1 /*

     2 * Copyright (c) 2009 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:  Response dialog's custom control implementation

    15 *

    16 */

    17 

    18 

    19 #ifndef CMRSYSTEMNOTIFIER_H

    20 #define CMRSYSTEMNOTIFIER_H

    21 

    22 #include <e32base.h>

    23 

    24 class CEnvironmentChangeNotifier;

    25 class CESMRFieldEventQueue;

    26 

    27 /**

    28  * CMRSystemNotifier listen system events and sends MRUI events.

    29  */

    30 NONSHARABLE_CLASS( CMRSystemNotifier ) : public CBase

    31     {

    32 public: // Contstruction and destruction

    33     /**

    34      * Creates and initialzes new CMRSystemNotifier object.

    35      * Ownership is transferred to caller.

    36      * @param aEventQueue Reference to event queue

    37      */

    38     static CMRSystemNotifier* NewL( 

    39             CESMRFieldEventQueue& aEventQueue );

    40     

    41     /**

    42      * C++ destructor

    43      */

    44     ~CMRSystemNotifier();

    45 

    46     /**

    47      * Starts system notifier

    48      */

    49     void StartL();

    50     

    51     /**

    52      * Stops system notifier

    53      */

    54     void Stop();

    55     

    56 private: // Implementation

    57     CMRSystemNotifier( CESMRFieldEventQueue& aEventQueue );

    58     void ConstructL();

    59     static TInt EnvChangeCallbackL( TAny* aThisPtr );

    60     void DoEnvChangeL();

    61     

    62 private: // Data

    63     /// Own: System notifier

    64     CEnvironmentChangeNotifier* iSystemNotifier;

    65     /// Ref: Reference to event queue

    66     CESMRFieldEventQueue& iEventQueue;

    67     };

    68 

    69 #endif // CMRSYSTEMNOTIFIER_H