nsHTMLParagraphElement.cpp

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#include "nsIDOMHTMLParagraphElement.h"
#include "nsIDOMEventReceiver.h"
#include "nsGenericHTMLElement.h"
#include "nsHTMLAtoms.h"
#include "nsStyleConsts.h"
#include "nsPresContext.h"
#include "nsMappedAttributes.h"
#include "nsRuleData.h"

// XXX missing nav attributes


class nsHTMLParagraphElement : public nsGenericHTMLElement,
                               public nsIDOMHTMLParagraphElement
{
public:
  nsHTMLParagraphElement(nsINodeInfo *aNodeInfo);
  virtual ~nsHTMLParagraphElement();

  // nsISupports
  NS_DECL_ISUPPORTS_INHERITED

  // nsIDOMNode
  NS_FORWARD_NSIDOMNODE_NO_CLONENODE(nsGenericHTMLElement::)

  // nsIDOMElement
  NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)

  // nsIDOMHTMLElement
  NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)

  // nsIDOMHTMLParagraphElement
  NS_DECL_NSIDOMHTMLPARAGRAPHELEMENT

  virtual PRBool ParseAttribute(nsIAtom* aAttribute,
                                const nsAString& aValue,
                                nsAttrValue& aResult);
  NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const;
  virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
};


NS_IMPL_NS_NEW_HTML_ELEMENT(Paragraph)


nsHTMLParagraphElement::nsHTMLParagraphElement(nsINodeInfo *aNodeInfo)
  : nsGenericHTMLElement(aNodeInfo)
{
}

nsHTMLParagraphElement::~nsHTMLParagraphElement()
{
}


NS_IMPL_ADDREF_INHERITED(nsHTMLParagraphElement, nsGenericElement)
NS_IMPL_RELEASE_INHERITED(nsHTMLParagraphElement, nsGenericElement)


// QueryInterface implementation for nsHTMLParagraphElement
NS_HTML_CONTENT_INTERFACE_MAP_BEGIN(nsHTMLParagraphElement,
                                    nsGenericHTMLElement)
  NS_INTERFACE_MAP_ENTRY(nsIDOMHTMLParagraphElement)
  NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(HTMLParagraphElement)
NS_HTML_CONTENT_INTERFACE_MAP_END


NS_IMPL_DOM_CLONENODE(nsHTMLParagraphElement)


NS_IMPL_STRING_ATTR(nsHTMLParagraphElement, Align, align)


PRBool
nsHTMLParagraphElement::ParseAttribute(nsIAtom* aAttribute,
                                       const nsAString& aValue,
                                       nsAttrValue& aResult)
{
  if (aAttribute == nsHTMLAtoms::align) {
    return ParseDivAlignValue(aValue, aResult);
  }

  return nsGenericHTMLElement::ParseAttribute(aAttribute, aValue, aResult);
}

static void
MapAttributesIntoRule(const nsMappedAttributes* aAttributes, nsRuleData* aData)
{
  nsGenericHTMLElement::MapDivAlignAttributeInto(aAttributes, aData);
  nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}

NS_IMETHODIMP_(PRBool)
nsHTMLParagraphElement::IsAttributeMapped(const nsIAtom* aAttribute) const
{
  static const MappedAttributeEntry* const map[] = {
    sDivAlignAttributeMap,
    sCommonAttributeMap,
  };

  return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
}


nsMapRuleToAttributesFunc
nsHTMLParagraphElement::GetAttributeMappingFunction() const
{
  return &MapAttributesIntoRule;
}