/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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.org 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 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 NPL, 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 NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
#ifndef nsIHTMLDocument_h___
#define nsIHTMLDocument_h___

#include "nsISupports.h"
#include "nsIDTD.h"

class nsIImageMap;
class nsString;
class nsIDOMNodeList;
class nsIDOMHTMLCollection;
class nsIDOMHTMLFormElement;
class nsIDOMHTMLMapElement;
class nsIHTMLStyleSheet;
class nsIStyleSheet;
class nsICSSLoader;
class nsIContent;
class nsIDOMHTMLBodyElement;

/* b2a848b0-d0a9-11d1-89b1-006008911b81 */
#define NS_IHTMLDOCUMENT_IID \
{0xb2a848b0, 0xd0a9, 0x11d1, {0x89, 0xb1, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81}}


/**
 * HTML document extensions to nsIDocument.
 */
class nsIHTMLDocument : public nsISupports {
public:
  NS_DEFINE_STATIC_IID_ACCESSOR(NS_IHTMLDOCUMENT_IID)

  NS_IMETHOD AddImageMap(nsIDOMHTMLMapElement* aMap) = 0;

  NS_IMETHOD GetImageMap(const nsString& aMapName,
                         nsIDOMHTMLMapElement** aResult) = 0;

  NS_IMETHOD RemoveImageMap(nsIDOMHTMLMapElement* aMap) = 0;

  NS_IMETHOD SetLastModified(const nsAString& aLastModified) = 0;
  NS_IMETHOD SetReferrer(const nsAString& aReferrer) = 0;

  /**
   * Access DTD compatibility mode for this document
   */
  NS_IMETHOD GetDTDMode(nsDTDMode& aMode) = 0;
  NS_IMETHOD SetDTDMode(nsDTDMode aMode) = 0;

  /*
   * Returns true if document.domain was set for this document
   */
  NS_IMETHOD WasDomainSet(PRBool* aDomainWasSet) = 0;

  NS_IMETHOD ResolveName(const nsAString& aName,
                         nsIDOMHTMLFormElement *aForm,
                         nsISupports **aResult) = 0;

  NS_IMETHOD GetFormControlElements(nsIDOMNodeList** aReturn) = 0;
  /**
   * Called when form->SetDocument() is called so that document knows
   * immediately when a form is added
   */
  NS_IMETHOD AddedForm() = 0;
  /**
   * Called when form->SetDocument() is called so that document knows
   * immediately when a form is removed
   */
  NS_IMETHOD RemovedForm() = 0;
  /**
   * Called to get a better count of forms than document.forms can provide
   * without calling FlushPendingNotifications (bug 138892).
   */
  NS_IMETHOD GetNumFormsSynchronous(PRInt32* aNumForms) = 0;
  
  NS_IMETHOD GetBodyElement(nsIDOMHTMLBodyElement** aBody) = 0;

  NS_IMETHOD_(PRBool) IsWriting() = 0;

};

#endif /* nsIHTMLDocument_h___ */
