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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 __LOGSERVDATABASECHANGEINTERFACE_H__
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#define __LOGSERVDATABASECHANGEINTERFACE_H__
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#include "LogServDatabaseChangeObserver.h"
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#include "LogChangeDefinition.h"
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/////////////////////////////////////////////////////////////////////////////////////////
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// -----> MLogServDatabaseChangeInterface (header)
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/////////////////////////////////////////////////////////////////////////////////////////
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/**
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@internalComponent
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*/
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class MLogServDatabaseChangeInterface
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{
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/////////////////////////////////////////////////////////////////////////////////////////
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public: // ENUMERATIONS
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/////////////////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////////////////
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public: // FROM MLogServDatabaseChangeInterface
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/////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Submit some contextual information to the change interface so that it can
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* intelligently notify observers about a batch of updates
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*/
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virtual void DCISubmitChangedEventContextL(TLogDatabaseChangeType aType, TLogId aEventId) = 0;
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/**
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* Submit some global information about a change. This isn't specific to an event
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* but may include changes such as 'a backup is starting/ending' or 'the log
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* has been cleared' etc.
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*/
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virtual void DCISubmitGlobalChangeContextL(TUid aChangeType, TInt aContextParam1 = 0, TInt aContextParam2 = 0, TInt aContextParam3 = 0) = 0;
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/////////////////////////////////////////////////////////////////////////////////////////
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public: // FROM MLogServDatabaseChangeInterface
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/////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Request change notifications
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*/
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virtual void DCIRequestChangeNotificationsL(MLogServDatabaseChangeObserver& aObserver) = 0;
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/**
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* Cancel change notification request
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*/
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virtual void DCIRequestChangeNotificationsCancel(MLogServDatabaseChangeObserver& aObserver) = 0;
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};
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#endif
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