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lightning-sunbird  0.9+nobinonly
nsMenuBarListener.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Original Author: David W. Hyatt (hyatt@netscape.com)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 #ifndef nsMenuBarListener_h__
00039 #define nsMenuBarListener_h__
00040 
00041 #include "nsIDOMMouseMotionListener.h"
00042 #include "nsIDOMMouseListener.h"
00043 #include "nsIDOMKeyListener.h"
00044 #include "nsIDOMFocusListener.h"
00045 #include "nsIDOMEventReceiver.h"
00046 
00047 class nsMenuBarFrame;
00048 class nsPresContext;
00049 class nsIDOMKeyEvent;
00050 
00053 class nsMenuBarListener : public nsIDOMKeyListener, public nsIDOMFocusListener, public nsIDOMMouseListener
00054 {
00055 public:
00058   nsMenuBarListener(nsMenuBarFrame* aMenuBar);
00061   virtual ~nsMenuBarListener();
00062    
00063   NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
00064   
00065   NS_IMETHOD KeyUp(nsIDOMEvent* aMouseEvent);
00066   NS_IMETHOD KeyDown(nsIDOMEvent* aMouseEvent);
00067   NS_IMETHOD KeyPress(nsIDOMEvent* aMouseEvent);
00068   
00069   NS_IMETHOD Focus(nsIDOMEvent* aEvent);
00070   NS_IMETHOD Blur(nsIDOMEvent* aEvent);
00071   
00072   NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent);
00073   NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent);
00074   NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent);
00075   NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent);
00076   NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent);
00077   NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent);
00078 
00079   static nsresult GetMenuAccessKey(PRInt32* aAccessKey);
00080   
00081   NS_DECL_ISUPPORTS
00082 
00083   static PRBool IsAccessKeyPressed(nsIDOMKeyEvent* event);
00084 
00085 protected:
00086   static void InitAccessKey();
00087 
00088   static PRUint32 GetModifiers(nsIDOMKeyEvent* event);
00089 
00090   nsMenuBarFrame* mMenuBarFrame; // The menu bar object.
00091   PRBool mAccessKeyDown;         // Whether or not the ALT key is currently down.
00092   static PRBool mAccessKeyFocuses; // Does the access key by itself focus the menubar?
00093   static PRInt32 mAccessKey;     // See nsIDOMKeyEvent.h for sample values
00094   static PRUint32 mAccessKeyMask;// Modifier mask for the access key
00095 };
00096 
00097 
00098 #endif