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 // CScreensaverActivityManager class

    15 // 

    16 //

    17 

    18 #ifndef SCREENSAVERACTIVITYMANAGER_H

    19 #define SCREENSAVERACTIVITYMANAGER_H

    20 

    21 #include <e32base.h>

    22 

    23 

    24 class CScreensaverActivityManager : public CTimer

    25 	{

    26 public:

    27  	static CScreensaverActivityManager* NewL(TInt aPriority);

    28 	~CScreensaverActivityManager();

    29 	void Start(TTimeIntervalSeconds aInterval,

    30 	                    TCallBack aInactiveCallback,

    31 	                    TCallBack aActiveCallback);

    32 	void SetInactivityTimeout(TTimeIntervalSeconds aInterval);

    33 private:

    34 	void RunL();

    35 	CScreensaverActivityManager(TInt aPriority);

    36 	void MonitorInactivity();

    37 private:

    38 

    39     enum TState {

    40         EStUndefined = 0,    //< Never used, reserved

    41         EStNotActive,        //< Constructed but not started

    42         EStMonForInactivity, //< Monitoring user inactivity mode

    43         EStMonForActivity    //< Monitoring user activity mode

    44     };

    45 

    46     /** Inactivity interval */

    47     TTimeIntervalSeconds iInterval;

    48     

    49     /** Callback to be used in case that user inactivity is detected */

    50 	TCallBack            iInactiveCallback;

    51 	

    52     /** Callback to be used in case of user activity after inactivity period */

    53 	TCallBack            iActiveCallback;

    54 	

    55     /** State of object, what form of monitoring is active. */

    56 	TState                iState;

    57 	};

    58 

    59 #endif // SCREENSAVERACTIVITYMANAGER_H