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/*
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* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifndef BATTERY_INFO_OBSERVER
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#define BATTERY_INFO_OBSERVER
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// INCLUDES
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#include <e32base.h>
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#include <hwrmpower.h>
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// CONSTANTS
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const TInt KHalfSecond = 500000;
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const TInt KTwoMins = 120000000;
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// CLASS DECLARATION
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/**
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* MBatteryInfoNotifier
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* Interface class for NotifyBatteryInfo()
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*/
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class MBatteryInfoNotifier
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{
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public:
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/**
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* Notifier for battery info changes
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*
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* @param aError error code
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* @param aBatteryData data structure to battery data
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*/
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virtual void NotifyBatteryInfo( TInt aError,
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CHWRMPower::TBatteryConsumptionData aBatteryData ) = 0;
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};
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// CLASS DECLARATION
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/**
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* CBatteryInfoObserver is used to provide battery information from HWRM to CTSY
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*/
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NONSHARABLE_CLASS( CBatteryInfoObserver ) : public CActive
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{
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public:
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/**
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* Two-phased constructor
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*
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* @param aPower reference to CHWRMPower instance
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* @param aBatteryInfoNotifier reference to interface class
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* MBatteryInfoNotifier
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* @return Pointer to the created object
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*/
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static CBatteryInfoObserver* NewL( CHWRMPower& aPower,
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MBatteryInfoNotifier& aBatteryInfoNotifier );
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/**
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* Two-phased constructor
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*
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* @param aPower reference to CHWRMPower instance
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* @param aBatteryInfoNotifier reference to interface class
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* MBatteryInfoNotifier
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* @return Pointer to the created object
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*/
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static CBatteryInfoObserver* NewLC( CHWRMPower& aPower,
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MBatteryInfoNotifier& aBatteryInfoNotifier );
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/**
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* Destructor
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*/
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~CBatteryInfoObserver();
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/**
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* Handles GetBatteryInfo request completion event
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*/
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void RunL();
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/**
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* Cancellation of an outstanding request
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*/
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void DoCancel();
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/**
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* Get battery info
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*/
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void GetBatteryInfo();
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/**
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* Run timer
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*
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* @param aObject pointer to object which start timer
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* @return TInt KErrNone because callback function is intended to be
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* called again
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*/
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static TInt RunTimer(TAny* aObject);
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private:
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/**
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* By default Symbian 2nd phase constructor is private
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*/
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void ConstructL();
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/**
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* Constructor
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*
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* @param aPower reference to CHWRMPower instance
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* @param aBatteryInfoNotifier reference to interface class
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* MBatteryInfoNotifier
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*/
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CBatteryInfoObserver( CHWRMPower& aPower,
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MBatteryInfoNotifier& aBatteryInfoNotifier );
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private:
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/**
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* Reference to CHWRMPower instance
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*/
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CHWRMPower& iPower;
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/**
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* Data structure used to retrieve data from a call to GetBatteryInfo
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*/
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CHWRMPower::TBatteryConsumptionData iBatteryData;
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/**
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* Reference to BatteryInfoNotifier object
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*/
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MBatteryInfoNotifier& iBatteryInfoNotifier;
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/**
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* Periodic timer
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*/
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CPeriodic* iPeriodic;
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};
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#endif /*BATTERY_INFO_OBSERVER*/
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// End of File
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