/* -*- 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 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):
 *   Dean Tessman <dean_tessman@hotmail.com>
 *
 * 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 nsIMenuParent_h___
#define nsIMenuParent_h___


// {D407BF61-3EFA-11d3-97FA-00400553EEF0}
#define NS_IMENUPARENT_IID \
{ 0xd407bf61, 0x3efa, 0x11d3, { 0x97, 0xfa, 0x0, 0x40, 0x5, 0x53, 0xee, 0xf0 } }

class nsIMenuFrame;

class nsIMenuParent : public nsISupports {

public:
  static const nsIID& GetIID() { static nsIID iid = NS_IMENUPARENT_IID; return iid; }

  NS_IMETHOD GetCurrentMenuItem(nsIMenuFrame** aMenuItem) = 0;
  NS_IMETHOD SetCurrentMenuItem(nsIMenuFrame* aMenuItem) = 0;
  NS_IMETHOD GetNextMenuItem(nsIMenuFrame* aStart, nsIMenuFrame** aResult) = 0;
  NS_IMETHOD GetPreviousMenuItem(nsIMenuFrame* aStart, nsIMenuFrame** aResult) = 0;

  NS_IMETHOD SetActive(PRBool aActiveFlag) = 0;
  NS_IMETHOD GetIsActive(PRBool& isActive) = 0;
  NS_IMETHOD GetWidget(nsIWidget **aWidget) = 0;
  
  NS_IMETHOD IsMenuBar(PRBool& isMenuBar) = 0;

  NS_IMETHOD DismissChain() = 0;
  NS_IMETHOD HideChain() = 0;
  NS_IMETHOD KillPendingTimers() = 0;

  NS_IMETHOD CreateDismissalListener() = 0;

  NS_IMETHOD InstallKeyboardNavigator() = 0;
  NS_IMETHOD RemoveKeyboardNavigator() = 0;

  // Used to move up, down, left, and right in menus.
  NS_IMETHOD KeyboardNavigation(PRUint32 aDirection, PRBool& aHandledFlag) = 0;
  NS_IMETHOD ShortcutNavigation(PRUint32 aLetter, PRBool& aHandledFlag) = 0;
  // Called when the ESC key is held down to close levels of menus.
  NS_IMETHOD Escape(PRBool& aHandledFlag) = 0;
  // Called to execute a menu item.
  NS_IMETHOD Enter() = 0;

  NS_IMETHOD SetIsContextMenu(PRBool aIsContextMenu) = 0;
  NS_IMETHOD GetIsContextMenu(PRBool& aIsContextMenu) = 0;
  
};

#endif