/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef _AUTOKEYGUARDOBSERVER_H__

#define _AUTOKEYGUARDOBSERVER_H__

#include <e32base.h>

#include <aknappui.h>

#include <e32property.h>

class CUserActivityManager;

class CAutoKeyguardCenRepI;

class MAutolockAppUiInterface;

class CAutoKeyguardObserver : public CBase

	{

	public:

		/**

        * Creates instance of the CAutoKeyguardObserver class.

        *

		* @return Returns the instance just created.

        */

		static CAutoKeyguardObserver* NewL( MAutolockAppUiInterface* aAppUiI );

		/**

        * Symbian OS constructor.

        */

		void ConstructL( CAutoKeyguardObserver* aObserver );

		/**

        * Destructor.

        */

		~CAutoKeyguardObserver();

	public:

		/**

        * Gets new autokeyguard period and starts monitoring user activity 

        */

		void ResetInactivityTimeout();

		/**

        * Activates keyguard 

		*/

		void LockKeysL();

	private:

		/**

        * C++ default constructor.

        */

		CAutoKeyguardObserver( MAutolockAppUiInterface* aAppUiI ); 

	private:

		/**

        * Return current autokeyguard period

		*

		* @return TInt (autokeyguard period in minutes)

        */	

		TInt AutoKeyguardTimeout();

		/**

        * Handles Active event. Called by ActivityManager

		*

		* @param aPtr 

        * @return KErNone

		*/

		static TInt HandleActiveEventL(TAny* aPtr);

		/**

        * Handles Inactive event. Called by ActivityManager

		*

		* @param aPtr (pointer to CAutoKeyguardObserver)

        * @return KErNone

		*/

		static TInt HandleInactiveEventL(TAny* aPtr);

		/**

        * Starts monitoring user activity

        */		

		void StartActivityMonitoringL();

		/**

        * Stop monitoring user activity.

        */

		void StopActivityMonitoring();

		/**

        * Initializes activymanager 

        */

		void SetActivityManagerL();

		/**

        * UnInitializes activymanager 

        */

		void CancelActivityManager();

	private: //data

		CUserActivityManager*    iActivityManager;

        CAutoKeyguardCenRepI*    iCenRepI;

        MAutolockAppUiInterface* iAppUiI;

	};

#endif

// END OF FILE