1 /*

     2 * Copyright (c) 2010 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 "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: 

    15 *

    16 */

    17 

    18 #include <e32base.h>

    19 #include <hwrmlight.h>

    20 

    21 #ifndef CACTIVITYMANAGER_H_

    22 #define CACTIVITYMANAGER_H_

    23 

    24 class MActivityManagerObserver

    25 {

    26 public :

    27     virtual void ActivityChanged(const TBool aActive) = 0;

    28 };

    29 

    30 //#define MONITOR_LIGHTS

    31 class CActivityManager : public CActive

    32 #ifdef MONITOR_LIGHTS   

    33                            ,public MHWRMLightObserver

    34 #endif

    35 

    36 {

    37 public:

    38 

    39     /**

    40      * Two-phased constructor.

    41      *     

    42      */

    43     static CActivityManager* NewL(MActivityManagerObserver* aObserver, TInt aTimeout = 60);

    44 

    45     /**

    46      * Destructor

    47      *     

    48      */

    49     virtual ~CActivityManager();

    50     void SetTimeout(TInt aTimeout);

    51     void Start();

    52     void Reset();

    53     void Stop();

    54     TBool IsInactive();

    55 

    56 

    57 protected: // from CActive

    58     void DoCancel();

    59     void RunL();

    60     TInt RunError(TInt aError);

    61 

    62 protected:

    63     CActivityManager(MActivityManagerObserver* aObserver, TInt aTimeout);

    64     void ConstructL();

    65     void NotifyObserver();

    66     

    67 #ifdef MONITOR_LIGHTS

    68 private: //From MHWRMLightObserver

    69     void LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus);

    70 #endif

    71     

    72 protected:

    73     enum TWatch { ENone = 0, EWaitingForInactivity, EWaitingForActivity };

    74 

    75 protected:

    76     RTimer iTimer;

    77     TWatch iWatch;

    78     MActivityManagerObserver* iObserver; ///The observer of activity status

    79     TInt iTimeout; ///Current inactivity period

    80     

    81 #ifdef MONITOR_LIGHTS

    82     //Backlight control 

    83     CHWRMLight* iLight;

    84     //backlight status

    85     TBool iLights;

    86 #endif

    87     //previous status

    88     TInt iPreviousStatus;

    89     TBool iFirstRound;

    90 };

    91 #endif /* CACTIVITYMANAGER_H_ */