/*

* Copyright (c) 2002-2004 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:   Message handler for G711 decoder interface

*

*/

// INCLUDE FILES

#include    "G711DecoderIntfcMsgHdlr.h"

#include    "G711DecoderIntfcMsgs.h"

#include    <G711DecoderIntfc.h>

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

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

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

// CG711DecoderIntfcMsgHdlr::CG711DecoderIntfcMsgHdlr

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CG711DecoderIntfcMsgHdlr::CG711DecoderIntfcMsgHdlr(

                             CG711DecoderIntfc* aG711DecoderIntfcCI) :

	CMMFObject(KUidG711DecoderIntfc)

    {

    iG711DecoderIntfcCI = aG711DecoderIntfcCI;

    }

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

// CG711DecoderIntfcMsgHdlr::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CG711DecoderIntfcMsgHdlr::ConstructL()

    {

    }

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

// CG711DecoderIntfcMsgHdlr::NewL

// Two-phased constructor.

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

//

EXPORT_C CG711DecoderIntfcMsgHdlr* CG711DecoderIntfcMsgHdlr::NewL(

                                                TAny*  aG711DecoderIntfcCI)

    {

    CG711DecoderIntfc* errorConcealmentIntfcCI = 

                              (CG711DecoderIntfc*)aG711DecoderIntfcCI;

    CG711DecoderIntfcMsgHdlr* self = 

            new (ELeave) CG711DecoderIntfcMsgHdlr(errorConcealmentIntfcCI);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

EXPORT_C CG711DecoderIntfcMsgHdlr::~CG711DecoderIntfcMsgHdlr()

	{

	delete iG711DecoderIntfcCI;

	}

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

// CG711DecoderIntfcMsgHdlr::HandleRequest

// Handles the messages from the proxy.

// Calls a subfunction which determines which custom interface to call.

// A subfunction is used to contain multiple leaving functions for a single

// trap.

// (other items were commented in a header).

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

//

EXPORT_C void CG711DecoderIntfcMsgHdlr::HandleRequest(

                                                       TMMFMessage& aMessage)

	{

	ASSERT(aMessage.Destination().InterfaceId() == KUidG711DecoderIntfc);

	TRAPD(error,DoHandleRequestL(aMessage));

	if(error)

		{

		aMessage.Complete(error);

		}

	}

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

// CG711DecoderIntfcMsgHdlr::DoHandleRequestL

// Determines which custom interface to call.

// (other items were commented in a header).

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

//

void CG711DecoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)

	{

	switch(aMessage.Function())

		{

		case EG711dimSetDecoderMode:

			{

    		DoSetDecoderModeL(aMessage);

			break;

			}

		case EG711dimSetCng:

			{

    		DoSetCngL(aMessage);

			break;

			}

		case EG711dimGetCng:

			{

    		DoGetCngL(aMessage);

			break;

			}

		case EG711dimSetPlc:

			{

    		DoSetPlcL(aMessage);

			break;

			}

		default:

			{

			aMessage.Complete(KErrNotSupported);

			}

		}

	}

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

// CG711DecoderIntfcMsgHdlr::DoSetDecoderModeL

// Handles the message from the proxy and calls the custom interface method.

// The data passed from the proxy is read from the message and passed to

// the custom interface.

// (other items were commented in a header).

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

//

void CG711DecoderIntfcMsgHdlr::DoSetDecoderModeL(TMMFMessage& aMessage)

    {

	TPckgBuf<CG711DecoderIntfc::TDecodeMode> pckgBuf;

	aMessage.ReadData1FromClientL(pckgBuf);

	TInt status = iG711DecoderIntfcCI->SetDecoderMode(pckgBuf());

    aMessage.Complete(status);

    }

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

// CG711DecoderIntfcMsgHdlr::DoSetCngL

// Handles the message from the proxy and calls the custom interface method.

// The data passed from the proxy is read from the message and passed to

// the custom interface.

// (other items were commented in a header).

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

//

void CG711DecoderIntfcMsgHdlr::DoSetCngL(TMMFMessage& aMessage)

    {

	TPckgBuf<TBool> pckgBuf;

	aMessage.ReadData1FromClientL(pckgBuf);

	TInt status = iG711DecoderIntfcCI->SetCng(pckgBuf());

    aMessage.Complete(status);

    }

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

// CG711DecoderIntfcMsgHdlr::DoGetCngL

// Handles the message from the proxy and calls the custom interface method.

// The custom interface returns the data requested and this function

// writes it back to the proxy.

// (other items were commented in a header).

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

//

void CG711DecoderIntfcMsgHdlr::DoGetCngL(TMMFMessage& aMessage)

    {

	TBool cng;

	TInt status = iG711DecoderIntfcCI->GetCng(cng);

	if (status == KErrNone)

    	{

    	TPckgBuf<TBool> pckgBuf;

	    pckgBuf() = cng;

    	aMessage.WriteDataToClientL(pckgBuf);

    	}

    aMessage.Complete(status);

    }

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

// CG711DecoderIntfcMsgHdlr::DoSetPlcL

// Handles the message from the proxy and calls the custom interface method.

// The data passed from the proxy is read from the message and passed to

// the custom interface.

// (other items were commented in a header).

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

//

void CG711DecoderIntfcMsgHdlr::DoSetPlcL(TMMFMessage& aMessage)

    {

	TPckgBuf<TBool> pckgBuf;

	aMessage.ReadData1FromClientL(pckgBuf);

	TInt status = iG711DecoderIntfcCI->SetPlc(pckgBuf());

    aMessage.Complete(status);

    }

// End of File