/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  class implementation

*

*/

#include <etel.h>

#include <etelmm.h>

#include <mmtsy_names.h>

#include "sysinfoservice.h"

#include "sysnetworkrequest.h"

#include "entitykeys.h"

#include "sysrequest.h"

#include "sysinfoutils.h"

// --------------------------------------------------------------------

// CNetwork::CNetwork()

// C++ default constructor.

// --------------------------------------------------------------------

//

CNetwork::CNetwork( TSysRequest::TRequestType aReqType, TInt32 aTransID,

                TInt aNetworkInfoType, ISystemObserver* aObsrver )

                :CActiveRequest(aReqType,aTransID,aObsrver),

				iNetworkInfoType((TNetInfoType)aNetworkInfoType),

                iNetworkInfoBuf(iNetworkInfo), iIsThresholdSet(EFalse)

    {

    }

// --------------------------------------------------------------------

// CNetwork::~CNetwork()

// Destructor

// --------------------------------------------------------------------

//

CNetwork::~CNetwork()

    {

    Cancel();

    iMobilePhone.Close();

    iTelServer.Close();

    delete iEntity;

    delete iKey;

    }

// --------------------------------------------------------------------

// CNetwork::NewL()

// Two-phased constructor, returns instance of this class.

// --------------------------------------------------------------------

//

CNetwork* CNetwork::NewL( const TSysRequest& aRequest,TInt aNetworkInfoType )

    {

    CNetwork* self;

    self = new (ELeave) CNetwork(aRequest.RequestType(), aRequest.TransactionID(),

                                aNetworkInfoType, aRequest.Observer() );

    CleanupStack::PushL(self);

    self->ConstructL(aRequest);

    CleanupStack::Pop(self);

    return self;

    }

// --------------------------------------------------------------------

// CNetwork::ConstructL()

// 2nd Phase constructor to allocate required resources for this obj.

// --------------------------------------------------------------------

//

void CNetwork::ConstructL(const TSysRequest& aRequest)

    {

    //For Network signal strength and battery user can specify threshold.

    if( TSysRequest::ENotification == RequestType() &&

        (ESignalStrength == iNetworkInfoType || 

            EBatteryStrength == iNetworkInfoType) )

        {

        const CSysData* Input = aRequest.SystemData();

        // check if any input parameter

        if(Input)

            {

            //perform parameter validation.

            if( CSysData::EStatus != Input->DataType())

            User::Leave(KErrArgument);

            //get threshold value.

            iThreshold = ((CStatus*)Input)->Status();

            iIsThresholdSet = ETrue;

            }

        }

    //Create a handle to RMobile

    User::LeaveIfError(RPhoneInstance::Connect( iTelServer,iMobilePhone ));

    // Make local copy of SA.

    iEntity = aRequest.Entity().AllocL();

    iKey	= aRequest.Key().AllocL();

    }

// --------------------------------------------------------------------

// CNetwork::Request()

// Issues network request.

// --------------------------------------------------------------------

//

TInt CNetwork::Request()

    {

    TSysRequest::TRequestType ReqType = RequestType();

    if( !IsActive() )

        {

        // Issue request based on request type.

        if(TSysRequest::EASyncONESHOT == ReqType)

            {

            switch(iNetworkInfoType)

                {

                case ESignalStrength:

                    iMobilePhone.GetSignalStrength(iStatus,iSignalStrength,iBar); 

                    break;

// HomeNetwork info require ReadDeviceData, which is not user grantable permission, and 

// is currently not supported.                    

#ifdef _REQUIRE_READDEVICEDATA_

                case EHomeNetworkInfo:

                    iMobilePhone.GetHomeNetwork( iStatus, iNetworkInfoBuf ); 

                    break;

#endif

                case ECurrentNetworkInfo:

                    iMobilePhone.GetCurrentNetwork(iStatus,iNetworkInfoBuf,iArea); 

                    break;

                case EBatteryStrength:

                    iMobilePhone.GetBatteryInfo(iStatus,iBatteryInfo); 

                    break;

                default:

                    return KErrNotFound;

                }

            }

        else //Notification.

            {

            switch(iNetworkInfoType)

                {

                case ESignalStrength:

                    iMobilePhone.NotifySignalStrengthChange(iStatus,iSignalStrength,iBar); 

                    break;

                case ECurrentNetworkInfo:

                case ELocationAreaCode:

                case ECellId:

                    iMobilePhone.NotifyCurrentNetworkChange(iStatus,iNetworkInfoBuf,iArea); 

                    break;

                case EBatteryStrength:

                    iMobilePhone.NotifyBatteryInfoChange(iStatus,iBatteryInfo); 

                    break;

                default:

                    return KErrNotFound;

                }

            }

        SetActive ();

        }

    return KErrNone;

    }

// --------------------------------------------------------------------

// CNetwork::RunL()

// Gets called in event of request completion or error situation.

// --------------------------------------------------------------------

//

void CNetwork::RunL()

    {

    TSysRequest::TRequestType ReqType = RequestType();

    CSysData* OutputParam = NULL;

    TInt32 transId = this->TransactionID();

    TInt error( iStatus.Int() );

    if(KErrNone == error)

        {

        switch(iNetworkInfoType)

            {

            case ESignalStrength:

                //if threshold not specified. notify every change.

                if( !iIsThresholdSet )

                    OutputParam = CStatus::NewL(iSignalStrength);

                else if( (iSignalStrength > iThreshold) )

                    OutputParam = CStatus::NewL(iSignalStrength);

                break;

            case EHomeNetworkInfo:

            case ECurrentNetworkInfo:

                OutputParam = CNetworkInfo::NewL(iNetworkInfo,iArea);

                break;

            case ELocationAreaCode:

                if( iArea.iAreaKnown && iLocationAreaCodeOld != iArea.iLocationAreaCode )

                    {

                    OutputParam = CStatus::NewL(iArea.iLocationAreaCode);

                    iLocationAreaCodeOld = iArea.iLocationAreaCode;

                    }

                break;	

            case ECellId:

                if( iArea.iAreaKnown && iCellIdOld != iArea.iCellId )

                    {

                    OutputParam = CStatus::NewL(iArea.iCellId);

                    iCellIdOld = iArea.iCellId;

                    }

                break;	

            case EBatteryStrength:

                //if threshold not specified. notify every change.

                if( !iIsThresholdSet )

                    OutputParam = CStatus::NewL(iBatteryInfo.iChargeLevel);

                else if( (iSignalStrength <= iThreshold) )

                    OutputParam = CStatus::NewL(iBatteryInfo.iChargeLevel);

                break;

            default:

                break;

            }

        //In case notification Re-Issue Request.

        if (TSysRequest::ENotification == ReqType)

            Request();

        //Notify only if threshold reached.

        if(OutputParam)

            TRAP_IGNORE(SystemObserver()->HandleResponseL(*iEntity,*iKey,OutputParam,transId,RequestType(),error));

        }

    //If error

    else

        {

        TRAP_IGNORE(SystemObserver()->HandleResponseL(*iEntity,*iKey,NULL,transId,RequestType(),error));

        ActiveStore::RemoveRequest(TransactionID());

        }

    //If its a ONSHOT Requeust remove this from active store.

    if (TSysRequest::EASyncONESHOT == ReqType)

        ActiveStore::RemoveRequest(transId);

    }

// --------------------------------------------------------------------

// CNetwork::DoCancel()

// cancels ongoing network request.

// --------------------------------------------------------------------

//

void CNetwork::DoCancel()

    {

    TSysRequest::TRequestType ReqType = RequestType();

    //Cancel request based on type of request.

    if(TSysRequest::EASyncONESHOT == ReqType)

        {

        switch(iNetworkInfoType)

            {

            case ESignalStrength:

                iMobilePhone.CancelAsyncRequest(EMobilePhoneGetSignalStrength);

                break;

            case EHomeNetworkInfo:	

                iMobilePhone.CancelAsyncRequest(EMobilePhoneGetHomeNetwork);

                break;

            case ECurrentNetworkInfo:

            case ELocationAreaCode:

            case ECellId:

                iMobilePhone.CancelAsyncRequest(EMobilePhoneGetNetworkRegistrationStatus);

                break;

            case EBatteryStrength:

                iMobilePhone.CancelAsyncRequest(EMobilePhoneGetBatteryInfo);

                break;

            default:

                break;	

            }

        }

    //Notification

    else

        {	

        switch(iNetworkInfoType)

            {

            case ESignalStrength:

                iMobilePhone.CancelAsyncRequest(EMobilePhoneNotifySignalStrengthChange);

                break;

            case EHomeNetworkInfo:	

                iMobilePhone.CancelAsyncRequest(EMobilePhoneGetHomeNetwork);

                break;

            case ECurrentNetworkInfo:

            case ELocationAreaCode:

            case ECellId:

                iMobilePhone.CancelAsyncRequest(EMobilePhoneNotifyCurrentNetworkChange);

                break;

            case EBatteryStrength:

                iMobilePhone.CancelAsyncRequest(EMobilePhoneNotifyBatteryInfoChange);

                break;

            default:

                break;

            }

        }

    }

//End of File.