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 	TBool IsMonitoringForActivity();

    34 private:

    35 	void RunL();

    36 	CScreensaverActivityManager(TInt aPriority);

    37 	void MonitorInactivity();

    38 private:

    39 

    40     enum TState {

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

    42         EStNotActive,        //< Constructed but not started

    43         EStMonForInactivity, //< Monitoring user inactivity mode

    44         EStMonForActivity    //< Monitoring user activity mode

    45     };

    46 

    47     /** Inactivity interval */

    48     TTimeIntervalSeconds iInterval;

    49     

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

    51 	TCallBack            iInactiveCallback;

    52 	

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

    54 	TCallBack            iActiveCallback;

    55 	

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

    57 	TState                iState;

    58 	};

    59 

    60 #endif // SCREENSAVERACTIVITYMANAGER_H