telephonyutils/etel3rdpartyapi/ExampleApps/PhoneMonitoring/CBatteryInfo.cpp
changeset 0 3553901f7fa8
child 24 6638e7f4bd8f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyutils/etel3rdpartyapi/ExampleApps/PhoneMonitoring/CBatteryInfo.cpp	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,163 @@
+// 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"
+
+/**
+Factory constructor.
+
+@param  aController Pointer to MExecAsync object passed to constructor of 
+                    CISVAPIBase
+@return             Instance of CBatteryInfo class
+*/
+CBatteryInfo* CBatteryInfo::NewL(MExecAsync* aController)
+	{
+	CBatteryInfo* self = new(ELeave) CBatteryInfo(aController);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+/**
+Destructor.
+Cancels outstanding requests.
+*/
+CBatteryInfo::~CBatteryInfo()
+	{
+	Cancel();
+	}
+
+/**
+Gets battery information and stores it in the iBatteryInfoV1Pckg.
+*/
+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();
+	}
+
+/**
+Constructor.
+
+@param aController Pointer to an MExecAsync object passed to constructor of 
+                   CISVAPIBase
+*/
+CBatteryInfo::CBatteryInfo(MExecAsync* aController)
+	: CISVAPIAsync(aController, KBatteryInfo),
+	  iBatteryInfoV1Pckg(iBatteryInfoV1)
+	{
+	// Empty method
+	}
+
+/**
+Second phase constructor.
+*/
+void CBatteryInfo::ConstructL()
+	{
+	// Empty method
+	}
+
+/**
+Checks the status of the active object and prints the battery information to
+the console if there is no error.
+*/
+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();
+			}
+	}
+
+/**
+Requests to receive notifications of change in the battery information.
+*/
+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();
+	}
+
+/**
+Cancels asynchronous request to CTelephony::GetBatteryInfo().
+*/
+void CBatteryInfo::DoCancel()
+	{
+	// Cancels an outstanding asynchronous request.
+	TInt error = iTelephony->CancelAsync(CTelephony::EBatteryInfoChangeCancel);
+	}
+