LCOV - code coverage report
Current view: directory - content/events/src - nsDOMKeyboardEvent.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 77 0 0.0 %
Date: 2012-06-02 Functions: 15 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                 :  *   Steve Clark (buster@netscape.com)
      24                 :  *   Ilya Konstantinov (mozilla-code@future.shiny.co.il)
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #include "nsDOMKeyboardEvent.h"
      41                 : #include "nsContentUtils.h"
      42                 : 
      43               0 : nsDOMKeyboardEvent::nsDOMKeyboardEvent(nsPresContext* aPresContext,
      44                 :                                        nsKeyEvent* aEvent)
      45                 :   : nsDOMUIEvent(aPresContext, aEvent ? aEvent :
      46               0 :                  new nsKeyEvent(false, 0, nsnull))
      47                 : {
      48               0 :   NS_ASSERTION(mEvent->eventStructType == NS_KEY_EVENT, "event type mismatch");
      49                 : 
      50               0 :   if (aEvent) {
      51               0 :     mEventIsInternal = false;
      52                 :   }
      53                 :   else {
      54               0 :     mEventIsInternal = true;
      55               0 :     mEvent->time = PR_Now();
      56                 :   }
      57               0 : }
      58                 : 
      59               0 : nsDOMKeyboardEvent::~nsDOMKeyboardEvent()
      60                 : {
      61               0 :   if (mEventIsInternal) {
      62               0 :     delete static_cast<nsKeyEvent*>(mEvent);
      63               0 :     mEvent = nsnull;
      64                 :   }
      65               0 : }
      66                 : 
      67               0 : NS_IMPL_ADDREF_INHERITED(nsDOMKeyboardEvent, nsDOMUIEvent)
      68               0 : NS_IMPL_RELEASE_INHERITED(nsDOMKeyboardEvent, nsDOMUIEvent)
      69                 : 
      70                 : DOMCI_DATA(KeyboardEvent, nsDOMKeyboardEvent)
      71                 : 
      72               0 : NS_INTERFACE_MAP_BEGIN(nsDOMKeyboardEvent)
      73               0 :   NS_INTERFACE_MAP_ENTRY(nsIDOMKeyEvent)
      74               0 :   NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(KeyboardEvent)
      75               0 : NS_INTERFACE_MAP_END_INHERITING(nsDOMUIEvent)
      76                 : 
      77                 : NS_IMETHODIMP
      78               0 : nsDOMKeyboardEvent::GetAltKey(bool* aIsDown)
      79                 : {
      80               0 :   NS_ENSURE_ARG_POINTER(aIsDown);
      81               0 :   *aIsDown = ((nsInputEvent*)mEvent)->isAlt;
      82               0 :   return NS_OK;
      83                 : }
      84                 : 
      85                 : NS_IMETHODIMP
      86               0 : nsDOMKeyboardEvent::GetCtrlKey(bool* aIsDown)
      87                 : {
      88               0 :   NS_ENSURE_ARG_POINTER(aIsDown);
      89               0 :   *aIsDown = ((nsInputEvent*)mEvent)->isControl;
      90               0 :   return NS_OK;
      91                 : }
      92                 : 
      93                 : NS_IMETHODIMP
      94               0 : nsDOMKeyboardEvent::GetShiftKey(bool* aIsDown)
      95                 : {
      96               0 :   NS_ENSURE_ARG_POINTER(aIsDown);
      97               0 :   *aIsDown = ((nsInputEvent*)mEvent)->isShift;
      98               0 :   return NS_OK;
      99                 : }
     100                 : 
     101                 : NS_IMETHODIMP
     102               0 : nsDOMKeyboardEvent::GetMetaKey(bool* aIsDown)
     103                 : {
     104               0 :   NS_ENSURE_ARG_POINTER(aIsDown);
     105               0 :   *aIsDown = ((nsInputEvent*)mEvent)->isMeta;
     106               0 :   return NS_OK;
     107                 : }
     108                 : 
     109                 : NS_IMETHODIMP
     110               0 : nsDOMKeyboardEvent::GetCharCode(PRUint32* aCharCode)
     111                 : {
     112               0 :   NS_ENSURE_ARG_POINTER(aCharCode);
     113                 : 
     114               0 :   switch (mEvent->message) {
     115                 :   case NS_KEY_UP:
     116                 :   case NS_KEY_DOWN:
     117               0 :     *aCharCode = 0;
     118               0 :     break;
     119                 :   case NS_KEY_PRESS:
     120               0 :     *aCharCode = ((nsKeyEvent*)mEvent)->charCode;
     121               0 :     break;
     122                 :   default:
     123               0 :     break;
     124                 :   }
     125               0 :   return NS_OK;
     126                 : }
     127                 : 
     128                 : NS_IMETHODIMP
     129               0 : nsDOMKeyboardEvent::GetKeyCode(PRUint32* aKeyCode)
     130                 : {
     131               0 :   NS_ENSURE_ARG_POINTER(aKeyCode);
     132                 : 
     133               0 :   switch (mEvent->message) {
     134                 :   case NS_KEY_UP:
     135                 :   case NS_KEY_PRESS:
     136                 :   case NS_KEY_DOWN:
     137               0 :     *aKeyCode = ((nsKeyEvent*)mEvent)->keyCode;
     138               0 :     break;
     139                 :   default:
     140               0 :     *aKeyCode = 0;
     141               0 :     break;
     142                 :   }
     143                 : 
     144               0 :   return NS_OK;
     145                 : }
     146                 : 
     147                 : /* virtual */
     148                 : nsresult
     149               0 : nsDOMKeyboardEvent::Which(PRUint32* aWhich)
     150                 : {
     151               0 :   NS_ENSURE_ARG_POINTER(aWhich);
     152                 : 
     153               0 :   switch (mEvent->message) {
     154                 :     case NS_KEY_UP:
     155                 :     case NS_KEY_DOWN:
     156               0 :       return GetKeyCode(aWhich);
     157                 :     case NS_KEY_PRESS:
     158                 :       //Special case for 4xp bug 62878.  Try to make value of which
     159                 :       //more closely mirror the values that 4.x gave for RETURN and BACKSPACE
     160                 :       {
     161               0 :         PRUint32 keyCode = ((nsKeyEvent*)mEvent)->keyCode;
     162               0 :         if (keyCode == NS_VK_RETURN || keyCode == NS_VK_BACK) {
     163               0 :           *aWhich = keyCode;
     164               0 :           return NS_OK;
     165                 :         }
     166               0 :         return GetCharCode(aWhich);
     167                 :       }
     168                 :       break;
     169                 :     default:
     170               0 :       *aWhich = 0;
     171                 :       break;
     172                 :   }
     173                 : 
     174               0 :   return NS_OK;
     175                 : }
     176                 : 
     177                 : NS_IMETHODIMP
     178               0 : nsDOMKeyboardEvent::InitKeyEvent(const nsAString& aType, bool aCanBubble, bool aCancelable,
     179                 :                                  nsIDOMWindow* aView, bool aCtrlKey, bool aAltKey,
     180                 :                                  bool aShiftKey, bool aMetaKey,
     181                 :                                  PRUint32 aKeyCode, PRUint32 aCharCode)
     182                 : {
     183               0 :   nsresult rv = nsDOMUIEvent::InitUIEvent(aType, aCanBubble, aCancelable, aView, 0);
     184               0 :   NS_ENSURE_SUCCESS(rv, rv);
     185                 : 
     186               0 :   nsKeyEvent* keyEvent = static_cast<nsKeyEvent*>(mEvent);
     187               0 :   keyEvent->isControl = aCtrlKey;
     188               0 :   keyEvent->isAlt = aAltKey;
     189               0 :   keyEvent->isShift = aShiftKey;
     190               0 :   keyEvent->isMeta = aMetaKey;
     191               0 :   keyEvent->keyCode = aKeyCode;
     192               0 :   keyEvent->charCode = aCharCode;
     193                 : 
     194               0 :   return NS_OK;
     195                 : }
     196                 : 
     197               0 : nsresult NS_NewDOMKeyboardEvent(nsIDOMEvent** aInstancePtrResult,
     198                 :                                 nsPresContext* aPresContext,
     199                 :                                 nsKeyEvent *aEvent)
     200                 : {
     201               0 :   nsDOMKeyboardEvent* it = new nsDOMKeyboardEvent(aPresContext, aEvent);
     202               0 :   return CallQueryInterface(it, aInstancePtrResult);
     203                 : }

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