1 /*

     2 * Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  describes system information notifiers.

    15 *

    16 */

    17 

    18 

    19 #ifndef __SYSUSERACTIVITY_H__

    20 #define __SYSUSERACTIVITY_H__

    21 

    22 //INCLUDES

    23 #include "sysinfo.h"

    24 #include "activerequests.h"

    25 

    26 // FORWARD DECLARATIONS

    27 class CUserActivityManager;

    28 

    29 

    30 /**

    31 *  @ref CUserActivity active object class to handle user activity and user 

    32 *   inactivity notifications.

    33 *

    34 *  @lib sysinfoservice.lib

    35 *  @since S60 3.2

    36 */

    37 NONSHARABLE_CLASS(CUserActivity): public CActiveRequest

    38     {

    39     public:

    40     /**

    41     * Two-phased constructor.

    42     *

    43     * @return A new instance of this class.

    44     */    

    45     static CUserActivity* NewL(const TSysRequest& aRequest);

    46     /**

    47     * Destructor.

    48     */

    49     ~CUserActivity();

    50 

    51     private:

    52     // Enumeration of user events.

    53     enum TEvent

    54         {

    55         EUSERACTIVITY,

    56         EUSERINACTIVITY

    57         };

    58 

    59     /**

    60     * C++ default constructor.

    61     */

    62     CUserActivity( TSysRequest::TRequestType aReqType,TInt32 aTransID,

    63                                                 ISystemObserver* aObsrvr );

    64 

    65     /**

    66     * By default Symbian 2nd phase constructor is private.

    67     */

    68     void ConstructL(const TSysRequest& aRequest);

    69 

    70     public:	

    71     /**

    72     * Issues user activity and inactivity request.

    73     */

    74     TInt Request();

    75 

    76     protected: // from CActive

    77     void RunL();

    78     void DoCancel();

    79 

    80     protected:

    81     /**

    82     * call back handle to handle inactivity event.

    83     */

    84     static	TInt HandleInactiveEventL(TAny* aPtr);

    85     /**

    86     * call back handle to handle activity event.

    87     */

    88     static	TInt HandleActiveEventL(TAny* aPtr);

    89     /**

    90     * call back handle to handle activity event.

    91     */	

    92     void HandleReqResponseL(TEvent aEvent);

    93 

    94     private:	// DATA

    95 

    96     //Activity manager handle.

    97     CUserActivityManager*       iActivityManager;

    98 

    99     // TimeOut value for user inactivity notification.

   100     TInt                        iTimeout;

   101     };

   102 

   103 #endif __SYSUSERACTIVITY_H__