1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/loggingservices/eventlogger/LogServ/inc/LogServDatabaseChangeInterface.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,68 @@
     1.4 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#ifndef __LOGSERVDATABASECHANGEINTERFACE_H__
    1.20 +#define __LOGSERVDATABASECHANGEINTERFACE_H__
    1.21 +
    1.22 +#include "LogServDatabaseChangeObserver.h"
    1.23 +#include "LogChangeDefinition.h"
    1.24 +
    1.25 +
    1.26 +/////////////////////////////////////////////////////////////////////////////////////////
    1.27 +// -----> MLogServDatabaseChangeInterface (header)
    1.28 +/////////////////////////////////////////////////////////////////////////////////////////
    1.29 +/**
    1.30 +@internalComponent
    1.31 +*/
    1.32 +class MLogServDatabaseChangeInterface
    1.33 +	{
    1.34 +/////////////////////////////////////////////////////////////////////////////////////////
    1.35 +public: // ENUMERATIONS
    1.36 +/////////////////////////////////////////////////////////////////////////////////////////
    1.37 +
    1.38 +/////////////////////////////////////////////////////////////////////////////////////////
    1.39 +public: // FROM MLogServDatabaseChangeInterface
    1.40 +/////////////////////////////////////////////////////////////////////////////////////////
    1.41 +
    1.42 +	/**
    1.43 +	 * Submit some contextual information to the change interface so that it can
    1.44 +	 * intelligently notify observers about a batch of updates
    1.45 +	 */
    1.46 +	virtual void DCISubmitChangedEventContextL(TLogDatabaseChangeType aType, TLogId aEventId) = 0;
    1.47 +
    1.48 +	/**
    1.49 +	 * Submit some global information about a change. This isn't specific to an event
    1.50 +	 * but may include changes such as 'a backup is starting/ending' or 'the log
    1.51 +	 * has been cleared' etc.
    1.52 +	 */
    1.53 +	virtual void DCISubmitGlobalChangeContextL(TUid aChangeType, TInt aContextParam1 = 0, TInt aContextParam2 = 0, TInt aContextParam3 = 0) = 0;
    1.54 +
    1.55 +/////////////////////////////////////////////////////////////////////////////////////////
    1.56 +public: // FROM MLogServDatabaseChangeInterface
    1.57 +/////////////////////////////////////////////////////////////////////////////////////////
    1.58 +
    1.59 +	/** 
    1.60 +	 * Request change notifications
    1.61 +	 */
    1.62 +	virtual void DCIRequestChangeNotificationsL(MLogServDatabaseChangeObserver& aObserver) = 0;
    1.63 +
    1.64 +	/**
    1.65 +	 * Cancel change notification request
    1.66 +	 */
    1.67 +	virtual void DCIRequestChangeNotificationsCancel(MLogServDatabaseChangeObserver& aObserver) = 0;
    1.68 +	};
    1.69 +
    1.70 +
    1.71 +#endif