1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/loggingservices/eventlogger/LogServ/inc/LogServViewChangeManager.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,108 @@
     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 __LOGSERVVIEWCHANGEMANAGER_H__
    1.20 +#define __LOGSERVVIEWCHANGEMANAGER_H__
    1.21 +
    1.22 +#include <logcli.h>
    1.23 +#include "LogChangeDefinition.h"
    1.24 +#include "LogCliServShared.h"
    1.25 +#include "LogServBackupObserver.h"
    1.26 +#include "LogServDatabaseChangeObserver.h"
    1.27 +
    1.28 +// Classes referenced
    1.29 +class MLogServDatabaseChangeInterface;
    1.30 +
    1.31 +
    1.32 +/////////////////////////////////////////////////////////////////////////////////////////
    1.33 +// -----> CLogServViewBase (header)
    1.34 +/////////////////////////////////////////////////////////////////////////////////////////
    1.35 +/**
    1.36 +@internalComponent
    1.37 +*/
    1.38 +class CLogServViewChangeManager : public CBase
    1.39 +	{
    1.40 +public:
    1.41 +	static CLogServViewChangeManager* NewL(MLogServDatabaseChangeInterface& aChangeInterface);
    1.42 +	~CLogServViewChangeManager();
    1.43 +
    1.44 +private:
    1.45 +	CLogServViewChangeManager(MLogServDatabaseChangeInterface& aChangeInterface);
    1.46 +	void ConstructL();
    1.47 +
    1.48 +public: // CHANGE TRANSACTION
    1.49 +
    1.50 +	/**
    1.51 +	 *
    1.52 +	 */
    1.53 +	void ChangeTransactionPrepare();
    1.54 +
    1.55 +	/**
    1.56 +	 *
    1.57 +	 */
    1.58 +	void ChangeTransactionSubmitL(TLogId aId, TLogDatabaseChangeType aType, TInt aViewIndex);
    1.59 +
    1.60 +	/**
    1.61 +	 *
    1.62 +	 */
    1.63 +	void ChangeTransactionCommitL();
    1.64 +
    1.65 +
    1.66 +public: // CHANGE DELIVERY
    1.67 +
    1.68 +	/**
    1.69 +	 * Deliver the next available batch of changes. Panics if there
    1.70 +	 * aren't any.
    1.71 +	 */
    1.72 +	void DeliverChangesL(const RMessage2& aMessage);
    1.73 +
    1.74 +public: // CHANGE REQUEST MANAGEMENT
    1.75 +
    1.76 +	/**
    1.77 +	 * The client has requested change notifications
    1.78 +	 */
    1.79 +	void RequestChangeNotifications(const RMessage2& aMessage);
    1.80 +
    1.81 +	/**
    1.82 +	 * The client has cancelled a previous change notification request
    1.83 +	 */
    1.84 +	void RequestChangeNotificationsCancel();
    1.85 +
    1.86 +private:
    1.87 +	void NotifyClient();
    1.88 +	void CompleteClientChangeMessage(TInt aCompletionCode);
    1.89 +
    1.90 +private:
    1.91 +	MLogServDatabaseChangeInterface& iChangeInterface;
    1.92 +
    1.93 +	/**
    1.94 +	 * Completed when the view contents change
    1.95 +	 */
    1.96 +	RMessagePtr2 iClientSideChangeMessage;
    1.97 +
    1.98 +	/**
    1.99 +	 * A buffer which contain the list of changed items
   1.100 +	 * for the current change transaction
   1.101 +	 */
   1.102 +	CLogChangeDefinition* iTransientChangeDefinition;
   1.103 +
   1.104 +	/**
   1.105 +	 * All the change 'packages' which are outstanding for this client
   1.106 +	 */
   1.107 +	RPointerArray<CBufBase> iPendingChanges;
   1.108 +
   1.109 +	};
   1.110 +
   1.111 +#endif