The Tor Browser: layout/xul/nsMenuBarListener.h@7e26c7da4463

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #ifndef nsMenuBarListener_h__

     6 #define nsMenuBarListener_h__

     8 #include "mozilla/Attributes.h"

     9 #include "nsIDOMEventListener.h"

    11 // X.h defines KeyPress

    12 #ifdef KeyPress

    13 #undef KeyPress

    14 #endif

    16 class nsMenuBarFrame;

    17 class nsIDOMKeyEvent;

    19 /** editor Implementation of the DragListener interface

    20  */

    21 class nsMenuBarListener : public nsIDOMEventListener

    22 {

    23 public:

    24   /** default constructor

    25    */

    26   nsMenuBarListener(nsMenuBarFrame* aMenuBar);

    27   /** default destructor

    28    */

    29   virtual ~nsMenuBarListener();

    31   static void InitializeStatics();

    33   NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) MOZ_OVERRIDE;

    35   nsresult KeyUp(nsIDOMEvent* aMouseEvent);

    36   nsresult KeyDown(nsIDOMEvent* aMouseEvent);

    37   nsresult KeyPress(nsIDOMEvent* aMouseEvent);

    38   nsresult Blur(nsIDOMEvent* aEvent);

    39   nsresult MouseDown(nsIDOMEvent* aMouseEvent);

    41   static nsresult GetMenuAccessKey(int32_t* aAccessKey);

    43   NS_DECL_ISUPPORTS

    45   static bool IsAccessKeyPressed(nsIDOMKeyEvent* event);

    47 protected:

    48   static void InitAccessKey();

    50   static uint32_t GetModifiers(nsIDOMKeyEvent* event);

    52   // This should only be called by the nsMenuBarListener during event dispatch,

    53   // thus ensuring that this doesn't get destroyed during the process.

    54   void ToggleMenuActiveState();

    56   nsMenuBarFrame* mMenuBarFrame; // The menu bar object.

    57   // Whether or not the ALT key is currently down.

    58   bool mAccessKeyDown;

    59   // Whether or not the ALT key down is canceled by other action.

    60   bool mAccessKeyDownCanceled;

    61   static bool mAccessKeyFocuses; // Does the access key by itself focus the menubar?

    62   static int32_t mAccessKey;     // See nsIDOMKeyEvent.h for sample values

    63   static uint32_t mAccessKeyMask;// Modifier mask for the access key

    64 };

    67 #endif

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