1 /*

     2 * Copyright (c) 2006-2007 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:  Activity Manager

    15  *

    16 */

    17 

    18 #include <e32base.h>

    19 #include <hwrmlight.h>

    20 

    21 #ifndef TMACTIVITYMANAGER_H

    22 #define TMACTIVITYMANAGER_H

    23 

    24 

    25 class MTMActivityManagerObserver

    26 

    27 {

    28 public :

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

    30 };

    31 

    32 

    33 class CTMActivityManager : public CActive,

    34                            public MHWRMLightObserver

    35 

    36 {

    37 public:

    38 

    39     /**

    40      * Two-phased constructor.

    41      *

    42      * @since S60 v5.0

    43      * @return Instance of CThumbAGProcessor.

    44      */

    45     static CTMActivityManager* NewL(MTMActivityManagerObserver* aObserver, TInt aTimeout = 60);

    46 

    47     /**

    48      * Destructor

    49      *

    50      * @since S60 v5.0

    51      */

    52     virtual ~CTMActivityManager();

    53     void SetTimeout(TInt aTimeout);

    54     void Start();

    55     void Reset();

    56     void Stop();

    57     TBool IsInactive();

    58 

    59 

    60 protected: // from CActive

    61     void DoCancel();

    62     void RunL();

    63     TInt RunError(TInt aError);

    64 

    65 protected:

    66     CTMActivityManager(MTMActivityManagerObserver* aObserver, TInt aTimeout);

    67     void ConstructL();

    68     void NotifyObserver();

    69     

    70 private: //From MHWRMLightObserver

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

    72     

    73 protected:

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

    75 

    76 protected:

    77     RTimer iTimer;

    78     TWatch iWatch;

    79     MTMActivityManagerObserver* iObserver; ///The observer of activity status

    80     TInt iTimeout; ///Current inactivity period

    81     

    82     //Backlight control 

    83     CHWRMLight* iLight;

    84     //backlight status

    85     TBool iLights;

    86 

    87     //previous status

    88     TInt iPreviousStatus;

    89     TBool iFirstRound;

    90 };

    91 

    92 #endif // TMACTIVITYMANAGER_H