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