1 /*

     2 * Copyright (c) 2007-2009 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  

    19 // INCLUDE FILES

    20 #include "BatteryInfoObserver.h"

    21 

    22 // ======== define patchable constants ======

    23 // Note:  patchable constant cannot be defined in the source file it is referred to.

    24 #ifdef __EABI__

    25 // for HWRM support. 1 indicate HWRM is available. 0 indicate it is unavailable

    26 EXPORT_C extern const TInt32 KHWRMIsSupported = 0;

    27 #endif

    28 

    29 

    30 // ======== MEMBER FUNCTIONS ========

    31 

    32 CBatteryInfoObserver* CBatteryInfoObserver::NewL( CHWRMPower& aPower,

    33     MBatteryInfoNotifier& aBatteryInfoNotifier )

    34 	{

    35 	CBatteryInfoObserver* self = CBatteryInfoObserver::NewLC( aPower,

    36 	    aBatteryInfoNotifier );

    37 	CleanupStack::Pop(self);

    38 	return self;

    39 	}

    40 	

    41 CBatteryInfoObserver* CBatteryInfoObserver::NewLC( CHWRMPower& aPower,

    42     MBatteryInfoNotifier& aBatteryInfoNotifier )

    43 	{

    44 	CBatteryInfoObserver* self = new ( ELeave ) CBatteryInfoObserver( aPower,

    45 	    aBatteryInfoNotifier );

    46 	CleanupStack::PushL( self );

    47 	self->ConstructL();

    48 	return self;

    49 	}

    50 

    51 CBatteryInfoObserver::~CBatteryInfoObserver()

    52 	{

    53 	if ( iPeriodic )

    54         {

    55         iPeriodic->Cancel();

    56         delete iPeriodic;

    57         }

    58 	Cancel();

    59 	}

    60 

    61 void CBatteryInfoObserver::ConstructL()

    62 	{

    63     iPeriodic = CPeriodic::NewL( EPriorityNormal );

    64     // Start the timer with 2 minute interval

    65     iPeriodic->Start( TTimeIntervalMicroSeconds32(KHalfSecond),

    66         TTimeIntervalMicroSeconds32(KTwoMins),

    67         TCallBack(CBatteryInfoObserver::RunTimer,

    68         this ));

    69 	}	

    70 

    71 CBatteryInfoObserver::CBatteryInfoObserver( CHWRMPower& aPower,

    72     MBatteryInfoNotifier& aBatteryInfoNotifier ) :

    73     CActive( EPriorityStandard ),

    74     iPower( aPower ),

    75     iBatteryInfoNotifier( aBatteryInfoNotifier )

    76 	{

    77 	CActiveScheduler::Add(this);

    78 	}

    79 	

    80 // -----------------------------------------------------------------------------

    81 // CBatteryInfoObserver::RunL

    82 // Handles CBatteryInfoObserver::GetBatteryInfo request completion event.

    83 // 

    84 // -----------------------------------------------------------------------------

    85 //		

    86 void CBatteryInfoObserver::RunL()

    87 	{

    88     iBatteryInfoNotifier.NotifyBatteryInfo( iStatus.Int(), iBatteryData );

    89 	}

    90 

    91 // -----------------------------------------------------------------------------

    92 // CBatteryInfoObserver::DoCancel

    93 // Cancellation of an outstanding request

    94 //

    95 // -----------------------------------------------------------------------------

    96 //		

    97 void CBatteryInfoObserver::DoCancel()

    98 	{

    99     //no cancel for GetBatteryInfo

   100 	}

   101 

   102 // -----------------------------------------------------------------------------

   103 // CBatteryInfoObserver::GetBatteryInfo

   104 // Get battery info from HWRM.

   105 //

   106 // -----------------------------------------------------------------------------

   107 //

   108 void CBatteryInfoObserver::GetBatteryInfo()

   109     {

   110     //Check if active 

   111     if ( !IsActive() )

   112         {

   113         iPower.GetBatteryInfo( iStatus, iBatteryData );

   114         SetActive();

   115         }

   116     }

   117     

   118 // -----------------------------------------------------------------------------

   119 // CBatteryInfoObserver::RunTimer

   120 // Execute GetBatteryInfo()

   121 // 

   122 // -----------------------------------------------------------------------------

   123 //    

   124 TInt CBatteryInfoObserver::RunTimer( TAny* aObject )

   125     {

   126     ( ( CBatteryInfoObserver* ) aObject )->GetBatteryInfo();

   127     return KErrNone;

   128     }

   129 

   130 //  End of File