// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).+
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// All rights reserved.+
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// This component and the accompanying materials are made available+
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// under the terms of "Eclipse Public License v1.0"+
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// which accompanies this distribution, and is available+
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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//+
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// Initial Contributors:+
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// Nokia Corporation - initial contribution.+
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//+
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// Contributors:+
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//+
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// Description:+
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//+
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+
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/**+
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 @file+
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*/+
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+
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#include <commsdattypesv1_1.h>+
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#include <cdbcols.h>+
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#include "smspmain.h"+
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#include "smsuset.h"+
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#include "smspcdb.h"+
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#include "SmsuTimer.h"+
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+
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using namespace CommsDat;+
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+
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+
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/**+
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 *  2 phase constructor.+
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 *  +
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 *  @param aSmsSettings a reference to the global SMS settings.+
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 *  @param aSmsMessaging a reference to the ETEL SMS messaging subsession.+
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 *  @param aPriority of the request.+
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 *  @leave Leaves if ContructL() leaves, or not enough memory is available.+
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 *  @return a new CSmspSetBearer object+
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 */+
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CSmspSetBearer* CSmspSetBearer::NewL(const TSmsSettings& aSmsSettings,RMobileSmsMessaging& aSmsMessaging, TInt aPriority)+
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	{+
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	LOGSMSPROT2("CSmspSetBearer::NewL aPriority = %d", aPriority);+
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+
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	CSmspSetBearer* smsSetBearer=new(ELeave) CSmspSetBearer(aSmsSettings,aSmsMessaging, aPriority);+
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	CleanupStack::PushL(smsSetBearer);+
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	smsSetBearer->ConstructL();+
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	CleanupStack::Pop();+
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+
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	return smsSetBearer;+
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	} // CSmspSetBearer::NewL+
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+
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+
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/**+
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 *  2-phase constructor, perform construction that can leave+
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 */+
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void CSmspSetBearer::ConstructL()+
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	{+
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	LOGSMSPROT1("CSmspSetBearer::ConstructL()");+
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+
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	CSmspCommDbEvent::ConstructL();+
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+
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	User::LeaveIfError(iProperty.Attach(KUidSystemCategory, KUidCommDbSMSBearerChange.iUid));+
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	} // CSmspSetBearer::ConstructL+
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+
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+
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/**+
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 *  Private constructor used in the first phase of construction.+
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 *  +
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 *  @param aSmsSettings a reference to the global SMS settings.+
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 *  @param aSmsMessaging a reference to the ETEL SMS messaging subsession.+
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 *  @param aPriority of the request.+
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 *  +
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 */+
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CSmspSetBearer::CSmspSetBearer(const TSmsSettings& aSmsSettings, RMobileSmsMessaging& aSmsMessaging, TInt aPriority)+
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	:CSmspCommDbEvent(aSmsSettings, aSmsMessaging, aPriority)+
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	,iState(ESmsSetBearerStateInit)+
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	{+
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	} // CSmspSetBearer::CSmspSetBearer+
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+
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+
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/**+
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 *  CSmspSetBearer destructor+
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 */+
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CSmspSetBearer::~CSmspSetBearer()+
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	{+
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	Cancel();+
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	} // CSmspSetBearer::~CSmspSetBearer+
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+
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+
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/**+
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 *  Notifies if SMS bearer is set to the TSY. Start setting bearer+
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 *  process if bearer is not set.+
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 */+
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void CSmspSetBearer::NotifyBearerSet(TRequestStatus& aStatus)+
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	{+
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	LOGSMSPROT2("CSmspSetBearer::NotifyBearerSet, aStatus = %d", aStatus.Int());+
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	if (!iBearerSet && IsActive())+
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		{+
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		Cancel();+
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		}+
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+
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	Queue(aStatus);+
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+
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	if (iBearerSet)+
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		{+
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		LOGSMSPROT1("CSmspSetBearer::NotifyBearerSet RequestComplete called");+
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		CSmsuActiveBase::Complete(KErrNone);+
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		}+
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	else+
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		{+
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		LOGSMSPROT1("CSmspSetBearer::NotifyBearerSet started");+
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		Start();+
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		}+
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	} // CSmspSetBearer::NotifyBearerSet+
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+
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+
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/**+
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 *  Starts the sequence for configuring the current SMS bearer on the phone/TSY.+
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 */+
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void CSmspSetBearer::Start()+
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	{+
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	LOGSMSPROT1("CSmspSetBearer::Start");+
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	// Cancel any outstanding request+
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	TRAPD(err, GetSmsBearerL(iBearer));+
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+
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	iBearerSet = EFalse;+
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+
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	if (err == KErrNone)+
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		{+
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		LOGSMSPROT2("CSmspSetBearer::GetSmsBearerL() left with %d", err);+
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+
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		// Set the previous bearer to the one that has been read+
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		// from CommDB so that iPreviousBearer has an initial value+
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		// when the smsstack is first started.+
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		iPreviousBearer = iBearer;+
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		SetSmsBearer();+
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		}+
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	else+
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		{+
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		LOGSMSPROT2("CSmspSetBearer::Start failed to get SMS bearer, error = %d", err);+
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		Complete(err);+
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		}+
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	} // CSmspSetBearer::Start+
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+
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+
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/**+
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 *  Handles a completed request.+
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 *  +
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 *  Makes a state transition based on the result of the request and current state.+
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 *  +
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 *  @leave Panic if RunL is called while object is in idle state.+
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 */+
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void CSmspSetBearer::DoRunL()+
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	{+
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	LOGSMSPROT3("CSmspSetBearer::DoRunL(): iState=%d iStatus=%d", iState, iStatus.Int());+
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+
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	switch (iState)+
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		{+
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		case ESmsSetBearerNotifyOnEvent:+
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			{+
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			if (iStatus.Int() == KErrNone)+
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				{+
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				TInt tempBearer;+
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#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY+
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				CMDBSession *dbSession = CMDBSession::NewL(KCDVersion1_2);+
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#else+
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				CMDBSession *dbSession = CMDBSession::NewL(KCDVersion1_1);+
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#endif+
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				CleanupStack::PushL(dbSession);+
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				CMDBRecordSet<CCDGlobalSettingsRecord> globalSettingsRecord(KCDTIdGlobalSettingsRecord);+
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				TRAPD(err, globalSettingsRecord.LoadL(*dbSession));+
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				if (err != KErrNone)+
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					{+
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					LOGSMSPROT2("CSmspSetBearer::DoRunL, could not load global settings, leave error code = %d", err);+
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					User::Leave(err);+
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					}+
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+
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				iPreviousBearer = iBearer;+
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+
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				LOGSMSPROT2("CSmspSetBearer::DoRunL Storing previous bearer setting. Previous bearer now = %d", iBearer);+
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+
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				tempBearer = ((CCDGlobalSettingsRecord*)globalSettingsRecord.iRecords[0])->iSMSBearer;+
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				iBearer = static_cast<RMobileSmsMessaging::TMobileSmsBearer>(tempBearer);+
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+
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				CleanupStack::PopAndDestroy(dbSession);+
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+
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				SetSmsBearer();+
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				}+
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			else+
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				{+
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				NotifyOnEvent();+
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				}+
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			}+
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			break;+
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+
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		case ESmsSetBearerStateSettingBearer:+
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			{+
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			if (iStatus.Int() == KErrNone)+
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				{+
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				iBearerSet = ETrue;+
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				}+
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			else+
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				{+
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				// Set bearer to previous value, if status!=KErrNone+
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				// (e.g. KErrNotSupported)+
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				// Set global setting to previous value,+
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				// then complete.+
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				LOGSMSPROT3("CSmspSetBearer::DoRunL TSY failed to set MO SMS bearer. status = %d. Bearer = %d", iStatus.Int(), iBearer);+
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+
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				iBearer = iPreviousBearer;+
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				LOGSMSPROT2("CSmspSetBearer::DoRunL Setting bearer back to previous setting. Bearer = %d", iBearer);+
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+
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#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY+
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				CMDBSession *dbSession = CMDBSession::NewL(KCDVersion1_2);+
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#else+
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				CMDBSession *dbSession = CMDBSession::NewL(KCDVersion1_1);+
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#endif+
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				CleanupStack::PushL(dbSession);+
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				CMDBRecordSet<CCDGlobalSettingsRecord> globalSettingsRecord(KCDTIdGlobalSettingsRecord);+
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				TRAPD(err, globalSettingsRecord.LoadL(*dbSession));+
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				if (err != KErrNone)+
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					{+
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					LOGSMSPROT2("CSmspSetBearer::DoRunL could not load global settings, error = %d", err);+
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					User::Leave(err);+
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					}+
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+
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				((CCDGlobalSettingsRecord*)globalSettingsRecord.iRecords[0])->iSMSBearer = iPreviousBearer;+
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				TRAP(err, globalSettingsRecord.ModifyL(*dbSession));+
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				if (err != KErrNone)+
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					{+
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					LOGSMSPROT2("CSmspSetBearer::DoRunL could not modify global settings, error = %d", err);+
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					User::Leave(err);+
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					}+
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+
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				CleanupStack::PopAndDestroy(dbSession);+
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				}+
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			}+
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			break;+
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+
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		default:+
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			{+
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			SmspPanic(KSmspPanicUnexpectedState);+
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			}+
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			break;+
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		}+
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+
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	//+
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	// DoRunL() will now return to CSmsuActiveBase which if the object+
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	// is not active, will call Complete().+
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	//+
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	} // CSmspSetBearer::DoRunL+
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+
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+
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/**+
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 *  Handles a request to cancel the state machine.+
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 *  Cancels any outstanding request and calls Complete().+
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 */+
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void CSmspSetBearer::DoCancel()+
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	{+
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	LOGSMSPROT1("CSmspSetBearer::DoCancel");+
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+
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	TimedSetActiveCancel();+
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+
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	// Explicitly set iBearerSet to false to ensure new bearer is set on each execution+
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	iBearerSet = EFalse;+
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+
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	switch (iState)+
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		{+
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		case ESmsSetBearerStateInit:+
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			{+
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			// NOP+
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			}+
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			break;+
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			+
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		case ESmsSetBearerStateSettingBearer:+
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			{+
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			iSmsMessaging.CancelAsyncRequest(EMobileSmsMessagingSetMoSmsBearer);+
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			}+
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			break;+
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+
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		case ESmsSetBearerNotifyOnEvent:+
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			{+
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			iProperty.Cancel();+
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			}+
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			break;+
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+
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		default:+
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			{+
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			SmspPanic(KSmspPanicUnexpectedState);+
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			}+
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			break;+
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		}+
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+
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	//+
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	// Handle completion of this Active Object. Note that the object+
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	// may well still be active at this point...+
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	//+
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	if (TimedOut())+
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		{+
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		Complete(KErrTimedOut);+
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		}+
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	else+
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		{+
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		Complete(KErrCancel);+
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		}+
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	} // CSmspSetBearer::DoCancel+
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+
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+
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/**+
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 *  Performs the state transition to CSmspSetBearer::ESmsSetBearerStateQueryingCommDb by+
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 *  querying CommDB for the current value.+
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 *  +
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 *  @param aBearer a reference to the TMobileSmsBearer.+
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 */+
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void CSmspSetBearer::GetSmsBearerL(RMobileSmsMessaging::TMobileSmsBearer& aBearer)+
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	{+
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	LOGSMSPROT1("CSmspSetBearer::GetSmsBearerL()");+
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	+
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#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY+
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	CMDBSession* sess = CMDBSession::NewL(KCDVersion1_2);+
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#else+
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	CMDBSession* sess = CMDBSession::NewL(KCDVersion1_1);+
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#endif+
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	CleanupStack::PushL(sess);+
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+
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	CMDBField<TUint32>* smsBearerField = NULL;+
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+
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	smsBearerField = new(ELeave) CMDBField<TUint32>(KCDTIdSMSBearer);+
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	CleanupStack::PushL(smsBearerField);+
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+
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	smsBearerField->SetRecordId(1);+
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	smsBearerField->LoadL(*sess);+
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+
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	aBearer = static_cast<RMobileSmsMessaging::TMobileSmsBearer>(static_cast<TUint32>(*smsBearerField));+
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	LOGSMSPROT2("CSmspSetBearer::GetSmsBearerL(): aBearer=%d", aBearer);+
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+
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	CleanupStack::PopAndDestroy(smsBearerField);+
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	CleanupStack::PopAndDestroy(sess);+
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	} // CSmspSetBearer::GetSmsBearerL+
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+
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+
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/**+
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 *  Performs the state transition to CSmspSetBearer::ESmsSetBearerStateSettingBearer+
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 *  by trying to set the sms bearer on the phone/TSY.+
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 */+
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void CSmspSetBearer::SetSmsBearer()+
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	{+
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	LOGSMSPROT2("CSmspSetBearer::SetSmsBearer, iBearer = %d", iBearer);+
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+
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	iBearerSet = EFalse;+
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	iState = ESmsSetBearerStateSettingBearer;+
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+
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	iSmsMessaging.SetMoSmsBearer(iStatus, iBearer);+
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	TimedSetActive(iSmsSettings.Timeout());+
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	} // CSmspSetBearer::SetSmsBearer+
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+
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+
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/**+
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 *  Wait for notification from property for when the CommDB global setting SMS_BEARER changes+
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 */+
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void CSmspSetBearer::NotifyOnEvent()+
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	{+
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	LOGSMSPROT1("CSmspSetBearer::NotifyOnEvent");+
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+
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	iState = ESmsSetBearerNotifyOnEvent;+
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	CSmspCommDbEvent::NotifyOnEvent();+
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	} // CSmspSetBearer::NotifyOnEvent+
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