LCOV - code coverage report
Current view: directory - layout/xul/base/src - nsMenuBoxObject.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 75 0 0.0 %
Date: 2012-06-02 Functions: 12 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 Communicator client 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                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : #include "nsISupportsUtils.h"
      39                 : #include "nsIMenuBoxObject.h"
      40                 : #include "nsBoxObject.h"
      41                 : #include "nsIFrame.h"
      42                 : #include "nsGUIEvent.h"
      43                 : #include "nsIDOMNSEvent.h"
      44                 : #include "nsMenuBarFrame.h"
      45                 : #include "nsMenuBarListener.h"
      46                 : #include "nsMenuFrame.h"
      47                 : #include "nsMenuPopupFrame.h"
      48                 : 
      49                 : class nsMenuBoxObject : public nsIMenuBoxObject,
      50                 :                         public nsBoxObject
      51                 : {
      52                 : public:
      53                 :   NS_DECL_ISUPPORTS_INHERITED
      54                 :   NS_DECL_NSIMENUBOXOBJECT
      55                 : 
      56                 :   nsMenuBoxObject();
      57                 :   virtual ~nsMenuBoxObject();
      58                 : };
      59                 : 
      60               0 : nsMenuBoxObject::nsMenuBoxObject()
      61                 : {
      62               0 : }
      63                 : 
      64               0 : nsMenuBoxObject::~nsMenuBoxObject()
      65                 : {
      66               0 : }
      67                 : 
      68               0 : NS_IMPL_ISUPPORTS_INHERITED1(nsMenuBoxObject, nsBoxObject, nsIMenuBoxObject)
      69                 : 
      70                 : /* void openMenu (in boolean openFlag); */
      71               0 : NS_IMETHODIMP nsMenuBoxObject::OpenMenu(bool aOpenFlag)
      72                 : {
      73               0 :   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
      74               0 :   if (pm) {
      75               0 :     nsIFrame* frame = GetFrame(false);
      76               0 :     if (frame) {
      77               0 :       if (aOpenFlag) {
      78               0 :         nsCOMPtr<nsIContent> content = mContent;
      79               0 :         pm->ShowMenu(content, false, false);
      80                 :       }
      81                 :       else {
      82               0 :         if (frame->GetType() == nsGkAtoms::menuFrame) {
      83               0 :           nsMenuPopupFrame* popupFrame = (static_cast<nsMenuFrame *>(frame))->GetPopup();
      84               0 :           if (popupFrame)
      85               0 :             pm->HidePopup(popupFrame->GetContent(), false, true, false);
      86                 :         }
      87                 :       }
      88                 :     }
      89                 :   }
      90                 : 
      91               0 :   return NS_OK;
      92                 : }
      93                 : 
      94               0 : NS_IMETHODIMP nsMenuBoxObject::GetActiveChild(nsIDOMElement** aResult)
      95                 : {
      96               0 :   *aResult = nsnull;
      97               0 :   nsIFrame* frame = GetFrame(false);
      98               0 :   if (frame && frame->GetType() == nsGkAtoms::menuFrame)
      99               0 :     return static_cast<nsMenuFrame *>(frame)->GetActiveChild(aResult);
     100               0 :   return NS_OK;
     101                 : }
     102                 : 
     103               0 : NS_IMETHODIMP nsMenuBoxObject::SetActiveChild(nsIDOMElement* aResult)
     104                 : {
     105               0 :   nsIFrame* frame = GetFrame(false);
     106               0 :   if (frame && frame->GetType() == nsGkAtoms::menuFrame)
     107               0 :     return static_cast<nsMenuFrame *>(frame)->SetActiveChild(aResult);
     108               0 :   return NS_OK;
     109                 : }
     110                 : 
     111                 : /* boolean handleKeyPress (in nsIDOMKeyEvent keyEvent); */
     112               0 : NS_IMETHODIMP nsMenuBoxObject::HandleKeyPress(nsIDOMKeyEvent* aKeyEvent, bool* aHandledFlag)
     113                 : {
     114               0 :   *aHandledFlag = false;
     115               0 :   NS_ENSURE_ARG(aKeyEvent);
     116                 : 
     117               0 :   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
     118               0 :   if (!pm)
     119               0 :     return NS_OK;
     120                 : 
     121                 :   // if event has already been handled, bail
     122               0 :   nsCOMPtr<nsIDOMNSEvent> domNSEvent = do_QueryInterface(aKeyEvent);
     123               0 :   if (!domNSEvent)
     124               0 :     return NS_OK;
     125                 : 
     126               0 :   bool eventHandled = false;
     127               0 :   domNSEvent->GetPreventDefault(&eventHandled);
     128               0 :   if (eventHandled)
     129               0 :     return NS_OK;
     130                 : 
     131               0 :   if (nsMenuBarListener::IsAccessKeyPressed(aKeyEvent))
     132               0 :     return NS_OK;
     133                 : 
     134               0 :   nsIFrame* frame = GetFrame(false);
     135               0 :   if (!frame || frame->GetType() != nsGkAtoms::menuFrame)
     136               0 :     return NS_OK;
     137                 : 
     138               0 :   nsMenuPopupFrame* popupFrame = static_cast<nsMenuFrame *>(frame)->GetPopup();
     139               0 :   if (!popupFrame)
     140               0 :     return NS_OK;
     141                 : 
     142                 :   PRUint32 keyCode;
     143               0 :   aKeyEvent->GetKeyCode(&keyCode);
     144               0 :   switch (keyCode) {
     145                 :     case NS_VK_UP:
     146                 :     case NS_VK_DOWN:
     147                 :     case NS_VK_HOME:
     148                 :     case NS_VK_END:
     149                 :     {
     150                 :       nsNavigationDirection theDirection;
     151               0 :       theDirection = NS_DIRECTION_FROM_KEY_CODE(popupFrame, keyCode);
     152                 :       *aHandledFlag =
     153               0 :         pm->HandleKeyboardNavigationInPopup(popupFrame, theDirection);
     154               0 :       return NS_OK;
     155                 :     }
     156                 :     default:
     157               0 :       *aHandledFlag = pm->HandleShortcutNavigation(aKeyEvent, popupFrame);
     158               0 :       return NS_OK;
     159                 :   }
     160                 : }
     161                 : 
     162                 : NS_IMETHODIMP
     163               0 : nsMenuBoxObject::GetOpenedWithKey(bool* aOpenedWithKey)
     164                 : {
     165               0 :   *aOpenedWithKey = false;
     166                 : 
     167               0 :   nsIFrame* frame = GetFrame(false);
     168               0 :   if (!frame || frame->GetType() != nsGkAtoms::menuFrame)
     169               0 :     return NS_OK;
     170                 : 
     171               0 :   frame = frame->GetParent();
     172               0 :   while (frame) {
     173               0 :     if (frame->GetType() == nsGkAtoms::menuBarFrame) {
     174               0 :       *aOpenedWithKey = (static_cast<nsMenuBarFrame *>(frame))->IsActiveByKeyboard();
     175               0 :       return NS_OK;
     176                 :     }
     177               0 :     frame = frame->GetParent();
     178                 :   }
     179                 : 
     180               0 :   return NS_OK;
     181                 : }
     182                 : 
     183                 : 
     184                 : // Creation Routine ///////////////////////////////////////////////////////////////////////
     185                 : 
     186                 : nsresult
     187               0 : NS_NewMenuBoxObject(nsIBoxObject** aResult)
     188                 : {
     189               0 :   *aResult = new nsMenuBoxObject;
     190               0 :   if (!*aResult)
     191               0 :     return NS_ERROR_OUT_OF_MEMORY;
     192               0 :   NS_ADDREF(*aResult);
     193               0 :   return NS_OK;
     194                 : }
     195                 : 

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