1 /*

     2 * Copyright (c) 2002-2005 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:  Monitor of language selection

    15 *

    16 */

    17 

    18 

    19 #ifndef CSATLANGUAGESELECTIONMONITOR_H

    20 #define CSATLANGUAGESELECTIONMONITOR_H

    21 

    22 // INCLUDES

    23 #include "MSatSystemStateObserver.h"

    24 #include "CSatEventMonitorHandler.h"

    25 

    26 // FORWARD DECLARATIONS

    27 class MSatSystemStateChangeNotifier;

    28 

    29 // CLASS DECLARATION

    30 

    31 /**

    32 *  Monitors language selection events.

    33 *

    34 *  @lib EventMonitors.lib

    35 *  @since Series 60 3.0

    36 */

    37 class CSatLanguageSelectionMonitor : public CSatEventMonitorHandler,

    38                                      public MSatSystemStateObserver

    39     {

    40     public:  // Constructor and destructor

    41 

    42         /**

    43         * Two-phased constructor.

    44         * @param aUtils Interface for Event monitor utils

    45         */

    46         static CSatLanguageSelectionMonitor* NewL(

    47             MSatEventMonitorUtils& aUtils );

    48 

    49         /**

    50         * Destructor.

    51         */

    52         virtual ~CSatLanguageSelectionMonitor();

    53 

    54     public: // From base class

    55 

    56         /**

    57         * From CSatEventMonitorHandler Cancels event monitoring

    58         */

    59         void DoCancelMonitor();

    60 

    61         /**

    62         * From MSatSystemStateObserver Notifies that system state changed.

    63         * @param aValue ID of the selected language.

    64         */

    65         void StateChanged( const TInt aValue );

    66 

    67     protected: // New functions

    68 

    69         /**

    70         * From CSatEventMonitorHandler Starts event monitoring

    71         * @return Error code indicating the status of starting the monitor

    72         */

    73         TInt StartMonitor();

    74 

    75     private:

    76 

    77         /**

    78         * C++ default constructor.

    79         * @param aUtils Interface for Event monitor utils

    80         */

    81         CSatLanguageSelectionMonitor( MSatEventMonitorUtils& aUtils );

    82 

    83         /**

    84         * By default Symbian 2nd phase constructor is private.

    85         */

    86         void ConstructL();

    87 

    88     private: // Data

    89 

    90         // CentRep change notifier

    91         MSatSystemStateChangeNotifier* iPSNotifier;

    92 

    93     };

    94 

    95 #endif      // CSATLANGUAGESELECTIONMONITOR_H

    96 

    97 // End of File