michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef nsMenuBarListener_h__
michael@0: #define nsMenuBarListener_h__
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsIDOMEventListener.h"
michael@0: 
michael@0: // X.h defines KeyPress
michael@0: #ifdef KeyPress
michael@0: #undef KeyPress
michael@0: #endif
michael@0: 
michael@0: class nsMenuBarFrame;
michael@0: class nsIDOMKeyEvent;
michael@0: 
michael@0: /** editor Implementation of the DragListener interface
michael@0:  */
michael@0: class nsMenuBarListener : public nsIDOMEventListener
michael@0: {
michael@0: public:
michael@0:   /** default constructor
michael@0:    */
michael@0:   nsMenuBarListener(nsMenuBarFrame* aMenuBar);
michael@0:   /** default destructor
michael@0:    */
michael@0:   virtual ~nsMenuBarListener();
michael@0: 
michael@0:   static void InitializeStatics();
michael@0:    
michael@0:   NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) MOZ_OVERRIDE;
michael@0:   
michael@0:   nsresult KeyUp(nsIDOMEvent* aMouseEvent);
michael@0:   nsresult KeyDown(nsIDOMEvent* aMouseEvent);
michael@0:   nsresult KeyPress(nsIDOMEvent* aMouseEvent);
michael@0:   nsresult Blur(nsIDOMEvent* aEvent);
michael@0:   nsresult MouseDown(nsIDOMEvent* aMouseEvent);
michael@0: 
michael@0:   static nsresult GetMenuAccessKey(int32_t* aAccessKey);
michael@0:   
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   static bool IsAccessKeyPressed(nsIDOMKeyEvent* event);
michael@0: 
michael@0: protected:
michael@0:   static void InitAccessKey();
michael@0: 
michael@0:   static uint32_t GetModifiers(nsIDOMKeyEvent* event);
michael@0: 
michael@0:   // This should only be called by the nsMenuBarListener during event dispatch,
michael@0:   // thus ensuring that this doesn't get destroyed during the process.
michael@0:   void ToggleMenuActiveState();
michael@0: 
michael@0:   nsMenuBarFrame* mMenuBarFrame; // The menu bar object.
michael@0:   // Whether or not the ALT key is currently down.
michael@0:   bool mAccessKeyDown;
michael@0:   // Whether or not the ALT key down is canceled by other action.
michael@0:   bool mAccessKeyDownCanceled;
michael@0:   static bool mAccessKeyFocuses; // Does the access key by itself focus the menubar?
michael@0:   static int32_t mAccessKey;     // See nsIDOMKeyEvent.h for sample values
michael@0:   static uint32_t mAccessKeyMask;// Modifier mask for the access key
michael@0: };
michael@0: 
michael@0: 
michael@0: #endif