1 /*

     2 * Copyright (c) 2010 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:   Observer for signal strength handler

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef MSIGNALSTRENGTHOBSERVER_H

    21 #define MSIGNALSTRENGTHOBSERVER_H

    22 

    23 //  INCLUDES

    24 #include <e32base.h>

    25 

    26 // CLASS DECLARATION

    27 

    28 /**

    29 *  Interface for a class which observes if there are any changes

    30 *  in phone signal strength.

    31 */

    32 class MSignalStrengthObserver

    33     {

    34     public:     // Constructors and destructor

    35 

    36         /**

    37         * Destructor.

    38         */

    39         virtual ~MSignalStrengthObserver() {};

    40 

    41     public:     // New functions

    42 

    43         /**

    44          * Notifies about updates in signal bars and strength.

    45          * @param aNewSignalValue New value for the signal strength.

    46          * @param aNewBarValue New value for the signal bars.

    47          */

    48         virtual void SignalStrengthAndBarUpdatedL( TInt aNewSignalValue, TInt aNewBarValue ) = 0;

    49     };

    50 

    51 #endif      // MSIGNALSTRENGTHOBSERVER_H

    52 

    53 // End of File