examples/Telephony/ETel3rdPartyExample/PhoneMonitoring/CBatteryInfo.cpp

// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//


#include "CBatteryInfo.h"

CBatteryInfo* CBatteryInfo::NewL(MExecAsync* aController)
        {
        CBatteryInfo* self = new(ELeave) CBatteryInfo(aController);
        CleanupStack::PushL(self);
        self->ConstructL();
        CleanupStack::Pop(self);
        return self;
        }

CBatteryInfo::~CBatteryInfo()
        {
        Cancel();
        }

void CBatteryInfo::DoStartRequestL()
        {
        _LIT( KNotifyPanic, "CBatteryInfo Get Method" );
        __ASSERT_ALWAYS( !IsActive(), User::Panic( KNotifyPanic, 1 ));
        iRequestNotify = EFalse;
        
        // Retrieves the status and charge level of the phone battery.
        iTelephony->GetBatteryInfo(iStatus, iBatteryInfoV1Pckg);
        SetActive();
        }

CBatteryInfo::CBatteryInfo(MExecAsync* aController)
        : CISVAPIAsync(aController, KBatteryInfo),
          iBatteryInfoV1Pckg(iBatteryInfoV1)
        {
        // Empty method
        }

void CBatteryInfo::ConstructL()
        {
        // Empty method
        }

void CBatteryInfo::RunL()
        {
        CTelephony::TBatteryInfoV1 BatteryInfo = iBatteryInfoV1;

        if(iStatus != KErrNone)
                {
                iConsole->Printf(KError);
                
                // Print the error status code
                iConsole->Printf(_L("%d\n"), iStatus.Int());
                }
        else
                {
                // Print Battery Info
                CTelephony::TBatteryStatus batteryStatus = BatteryInfo.iStatus;
                TUint chargeLevel = BatteryInfo.iChargeLevel;
                if (iRequestNotify)
                        {
                        iConsole->ClearScreen();
                        iConsole->Printf(_L("~*THIS IS A NOTIFICATION*~\n"));
                        }
                iConsole->Printf(KBatteryInfoMsg);
                iConsole->Printf(_L("Charge is %d\n"), chargeLevel);
                switch (batteryStatus)
                        {
                case CTelephony::EPowerStatusUnknown:
                        iConsole->Printf(_L("EPowerStatusUnknown %d\n"), batteryStatus);
                        break;
                case CTelephony::EPoweredByBattery:
                        iConsole->Printf(_L("EPoweredByBattery %d\n"), batteryStatus);
                        break;
                case CTelephony::EBatteryConnectedButExternallyPowered:
                        iConsole->Printf(_L("EBatteryConnectedButExternallyPowered %d\n"), batteryStatus);
                        break;
                case CTelephony::ENoBatteryConnected:
                        iConsole->Printf(_L("ENoBatteryConnected %d\n"), batteryStatus);
                        break;
                case CTelephony::EPowerFault:
                        iConsole->Printf(_L("EPowerFault %d\n"), batteryStatus);
                        break;
                default:
                        iConsole->Printf(KError);
                        }
                }
                if (iRequestNotify)
                        {
                        DoRequestNotificationL();
                        }
                else
                        {
                        ExampleComplete();
                        }
        }

void CBatteryInfo::DoRequestNotificationL()
        {
        // Panics if this object is already performing an asynchronous operation.
        // Application will panic if you call SetActive() on an already active object.
        _LIT( KNotifyPanic, "CBatteryInfo Notify Method" );
        __ASSERT_ALWAYS( !IsActive(), User::Panic( KNotifyPanic, 1 ));
        iRequestNotify = ETrue;
        
        // Registers interest in receiving change notifications for events.
        iTelephony->NotifyChange(       iStatus,
                                                                CTelephony::EBatteryInfoChange,
                                                                iBatteryInfoV1Pckg );
        SetActive();
        }

void CBatteryInfo::DoCancel()
        {
        // Cancels an outstanding asynchronous request.
        iTelephony->CancelAsync(CTelephony::EBatteryInfoChangeCancel);
        }

---