1 /*

     2 * Copyright (c) 2005-2007 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:  Phonebook 2 database compression timeout timer.

    15 *

    16 */

    17 

    18 

    19 #ifndef CPBK2COMPRESSPOLICYTIMER_H

    20 #define CPBK2COMPRESSPOLICYTIMER_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include <MVPbkContactStoreObserver.h>

    25 #include "MPbk2CompressPolicy.h"

    26 

    27 // FORWARD DECLARATIONS

    28 class MPbk2CompressPolicyManager;

    29 class MVPbkContactStore;

    30 class MPbk2StoreObservationRegister;

    31 

    32 // CLASS DECLARATION

    33 

    34 /**

    35  * Phonebook 2 database compression timeout timer.

    36  * Responsible for measuring time since last contact store event.

    37  * If the specified time interval is achieved with no interrupting store

    38  * events, tells the compress manager to start the compress.

    39  */

    40 NONSHARABLE_CLASS(CPbk2CompressPolicyTimer) :

    41         public CTimer,

    42         public MPbk2CompressPolicy,

    43         public MVPbkContactStoreObserver

    44 

    45     {

    46     public: // Construction and destruction

    47 

    48         /**

    49          * Creates a new instance of this class.

    50          *

    51          * @param aStoreObservationRegister     Store observation register.

    52          * @param aObserver                     Observer.

    53          * @param aTimeout                      Compression time interval.

    54          * @return  A new instance of this class.

    55          */

    56         static CPbk2CompressPolicyTimer* NewL(

    57                 MPbk2StoreObservationRegister& aStoreObservationRegister,

    58                 MPbk2CompressPolicyManager& aObserver,

    59                 TTimeIntervalSeconds aTimeout );

    60 

    61         /**

    62          * Destructor.

    63          */

    64         ~CPbk2CompressPolicyTimer();

    65 

    66     public: // From MPbk2CompressPolicy

    67         void Start();

    68         void Stop();

    69 

    70     public: // From MVPbkContactStoreObserver

    71         void StoreReady(

    72                 MVPbkContactStore& aContactStore );

    73         void StoreUnavailable(

    74                 MVPbkContactStore& aContactStore,

    75                 TInt aReason );

    76         void HandleStoreEventL(

    77                 MVPbkContactStore& aContactStore,

    78                 TVPbkContactStoreEvent aStoreEvent );

    79 

    80     private: // From CTimer

    81         void RunL();

    82         TInt RunError(

    83                 TInt aError );

    84 

    85     private: // Implementation

    86         CPbk2CompressPolicyTimer(

    87                 MPbk2StoreObservationRegister& aStoreObservationRegister,

    88                 MPbk2CompressPolicyManager& aObserver,

    89                 TTimeIntervalSeconds aTimeout );

    90         void ConstructL();

    91         void StartTimer();

    92         void RegisterToListenEventsSafely();

    93 

    94     private: // Data

    95         /// Ref: Store observation register

    96         MPbk2StoreObservationRegister& iStoreObservationRegister;

    97         /// Ref: Compress policy manager

    98         MPbk2CompressPolicyManager& iManager;

    99         /// Own: Time out

   100         TTimeIntervalMicroSeconds32 iTimeout;

   101         /// Own: Restart indicator

   102         TBool iRestarted;

   103     };

   104 

   105 #endif // CPBK2COMPRESSPOLICYTIMER_H

   106 

   107 // End of File