/* -*- Mode: IDL; 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.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Vidur Apparao <vidur@netscape.com> (original author)
 *   Johnny Stenback <jst@netscape.com>
 *
 * 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 "nsIDOMDocument.idl"

/**
 * The nsIDOMHTMLDocument interface is the interface to a [X]HTML
 * document object.
 *
 * @see <http://www.whatwg.org/html/>
 */
interface nsISelection;

[scriptable, uuid(3ab3e856-361d-435a-8a4d-b462799945cd)]
interface nsIDOMHTMLDocument : nsIDOMDocument
{
  readonly attribute DOMString            URL;
           attribute DOMString            domain;
           attribute DOMString            cookie;
  // returns "BackCompat" if we're in quirks mode,
  // or "CSS1Compat" if we're in strict mode
  readonly attribute DOMString            compatMode;

  readonly attribute nsIDOMHTMLHeadElement head;
           attribute nsIDOMHTMLElement    body;

  readonly attribute nsIDOMHTMLCollection images;
  readonly attribute nsIDOMHTMLCollection embeds;
  // mapped to attribute embeds for NS4 compat
  readonly attribute nsIDOMHTMLCollection plugins;
  readonly attribute nsIDOMHTMLCollection links;
  readonly attribute nsIDOMHTMLCollection forms;
  nsIDOMNodeList            getElementsByName(in DOMString elementName);

  // If aContentType is not something supported by nsHTMLDocument and
  // the HTML content sink, trying to write to the document will
  // probably throw.
  // Pass aReplace = true to trigger a replacement of the previous
  // document in session history; pass false for normal history handling.
  [implicit_jscontext, optional_argc]
  nsISupports               open([optional] in DOMString aContentTypeOrUrl,
                                 [optional] in DOMString aReplaceOrName,
                                 [optional] in DOMString aFeatures);
  void                      close();

  [implicit_jscontext]
  void                      write([optional, Null(Stringify)] in DOMString text);
  [implicit_jscontext]
  void                      writeln([optional, Null(Stringify)] in DOMString text);

  /**
   * Midas additions
   */
  attribute DOMString       designMode;

  boolean                   execCommand(in DOMString commandID,
                                        in boolean doShowUI,
                                        in DOMString value);

  // returns true if the help is being shown for command (false if not)
  boolean                   execCommandShowHelp(in DOMString commandID);

  // returns true if the command is enabled (false otherwise)
  boolean                   queryCommandEnabled(in DOMString commandID);
  
  // returns true if the command is in a indeterminate state (false otherwise)
  boolean                   queryCommandIndeterm(in DOMString commandID);

  // returns true if the command has been executed (false otherwise)
  boolean                   queryCommandState(in DOMString commandID);

  // returns true if the command is supported on the current range
  boolean                   queryCommandSupported(in DOMString commandID);

  //
  DOMString                 queryCommandText(in DOMString commandID);

  // returns the current value of the document or current selection for command
  DOMString                 queryCommandValue(in DOMString commandID);


  // Obsolete APIs
           attribute DOMString            fgColor;
           attribute DOMString            bgColor;
           attribute DOMString            linkColor;
           attribute DOMString            vlinkColor;
           attribute DOMString            alinkColor;

  readonly attribute nsIDOMHTMLCollection anchors;
  readonly attribute nsIDOMHTMLCollection applets;

  void                      clear();


  // DOM Range
  nsISelection                getSelection();


  // Mozilla extensions
  /**
   * @deprecated These are old Netscape 4 methods. Do not use,
   *             the implementation is no-op.
   */
  void                      captureEvents(in long eventFlags);
  void                      releaseEvents(in long eventFlags);
  void                      routeEvent(in nsIDOMEvent evt);
};
