os/persistentdata/traceservices/tracefw/ulogger/src/uloggerserver/uloggerwatcher.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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// Copyright (c) 2007-2009 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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// ULogger data watcher
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// 
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//
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/**
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 @file
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 @internalTechnology
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 @prototype
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*/
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#ifndef __ULOGGERWATCHER_H__
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#define __ULOGGERWATCHER_H__
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#include <e32base.h>
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namespace Ulogger
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{
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/**MDataWatcherObserver class
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*/
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class MDataWatcherObserver
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	{
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	public:
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		virtual void DataNotification() = 0;
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	};
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/**CULoggerWatcher class
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*/
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class CULoggerWatcher : public CActive
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	{
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	public:
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		static CULoggerWatcher* NewL();
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		static CULoggerWatcher* NewLC();
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		~CULoggerWatcher();
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		//from CActive
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		void RunL();
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		//own methods
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		inline TRequestStatus& GetStatus(){return iStatus;}
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		void StartWatching(MDataWatcherObserver* aObserver);
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		inline void StopWatching()
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		{
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			Cancel();
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		}
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	private:
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		CULoggerWatcher();
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		void ConstructL();
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		//from CActive
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		void DoCancel();
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		//data 
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		MDataWatcherObserver* iObserver;
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	};
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}
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#endif //__ULOGGERWATCHER_H__