// 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 FILES

#include "cmmtsyfax.h"

#include "cmmfaxext.h"

// ======== MEMBER FUNCTIONS ========

CMmTsyFax::CMmTsyFax(

    CMmFaxExt* aFaxExt ) 

    :  iFaxExt( aFaxExt )

    {

    }

void CMmTsyFax::ConstructL()

    {

    iTerminate     = EFalse;

    iDataDirection = EUnknown;

    //  Used to be that CTsyFax could not be constructed before a call had

    //  been initiated i.e. the fax server was started and the call had a 

    //  pointer to CFaxSession. Now, to solve the problem of the fax progress

    //  being only available after phase C, RFax can be opened before a call

    //  has begun to connect. So in the event of this happening, each function

    //  of CTsyFax must check that the fax server has been started.

    if ( iFaxExt->GetFaxSession() )

        {

        RFax::TProgress* faxProgress = iFaxExt->iMmCall->

          CreateFaxProgressChunk();

        if ( !faxProgress )

            {

            User::Leave( KErrEtelFaxChunkNotCreated );

            }

        }

    }

CMmTsyFax* CMmTsyFax::NewL(

        CMmFaxExt* aFaxExt )

    {

    //  Completes successfully if fax call has already been dialled creating

    //  a CFaxSession instance, and is not called if that is not true.

    CMmTsyFax* fax = new ( ELeave ) CMmTsyFax( aFaxExt );

    CleanupClosePushL( *fax );

    fax->ConstructL();

    CleanupStack::Pop();

    return fax;

    }

CMmTsyFax::~CMmTsyFax()

    {

	if( iFaxExt )

		{

		iFaxExt->iFax = NULL;

		iFaxExt = NULL;

		}

    }

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

// CMmTsyFax::CloseFax

// Utility to cleanup stack. Called if NewL fails and CleanupStack unwinds.

// Returns: None

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

//

void CMmTsyFax::CloseFax(

        TAny* aObj )

    {

    ( ( CObject* )aObj )->Close();

    }

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

// CMmTsyFax::DeregisterNotification

// Deregisters notification in use.

// Returns: Error value

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

//

TInt CMmTsyFax:: DeregisterNotification(

        const TInt /*aIpc*/ )

    {

    return KErrNone;

    }

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

// CMmTsyFax::Init

// Fax initialisation. Etel server calls this.

// Returns: None

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

//

void CMmTsyFax::Init()

    {

    }

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

// CMmTsyFax::Read

// Read fax data into descriptor, asynchronously.

// Returns: None

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

//

TInt CMmTsyFax::Read(

        const TTsyReqHandle aTsyReqHandle, 

        TDes8* aDes )                      

    {

    TInt errorCode( KErrNone );

    if ( !iFaxExt->GetFaxSession()

         || iFaxExt->GetCallStatus() != RCall::EStatusConnected )

        {

        // not ready

        ReqCompleted( aTsyReqHandle, KErrNotReady );

        }

    else

        {

        if( iTerminate )

          {

          // terminated

          errorCode = KErrGeneral;

          }

        else

          {

          // Prevent the machine powering down due to inactivity during

          // a long fax receive.

          User::ResetInactivityTime();

          iDataDirection = EReceiveData;

          CFaxSession* session = iFaxExt->GetFaxSession();

          // Request handle for CMmFaxCompletion object.

          iFaxExt->ConfigureCompletion( aTsyReqHandle, this );

          session->RxFaxData( *aDes );

          }

        }

    return errorCode;

    }

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

// CMmTsyFax::RegisterNotification

// Registers notification in use.

// Returns: Error value

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

//

TInt CMmTsyFax::RegisterNotification

        (

        const TInt /*aIpc*/ 

        )

    {

    return KErrNone;

    }

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

// CMmTsyFax::ReqModeL

// Returns: Request mode

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

//

CTelObject::TReqMode CMmTsyFax::ReqModeL(

        const TInt aIpc ) 

    {

    return CFaxBase::ReqModeL( aIpc );

    }

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

// CMmTsyFax::Terminate

// Returns: None

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

//

void CMmTsyFax::Terminate()

	{    

	iTerminate = ETrue;

	}

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

// CMmTsyFax::TerminateFaxSession

// Cancel read/write operation on CMmFaxCompletion object

// Returns: Error value

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

//

TInt CMmTsyFax::TerminateFaxSession(

        const TTsyReqHandle aTsyReqHandle ) 

    {

    CFaxSession* session = iFaxExt->GetFaxSession();

    if ( !session )

        {

        ReqCompleted( aTsyReqHandle, KErrNotReady );

        } 

    else

        {

        session->Cancel();

        // This will cancel ongoig read/write operation on CMmFaxCompletion

        // object.

        iFaxExt->CompleteOperation( KErrCancel );

        //This completes this method and upper ongoing operation.

        ReqCompleted( aTsyReqHandle,KErrNone );

        }

    return KErrNone;

    }

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

// CMmTsyFax::WaitForEndOfPage

// Ask fax server to send notification of end page of fax.

// Returns: Error value

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

//

TInt CMmTsyFax::WaitForEndOfPage(

        const TTsyReqHandle aTsyReqHandle ) 

    {

    if ( !iFaxExt->GetFaxSession() 

         || iFaxExt->GetCallStatus() != RCall::EStatusConnected )

        {

        // not ready

        ReqCompleted( aTsyReqHandle, KErrNotReady );

        }

    else

        {

        switch ( iDataDirection )

            {

            case EReceiveData:

                iFaxExt->ConfigureCompletion( aTsyReqHandle, this );

                iFaxExt->GetFaxSession()->RxPostPage();

                break;

            case ESendData:

                iFaxExt->ConfigureCompletion( aTsyReqHandle, this );

                iFaxExt->GetFaxSession()->TxPostPage();

                break;

            default:

                ReqCompleted( aTsyReqHandle, KErrUnknown );

                break;

            }

        }

    return KErrNone;

    }

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

// CMmTsyFax::Write

// Send fax data in descriptor to fax module, asynchronously.

// Returns: Error value

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

//

TInt CMmTsyFax::Write(

        const TTsyReqHandle aTsyReqHandle, 

        TDesC8* aDes )                     

    {

    TInt errorCode( KErrNone );

    if ( !iFaxExt->GetFaxSession() 

         || iFaxExt->GetCallStatus() != RCall::EStatusConnected )

        {

        // not ready

        ReqCompleted( aTsyReqHandle, KErrNotReady );

        errorCode = KErrNone;

        }

    else

        {

        if( iTerminate )

            {

            errorCode = KErrGeneral;

            }

        else

            {

            // Prevent the machine powering down due to inactivity during a 

            // long fax send.

            User::ResetInactivityTime();

            iDataDirection = ESendData;

            CFaxSession* session = iFaxExt->GetFaxSession();

            // Request handle for CMmFaxCompletion object.

            iFaxExt->ConfigureCompletion( aTsyReqHandle, this );

            session->TxFaxData( *aDes );

            }

        }

    return errorCode;

    }

// ================= OTHER EXPORTED FUNCTIONS ===============================

//  End of File