    } else if (attr->name() == idAttr) {
        String newIdAttr = attr->value();
        if (isDocNamedItem() && inDocument() && document()->isHTMLDocument()) {
            HTMLDocument* doc = static_cast<HTMLDocument*>(document());
            doc->removeDocExtraNamedItem(oldIdAttr);
            doc->addDocExtraNamedItem(newIdAttr);
        }
        oldIdAttr = newIdAttr;
        // also call superclass
        HTMLPlugInElement::parseMappedAttribute(attr);
    } else
        HTMLPlugInElement::parseMappedAttribute(attr);
}

void HTMLIFrameElement::parseMappedAttribute(MappedAttribute *attr)
{
    if (attr->name() == widthAttr)
        addCSSLength(attr, CSS_PROP_WIDTH, attr->value());
    else if (attr->name() == heightAttr)
        addCSSLength(attr, CSS_PROP_HEIGHT, attr->value());
    else if (attr->name() == alignAttr)
        addHTMLAlignment(attr);
    else if (attr->name() == nameAttr) {
        String newNameAttr = attr->value();
        if (inDocument() && document()->isHTMLDocument()) {
            HTMLDocument *doc = static_cast<HTMLDocument *>(document());
            doc->removeDocExtraNamedItem(oldNameAttr);
            doc->addDocExtraNamedItem(newNameAttr);
        }
        oldNameAttr = newNameAttr;
    } else
        HTMLFrameElement::parseMappedAttribute(attr);
}

void HTMLIFrameElement::insertedIntoDocument()
{
    if (document()->isHTMLDocument()) {
        HTMLDocument *doc = static_cast<HTMLDocument *>(document());
        doc->addDocExtraNamedItem(oldNameAttr);
    }

    HTMLElement::insertedIntoDocument();
    
    // Load the frame
    m_name = getAttribute(nameAttr);
    if (m_name.isNull())
        m_name = getAttribute(idAttr);
    
    if (Frame* parentFrame = document()->frame()) {
        m_name = parentFrame->tree()->uniqueChildName(m_name);
        
        openURL();
    }    
}

void HTMLImageElement::parseMappedAttribute(MappedAttribute* attr)
{
    const QualifiedName& attrName = attr->name();
    if (attrName == altAttr) {
        if (renderer() && renderer()->isImage())
            static_cast<RenderImage*>(renderer())->updateAltText();
    } else if (attrName == srcAttr)
        m_imageLoader.updateFromElement();
    else if (attrName == widthAttr)
        addCSSLength(attr, CSS_PROP_WIDTH, attr->value());
    else if (attrName == heightAttr)
        addCSSLength(attr, CSS_PROP_HEIGHT, attr->value());
    else if (attrName == borderAttr) {
        // border="noborder" -> border="0"
        if(attr->value().toInt()) {
            addCSSLength(attr, CSS_PROP_BORDER_WIDTH, attr->value());
            addCSSProperty(attr, CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_SOLID);
            addCSSProperty(attr, CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_SOLID);
            addCSSProperty(attr, CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_SOLID);
            addCSSProperty(attr, CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_SOLID);
        }
    } else if (attrName == vspaceAttr) {
        addCSSLength(attr, CSS_PROP_MARGIN_TOP, attr->value());
        addCSSLength(attr, CSS_PROP_MARGIN_BOTTOM, attr->value());
    } else if (attrName == hspaceAttr) {
        addCSSLength(attr, CSS_PROP_MARGIN_LEFT, attr->value());
        addCSSLength(attr, CSS_PROP_MARGIN_RIGHT, attr->value());
    } else if (attrName == alignAttr)
        addHTMLAlignment(attr);
    else if (attrName == valignAttr)
        addCSSProperty(attr, CSS_PROP_VERTICAL_ALIGN, attr->value());
    else if (attrName == usemapAttr) {
        if (attr->value().domString()[0] == '#')
            usemap = attr->value();
        else
            usemap = document()->completeURL(parseURL(attr->value()));
        m_isLink = !attr->isNull();
    } else if (attrName == ismapAttr)
        ismap = true;
    else if (attrName == onabortAttr)
        setHTMLEventListener(abortEvent, attr);
    else if (attrName == onloadAttr)
        setHTMLEventListener(loadEvent, attr);
    else if (attrName == compositeAttr) {
        if (!parseCompositeOperator(attr->value(), m_compositeOperator))
            m_compositeOperator = CompositeSourceOver;
    } else if (attrName == nameAttr) {
        String newNameAttr = attr->value();
        if (inDocument() && document()->isHTMLDocument()) {
            HTMLDocument* doc = static_cast<HTMLDocument*>(document());
            doc->removeNamedItem(oldNameAttr);
            doc->addNamedItem(newNameAttr);
        }
        oldNameAttr = newNameAttr;
    } else if (attr->name() == idAttr) {
        String newIdAttr = attr->value();
        if (inDocument() && document()->isHTMLDocument()) {
            HTMLDocument *doc = static_cast<HTMLDocument *>(document());
            doc->removeDocExtraNamedItem(oldIdAttr);
            doc->addDocExtraNamedItem(newIdAttr);
        }
        oldIdAttr = newIdAttr;
        // also call superclass
        HTMLElement::parseMappedAttribute(attr);
    } else
        HTMLElement::parseMappedAttribute(attr);
}