1 /*

     2 * Copyright (c) 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:  Key Lock Settings Handler.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_EVTKEYLOCKHANDLER_H

    20 #define C_EVTKEYLOCKHANDLER_H

    21 

    22 // System Includes

    23 #include <e32base.h>

    24 #include <aknkeylock.h> 

    25     

    26 /**

    27  *  Interface class to maintain Key Lock Settings.

    28  *

    29  *  @lib 

    30  *  @since S60 v9.1

    31  */

    32 NONSHARABLE_CLASS( CEvtKeyLockHandler ): public CBase

    33 {

    34 public:

    35     /**

    36      * Constructs a new instance of Key Lock Handler.

    37      *

    38      * @return The new instance of Key Lock Handler object.

    39      * @leave System wide error code if the object creation fails.         

    40      */

    41     IMPORT_C static CEvtKeyLockHandler* NewL( );

    42     

    43     /**

    44      * Constructs a new instance of Key Lock Handler.

    45      * Leaves the created instance on the cleanup stack.

    46      *

    47      * @return The new instance of Key Lock Handler object.

    48      * @leave System wide error code if the object creation fails.         

    49      */

    50     IMPORT_C static CEvtKeyLockHandler* NewLC( );  

    51 

    52     /**

    53     * Destructor.

    54     */

    55     IMPORT_C virtual ~CEvtKeyLockHandler();

    56 

    57 public:  // Public Functions	

    58 

    59         /**

    60         * Maintains the Current State of Key Lock - Lock or Unlock.

    61         */

    62         IMPORT_C void MaintainState( );

    63 

    64         /**

    65         * Set the Flag to Enable or Diable the Key Lock.

    66         * @param TBool Flag to Enable/Diable the Key Lock.

    67         */

    68         IMPORT_C void EnableKeyLock( TBool aFlag );

    69 

    70         /**

    71         * Update the updated state of Key Lock With Note - Lock or Unlock.

    72         */

    73         IMPORT_C void UpdateStateWithNote( );

    74 

    75         /**

    76         * Update the updated state of Key Lock Without Note - Lock or Unlock.

    77         */

    78         IMPORT_C void UpdateStateWithoutNote( );

    79 

    80 private: 

    81 

    82     /**

    83      * Default C++ Constructor.

    84      */

    85 	CEvtKeyLockHandler( );

    86 

    87     /**

    88      * Second phase of the two phase constructor.

    89      */

    90     void ConstructL();

    91 

    92 private: // data

    93 

    94 	/**

    95 	 * Handle to Key Lock Settings.

    96 	 */

    97 	 RAknKeylock2 iKeyLock;

    98 

    99 	/**

   100 	 * Key Lock Settings.

   101 	 */

   102      TBool iKeyLocked;

   103 };

   104 

   105 #endif C_EVTKEYLOCKHANDLER_H