/*

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

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Key Lock Settings Handler.

*

*/

#ifndef C_EVTKEYLOCKHANDLER_H

#define C_EVTKEYLOCKHANDLER_H

// System Includes

#include <e32base.h>

#include <aknkeylock.h> 

/**

 *  Interface class to maintain Key Lock Settings.

 *

 *  @lib 

 *  @since S60 v9.1

 */

NONSHARABLE_CLASS( CEvtKeyLockHandler ): public CBase

{

public:

    /**

     * Constructs a new instance of Key Lock Handler.

     *

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

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

     */

    IMPORT_C static CEvtKeyLockHandler* NewL( );

    /**

     * Constructs a new instance of Key Lock Handler.

     * Leaves the created instance on the cleanup stack.

     *

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

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

     */

    IMPORT_C static CEvtKeyLockHandler* NewLC( );  

    /**

    * Destructor.

    */

    IMPORT_C virtual ~CEvtKeyLockHandler();

public:  // Public Functions	

        /**

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

        */

        IMPORT_C void MaintainState( );

        /**

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

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

        */

        IMPORT_C void EnableKeyLock( TBool aFlag );

        /**

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

        */

        IMPORT_C void UpdateStateWithNote( );

        /**

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

        */

        IMPORT_C void UpdateStateWithoutNote( );

private: 

    /**

     * Default C++ Constructor.

     */

	CEvtKeyLockHandler( );

    /**

     * Second phase of the two phase constructor.

     */

    void ConstructL();

private: // data

	/**

	 * Handle to Key Lock Settings.

	 */

	 RAknKeylock2 iKeyLock;

	/**

	 * Key Lock Settings.

	 */

     TBool iKeyLocked;

};

#endif C_EVTKEYLOCKHANDLER_H