LCOV - app.info - layout/xul/base/src/nsMenuBarFrame.h

LCOV - code coverage report
| Current view: | directory - layout/xul/base/src - nsMenuBarFrame.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 19 | 0 | 0.0 %
| Date: | 2012-04-21 | Functions: | 16 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is mozilla.org code.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * Netscape Communications Corporation.
          19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *   Original Author: David W. Hyatt (hyatt@netscape.com)
          24                 :  *   Dean Tessman <dean_tessman@hotmail.com>
          25                 :  *   Dan Rosen <dr@netscape.com>
          26                 :  *
          27                 :  * Alternatively, the contents of this file may be used under the terms of
          28                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          29                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          31                 :  * of those above. If you wish to allow use of your version of this file only
          32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          33                 :  * use your version of this file under the terms of the MPL, indicate your
          34                 :  * decision by deleting the provisions above and replace them with the notice
          35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          36                 :  * the provisions above, a recipient may use your version of this file under
          37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          38                 :  *
          39                 :  * ***** END LICENSE BLOCK ***** */
          40                 :
          41                 : //
          42                 : // nsMenuBarFrame
          43                 : //
          44                 :
          45                 : #ifndef nsMenuBarFrame_h__
          46                 : #define nsMenuBarFrame_h__
          47                 :
          48                 : #include "prtypes.h"
          49                 : #include "nsIAtom.h"
          50                 : #include "nsCOMPtr.h"
          51                 : #include "nsBoxFrame.h"
          52                 : #include "nsMenuFrame.h"
          53                 : #include "nsMenuBarListener.h"
          54                 : #include "nsMenuParent.h"
          55                 :
          56                 : class nsIContent;
          57                 :
          58                 : nsIFrame* NS_NewMenuBarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
          59                 :
          60                 : class nsMenuBarFrame : public nsBoxFrame, public nsMenuParent
          61               0 : {
          62                 : public:
          63                 :   NS_DECL_QUERYFRAME_TARGET(nsMenuBarFrame)
          64                 :   NS_DECL_QUERYFRAME
          65                 :   NS_DECL_FRAMEARENA_HELPERS
          66                 :
          67                 :   nsMenuBarFrame(nsIPresShell* aShell, nsStyleContext* aContext);
          68                 :
          69                 :   // nsMenuParent interface
          70                 :   virtual nsMenuFrame* GetCurrentMenuItem();
          71                 :   NS_IMETHOD SetCurrentMenuItem(nsMenuFrame* aMenuItem);
          72                 :   virtual void CurrentMenuIsBeingDestroyed();
          73                 :   NS_IMETHOD ChangeMenuItem(nsMenuFrame* aMenuItem, bool aSelectFirstItem);
          74                 :
          75                 :   NS_IMETHOD SetActive(bool aActiveFlag);
          76                 :
          77               0 :   virtual bool IsMenuBar() { return true; }
          78               0 :   virtual bool IsContextMenu() { return false; }
          79               0 :   virtual bool IsActive() { return mIsActive; }
          80               0 :   virtual bool IsMenu() { return false; }
          81               0 :   virtual bool IsOpen() { return true; } // menubars are considered always open
          82                 :
          83               0 :   bool IsMenuOpen() { return mCurrentMenu && mCurrentMenu->IsOpen(); }
          84                 :
          85                 :   void InstallKeyboardNavigator();
          86                 :   void RemoveKeyboardNavigator();
          87                 :
          88                 :   NS_IMETHOD Init(nsIContent*      aContent,
          89                 :                   nsIFrame*        aParent,
          90                 :                   nsIFrame*        aPrevInFlow);
          91                 :
          92                 :   virtual void DestroyFrom(nsIFrame* aDestructRoot);
          93                 :
          94               0 :   virtual nsIAtom* GetType() const { return nsGkAtoms::menuBarFrame; }
          95                 :
          96               0 :   virtual void LockMenuUntilClosed(bool aLock) {}
          97               0 :   virtual bool IsMenuLocked() { return false; }
          98                 :
          99                 : // Non-interface helpers
         100                 :
         101                 :   void
         102               0 :   SetStayActive(bool aStayActive) { mStayActive = aStayActive; }
         103                 :
         104                 :   // Called when a menu on the menu bar is clicked on. Returns a menu if one
         105                 :   // needs to be closed.
         106                 :   nsMenuFrame* ToggleMenuActiveState();
         107                 :
         108               0 :   bool IsActiveByKeyboard() { return mActiveByKeyboard; }
         109               0 :   void SetActiveByKeyboard() { mActiveByKeyboard = true; }
         110                 :
         111                 :   // indicate that a menu on the menubar was closed. Returns true if the caller
         112                 :   // may deselect the menuitem.
         113                 :   virtual bool MenuClosed();
         114                 :
         115                 :   // Called when Enter is pressed while the menubar is focused. If the current
         116                 :   // menu is open, let the child handle the key.
         117                 :   nsMenuFrame* Enter(nsGUIEvent* aEvent);
         118                 :
         119                 :   // Used to handle ALT+key combos
         120                 :   nsMenuFrame* FindMenuWithShortcut(nsIDOMKeyEvent* aKeyEvent);
         121                 :
         122               0 :   virtual bool IsFrameOfType(PRUint32 aFlags) const
         123                 :   {
         124                 :     // Override bogus IsFrameOfType in nsBoxFrame.
         125               0 :     if (aFlags & (nsIFrame::eReplacedContainsBlock | nsIFrame::eReplaced))
         126               0 :       return false;
         127               0 :     return nsBoxFrame::IsFrameOfType(aFlags);
         128                 :   }
         129                 :
         130                 : #ifdef DEBUG
         131               0 :   NS_IMETHOD GetFrameName(nsAString& aResult) const
         132                 :   {
         133               0 :       return MakeFrameName(NS_LITERAL_STRING("MenuBar"), aResult);
         134                 :   }
         135                 : #endif
         136                 :
         137                 : protected:
         138                 :   nsMenuBarListener* mMenuBarListener; // The listener that tells us about key and mouse events.
         139                 :
         140                 :   // flag that is temporarily set when switching from one menu on the menubar to another
         141                 :   // to indicate that the menubar should not be deactivated.
         142                 :   bool mStayActive;
         143                 :
         144                 :   bool mIsActive; // Whether or not the menu bar is active (a menu item is highlighted or shown).
         145                 :
         146                 :   // whether the menubar was made active via the keyboard.
         147                 :   bool mActiveByKeyboard;
         148                 :
         149                 :   // The current menu that is active (highlighted), which may not be open. This will
         150                 :   // be null if no menu is active.
         151                 :   nsMenuFrame* mCurrentMenu;
         152                 :
         153                 :   nsIDOMEventTarget* mTarget;
         154                 :
         155                 : }; // class nsMenuBarFrame
         156                 :
         157                 : #endif

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