/*

* Copyright (c) 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 "cntsimutility.h"

#include <mmtsy_names.h>

#include <startupdomainpskeys.h>

#include <e32property.h>

#include <centralrepository.h>

// Number of keys used in central repository to keep latest import date

// from SIM card: 5 IMSI strings and 5 dates. 

const int KCenRepKeysNumber = 10; 

const int KIMSISize = 15;

const int KCenRepUid = 0x200315A8;

CntSimUtility::CntSimUtility(StoreType type, int& error, QObject *parent)

    : QObject(parent),

    m_etelStoreInfoPckg(m_etelStoreInfo),

    m_serviceTablePckg(m_serviceTable),

    m_asyncWorker(NULL),

    m_activeRequest(ENoActiveRequest),

    m_securitySettings(NULL)

{

#ifdef __WINS__

    error = KErrNotSupported;

    return;

#endif

    error = m_etelServer.Connect();

    if (error == KErrNone) {

        error = m_etelServer.LoadPhoneModule(KMmTsyModuleName);

    }

    if (error == KErrNone) {

        RTelServer::TPhoneInfo info;

        error = m_etelServer.GetPhoneInfo(0, info);

        if (error == KErrNone) {

            error = m_etelPhone.Open(m_etelServer, info.iName);

        }

    }

    if (error == KErrNone) {

        // open specified Etel store

        if (type == AdnStore) {

            error = m_etelStore.Open(m_etelPhone, KETelIccAdnPhoneBook);

        }

        else if (type == SdnStore) {

            error = m_etelStore.Open(m_etelPhone, KETelIccSdnPhoneBook);

        }

        else if (type == FdnStore) {

            error = m_etelStore.Open(m_etelPhone, KETelIccFdnPhoneBook);

        }

        else {

            error = KErrNotSupported;

        }

    }

    if (error == KErrNone) {

        error = m_customPhone.Open(m_etelPhone);

    }

    if (error == KErrNone) {

        TRAP(error, 

                m_asyncWorker = new (ELeave)AsyncWorker(this);

                TSecUi::InitializeLibL();

                m_securitySettings = CSecuritySettings::NewL();

            );

    }

}

CntSimUtility::~CntSimUtility()

{

    m_etelStore.Close();

    m_etelPhone.Close();

    m_etelServer.Close();

    delete m_asyncWorker;

    delete m_securitySettings;

    TSecUi::UnInitializeLib();

}

CntSimUtility::SimInfo CntSimUtility::getSimInfo(int& error)

{

    TRequestStatus requestStatus;

    m_etelStore.GetInfo(requestStatus, (TDes8&)m_etelStoreInfoPckg);

    User::WaitForRequest(requestStatus);

    error = requestStatus.Int();

    SimInfo results;

    if (error == KErrNone) {

        results.totalEntries = m_etelStoreInfo.iTotalEntries;

        results.usedEntries = m_etelStoreInfo.iUsedEntries;

        results.maxNumLength = m_etelStoreInfo.iMaxNumLength;

        results.maxTextLength = m_etelStoreInfo.iMaxTextLength;

        results.maxSecondNames = m_etelStoreInfo.iMaxSecondNames;

        results.maxTextLengthSecondName = m_etelStoreInfo.iMaxTextLengthSecondName;

        results.maxAdditionalNumbers = m_etelStoreInfo.iMaxAdditionalNumbers;

        results.maxNumLengthAdditionalNumber = m_etelStoreInfo.iMaxNumLengthAdditionalNumber;

        results.maxTextLengthAdditionalNumber = m_etelStoreInfo.iMaxTextLengthAdditionalNumber;

        results.maxGroupNames = m_etelStoreInfo.iMaxGroupNames;

        results.maxTextLengthGroupName = m_etelStoreInfo.iMaxTextLengthGroupName;

        results.maxEmailAddr = m_etelStoreInfo.iMaxEmailAddr;

        results.maxTextLengthEmailAddr = m_etelStoreInfo.iMaxTextLengthEmailAddr;

    }

    return results;

}

CntSimUtility::AvailableStores CntSimUtility::getAvailableStores(int& error)

{

    AvailableStores availableStores;

    if (!isSimInserted()) {

        error = KErrNone;

        return availableStores;

    }

    m_serviceTableType = RMobilePhone::ESIMServiceTable;

    unsigned long int iccCaps;

    TRequestStatus requestStatus;

    int result = m_etelPhone.GetIccAccessCaps(iccCaps);

    if (result == KErrNone && (iccCaps & RMobilePhone::KCapsUSimAccessSupported)) {

        m_serviceTableType = RMobilePhone::EUSIMServiceTable;

    }

    m_etelPhone.GetServiceTable(requestStatus, m_serviceTableType, m_serviceTablePckg);

    User::WaitForRequest(requestStatus);

    error = requestStatus.Int();

    if (error == KErrNone) {

        //parse service table to find what stores are supported

         ParseServiceTable(&availableStores);

    }

    return availableStores;

}

bool CntSimUtility::verifyPin2Code()

{

    bool verified = false;

    TRAP_IGNORE(verified = m_securitySettings->AskPin2L(););

    return verified;

}

bool CntSimUtility::isFdnActive()

{

    RMobilePhone::TMobilePhoneFdnStatus fdnStatus;

    (void)m_etelPhone.GetFdnStatus(fdnStatus);

    if (fdnStatus == RMobilePhone::EFdnActive ||

        fdnStatus == RMobilePhone::EFdnPermanentlyActive) {

        return true;

        }

    return false;

}

int CntSimUtility::setFdnStatus(bool activated)

{

    RMobilePhone::TMobilePhoneFdnSetting fdnStatus = RMobilePhone::EFdnSetOff;

    if (activated) {

        fdnStatus = RMobilePhone::EFdnSetOn;

    }

    TRequestStatus status;

    m_etelPhone.SetFdnSetting(status, fdnStatus);

    User::WaitForRequest(status);

    return status.Int();

}

QDateTime CntSimUtility::getLastImportTime(int& error)

{

    error = KErrNone;

    if (!isSimInserted()) {

        error = KErrAccessDenied;

        return QDateTime();

    }

    // get IMSI

    TBuf<KIMSISize> imsiBuf;

    TRequestStatus reqStatus;

    m_etelPhone.GetSubscriberId(reqStatus, imsiBuf);

    User::WaitForRequest(reqStatus);

    if (reqStatus.Int() != KErrNone) {

        error = reqStatus.Int();

        return QDateTime();

    }

    CRepository* cenrep = NULL;

    TRAPD(err, cenrep = CRepository::NewL(TUid::Uid(KCenRepUid)));

    if (err != KErrNone) {

        error = err;

        return QDateTime();

    }

    // find current IMSI in the stored values

    int lastImportDate = 0;

    for (int i = 1; i <= KCenRepKeysNumber; i+=2) {

        TBuf<KIMSISize> storedImsiBuf;

        if (cenrep->Get(i, storedImsiBuf) == KErrNone) {

            if (storedImsiBuf.Compare(imsiBuf) == 0) {

                if (cenrep->Get(i+1, lastImportDate) == KErrNone) {

                    break;

                }

            }

        }

    }

    delete cenrep;

    cenrep = NULL;

    if (lastImportDate == 0) {

        error = KErrNotFound;

        return QDateTime();

    }

    QDateTime retLastImportDate;

    retLastImportDate.setTime_t(lastImportDate);

    return retLastImportDate;

}

void CntSimUtility::setLastImportTime(int& error)

{

    error = KErrNone;

    if (!isSimInserted()) {

        error = KErrAccessDenied;

        return;

    }

    // get IMSI

    TBuf<KIMSISize> imsiBuf;

    TRequestStatus reqStatus;

    m_etelPhone.GetSubscriberId(reqStatus, imsiBuf);

    User::WaitForRequest(reqStatus);

    if (reqStatus.Int() != KErrNone) {

        error = reqStatus.Int();

        return;

    }

    CRepository* cenrep = NULL;

    TRAPD(err, cenrep = CRepository::NewL(TUid::Uid(KCenRepUid)));

    if (err != KErrNone) {

        error = err;

        return;

    }

    // find current IMSI in the stored values

    int lastImportDate = QDateTime::currentDateTime().toTime_t();

    bool importDateUpdated = false;

    for (int i = 1; i <= KCenRepKeysNumber; i+=2) {

        TBuf<KIMSISize> storedImsiBuf;

        if (cenrep->Get(i, storedImsiBuf) == KErrNone) {

            if (storedImsiBuf.Compare(imsiBuf) == 0) {

                //current IMSI already stored, update import date

                if (cenrep->Set(i+1, lastImportDate) != KErrNone) {

                    error = KErrAccessDenied;

                }

                importDateUpdated = true;

                break;

            }

        }

    }

    if (!importDateUpdated) {

        int oldestDate = 0;

        int key = 0;

        // contacts were not imported from this SIM before,

        // find oldest import date and replace it

        for (int j = 2; j <= KCenRepKeysNumber; j+=2) {

            int date;

            if (cenrep->Get(j, date) == KErrNone) {

                if (date >= oldestDate ) {

                    oldestDate = date;

                    key = j;

                }

            }

        }

        if (key == 0) {

            error = KErrAccessDenied;

        }

        else {

            if (cenrep->Set(key, lastImportDate) != KErrNone) {

                error = KErrAccessDenied;

            }

            if (cenrep->Set(key-1, imsiBuf) != KErrNone) {

                error = KErrAccessDenied;

            }

        }

    }

    delete cenrep;

    cenrep = NULL;

}

bool CntSimUtility::startGetSimInfo()

{

    if(m_asyncWorker->IsActive()) {

        return false;

    }

    m_etelStore.GetInfo(m_asyncWorker->iStatus, (TDes8&)m_etelStoreInfoPckg);

    m_asyncWorker->SetActive();

    m_activeRequest = EGetInfo;

    return true;

}

bool CntSimUtility::startGetAvailableStores()

{

    if(m_asyncWorker->IsActive()) {

        return false;

    }

    if (!isSimInserted()) {

        AvailableStores availableStores;

        emit availableStoresReady(availableStores, KErrNone);

        return true;

    }

    m_serviceTableType = RMobilePhone::ESIMServiceTable;

    unsigned long int iccCaps;

    TRequestStatus requestStatus;

    int result = m_etelPhone.GetIccAccessCaps(iccCaps);

    if (result == KErrNone && (iccCaps & RMobilePhone::KCapsUSimAccessSupported)) {

        m_serviceTableType = RMobilePhone::EUSIMServiceTable;

    }

    m_etelPhone.GetServiceTable(m_asyncWorker->iStatus, m_serviceTableType, m_serviceTablePckg);

    m_asyncWorker->SetActive();

    m_activeRequest = EGetAvailableStores;

    return true;

}

bool CntSimUtility::notifyAdnCacheStatus()

{

    if(m_asyncWorker->IsActive()) {

        return false;

    }

    CacheStatus cacheStatus;

    //check current cache status

    TRequestStatus requestStatus;

    RMmCustomAPI::TPndCacheStatus pndStatus;

    TName storeName;

    storeName.Copy(KETelIccAdnPhoneBook);

    m_customPhone.GetPndCacheStatus(requestStatus, pndStatus, storeName);

    User::WaitForRequest(requestStatus);

    if (requestStatus.Int() != KErrNone) {

        return false;

    }

    if (pndStatus == RMmCustomAPI::ECacheReady ||

        pndStatus == RMmCustomAPI::ECacheNotUsed) {

        cacheStatus = ECacheReady;

        emit adnCacheStatusReady(cacheStatus, KErrNone);

        return true;

        }

    else if (pndStatus == RMmCustomAPI::ECacheFailed) {

        cacheStatus = ECacheFailed;

        emit adnCacheStatusReady(cacheStatus, KErrNone);

        return true;    

        }

    else if (pndStatus == RMmCustomAPI::ECacheNotReady) {

        //wait for cache notification

        m_customPhone.NotifyPndCacheReady(m_asyncWorker->iStatus, m_etelStoreNameCached);

        m_asyncWorker->SetActive();

        m_activeRequest = EGetCacheStatus;

        return true;

    }

    else {

        return false;

    }

}

void CntSimUtility::RequestCompleted(int error)

{

    if (m_activeRequest == EGetInfo) {

        SimInfo results;

        if (error == KErrNone) {

            results.totalEntries = m_etelStoreInfo.iTotalEntries;

            results.usedEntries = m_etelStoreInfo.iUsedEntries;

            results.maxNumLength = m_etelStoreInfo.iMaxNumLength;

            results.maxTextLength = m_etelStoreInfo.iMaxTextLength;

            results.maxSecondNames = m_etelStoreInfo.iMaxSecondNames;

            results.maxTextLengthSecondName = m_etelStoreInfo.iMaxTextLengthSecondName;

            results.maxAdditionalNumbers = m_etelStoreInfo.iMaxAdditionalNumbers;

            results.maxNumLengthAdditionalNumber = m_etelStoreInfo.iMaxNumLengthAdditionalNumber;

            results.maxTextLengthAdditionalNumber = m_etelStoreInfo.iMaxTextLengthAdditionalNumber;

            results.maxGroupNames = m_etelStoreInfo.iMaxGroupNames;

            results.maxTextLengthGroupName = m_etelStoreInfo.iMaxTextLengthGroupName;

            results.maxEmailAddr = m_etelStoreInfo.iMaxEmailAddr;

            results.maxTextLengthEmailAddr = m_etelStoreInfo.iMaxTextLengthEmailAddr;

        }

        emit simInfoReady(results, error);

    }//EGetInfo

    else if (m_activeRequest == EGetAvailableStores) {

        AvailableStores availableStores;

        if (error == KErrNone) {

            //parse service table to find what stores are supported

            ParseServiceTable(&availableStores);

        }

        emit availableStoresReady(availableStores, error);

    }//EGetAvailableStores

    else if (m_activeRequest == EGetCacheStatus) {

        if ( m_etelStoreNameCached.Compare(KETelIccAdnPhoneBook) == 0) {

            //ADN cache is ready

            CacheStatus cacheStatus;

            if (error != KErrNone) {

                cacheStatus = ECacheFailed;

                emit adnCacheStatusReady(cacheStatus, error);

            }

            else {

                cacheStatus = ECacheReady;

                emit adnCacheStatusReady(cacheStatus, error);

            }

        }

        else {

            //another store is cached, continue listening for ADN cache

            notifyAdnCacheStatus();

        }

    }//EGetCacheStatus

    if (!m_asyncWorker->IsActive()) {

        m_activeRequest = ENoActiveRequest;

    }

}

void CntSimUtility::ParseServiceTable(AvailableStores* availableStores) const

{

    availableStores->SimPresent = true;

    if (m_serviceTableType == RMobilePhone::EUSIMServiceTable) {

        //ADN store is always present if SIM card is inserted

        availableStores->AdnStorePresent = true;

        if (m_serviceTable.iServices1To8 & RMobilePhone::KUstSDN ) {

            availableStores->SdnStorePresent = true;

        }

        else {

            availableStores->SdnStorePresent = false;

        }

        if (m_serviceTable.iServices1To8 & RMobilePhone::KUstFDN) {

            availableStores->FdnStorePresent = true;

        }

        else {

            availableStores->FdnStorePresent = false;

        }

    }

    else if (m_serviceTableType == RMobilePhone::ESIMServiceTable) {

        //ADN store is always present if SIM card is inserted

        availableStores->AdnStorePresent = true;

        if (m_serviceTable.iServices17To24 & RMobilePhone::KSstSDN) {

            availableStores->SdnStorePresent = true;

        }

        else {

            availableStores->SdnStorePresent = false;

        }

        if (m_serviceTable.iServices1To8 & RMobilePhone::KSstFDN) {

            availableStores->FdnStorePresent = true;

        }

        else {

            availableStores->FdnStorePresent = false;

        }

    }

}

bool CntSimUtility::isSimInserted() const

{

    bool result = false;

    RProperty property;   

    int simStatus = KErrNotFound;

    int ret = property.Get(KPSUidStartup, KPSSimStatus, simStatus);

    if (simStatus == ESimUsable && ret == KErrNone) {

        result = true;

        }

    property.Close();

    return result;

}