1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // ULogger data watcher

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalTechnology

    21  @prototype

    22 */

    23 

    24 

    25 #ifndef __ULOGGERWATCHER_H__

    26 #define __ULOGGERWATCHER_H__

    27 

    28 #include <e32base.h>

    29 

    30 namespace Ulogger

    31 {

    32 	

    33 

    34 /**MDataWatcherObserver class

    35 */

    36 class MDataWatcherObserver

    37 	{

    38 	public:

    39 		virtual void DataNotification() = 0;

    40 		

    41 	};

    42 

    43 

    44 

    45 /**CULoggerWatcher class

    46 */

    47 class CULoggerWatcher : public CActive

    48 	{

    49 	public:

    50 		static CULoggerWatcher* NewL();

    51 		static CULoggerWatcher* NewLC();

    52 		~CULoggerWatcher();

    53 		

    54 		//from CActive

    55 		void RunL();

    56 		

    57 		//own methods

    58 		inline TRequestStatus& GetStatus(){return iStatus;}

    59 		void StartWatching(MDataWatcherObserver* aObserver);

    60 		inline void StopWatching()

    61 		{

    62 			Cancel();

    63 		}

    64 	

    65 	private:

    66 		CULoggerWatcher();

    67 		void ConstructL();

    68 		

    69 		//from CActive

    70 		void DoCancel();

    71 	

    72 		//data 

    73 		MDataWatcherObserver* iObserver;

    74 	};

    75 }

    76 #endif //__ULOGGERWATCHER_H__