/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla 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/MPL/
 *
 * 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 the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
#include "nsIDOMHTMLTableElement.h"
#include "nsGenericHTMLElement.h"
#include "nsMappedAttributes.h"

#define TABLE_ATTRS_DIRTY ((nsMappedAttributes*)0x1)


class TableRowsCollection;

class nsHTMLTableElement :  public nsGenericHTMLElement,
                            public nsIDOMHTMLTableElement
{
public:
  nsHTMLTableElement(already_AddRefed<nsINodeInfo> aNodeInfo);
  virtual ~nsHTMLTableElement();

  // nsISupports
  NS_DECL_ISUPPORTS_INHERITED

  // nsIDOMNode
  NS_FORWARD_NSIDOMNODE(nsGenericHTMLElement::)

  // nsIDOMElement
  NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)

  // nsIDOMHTMLElement
  NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)

  // nsIDOMHTMLTableElement
  NS_DECL_NSIDOMHTMLTABLEELEMENT

  virtual bool ParseAttribute(PRInt32 aNamespaceID,
                                nsIAtom* aAttribute,
                                const nsAString& aValue,
                                nsAttrValue& aResult);
  virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
  NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const;

  virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;

  virtual nsXPCClassInfo* GetClassInfo();
  virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
                              nsIContent* aBindingParent,
                              bool aCompileEventHandlers);
  virtual void UnbindFromTree(bool aDeep = true,
                              bool aNullParent = true);
  /**
   * Called when an attribute is about to be changed
   */
  virtual nsresult BeforeSetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
                                 const nsAString* aValue, bool aNotify);
  /**
   * Called when an attribute has just been changed
   */
  virtual nsresult AfterSetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
                                const nsAString* aValue, bool aNotify);

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED_NO_UNLINK(nsHTMLTableElement,
                                                     nsGenericHTMLElement)
  nsMappedAttributes* GetAttributesMappedForCell();
  already_AddRefed<nsIDOMHTMLTableSectionElement> GetTHead() {
    return GetSection(nsGkAtoms::thead);
  }
  already_AddRefed<nsIDOMHTMLTableSectionElement> GetTFoot() {
    return GetSection(nsGkAtoms::tfoot);
  }
  nsContentList* TBodies();
protected:
  already_AddRefed<nsIDOMHTMLTableSectionElement> GetSection(nsIAtom *aTag);

  nsRefPtr<nsContentList> mTBodies;
  nsRefPtr<TableRowsCollection> mRows;
  // Sentinel value of TABLE_ATTRS_DIRTY indicates that this is dirty and needs
  // to be recalculated.
  nsMappedAttributes *mTableInheritedAttributes;
  void BuildInheritedAttributes();
  void ReleaseInheritedAttributes() {
    if (mTableInheritedAttributes &&
        mTableInheritedAttributes != TABLE_ATTRS_DIRTY)
      NS_RELEASE(mTableInheritedAttributes);
      mTableInheritedAttributes = TABLE_ATTRS_DIRTY;
  }
};

