// Copyright (c) 2000-2010 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:

//

// User includes

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "indicatorwatcherTraces.h"

#endif

#include "indicatorwatcher.h"

// System includes

#include <sacls.h>

 #include <commsdat.h>

//

// ------> Global exports

//

//

// ------> CIndicatorWatcher (source)

//

CIndicatorWatcher::CIndicatorWatcher()

:	CPhoneWatcher()

	{

	}

CIndicatorWatcher* CIndicatorWatcher::NewL(TAny* /*aWatcherParams*/)

	{

	CIndicatorWatcher* self= new (ELeave) CIndicatorWatcher();

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop();

	return self;

	}

void CIndicatorWatcher::ConstructL()

	{

	CWatcherBase::ConstructL();

	iCallStateWatcher = new (ELeave) CCallStateWatcher(Phone());

	/* Attach to properties for minimum access time */

	User::LeaveIfError(iCurrentCallProperty.Attach(KUidSystemCategory, KUidCurrentCall.iUid)); 

	User::LeaveIfError(iChargerStatusProperty.Attach(KUidSystemCategory, KUidChargerStatus.iUid)); 

	User::LeaveIfError(iNetworkStatusProperty.Attach(KUidSystemCategory, KUidNetworkStatus.iUid)); 

	}

CIndicatorWatcher::~CIndicatorWatcher()

	{

	Cancel();

	delete iCallStateWatcher;

	iCurrentCallProperty.Close();

	iChargerStatusProperty.Close();

	iNetworkStatusProperty.Close();

	}

//

//

//

void CIndicatorWatcher::HandlePhoneStateEventL(TInt aCompletionCode)

	{

	switch(IndicatorState())

		{

	case EIndicatorNotYetInitialised:

	case EIndicatorRequestInitialIndicator:

		OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CINDICATORWATCHER_HANDLEPHONESTATEEVENTL_1, "IndicatorWatcher : Requesting initial indicator values");

		Phone().GetIndicator(iStatus, iIndicatorInfo);

		IndicatorState() = EIndicatorWaitingForInitialIndicator;

		SetActive();

		break;

	case EIndicatorWaitingForInitialIndicator:

		IndicatorState() = EIndicatorIssuingIndicatorChangeNotification;

		HandleIndicatorUpdateL(aCompletionCode);

		break;

	case EIndicatorIssuingIndicatorChangeNotification:

		HandleIndicatorUpdateL(aCompletionCode);

		break;

	default:

		__ASSERT_DEBUG(0, IndicatorPanic(EUnexpectedState));

		}

	}

void CIndicatorWatcher::HandleCancel()

	{

	if	(Phone().SubSessionHandle() == KNullHandle)

		return;

	if	(IndicatorState() == EIndicatorWaitingForInitialIndicator)

		Phone().CancelAsyncRequest(EMobilePhoneGetIndicator);

	else if (IndicatorState() == EIndicatorIssuingIndicatorChangeNotification)

		{

		Phone().CancelAsyncRequest(EMobilePhoneNotifyIndicatorChange);

		if (iCallStateWatcher)

			iCallStateWatcher->Cancel();

		}

	}

void CIndicatorWatcher::ReleasePhoneResources()

//

//	Called by the phone watcher base class. Release any telephony related

//	resources and reset and state.

//

	{

	// This is only called within RunL and therefore we can't be active

	__ASSERT_DEBUG(!IsActive(), IndicatorPanic(EUnexpectedActiveState));

	// Reset state

	iState = EIndicatorNotYetInitialised;

	}

//

//

//

void CIndicatorWatcher::HandleIndicatorUpdateL(TInt aCompletionCode)

	{

#ifdef OST_TRACE_COMPILER_IN_USE

	OstTraceDef1(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CINDICATORWATCHER_HANDLEINDICATORUPDATEL_1, "IndicatorWatcher : Handling phone state change with request result (%d)", aCompletionCode);

#else

	(void) aCompletionCode;

#endif

#ifdef WATCHER_TESTING

	// TESTING: 

	{	

	// Get a random number which controls what state we update...

	TInt index;

	User::LeaveIfError(RProperty::Get(KUidSystemCategory,KUidTestProp_CallStateChange.iUid, index));

	switch(index)

		{

	default:

	case 0: // CALL STATE

		{

		TSACurrentCall state = static_cast<TSACurrentCall>(WHelpers::Rand(ESACallNone, ESACallAlternating, TheSeed));

		User::LeaveIfError(iCurrentCallProperty.Set(state));

		break;

		}

	case 1: // BATTERY CHARGER

		{

		TSAChargerStatus state = static_cast<TSAChargerStatus>(WHelpers::Rand(ESAChargerConnected, ESAChargerNotCharging, TheSeed));

		User::LeaveIfError(iChargerStatusProperty.Set(state));

		break;

		}

	case 2: // NETWORK AVAILABILITY

		{

		TSANetworkStatus state = static_cast<TSANetworkStatus>(WHelpers::Rand(ESANetworkAvailable, ESANetworkUnAvailable, TheSeed));

		User::LeaveIfError(iNetworkStatusProperty.Set(state));

		break;

		}

		}

	SuspendFor(10); // seconds

	return;

	}

#else

	if	(aCompletionCode < KErrNone)

		{

		// Indicate we don't know what the indicator status is

		User::LeaveIfError(iCurrentCallProperty.Set(KErrUnknown));

		User::LeaveIfError(iChargerStatusProperty.Set(KErrUnknown));

		User::LeaveIfError(iNetworkStatusProperty.Set(KErrUnknown));

		if	(aCompletionCode == KErrNotSupported)

			{

			// If the TSY returns 'Not supported' then it isn't 

			// worth re-sending the request, so give up gracefully.

			SetDisabled(_L("IndicatorNotifier : TSY returned not supported (%d)"), aCompletionCode);

			}

		else if	(aCompletionCode == KErrCancel)

			{

			// Indicator watcher was cancelled

			SetDisabled(_L("IndicatorNotifier : TSY has cancelled request (%d)"), aCompletionCode);

			}

		else if	(aCompletionCode == KWatcherBaseModemNotDetected)

			{

			// We should release all telephony related resources until the

			// phone is available again.

			Cancel();

			Reset();

			// The modem / phone cannot be found. Wait until it becomes available again...

			WaitForPhoneToPowerUpL();

			}

		else if	(ErrorCountIncrement() >= KErrorRetryCount)

			{

			// We've already tried as many times as possible. Shut ourselves down forever.

			// This watcher will be restarted when the machine is rebooted.

			SetDisabled(_L("IndicatorNotifier : Max retries reached or exceeded. Shutting down until reboot."), 0);

			}

		else

			SuspendFor(KErrorRetryPausePeriod);

		}

	else

		{

		OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CINDICATORWATCHER_HANDLEINDICATORUPDATEL_2, "IndicatorWatcher : Processing successful indicator event");

		// Update charger status if there has been a change

		{

		TInt chargerState;

		User::LeaveIfError(iChargerStatusProperty.Get(chargerState));

		TInt newChargerState=KErrUnknown;

		if (iIndicatorInfo & RMobilePhone::KIndChargerConnected)

			newChargerState=ESAChargerConnected;

		else

			newChargerState=ESAChargerDisconnected;

		if (newChargerState!=chargerState)

			{

			OstTraceDef1(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CINDICATORWATCHER_HANDLEINDICATORUPDATEL_3, "IndicatorWatcher : New Charger State %d", newChargerState);

			User::LeaveIfError(iChargerStatusProperty.Set(newChargerState));

			}

		}

		// Update network available status if there has been a change

		{

		TInt networkState;

		User::LeaveIfError(iNetworkStatusProperty.Get(networkState));		

		TInt newNetworkState=KErrUnknown;

		if (iIndicatorInfo & RMobilePhone::KIndNetworkAvailable)

			newNetworkState=ESANetworkAvailable;

		else

			newNetworkState=ESANetworkUnAvailable;

		if (newNetworkState!=networkState)

			{

			OstTraceDef1(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CINDICATORWATCHER_HANDLEINDICATORUPDATEL_4, "IndicatorWatcher : New Network State %d", newNetworkState);

			User::LeaveIfError(iNetworkStatusProperty.Set(newNetworkState));		

			}

		}

		// Update call-in-progress status if there has been a change

		{

		TInt callState;

		User::LeaveIfError(iCurrentCallProperty.Get(callState));

		TInt newCallState=KErrUnknown;

		if ((iIndicatorInfo & RMobilePhone::KIndCallInProgress) && 

			(callState <= ESACallNone))

			{

			newCallState=iCallStateWatcher->StartCallStateMonitor();

			}

		else if (!(iIndicatorInfo & RMobilePhone::KIndCallInProgress))

			{

			iCallStateWatcher->Cancel();

			newCallState=ESACallNone;

			}

		if (newCallState!=callState)

			{

			OstTraceDef1(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CINDICATORWATCHER_HANDLEINDICATORUPDATEL_5, "IndicatorWatcher : New Call State %d", newCallState);

			User::LeaveIfError(iCurrentCallProperty.Set(newCallState));

			}

		}

		// Issue another request

		Phone().NotifyIndicatorChange(iStatus, iIndicatorInfo);

		SetActive();

		}

#endif

	}

//

//

//

//

CCallStateWatcher::CCallStateWatcher(RMobilePhone& aPhone, TInt aPriority)

:	CActive(aPriority), iPhone(aPhone)

	{

	CActiveScheduler::Add(this);

	}

CCallStateWatcher::~CCallStateWatcher()

	{

	Cancel();

	}

TInt CCallStateWatcher::StartCallStateMonitor()

	{

	TInt state=KErrUnknown;

	TInt lineCount = 0;

	// Find the line and call to open permanently

	TInt error = iPhone.EnumerateLines(lineCount);

	if	(error)

		return state;

	for(TInt i = 0; i<lineCount; i++)

		{

		RPhone::TLineInfo lineInfo;

		error = iPhone.GetLineInfo(i, lineInfo);

		if (error)

			break; // and return state unknown

		error = iLine.Open(iPhone,lineInfo.iName);

		if (error)

			break; // and return state unknown

		TInt callCount=0;

		error = iLine.EnumerateCall(callCount);

		if (error)

			{

			iLine.Close();

			break;

			}

// There may be more than one call - but this watcher only supports

// monitoring first call found

		RLine::TCallInfo callInfo;

		TBool found=EFalse;

		for(TInt i=0;i<callCount;i++)

			{

			error = iLine.GetCallInfo(i,callInfo);

			if((error==KErrNone)&&

			   (callInfo.iStatus!=RCall::EStatusIdle)&&

			   (callInfo.iStatus!=RCall::EStatusUnknown))

				{

				found=ETrue;

				break;

				}

			}

		if(found)

			{

			error = iCall.OpenExistingCall(iLine, callInfo.iCallName);

			if (error)

				{

				// Found the line to monitor but can't open call

				iLine.Close();

				return state;

				}

			state = GetCallState();

			if (state!=KErrUnknown)

				{

				// Now monitor for further state changes

				iCall.NotifyMobileCallStatusChange(iStatus,iCallState);

				SetActive();

				break;

				}

			else

				{

				iCall.Close();

				iLine.Close();

				return state;

				}

			} // end of if (callCount>0)

		else

			{

			// Close this line and look at next one

			iLine.Close();

			}

		} // end of for loop

	return state;

	}

void CCallStateWatcher::RunL()

	{

	if (iStatus.Int() == KErrNone)

		{

		TInt callState;

		User::LeaveIfError(RProperty::Get(KUidSystemCategory, KUidCurrentCall.iUid, callState));

		TInt newCallState=KErrUnknown;

		newCallState=GetCallState();

		if (newCallState!=callState)

			User::LeaveIfError(RProperty::Set(KUidSystemCategory,KUidCurrentCall.iUid,newCallState));

		if (newCallState != KErrUnknown)

			{

			// Now monitor for further state changes

			iCall.NotifyMobileCallStatusChange(iStatus,iCallState);

			SetActive();

			}

		else

			{

			iCall.Close();

			iLine.Close();

			}

		}

	else

		{

		iCall.Close();

		iLine.Close();

		}

	}

void CCallStateWatcher::DoCancel()

	{

	iCall.CancelAsyncRequest(EMobileCallNotifyMobileCallStatusChange);

	iCall.Close();

	iLine.Close();

	}

TInt CCallStateWatcher::RunError(TInt /*aError*/)

	{

	// Release resources

	iCall.Close();

	iLine.Close();

	return KErrNone;

	}

TInt CCallStateWatcher::GetCallState()

	{

	TInt state=KErrUnknown;

	RMobileCall::TMobileCallInfoV1 info;

	RMobileCall::TMobileCallInfoV1Pckg infoPckg(info);

	TInt error = iCall.GetMobileCallInfo(infoPckg);

	if	(error)

		{

		// Found the call to monitor but can't get information

		return state;

		}

	switch (info.iStatus)

		{

	case RMobileCall::EStatusRinging:

		state = ESACallRinging;

		break;

	case RMobileCall::EStatusDialling:

		state = ESACallDialling;

		break;

	case RMobileCall::EStatusConnecting:

		state = ESACallAlerting;

		break;

	case RMobileCall::EStatusAnswering:

		state = ESACallAnswering;

		break;

	case RMobileCall::EStatusDisconnecting:

	case RMobileCall::EStatusDisconnectingWithInband:

		state = ESACallDisconnecting;

		break;

	case RMobileCall::EStatusConnected:

	case RMobileCall::EStatusHold:

	case RMobileCall::EStatusReconnectPending:

		{

		// Call is connected, so update with type of connected call

		if((info.iValid & RMobileCall::KCallAlternating)&&

		   (info.iAlternatingCall != RMobilePhone::EAlternatingModeSingle))

			state = ESACallAlternating;

		else

			{

			switch (info.iService)

				{

			case RMobilePhone::EVoiceService:

			case RMobilePhone::EAuxVoiceService:

				state = ESACallVoice;

				break;

			case RMobilePhone::ECircuitDataService:

				state = ESACallData;

				break;

			case RMobilePhone::EFaxService:

				state = ESACallFax;

				break;

			default:

				// Not a valid call service

				break;

				}

			}

		}

		break;

	default:

		// must be idle state - or special idle state

		state = ESACallNone;

		break;

		}

	return state;

	}

//

//

//

//

// Panic Function

//

void CIndicatorWatcher::IndicatorPanic(TWatcherPanic aPanicNumber)

	{

	_LIT(panicText,"Indicator Watcher");

	User::Panic(panicText,aPanicNumber);

	}