/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is Netscape Communications
 * Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 */
#include "nsIDOMHTMLOListElement.h"
#include "nsIDOMEventReceiver.h"
#include "nsIHTMLContent.h"
#include "nsGenericHTMLElement.h"
#include "nsHTMLAtoms.h"
#include "nsHTMLIIDs.h"
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include "nsIPresContext.h"
#include "nsIHTMLAttributes.h"
#include "nsIRuleNode.h"

class nsHTMLOListElement : public nsGenericHTMLContainerElement,
                           public nsIDOMHTMLOListElement
{
public:
  nsHTMLOListElement();
  virtual ~nsHTMLOListElement();

  // nsISupports
  NS_DECL_ISUPPORTS_INHERITED

  // nsIDOMNode
  NS_FORWARD_NSIDOMNODE_NO_CLONENODE(nsGenericHTMLContainerElement::)

  // nsIDOMElement
  NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLContainerElement::)

  // nsIDOMHTMLElement
  NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLContainerElement::)

  // nsIDOMHTMLOListElement
  NS_DECL_NSIDOMHTMLOLISTELEMENT

  NS_IMETHOD StringToAttribute(nsIAtom* aAttribute,
                               const nsAReadableString& aValue,
                               nsHTMLValue& aResult);
  NS_IMETHOD AttributeToString(nsIAtom* aAttribute,
                               const nsHTMLValue& aValue,
                               nsAWritableString& aResult) const;
  NS_IMETHOD GetAttributeMappingFunction(nsMapRuleToAttributesFunc& aMapRuleFunc) const;
  NS_IMETHOD GetMappedAttributeImpact(const nsIAtom* aAttribute,
                                      PRInt32& aHint) const;
  NS_IMETHOD SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const;
};

nsresult
NS_NewHTMLOListElement(nsIHTMLContent** aInstancePtrResult,
                       nsINodeInfo *aNodeInfo)
{
  NS_ENSURE_ARG_POINTER(aInstancePtrResult);

  nsHTMLOListElement* it = new nsHTMLOListElement();

  if (!it) {
    return NS_ERROR_OUT_OF_MEMORY;
  }

  nsresult rv = it->Init(aNodeInfo);

  if (NS_FAILED(rv)) {
    delete it;

    return rv;
  }

  *aInstancePtrResult = NS_STATIC_CAST(nsIHTMLContent *, it);
  NS_ADDREF(*aInstancePtrResult);

  return NS_OK;
}


nsHTMLOListElement::nsHTMLOListElement()
{
}

nsHTMLOListElement::~nsHTMLOListElement()
{
}


NS_IMPL_ADDREF_INHERITED(nsHTMLOListElement, nsGenericElement) 
NS_IMPL_RELEASE_INHERITED(nsHTMLOListElement, nsGenericElement) 


// XPConnect interface list for nsHTMLOListElement
NS_CLASSINFO_MAP_BEGIN(HTMLOListElement)
  NS_CLASSINFO_MAP_ENTRY(nsIDOMHTMLOListElement)
  NS_CLASSINFO_MAP_ENTRY_FUNCTION(GetGenericHTMLElementIIDs)
NS_CLASSINFO_MAP_END


// QueryInterface implementation for nsHTMLOListElement
NS_HTML_CONTENT_INTERFACE_MAP_BEGIN(nsHTMLOListElement,
                                    nsGenericHTMLContainerElement)
  NS_INTERFACE_MAP_ENTRY(nsIDOMHTMLOListElement)
  NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(HTMLOListElement)
NS_HTML_CONTENT_INTERFACE_MAP_END


nsresult
nsHTMLOListElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
{
  NS_ENSURE_ARG_POINTER(aReturn);
  *aReturn = nsnull;

  nsHTMLOListElement* it = new nsHTMLOListElement();

  if (!it) {
    return NS_ERROR_OUT_OF_MEMORY;
  }

  nsCOMPtr<nsIDOMNode> kungFuDeathGrip(it);

  nsresult rv = it->Init(mNodeInfo);

  if (NS_FAILED(rv))
    return rv;

  CopyInnerTo(this, it, aDeep);

  *aReturn = NS_STATIC_CAST(nsIDOMNode *, it);

  NS_ADDREF(*aReturn);

  return NS_OK;
}


NS_IMPL_BOOL_ATTR(nsHTMLOListElement, Compact, compact)
NS_IMPL_INT_ATTR(nsHTMLOListElement, Start, start)
NS_IMPL_STRING_ATTR(nsHTMLOListElement, Type, type)


nsGenericHTMLElement::EnumTable kListTypeTable[] = {
  { "none", NS_STYLE_LIST_STYLE_NONE },
  { "disc", NS_STYLE_LIST_STYLE_DISC },
  { "circle", NS_STYLE_LIST_STYLE_CIRCLE },
  { "round", NS_STYLE_LIST_STYLE_CIRCLE },
  { "square", NS_STYLE_LIST_STYLE_SQUARE },
  { "decimal", NS_STYLE_LIST_STYLE_DECIMAL },
  { "lower-roman", NS_STYLE_LIST_STYLE_LOWER_ROMAN },
  { "upper-roman", NS_STYLE_LIST_STYLE_UPPER_ROMAN },
  { "lower-alpha", NS_STYLE_LIST_STYLE_LOWER_ALPHA },
  { "upper-alpha", NS_STYLE_LIST_STYLE_UPPER_ALPHA },
  { 0 }
};

nsGenericHTMLElement::EnumTable kOldListTypeTable[] = {
  { "1", NS_STYLE_LIST_STYLE_OLD_DECIMAL },
  { "A", NS_STYLE_LIST_STYLE_OLD_UPPER_ALPHA },
  { "a", NS_STYLE_LIST_STYLE_OLD_LOWER_ALPHA },
  { "I", NS_STYLE_LIST_STYLE_OLD_UPPER_ROMAN },
  { "i", NS_STYLE_LIST_STYLE_OLD_LOWER_ROMAN },
  { 0 }
};

NS_IMETHODIMP
nsHTMLOListElement::StringToAttribute(nsIAtom* aAttribute,
                                      const nsAReadableString& aValue,
                                      nsHTMLValue& aResult)
{
  if (aAttribute == nsHTMLAtoms::type) {
    if (ParseEnumValue(aValue, kListTypeTable, aResult)) {
      return NS_CONTENT_ATTR_HAS_VALUE;
    }

    if (ParseCaseSensitiveEnumValue(aValue, kOldListTypeTable, aResult)) {
      return NS_CONTENT_ATTR_HAS_VALUE;
    }
  }
  else if (aAttribute == nsHTMLAtoms::start) {
    if (ParseValue(aValue, 1, aResult, eHTMLUnit_Integer)) {
      return NS_CONTENT_ATTR_HAS_VALUE;
    }
  }

  return NS_CONTENT_ATTR_NOT_THERE;
}

NS_IMETHODIMP
nsHTMLOListElement::AttributeToString(nsIAtom* aAttribute,
                                      const nsHTMLValue& aValue,
                                      nsAWritableString& aResult) const
{
  if (aAttribute == nsHTMLAtoms::type) {
    PRInt32 v = aValue.GetIntValue();
    switch (v) {
      case NS_STYLE_LIST_STYLE_OLD_DECIMAL:
      case NS_STYLE_LIST_STYLE_OLD_LOWER_ROMAN:
      case NS_STYLE_LIST_STYLE_OLD_UPPER_ROMAN:
      case NS_STYLE_LIST_STYLE_OLD_LOWER_ALPHA:
      case NS_STYLE_LIST_STYLE_OLD_UPPER_ALPHA:
        EnumValueToString(aValue, kOldListTypeTable, aResult, PR_FALSE);
        break;
      default:
        EnumValueToString(aValue, kListTypeTable, aResult);
        break;
    }

    return NS_CONTENT_ATTR_HAS_VALUE;
  }

  return nsGenericHTMLContainerElement::AttributeToString(aAttribute, aValue,
                                                          aResult);
}

static void
MapAttributesIntoRule(const nsIHTMLMappedAttributes* aAttributes, nsRuleData* aData)
{
  if (!aData || !aAttributes)
    return;

  if (aData->mListData) {
    if (aData->mListData->mType.GetUnit() == eCSSUnit_Null) {
      nsHTMLValue value;
      // type: enum
      aAttributes->GetAttribute(nsHTMLAtoms::type, value);
      if (value.GetUnit() == eHTMLUnit_Enumerated)
        aData->mListData->mType.SetIntValue(value.GetIntValue(), eCSSUnit_Enumerated);
      else if (value.GetUnit() != eHTMLUnit_Null)
        aData->mListData->mType.SetIntValue(NS_STYLE_LIST_STYLE_DECIMAL, eCSSUnit_Enumerated);
    }
  }

  nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}

NS_IMETHODIMP
nsHTMLOListElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
                                             PRInt32& aHint) const
{
  if (aAttribute == nsHTMLAtoms::type) {
    aHint = NS_STYLE_HINT_REFLOW;
  }
  else if (!GetCommonMappedAttributesImpact(aAttribute, aHint)) {
    aHint = NS_STYLE_HINT_CONTENT;
  }

  return NS_OK;
}


NS_IMETHODIMP
nsHTMLOListElement::GetAttributeMappingFunction(nsMapRuleToAttributesFunc& aMapRuleFunc) const
{
  aMapRuleFunc = &MapAttributesIntoRule;
  return NS_OK;
}

NS_IMETHODIMP
nsHTMLOListElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const
{
  *aResult = sizeof(*this) + BaseSizeOf(aSizer);

  return NS_OK;
}
