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:  Publish and Subscribe implementation of notify services

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CCANOTIFIERIMPL_H

    21 #define CCANOTIFIERIMPL_H

    22 

    23 //  INCLUDES

    24 #include "MCANotifierInterface.h"

    25 #include "MCAPropertyNotificationObserver.h"

    26 

    27 // FORWARD DECLARATIONS

    28 class MCANotifierKeyObserver;

    29 class CCAPropertyObserver;

    30 

    31 // CLASS DECLARATION

    32 /**

    33 *  Class for notifying key changes, reading and changing the values of

    34 *  Pub&Sub keys.

    35 *

    36 *  @since Series 60 Platform 3.0

    37 */

    38 class CCANotifierImpl : public CBase,

    39             public MCANotifierInterface,

    40             public MCAPropertyNotificationObserver

    41     {

    42     public:  // Constructors and destructor

    43 

    44         /**

    45         * Two-phased constructor.

    46         */

    47         static CCANotifierImpl* NewL( MCANotifierKeyObserver* aObserver,

    48                                       const TUid aUid );

    49 

    50         /**

    51         * Destructor.

    52         */

    53         virtual ~CCANotifierImpl();

    54 

    55     public: // Functions from base classes

    56 

    57         TInt SetInt( TNotifyKey aKey, TInt aValue );

    58         TInt GetInt( TNotifyKey aKey, TInt& aValue );

    59         TInt ListenKeyChanges( TNotifyKey aKey );

    60 

    61     private: // From MCAPropertyNotificationObserver

    62 

    63         /**

    64         * @see MCAPropertyNotificationObserver

    65         */

    66         void HandlePropertyNotificationEventL( TUid aCategory, TUint aKey );

    67 

    68     private:

    69 

    70         /**

    71         * C++ default constructor.

    72         */

    73         CCANotifierImpl( MCANotifierKeyObserver* aObserver, const TUid aUid );

    74 

    75 

    76     private:    // Data

    77 

    78         MCANotifierKeyObserver* iObserver;

    79         TUid iCatUID;

    80         CCAPropertyObserver* iPropWatcher;

    81     };

    82 

    83 #endif      // CCANOTIFIERIMPL_H 

    84 

    85 // End of File