1 /*

     2 * Copyright (c) 2004-2006 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:  Watcher for the PC-Suite data sync state

    15 *

    16 */

    17 

    18 

    19 #ifndef NSSCHBACKUPOBSERVER_H

    20 #define NSSCHBACKUPOBSERVER_H

    21 

    22 //  INCLUDES

    23 

    24 #include <e32base.h>

    25 #include "nssvasccontacthandlerimpl.h"

    26 

    27 // Publish & Subscribe of the contact handler activity

    28 #include <e32property.h>  

    29 

    30 // CONSTANTS

    31 

    32 

    33 // MACROS

    34 

    35 // FORWARD DECLARATIONS

    36 

    37 // CLASS DECLARATION

    38 

    39 /**

    40  @todo generalize the common parts of this class and CNssVasBackupObserver from VAS API

    41        At the moment the code is copy-pasted and duplicated

    42 */

    43 

    44 

    45 

    46 /**

    47 * RProperty based data sync watcher implementation

    48 */

    49 NONSHARABLE_CLASS( CNssChBackupObserver ) : public CActive

    50     {

    51     public:

    52         /** 

    53         *  Factory construction

    54         *  @param aDb Database 

    55         *  @return Constructed and already started observer

    56         */

    57         static CNssChBackupObserver* NewL( CNssContactHandlerImplementation& aHost );

    58         

    59         /** 

    60         * Destructor 

    61         */

    62         ~CNssChBackupObserver();

    63         

    64         /**

    65         * @return ETrue if some backup/restore action is in progress

    66         *         EFalse otherwise

    67         */

    68         TBool InProgress();

    69 

    70     private:

    71         /**

    72         * C++ constructor 

    73         */

    74         CNssChBackupObserver( CNssContactHandlerImplementation& aHost );

    75         

    76         /**

    77         * Symbian second phase constructor 

    78         */

    79         void ConstructL();

    80         

    81         /**

    82         * is called when data sync property changed 

    83         */

    84         void RunL();

    85         

    86         /**

    87         * Is called when system wants immediate cancelling of the watching 

    88         */

    89         void DoCancel();

    90         

    91     private:

    92         // Publish & Subscribe property about backup/restore 

    93         RProperty   iProperty;

    94         

    95         // Object to be notified about the backup/restore

    96         CNssContactHandlerImplementation& iHost;

    97         

    98         // ETrue if some backup/restore action is in progress

    99         TBool iInProgress;

   100     };

   101 

   102 #endif // NSSCHBACKUPOBSERVER_H

   103             

   104 // End of File