sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __LOGNOTIFY_H__
sl@0: #define __LOGNOTIFY_H__
sl@0: 
sl@0: #include <logcli.h>
sl@0: #include "LogServBackupObserver.h"
sl@0: #include "LogServDatabaseChangeObserver.h"
sl@0: 
sl@0: // Classes referenced
sl@0: class MLogServBackupInterface;
sl@0: class MLogServDatabaseChangeInterface;
sl@0: 
sl@0: /**
sl@0: Uses the previous classes to provide change notifications
sl@0: @internalComponent
sl@0: */
sl@0: class CLogNotify : public CTimer, public MLogServBackupObserver, public MLogServDatabaseChangeObserver
sl@0: 	{
sl@0: public:
sl@0: 	static CLogNotify* NewL(MLogServBackupInterface& aBackupInterface, MLogServDatabaseChangeInterface& aChangeInterface, TInt aPriority);
sl@0: 	~CLogNotify();
sl@0: 
sl@0: private:
sl@0: 	CLogNotify(MLogServBackupInterface& aBackupInterface, MLogServDatabaseChangeInterface& aChangeInterface, TInt aPriority);
sl@0: 	void ConstructL();
sl@0: 
sl@0: public:
sl@0: 	void Notify(TTimeIntervalMicroSeconds32 aDelay, const RMessage2& aMessage);
sl@0: 
sl@0: 
sl@0: private: // FROM MLogServDatabaseChangeObserver
sl@0: 	void DCOHandleChangeEventsL(const CLogChangeDefinition& aChanges);
sl@0: 
sl@0: private: // FROM MLogServBackupObserver
sl@0: 	void BOHandleEventL(TLogServBackupEvent aEvent);
sl@0: 
sl@0: public: // FROM CActive
sl@0: 	void Cancel();
sl@0: 
sl@0: private: // FROM CActive
sl@0: 	void RunL();
sl@0: 	void DoCancel();
sl@0: 
sl@0: private: // Internal
sl@0: 	void CheckForChanges();
sl@0: 	void CompleteClientRequest(TInt aCompletionCode);
sl@0: 
sl@0: private:
sl@0: 
sl@0: 	/**
sl@0: 	 * So this object knows when a backup is starting. Have to cancel the delay timer
sl@0: 	 * during this period.
sl@0: 	 */
sl@0: 	MLogServBackupInterface& iBackupInterface;
sl@0: 
sl@0: 	/**
sl@0: 	 * The change interface
sl@0: 	 */
sl@0: 	MLogServDatabaseChangeInterface& iChangeInterface;
sl@0: 
sl@0: 	/**
sl@0: 	 * Counters for change tracking
sl@0: 	 */
sl@0: 	TUint iLastCommit;
sl@0: 	TUint iCommit;
sl@0: 
sl@0: 	/**
sl@0: 	 * The client-side outstanding notification request
sl@0: 	 */
sl@0: 
sl@0: 	RMessagePtr2 iMessagePtr;
sl@0: 
sl@0: 	/**
sl@0: 	 * Used as a flag to indicate whether the client-side message should
sl@0: 	 * be completed
sl@0: 	 */
sl@0: 	TBool iCompleteClientMessage;
sl@0: 
sl@0: #ifdef LOGGING_ENABLED
sl@0: public:
sl@0: 	TName iClientThreadName;
sl@0: 	inline void SetClientThreadName(const TDesC& aName) { iClientThreadName = aName; }
sl@0: #endif
sl@0: 	};
sl@0: 
sl@0: #endif