// Copyright (c) 1997-2009 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:

//

/**

 @file

*/

#include <commsdattypesv1_1.h>

#include <cdbcols.h>

#include "smspmain.h"

#include "smsuset.h"

#include "smspcdb.h"

#include "SmsuTimer.h"

using namespace CommsDat;

/**

 *  2 phase constructor.

 *  

 *  @param aSmsSettings a reference to the global SMS settings.

 *  @param aSmsMessaging a reference to the ETEL SMS messaging subsession.

 *  @param aPriority of the request.

 *  @leave Leaves if ContructL() leaves, or not enough memory is available.

 *  @return a new CSmspSetBearer object

 */

CSmspSetBearer* CSmspSetBearer::NewL(const TSmsSettings& aSmsSettings,RMobileSmsMessaging& aSmsMessaging, TInt aPriority)

	{

	LOGSMSPROT2("CSmspSetBearer::NewL aPriority = %d", aPriority);

	CSmspSetBearer* smsSetBearer=new(ELeave) CSmspSetBearer(aSmsSettings,aSmsMessaging, aPriority);

	CleanupStack::PushL(smsSetBearer);

	smsSetBearer->ConstructL();

	CleanupStack::Pop();

	return smsSetBearer;

	} // CSmspSetBearer::NewL

/**

 *  2-phase constructor, perform construction that can leave

 */

void CSmspSetBearer::ConstructL()

	{

	LOGSMSPROT1("CSmspSetBearer::ConstructL()");

	CSmspCommDbEvent::ConstructL();

	User::LeaveIfError(iProperty.Attach(KUidSystemCategory, KUidCommDbSMSBearerChange.iUid));

	} // CSmspSetBearer::ConstructL

/**

 *  Private constructor used in the first phase of construction.

 *  

 *  @param aSmsSettings a reference to the global SMS settings.

 *  @param aSmsMessaging a reference to the ETEL SMS messaging subsession.

 *  @param aPriority of the request.

 *  

 */

CSmspSetBearer::CSmspSetBearer(const TSmsSettings& aSmsSettings, RMobileSmsMessaging& aSmsMessaging, TInt aPriority)

	:CSmspCommDbEvent(aSmsSettings, aSmsMessaging, aPriority)

	,iState(ESmsSetBearerStateInit)

	{

	} // CSmspSetBearer::CSmspSetBearer

/**

 *  CSmspSetBearer destructor

 */

CSmspSetBearer::~CSmspSetBearer()

	{

	Cancel();

	} // CSmspSetBearer::~CSmspSetBearer

/**

 *  Notifies if SMS bearer is set to the TSY. Start setting bearer

 *  process if bearer is not set.

 */

void CSmspSetBearer::NotifyBearerSet(TRequestStatus& aStatus)

	{

	LOGSMSPROT2("CSmspSetBearer::NotifyBearerSet, aStatus = %d", aStatus.Int());

	if (!iBearerSet && IsActive())

		{

		Cancel();

		}

	Queue(aStatus);

	if (iBearerSet)

		{

		LOGSMSPROT1("CSmspSetBearer::NotifyBearerSet RequestComplete called");

		CSmsuActiveBase::Complete(KErrNone);

		}

	else

		{

		LOGSMSPROT1("CSmspSetBearer::NotifyBearerSet started");

		Start();

		}

	} // CSmspSetBearer::NotifyBearerSet

/**

 *  Starts the sequence for configuring the current SMS bearer on the phone/TSY.

 */

void CSmspSetBearer::Start()

	{

	LOGSMSPROT1("CSmspSetBearer::Start");

	// Cancel any outstanding request

	TRAPD(err, GetSmsBearerL(iBearer));

	iBearerSet = EFalse;

	if (err == KErrNone)

		{

		LOGSMSPROT2("CSmspSetBearer::GetSmsBearerL() left with %d", err);

		// Set the previous bearer to the one that has been read

		// from CommDB so that iPreviousBearer has an initial value

		// when the smsstack is first started.

		iPreviousBearer = iBearer;

		SetSmsBearer();

		}

	else

		{

		LOGSMSPROT2("CSmspSetBearer::Start failed to get SMS bearer, error = %d", err);

		Complete(err);

		}

	} // CSmspSetBearer::Start

/**

 *  Handles a completed request.

 *  

 *  Makes a state transition based on the result of the request and current state.

 *  

 *  @leave Panic if RunL is called while object is in idle state.

 */

void CSmspSetBearer::DoRunL()

	{

	LOGSMSPROT3("CSmspSetBearer::DoRunL(): iState=%d iStatus=%d", iState, iStatus.Int());

	switch (iState)

		{

		case ESmsSetBearerNotifyOnEvent:

			{

			if (iStatus.Int() == KErrNone)

				{

				TInt tempBearer;

#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

				CMDBSession *dbSession = CMDBSession::NewL(KCDVersion1_2);

#else

				CMDBSession *dbSession = CMDBSession::NewL(KCDVersion1_1);

#endif

				CleanupStack::PushL(dbSession);

				CMDBRecordSet<CCDGlobalSettingsRecord> globalSettingsRecord(KCDTIdGlobalSettingsRecord);

				TRAPD(err, globalSettingsRecord.LoadL(*dbSession));

				if (err != KErrNone)

					{

					LOGSMSPROT2("CSmspSetBearer::DoRunL, could not load global settings, leave error code = %d", err);

					User::Leave(err);

					}

				iPreviousBearer = iBearer;

				LOGSMSPROT2("CSmspSetBearer::DoRunL Storing previous bearer setting. Previous bearer now = %d", iBearer);

				tempBearer = ((CCDGlobalSettingsRecord*)globalSettingsRecord.iRecords[0])->iSMSBearer;

				iBearer = static_cast<RMobileSmsMessaging::TMobileSmsBearer>(tempBearer);

				CleanupStack::PopAndDestroy(dbSession);

				SetSmsBearer();

				}

			else

				{

				NotifyOnEvent();

				}

			}

			break;

		case ESmsSetBearerStateSettingBearer:

			{

			if (iStatus.Int() == KErrNone)

				{

				iBearerSet = ETrue;

				}

			else

				{

				// Set bearer to previous value, if status!=KErrNone

				// (e.g. KErrNotSupported)

				// Set global setting to previous value,

				// then complete.

				LOGSMSPROT3("CSmspSetBearer::DoRunL TSY failed to set MO SMS bearer. status = %d. Bearer = %d", iStatus.Int(), iBearer);

				iBearer = iPreviousBearer;

				LOGSMSPROT2("CSmspSetBearer::DoRunL Setting bearer back to previous setting. Bearer = %d", iBearer);

#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

				CMDBSession *dbSession = CMDBSession::NewL(KCDVersion1_2);

#else

				CMDBSession *dbSession = CMDBSession::NewL(KCDVersion1_1);

#endif

				CleanupStack::PushL(dbSession);

				CMDBRecordSet<CCDGlobalSettingsRecord> globalSettingsRecord(KCDTIdGlobalSettingsRecord);

				TRAPD(err, globalSettingsRecord.LoadL(*dbSession));

				if (err != KErrNone)

					{

					LOGSMSPROT2("CSmspSetBearer::DoRunL could not load global settings, error = %d", err);

					User::Leave(err);

					}

				((CCDGlobalSettingsRecord*)globalSettingsRecord.iRecords[0])->iSMSBearer = iPreviousBearer;

				TRAP(err, globalSettingsRecord.ModifyL(*dbSession));

				if (err != KErrNone)

					{

					LOGSMSPROT2("CSmspSetBearer::DoRunL could not modify global settings, error = %d", err);

					User::Leave(err);

					}

				CleanupStack::PopAndDestroy(dbSession);

				}

			}

			break;

		default:

			{

			SmspPanic(KSmspPanicUnexpectedState);

			}

			break;

		}

	//

	// DoRunL() will now return to CSmsuActiveBase which if the object

	// is not active, will call Complete().

	//

	} // CSmspSetBearer::DoRunL

/**

 *  Handles a request to cancel the state machine.

 *  Cancels any outstanding request and calls Complete().

 */

void CSmspSetBearer::DoCancel()

	{

	LOGSMSPROT1("CSmspSetBearer::DoCancel");

	TimedSetActiveCancel();

	// Explicitly set iBearerSet to false to ensure new bearer is set on each execution

	iBearerSet = EFalse;

	switch (iState)

		{

		case ESmsSetBearerStateInit:

			{

			// NOP

			}

			break;

		case ESmsSetBearerStateSettingBearer:

			{

			iSmsMessaging.CancelAsyncRequest(EMobileSmsMessagingSetMoSmsBearer);

			}

			break;

		case ESmsSetBearerNotifyOnEvent:

			{

			iProperty.Cancel();

			}

			break;

		default:

			{

			SmspPanic(KSmspPanicUnexpectedState);

			}

			break;

		}

	//

	// Handle completion of this Active Object. Note that the object

	// may well still be active at this point...

	//

	if (TimedOut())

		{

		Complete(KErrTimedOut);

		}

	else

		{

		Complete(KErrCancel);

		}

	} // CSmspSetBearer::DoCancel

/**

 *  Performs the state transition to CSmspSetBearer::ESmsSetBearerStateQueryingCommDb by

 *  querying CommDB for the current value.

 *  

 *  @param aBearer a reference to the TMobileSmsBearer.

 */

void CSmspSetBearer::GetSmsBearerL(RMobileSmsMessaging::TMobileSmsBearer& aBearer)

	{

	LOGSMSPROT1("CSmspSetBearer::GetSmsBearerL()");

#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

	CMDBSession* sess = CMDBSession::NewL(KCDVersion1_2);

#else

	CMDBSession* sess = CMDBSession::NewL(KCDVersion1_1);

#endif

	CleanupStack::PushL(sess);

	CMDBField<TUint32>* smsBearerField = NULL;

	smsBearerField = new(ELeave) CMDBField<TUint32>(KCDTIdSMSBearer);

	CleanupStack::PushL(smsBearerField);

	smsBearerField->SetRecordId(1);

	smsBearerField->LoadL(*sess);

	aBearer = static_cast<RMobileSmsMessaging::TMobileSmsBearer>(static_cast<TUint32>(*smsBearerField));

	LOGSMSPROT2("CSmspSetBearer::GetSmsBearerL(): aBearer=%d", aBearer);

	CleanupStack::PopAndDestroy(smsBearerField);

	CleanupStack::PopAndDestroy(sess);

	} // CSmspSetBearer::GetSmsBearerL

/**

 *  Performs the state transition to CSmspSetBearer::ESmsSetBearerStateSettingBearer

 *  by trying to set the sms bearer on the phone/TSY.

 */

void CSmspSetBearer::SetSmsBearer()

	{

	LOGSMSPROT2("CSmspSetBearer::SetSmsBearer, iBearer = %d", iBearer);

	iBearerSet = EFalse;

	iState = ESmsSetBearerStateSettingBearer;

	iSmsMessaging.SetMoSmsBearer(iStatus, iBearer);

	TimedSetActive(iSmsSettings.Timeout());

	} // CSmspSetBearer::SetSmsBearer

/**

 *  Wait for notification from property for when the CommDB global setting SMS_BEARER changes

 */

void CSmspSetBearer::NotifyOnEvent()

	{

	LOGSMSPROT1("CSmspSetBearer::NotifyOnEvent");

	iState = ESmsSetBearerNotifyOnEvent;

	CSmspCommDbEvent::NotifyOnEvent();

	} // CSmspSetBearer::NotifyOnEvent