sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // ULogger data watcher
sl@0: // 
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0:  @prototype
sl@0: */
sl@0: 
sl@0: 
sl@0: #ifndef __ULOGGERWATCHER_H__
sl@0: #define __ULOGGERWATCHER_H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: 
sl@0: namespace Ulogger
sl@0: {
sl@0: 	
sl@0: 
sl@0: /**MDataWatcherObserver class
sl@0: */
sl@0: class MDataWatcherObserver
sl@0: 	{
sl@0: 	public:
sl@0: 		virtual void DataNotification() = 0;
sl@0: 		
sl@0: 	};
sl@0: 
sl@0: 
sl@0: 
sl@0: /**CULoggerWatcher class
sl@0: */
sl@0: class CULoggerWatcher : public CActive
sl@0: 	{
sl@0: 	public:
sl@0: 		static CULoggerWatcher* NewL();
sl@0: 		static CULoggerWatcher* NewLC();
sl@0: 		~CULoggerWatcher();
sl@0: 		
sl@0: 		//from CActive
sl@0: 		void RunL();
sl@0: 		
sl@0: 		//own methods
sl@0: 		inline TRequestStatus& GetStatus(){return iStatus;}
sl@0: 		void StartWatching(MDataWatcherObserver* aObserver);
sl@0: 		inline void StopWatching()
sl@0: 		{
sl@0: 			Cancel();
sl@0: 		}
sl@0: 	
sl@0: 	private:
sl@0: 		CULoggerWatcher();
sl@0: 		void ConstructL();
sl@0: 		
sl@0: 		//from CActive
sl@0: 		void DoCancel();
sl@0: 	
sl@0: 		//data 
sl@0: 		MDataWatcherObserver* iObserver;
sl@0: 	};
sl@0: }
sl@0: #endif //__ULOGGERWATCHER_H__