1 /*

     2 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Utility class for keyboard handling 

    15  *

    16 */

    17 

    18 

    19 // includes

    20 #include <w32std.h>

    21 #include <eikdef.h>

    22 #include <eikenv.h>

    23 #include <AknUtils.h>

    24 

    25 #include "mulkeyboardutility.h"

    26 

    27 const TUid KUidKeyBoardUtility = {0x02D811B8} ;

    28 

    29 CQwertySubscriber::CQwertySubscriber(TCallBack aCallBack, RProperty& aProperty)

    30      : CActive(EPriorityNormal), iCallBack(aCallBack), iProperty(aProperty)

    31 {

    32      CActiveScheduler::Add(this);

    33 }

    34  

    35  CQwertySubscriber::~CQwertySubscriber()

    36 {

    37      Cancel();

    38 }

    39  

    40  void CQwertySubscriber::SubscribeL()

    41 {

    42      if (!IsActive())

    43          {

    44          iProperty.Subscribe(iStatus);

    45          SetActive();

    46          }

    47 }

    48  

    49 void CQwertySubscriber::StopSubscribe()

    50 {

    51    Cancel();

    52 }

    53  

    54 void CQwertySubscriber::RunL()

    55 {

    56     if (iStatus.Int() == KErrNone)

    57     {

    58          iCallBack.CallBack();

    59          SubscribeL();

    60     }

    61 }

    62  

    63 void CQwertySubscriber::DoCancel()

    64 {

    65    iProperty.Cancel();

    66 }

    67 

    68 CKeyBoardUtility* CKeyBoardUtility:: NewL()

    69 { 

    70     CKeyBoardUtility* self = static_cast<CKeyBoardUtility*>( CCoeEnv::Static( KUidKeyBoardUtility ) ) ; 

    71     if(!self)

    72         {

    73         self = new( ELeave ) CKeyBoardUtility() ;

    74         }

    75     return self ;

    76 }

    77 

    78 

    79 CKeyBoardUtility::CKeyBoardUtility():CCoeStatic(KUidKeyBoardUtility, CCoeStatic::EThread /*or EApp*/ )

    80 {

    81 	bQwerty = EFalse;

    82     User::LeaveIfError(iQwertyModeStatusProperty.Attach(KCRUidAvkon, KAknQwertyInputModeActive));

    83     iQwertyModeStatusSubscriber = new (ELeave) CQwertySubscriber(TCallBack(QwertyModeChangeNotification, this), iQwertyModeStatusProperty);

    84     iQwertyModeStatusSubscriber->SubscribeL();

    85 }

    86 

    87 CKeyBoardUtility::~CKeyBoardUtility()

    88 {

    89 

    90     // Qwerty Notify clean-up

    91     if (iQwertyModeStatusSubscriber)

    92     {

    93        iQwertyModeStatusSubscriber->StopSubscribe();

    94     }

    95     iQwertyModeStatusProperty.Close();

    96     delete iQwertyModeStatusSubscriber;   

    97 }

    98 

    99 TInt CKeyBoardUtility::QwertyModeChangeNotification(TAny* aObj)

   100 {

   101     if (aObj != NULL)

   102     {

   103     	static_cast<CKeyBoardUtility*>(aObj)->HandleQwertyModeChangeNotification();

   104         return KErrNone;

   105     }

   106     else

   107     {

   108         return KErrArgument;

   109     }

   110 }

   111 

   112 void CKeyBoardUtility::HandleQwertyModeChangeNotification()

   113 {

   114 	     TInt value = 0;

   115 	     iQwertyModeStatusProperty.Get(value);    

   116 	     if(value > 0) 

   117 	     {

   118 	     	bQwerty = ETrue;

   119 	     }

   120 	     else

   121 	     {

   122 	     	bQwerty = EFalse;

   123 	     }

   124 }

   125 

   126 bool CKeyBoardUtility::IsQwerty()

   127 {

   128      TInt value = 0;

   129      iQwertyModeStatusProperty.Get(value);    

   130      if(value > 0) 

   131      {

   132      	bQwerty = true;

   133      }

   134      else

   135      {

   136      	bQwerty = false;

   137      }

   138 	return bQwerty;

   139 }