1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __LOGNOTIFY_H__

    17 #define __LOGNOTIFY_H__

    18 

    19 #include <logcli.h>

    20 #include "LogServBackupObserver.h"

    21 #include "LogServDatabaseChangeObserver.h"

    22 

    23 // Classes referenced

    24 class MLogServBackupInterface;

    25 class MLogServDatabaseChangeInterface;

    26 

    27 /**

    28 Uses the previous classes to provide change notifications

    29 @internalComponent

    30 */

    31 class CLogNotify : public CTimer, public MLogServBackupObserver, public MLogServDatabaseChangeObserver

    32 	{

    33 public:

    34 	static CLogNotify* NewL(MLogServBackupInterface& aBackupInterface, MLogServDatabaseChangeInterface& aChangeInterface, TInt aPriority);

    35 	~CLogNotify();

    36 

    37 private:

    38 	CLogNotify(MLogServBackupInterface& aBackupInterface, MLogServDatabaseChangeInterface& aChangeInterface, TInt aPriority);

    39 	void ConstructL();

    40 

    41 public:

    42 	void Notify(TTimeIntervalMicroSeconds32 aDelay, const RMessage2& aMessage);

    43 

    44 

    45 private: // FROM MLogServDatabaseChangeObserver

    46 	void DCOHandleChangeEventsL(const CLogChangeDefinition& aChanges);

    47 

    48 private: // FROM MLogServBackupObserver

    49 	void BOHandleEventL(TLogServBackupEvent aEvent);

    50 

    51 public: // FROM CActive

    52 	void Cancel();

    53 

    54 private: // FROM CActive

    55 	void RunL();

    56 	void DoCancel();

    57 

    58 private: // Internal

    59 	void CheckForChanges();

    60 	void CompleteClientRequest(TInt aCompletionCode);

    61 

    62 private:

    63 

    64 	/**

    65 	 * So this object knows when a backup is starting. Have to cancel the delay timer

    66 	 * during this period.

    67 	 */

    68 	MLogServBackupInterface& iBackupInterface;

    69 

    70 	/**

    71 	 * The change interface

    72 	 */

    73 	MLogServDatabaseChangeInterface& iChangeInterface;

    74 

    75 	/**

    76 	 * Counters for change tracking

    77 	 */

    78 	TUint iLastCommit;

    79 	TUint iCommit;

    80 

    81 	/**

    82 	 * The client-side outstanding notification request

    83 	 */

    84 

    85 	RMessagePtr2 iMessagePtr;

    86 

    87 	/**

    88 	 * Used as a flag to indicate whether the client-side message should

    89 	 * be completed

    90 	 */

    91 	TBool iCompleteClientMessage;

    92 

    93 #ifdef LOGGING_ENABLED

    94 public:

    95 	TName iClientThreadName;

    96 	inline void SetClientThreadName(const TDesC& aName) { iClientThreadName = aName; }

    97 #endif

    98 	};

    99 

   100 #endif