// Copyright (c) 2001-2010 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:

// Implements the functionality required to provide clients with

// CallWaiting status and registration information.

// 

//

/**

 @file

*/

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "CSimCallWaitingTraces.h"

#endif

#include <testconfigfileparser.h>

#include "CSimCallWaiting.h"

#include "CSimPhone.h"

const TInt KMobServiceIndxStart = 1;

const TInt KMobServiceIndxEnd   = 5;

CSimCallWaiting* CSimCallWaiting::NewL(CSimPhone* aPhone)

/**

 * Standard two-phase constructor.

 * @param aPhone				The parent phone object.

 * @return CSimCallWaiting		The new call waiting class.

 */

	{

	CSimCallWaiting* self=new(ELeave) CSimCallWaiting(aPhone);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop();

	return self;

	}

CSimCallWaiting::CSimCallWaiting(CSimPhone* aPhone)

		: iPhone(aPhone)

/**

 * Trivial first phase construction.

 * @param aPhone				The parent phone object.

 */

	{

	}

void CSimCallWaiting::ConstructL()

/**

	Second phase of 2-Phase Constructor

  	Retrieves all the Call waiting related tags from the config file

*/

	{

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_CONSTRUCTL_1, "Starting to parse Call waiting config parameters...");

	iGetCWStatus = new(ELeave) CArrayPtrFlat<CListReadAllAttempt>(1);

	FindAndCreateCWListL();

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_CONSTRUCTL_2, "...Finished parsing Call waiting config parameters...");

	}

void CSimCallWaiting::FindAndCreateCWListL()

{

/**

  	Retrieves all the Call waiting tags that define the 

  	original status of Call waiting from the config file

*/

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_FINDANDCREATECWLISTL_1, "CSimPhone::FindAndCreateCWListL");

	RMobilePhone::TMobilePhoneCWInfoEntryV1 entry;

	iCWList = CMobilePhoneCWList::NewL();

	TInt count=CfgFile()->ItemCount(KCWList);

	const CTestConfigItem* item=NULL;

	TInt ret=KErrNone;

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_FINDANDCREATECWLISTL_2, "Starting to Load and Parse CWList Config parameters");

	TInt i;

	for(i=0;i<count;i++)

		{

		item=CfgFile()->Item(KCWList,i);

		if(!item)

			break;

		TInt serviceGroup, status;

		ret=CTestConfig::GetElement(item->Value(),KStdDelimiter,0,serviceGroup);

		if(ret!=KErrNone)

			{

			OstTraceDefExt3(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_FINDANDCREATECWLISTL_3, "WARNING - CONFIGURATION FILE PARSING - Reading element SERVICEGROUP returned %d (element no. %d) from tag %s.",ret,0,KCWList);

			continue;

			}

		ret=CTestConfig::GetElement(item->Value(),KStdDelimiter,1,status);

		if(ret!=KErrNone)

			{

			OstTraceDefExt3(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_FINDANDCREATECWLISTL_4, "WARNING - CONFIGURATION FILE PARSING - Reading element STATUS returned %d (element no. %d) from tag %s.",ret,1,KCWList);

			continue;

			}

		entry.iServiceGroup=(RMobilePhone::TMobileService)serviceGroup;

		entry.iStatus=(RMobilePhone::TMobilePhoneCWStatus)status;

		iCWList->AddEntryL(entry);

		}

	}

CSimCallWaiting::~CSimCallWaiting()

	{

	delete iCWList;

	if (iGetCWStatus)

		iGetCWStatus->ResetAndDestroy();

	delete iGetCWStatus;

	}

TInt CSimCallWaiting::ExtFuncL(const TTsyReqHandle aReqHandle,const TInt aIpc, const TDataPackage& aPckg)

	{

	/**

  	Handles the phone based requests that apply to call waiting

  	@param aReqHandle Handle to the request

  	@param aIpc request identifier

  	@param aPckg contains additional information for the requests

	*/

	TAny* dataPtr = aPckg.Ptr1();

	TAny* dataPtr2 = aPckg.Ptr2();

	// The following requests can be completed even if the completion of another request is pending.

	switch(aIpc)

		{

	case EMobilePhoneSetCallWaitingStatus:

		return SetCallWaitingStatusL(aReqHandle,

			REINTERPRET_CAST(RMobilePhone::TMobileService*, dataPtr),

			REINTERPRET_CAST(RMobilePhone::TMobilePhoneServiceAction*,dataPtr2));

	case EMobilePhoneNotifyCallWaitingStatusChange:

		return NotifyCallWaitingStatusChange(aReqHandle, REINTERPRET_CAST(RMobilePhone::TMobilePhoneCWInfoEntryV1*, dataPtr));

	case EMobilePhoneGetWaitingStatusPhase1:

		return GetCallWaitingStatusPhase1(aReqHandle, 

			REINTERPRET_CAST(CRetrieveMobilePhoneCWList::TGetCallWaitingRequest*, dataPtr), 

			REINTERPRET_CAST(TInt*, dataPtr2));

	case EMobilePhoneGetWaitingStatusPhase2:

		return GetCallWaitingStatusPhase2(aReqHandle, 

			REINTERPRET_CAST(RMobilePhone::TClientId*, dataPtr), aPckg.Des2n());		

	default:

		break;

		}

	return KErrNotSupported;

	}

TInt CSimCallWaiting::CancelService(const TInt aIpc, const TTsyReqHandle aReqHandle)

	{

	/**

  	Cancels any phone based request regarding call waiting

  	@param aIpc the IPC to cancel

  	@param aReqHandle handle to the request

	*/

	switch(aIpc)

		{

	case EMobilePhoneSetCallWaitingStatus:

		return SetCallWaitingStatusCancel(aReqHandle);

	case EMobilePhoneNotifyCallWaitingStatusChange:

		return NotifyCallWaitingStatusChangeCancel(aReqHandle);

	default:

		break;

		}

	return KErrNone;

	}

TInt CSimCallWaiting::NotifyCallWaitingStatusChange(const TTsyReqHandle aReqHandle, RMobilePhone::TMobilePhoneCWInfoEntryV1* aCW)

	{	

	/**

	Requests to be notified of change in the Call Waiting status

	@param aReqHandle Handle to the request

	@param aCW contains the service group and new status that has changed

  	*/

	__ASSERT_ALWAYS(!iCWNotification.iCWChangeInfoNotificationPending,SimPanic(ENotificationReqAlreadyOutstanding));

	iCWNotification.iCWChangeInfoNotificationPending=ETrue;

	iCWNotification.iCWChangeInfoReqHandle=aReqHandle;

	iCWNotification.iCWInfo=aCW;

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_NOTIFYCALLWAITINGSTATUSCHANGE_1, "Finished CSimCallWaiting::NotifyCallWaitingStatusChange");

	return KErrNone;

	}

TInt CSimCallWaiting::NotifyCallWaitingStatusChangeCancel(const TTsyReqHandle aReqHandle)

	{

	/**

	Cancels request to be notified of call Waiting status change

	@param aReqHandle Handle to the request

	*/

	if(iCWNotification.iCWChangeInfoNotificationPending)

		{

		iCWNotification.iCWChangeInfoNotificationPending=EFalse;

		iPhone->ReqCompleted(aReqHandle,KErrCancel);

		}

	return KErrNone;

	}

TInt CSimCallWaiting::SetCallWaitingStatusL(const TTsyReqHandle aReqHandle, RMobilePhone::TMobileService* aService,  RMobilePhone::TMobilePhoneServiceAction* aAction)

	{

	/**

	Sets the status for call Waiting

	@param aReqHandle Handle to the request

	@param aCB condition for which the client whishes to set the call Waiting status

	@param aInfo additional parameters to set the call Waiting status

  	*/

	// make sure we know that the operation concluded sucessfully

	TRAPD(ret,UpdateCWListL(aService,aAction)); 	

	if ( ret != KErrNone )

		{ 

		iPhone->ReqCompleted(aReqHandle,ret);

		}

	// otherwise proceed and notify all went well

	// Notify change

	if (iCWNotification.iCWChangeInfoNotificationPending)

		{

		(iCWNotification.iCWInfo->iServiceGroup)=*aService;

		switch (*aAction)

			{

			case RMobilePhone::EServiceActionRegister:

			case RMobilePhone::EServiceActionActivate:

				iCWNotification.iCWInfo->iStatus= RMobilePhone::ECallWaitingStatusActive;

				break;

			case RMobilePhone::EServiceActionDeactivate:

			case RMobilePhone::EServiceActionErase:

				iCWNotification.iCWInfo->iStatus= RMobilePhone::ECallWaitingStatusNotActive;

				break;

			case RMobilePhone::EServiceActionUnspecified:

			default:

				iCWNotification.iCWInfo->iStatus= RMobilePhone::ECallWaitingStatusUnknown;

				// no sense doing any further operation - leave

				User::Leave( KErrArgument );

				break;

			}

		iCWNotification.iCWChangeInfoNotificationPending=EFalse;

		iPhone->ReqCompleted(iCWNotification.iCWChangeInfoReqHandle,KErrNone);

		}

	iPhone->ReqCompleted(aReqHandle,KErrNone);

	return KErrNone;

	}

TInt CSimCallWaiting::SetCallWaitingStatusCancel(const TTsyReqHandle aReqHandle)

	{

	/**

	Cancels the request to sets the status for call waiting

	@param aReqHandle Handle to the request

  	*/

	iPhone->ReqCompleted(aReqHandle,KErrCancel);

	return KErrNone;

	}

const CTestConfigSection* CSimCallWaiting::CfgFile()

/**

 * Returns a pointer to the current configuration file section.

 *

 * @return CTestConfigSection	A pointer to the current configuration file data section.

 */

	{

	return iPhone->CfgFile();

	}

TInt CSimCallWaiting::GetCallWaitingStatusPhase1(const TTsyReqHandle aTsyReqHandle, 

												 CRetrieveMobilePhoneCWList::TGetCallWaitingRequest* aReqData, 

												 TInt* aBufSize)

	{

	/**

	1st phase retrieval of the the call waiting status list

	@param aReqHandle Handle to the request

	@param aReqData information about the request

	@param aBufSize Size of the buffer the client has to allocate for the 2nd pahase

  	*/

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_GETCALLWAITINGSTATUSPHASE1_1, "CSimCallWaiting::GetCalWaitingStatusPhase1");

	TInt ret=KErrNone;

	TInt leaveCode=KErrNone;

	TRAP(leaveCode, ret=ProcessGetCallWaitingStatusPhase1L(aTsyReqHandle, aReqData, aBufSize););

	if (leaveCode != KErrNone)

			iPhone->ReqCompleted(aTsyReqHandle,leaveCode);

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_GETCALLWAITINGSTATUSPHASE1_2, "CSimCallWaiting::GetCalWaitingStatusPhase1");

	return ret;

	}

TInt CSimCallWaiting::ProcessGetCallWaitingStatusPhase1L(const TTsyReqHandle aTsyReqHandle, 

														 CRetrieveMobilePhoneCWList::TGetCallWaitingRequest* aReqData, 

														 TInt* aBufSize)

	{

	/** Retrieve call waiting status of each line from phone, 

	store each CB status response as a list entry,

	stream the list and then return size of this buffer to client

	@param aReqHandle Handle to the request

	@param aReqData information about the request

	@param aBufSize Size of the buffer the client has to allocate for the 2nd pahase

	*/

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_PROCESSGETCALLWAITINGSTATUSPHASE1L_1, "CSimCallWaiting::ProcessGetCallWaitingStatusPhase1L");

	CMobilePhoneCWList* list=CMobilePhoneCWList::NewL();

	CleanupStack::PushL(list);

	TInt maxNum=iCWList->Enumerate();

	//if testing all CB are non-active

	// then we have to return a single entry EAllServices

	if ( maxNum )

		{

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

			{

			list->AddEntryL(iCWList->GetEntryL(i));

			}

		}

	else

		{

		// if the list is empty and the querry general then we have to return general info

		RMobilePhone::TMobilePhoneCWInfoEntryV1 entry;

		// Check that the data structure is supported by the simulated TSY version

		TInt err = iPhone->CheckSimTsyVersion(entry);

		if(err != KErrNone)

			{

			iPhone->ReqCompleted(aTsyReqHandle, err);

			return KErrNone;

			}

		entry.iServiceGroup	= RMobilePhone::EAllServices;

		entry.iStatus		= RMobilePhone::ECallWaitingStatusNotActive;

		list->AddEntryL( entry );

		}

	// Store the streamed list and the client ID

	CListReadAllAttempt* read=CListReadAllAttempt::NewL(aReqData->iClient,aTsyReqHandle);

	CleanupStack::PushL(read);

	read->iListBuf = list->StoreLC();

	CleanupStack::Pop(); // pop the CBufBase allocated by StoreLC

	iGetCWStatus->AppendL(read);

	CleanupStack::Pop(read); // pop the CListReadAllAttempt

	// return the CBufBase’s size to client

	*aBufSize=(read->iListBuf)->Size();

	CleanupStack::PopAndDestroy(list); // pop&destroy list

	// Complete first phase of list retrieval

	iPhone->ReqCompleted(aTsyReqHandle,KErrNone);

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_PROCESSGETCALLWAITINGSTATUSPHASE1L_2, "CSimCallWaiting::ProcessGetCallWaitingStatusPhase1L");

	return KErrNone;

	}

TInt CSimCallWaiting::GetCallWaitingStatusPhase2(const TTsyReqHandle aTsyReqHandle, 

												 RMobilePhone::TClientId* aClient, TDes8* aBuf)

	{

	/**

	2nd phase retrieval of the the call waiting status list

	@param aReqHandle Handle to the request

	@param aClient Ponter to the client

	@param aBuf Buffer containiong the call waiting status list

	*/

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_GETCALLWAITINGSTATUSPHASE2_1, "CSimCallWaiting::GetCallWaitingStatusPhase2");

	CListReadAllAttempt* read=NULL;

	// Find the get detected network attempt from this client

	for (TInt i=0; i<iGetCWStatus->Count(); ++i)

		{

		read = iGetCWStatus->At(i);

		if ((read->iClient.iSessionHandle==aClient->iSessionHandle) &&

		    (read->iClient.iSubSessionHandle==aClient->iSubSessionHandle))

			{

			TPtr8 bufPtr((read->iListBuf)->Ptr(0));

			// Copy the streamed list to the client

			aBuf->Copy(bufPtr);

			delete read;

			iGetCWStatus->Delete(i);

			iPhone->ReqCompleted(aTsyReqHandle,KErrNone);

			return KErrNone;

			}

		}

	// Should handle error case of not finding the matching client from read all phase 1

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_GETCALLWAITINGSTATUSPHASE2_2, "CSimCallWaiting::GetCallWaitingStatusPhase2");

	return KErrNotFound;

	}

TInt CSimCallWaiting::GetCallWaitingStatusCancel(const TTsyReqHandle aTsyReqHandle)

	{

	/*

	Cancels a Request to retrieve the call waiting status list

	@param aReqHandle Handle to the request

	*/

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_GETCALLWAITINGSTATUSCANCEL_1, "CSimCallWaiting::GetCallWaitingStatusCancel");

	iPhone->ReqCompleted(aTsyReqHandle,KErrNone);

	// Remove the read all attempt from iGetCBStatus

	CListReadAllAttempt* read=NULL;

	for (TInt i=0; i<iGetCWStatus->Count(); ++i)

		{

		read = iGetCWStatus->At(i);

		if (read->iReqHandle == aTsyReqHandle)

			{

			delete read;

			iGetCWStatus->Delete(i);

			break;

			}

		}

	iPhone->ReqCompleted(aTsyReqHandle,KErrCancel);

	OstTraceDef0(OST_TRACE_CATEGORY_DEBUG, TRACE_INTERNALS, CSIMCALLWAITING_GETCALLWAITINGSTATUSCANCEL_2, "CSimCallWaiting::GetCallWaitingStatusCancel");

	return KErrNone;

	}

inline void SplitOneEntryIntoSeparateGroupsL( 

								CMobilePhoneCWList* aCWList,

								RMobilePhone::TMobilePhoneCWInfoEntryV1 aOrigEntry,

								RMobilePhone::TMobileService aExceptServiceGroup

									)

	{

	/*

	Splits one entry valid for all basic service groups into individual entries 

	and places them into a CMobilePhoneCBList. This excludes one service group.	 

	@param aCBList The list to which to store the entries

	@param aOrigEntry The original entry; details of which should be passed to individual group entries

	@param aExceptServiceGroup The group which has to be avoided

	*/

	// we have to split the entry into entries 

	// per group with the same condition; excluding the specified service group 

	RMobilePhone::TMobilePhoneCWInfoEntryV1 anotherEntry = aOrigEntry;

	//anotherEntry.iCondition = aOrigEntry.iCondition;

	//anotherEntry.iStatus = RMobilePhone::ECallBarringStatusActive;

	RMobilePhone::TMobileService service;

	for (TInt i=KMobServiceIndxStart; i<=KMobServiceIndxEnd;i++)

		{

		service=static_cast<RMobilePhone::TMobileService>(i);

		if( service != aExceptServiceGroup )

			{

			anotherEntry.iServiceGroup=service;

			aCWList->AddEntryL(anotherEntry);

			}

		}//end for (another)

	}

void CSimCallWaiting::UpdateCWListL(RMobilePhone::TMobileService* aServiceGroup, RMobilePhone::TMobilePhoneServiceAction* aAction )

	{

	/*

	Updates the status of call waiting.

	@param aServiceGroup service group to set

	@param aAction ation to be performed 

	*/

	// no sense processing if either condition or change info are NULLS 

	User::LeaveIfNull(aServiceGroup);

	User::LeaveIfNull(aAction);

	//Lets do some work then

	RMobilePhone::TMobilePhoneCWInfoEntryV1 theNewEntry;

	theNewEntry.iServiceGroup = *aServiceGroup;

	switch (*aAction)

		{

		case RMobilePhone::EServiceActionRegister:

		case RMobilePhone::EServiceActionActivate:

			theNewEntry.iStatus= RMobilePhone::ECallWaitingStatusActive;

			break;

		case RMobilePhone::EServiceActionDeactivate:

		case RMobilePhone::EServiceActionErase:

			theNewEntry.iStatus= RMobilePhone::ECallWaitingStatusNotActive;

			break;

		case RMobilePhone::EServiceActionUnspecified:

		default:

			theNewEntry.iStatus= RMobilePhone::ECallWaitingStatusUnknown;

			// no sense doing any further operation - leave

			User::Leave( KErrArgument );

			break;

		}

	// retain prev version of the list in local variable and in Cleanup stack

	CMobilePhoneCWList* thePrevCWList = CMobilePhoneCWList::NewL();

	CleanupStack::PushL(thePrevCWList);

	// copy existing data into the temp storage

	for (TInt indx=0; indx<iCWList->Enumerate(); indx++)

		{ 

		thePrevCWList->AddEntryL(iCWList->GetEntryL(indx));

		}

	delete iCWList;

	iCWList = NULL;

	// create a new version and hold it in the class member

	iCWList = CMobilePhoneCWList::NewL();

	// get a hold of it in a local variable       

	CMobilePhoneCWList* theNewCWList = iCWList;

	RMobilePhone::TMobilePhoneCWInfoEntryV1 entry;

	TInt count = thePrevCWList->Enumerate();

	if (theNewEntry.iStatus == RMobilePhone::ECallWaitingStatusActive)

		{

		if (theNewEntry.iServiceGroup==RMobilePhone::EAllServices)

			{

			theNewCWList->AddEntryL(theNewEntry);

			}

		else

			{

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

				{

				entry = thePrevCWList->GetEntryL(i);

				if(entry.iServiceGroup!=theNewEntry.iServiceGroup

					&& entry.iServiceGroup!=RMobilePhone::EAllServices)