1 /*

     2 * Copyright (c) 2004 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:  Notifier interface for system events

    15 *

    16 */

    17 

    18 #ifndef __MIMPSSYSTEMNOTIFIER_H

    19 #define __MIMPSSYSTEMNOTIFIER_H

    20 

    21 //  INCLUDES

    22 #include <e32base.h>

    23 

    24 // FORWARD DECLARATIONS

    25 

    26 // CLASS DECLARATION

    27 

    28 /**

    29 *  System events handler

    30 *

    31 *  @lib WVServiceSettingsUi.dll

    32 *  @since 2.6

    33 */

    34 NONSHARABLE_CLASS( MIMPSSystemNotifier )

    35     {

    36 public: // New functions

    37 

    38     /**

    39     * Subscribes to listen for set of a key, which to notifier is bound

    40     * @param aKey       Keyword of which changes are to be observed.

    41     * @return error code

    42     */

    43     virtual TInt Subscribe() = 0;

    44 

    45     /**

    46     * Unsubscribes a request to listen for change of a key, which to notifier is bound

    47     * @param aKey       Keyword of which changes are to be observed.

    48     * @return error code

    49     */

    50     virtual void UnSubscribe() = 0;

    51 

    52     /**

    53     * Gets the integer value corresponding the key,  which to notifier is bound

    54     * @param aKey keyword

    55     * @param aValue integer value associated with the keyword

    56     * @return error code

    57     */

    58     virtual TInt GetIntKey( TInt& aValue ) = 0;

    59 

    60     /**

    61     * Destructor

    62     */

    63     virtual ~MIMPSSystemNotifier() {};

    64 

    65     };

    66 

    67 #endif      // __MIMPSSYSTEMNOTIFIER_H

    68 

    69 // End of File