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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 __LOGSERVVIEWCHANGEMANAGER_H__
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#define __LOGSERVVIEWCHANGEMANAGER_H__
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#include <logcli.h>
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#include "LogChangeDefinition.h"
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#include "LogCliServShared.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 MLogServDatabaseChangeInterface;
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/////////////////////////////////////////////////////////////////////////////////////////
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// -----> CLogServViewBase (header)
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/////////////////////////////////////////////////////////////////////////////////////////
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/**
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@internalComponent
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*/
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class CLogServViewChangeManager : public CBase
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{
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public:
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static CLogServViewChangeManager* NewL(MLogServDatabaseChangeInterface& aChangeInterface);
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~CLogServViewChangeManager();
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private:
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CLogServViewChangeManager(MLogServDatabaseChangeInterface& aChangeInterface);
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void ConstructL();
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public: // CHANGE TRANSACTION
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/**
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*
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*/
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void ChangeTransactionPrepare();
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/**
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*
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*/
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void ChangeTransactionSubmitL(TLogId aId, TLogDatabaseChangeType aType, TInt aViewIndex);
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/**
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*
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*/
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void ChangeTransactionCommitL();
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public: // CHANGE DELIVERY
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/**
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* Deliver the next available batch of changes. Panics if there
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* aren't any.
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*/
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void DeliverChangesL(const RMessage2& aMessage);
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public: // CHANGE REQUEST MANAGEMENT
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/**
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* The client has requested change notifications
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*/
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void RequestChangeNotifications(const RMessage2& aMessage);
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/**
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* The client has cancelled a previous change notification request
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*/
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void RequestChangeNotificationsCancel();
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private:
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void NotifyClient();
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void CompleteClientChangeMessage(TInt aCompletionCode);
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private:
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MLogServDatabaseChangeInterface& iChangeInterface;
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/**
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* Completed when the view contents change
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*/
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RMessagePtr2 iClientSideChangeMessage;
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/**
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* A buffer which contain the list of changed items
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* for the current change transaction
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*/
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CLogChangeDefinition* iTransientChangeDefinition;
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/**
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* All the change 'packages' which are outstanding for this client
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*/
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RPointerArray<CBufBase> iPendingChanges;
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};
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#endif
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