/*

* 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 speech encoder configuration interface

*

*/

// INCLUDE FILES

#include    "SpeechEncoderConfigMsgHdlr.h"

#include    "SpeechEncoderConfigMsgs.h"

#include    <SpeechEncoderConfig.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 ===============================

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

// CSpeechEncoderConfigMsgHdlr::CSpeechEncoderConfigMsgHdlr

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

// might leave.

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

//

CSpeechEncoderConfigMsgHdlr::CSpeechEncoderConfigMsgHdlr(

                                 CSpeechEncoderConfig* aSpeechEncoderConfigCI) :

	CMMFObject(KUidSpeechEncoderConfig)

    {

    iSpeechEncoderConfigCI = aSpeechEncoderConfigCI;

    }

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

// CSpeechEncoderConfigMsgHdlr::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CSpeechEncoderConfigMsgHdlr::ConstructL()

    {

    }

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

// CSpeechEncoderConfigMsgHdlr::NewL

// Two-phased constructor.

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

//

EXPORT_C CSpeechEncoderConfigMsgHdlr* CSpeechEncoderConfigMsgHdlr::NewL(

                                                  TAny*  aSpeechEncoderConfigCI)

    {

    CSpeechEncoderConfig* speechEncoderConfigCI = 

                                  (CSpeechEncoderConfig*)aSpeechEncoderConfigCI;

    CSpeechEncoderConfigMsgHdlr* self = 

                new (ELeave) CSpeechEncoderConfigMsgHdlr(speechEncoderConfigCI);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

EXPORT_C CSpeechEncoderConfigMsgHdlr::~CSpeechEncoderConfigMsgHdlr()

	{

	iSupportedBitrates.Close();

	delete iDataCopyBuffer;

	delete iSpeechEncoderConfigCI;

	}

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

// CSpeechEncoderConfigMsgHdlr::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 CSpeechEncoderConfigMsgHdlr::HandleRequest(TMMFMessage& aMessage)

	{

    // debug panic

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

	TRAPD(error,DoHandleRequestL(aMessage));

	if(error)

		{

		aMessage.Complete(error);

		}

	}

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

// CSpeechEncoderConfigMsgHdlr::DoHandleRequestL

// Determines which custom interface to call.

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

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

//

void CSpeechEncoderConfigMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)

	{

	switch(aMessage.Function())

		{

		case ESecmGetNumOfSupportedBitrates:

			{

			DoGetNumOfSupportedBitratesL(aMessage);

			break;

			}

		case ESecmGetSupportedBitrates:

			{

			DoGetSupportedBitratesL(aMessage);

			break;

			}

		case ESecmSetBitrate:

			{

			DoSetBitrateL(aMessage);

			break;

			}

		case ESecmGetBitrate:

			{

			DoGetBitrateL(aMessage);

			break;

			}

		case ESecmSetVadMode:

			{

			DoSetVadModeL(aMessage);

			break;

			}

		case ESecmGetVadMode:

			{

			DoGetVadModeL(aMessage);

			break;

			}

		default:

			{

			aMessage.Complete(KErrNotSupported);

			}

		}

	}

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

// CSpeechEncoderConfigMsgHdlr::DoGetNumOfSupportedBitratesL

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

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

// writes it back to the proxy. It also creates a buffer and fills

// it with the bitrate data to be returned in the subsequent call

// of DoGetSupportedBitratesL().

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

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

//

void CSpeechEncoderConfigMsgHdlr::DoGetNumOfSupportedBitratesL(

                                                       TMMFMessage& aMessage)

	{

	iSupportedBitrates.Reset();

	TInt status = iSpeechEncoderConfigCI->GetSupportedBitrates(

	                                                     iSupportedBitrates);

	CreateBufFromUintArrayL(iSupportedBitrates);

	if (status == KErrNone)

    	{

	    TPckgBuf<TUint> pckg;

    	pckg() = iSupportedBitrates.Count();

	    aMessage.WriteDataToClientL(pckg);

	    }

    aMessage.Complete(status);

	}

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

// CSpeechEncoderConfigMsgHdlr::CreateBufFromUintArrayL

// Utility function used to create a buffer a fill it with data from the array

// passed in.

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

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

//

void CSpeechEncoderConfigMsgHdlr::CreateBufFromUintArrayL(RArray<TUint>& aArray)

	{

	delete iDataCopyBuffer;

	iDataCopyBuffer = NULL;

	iDataCopyBuffer = CBufFlat::NewL(8);

	RBufWriteStream stream;

	stream.Open(*iDataCopyBuffer);

	CleanupClosePushL(stream);

	for (TInt i=0;i<aArray.Count();i++)

		stream.WriteUint32L(aArray[i]);

	CleanupStack::PopAndDestroy(&stream);//stream

	}

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

// CSpeechEncoderConfigMsgHdlr::DoGetSupportedBitratesL

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

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

// writes it back to the proxy.

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

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

//

void CSpeechEncoderConfigMsgHdlr::DoGetSupportedBitratesL(TMMFMessage& aMessage)

	{

	if (!iDataCopyBuffer)

		User::Leave(KErrNotReady);

	aMessage.WriteDataToClientL(iDataCopyBuffer->Ptr(0));

    aMessage.Complete(KErrNone);

	}

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

// CSpeechEncoderConfigMsgHdlr::DoSetBitrateL

// 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 CSpeechEncoderConfigMsgHdlr::DoSetBitrateL(TMMFMessage& aMessage)

	{

	TPckgBuf<TUint> pckg;

	aMessage.ReadData1FromClientL(pckg);

	TInt status = iSpeechEncoderConfigCI->SetBitrate(pckg());

    aMessage.Complete(status);

	}

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

// CSpeechEncoderConfigMsgHdlr::DoGetBitrateL

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

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

// writes it back to the proxy.

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

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

//

void CSpeechEncoderConfigMsgHdlr::DoGetBitrateL(TMMFMessage& aMessage)

	{

	TUint bitrate;

	TInt status = iSpeechEncoderConfigCI->GetBitrate(bitrate);

	if (status == KErrNone)

    	{

    	TPckgBuf<TUint> pckg;

    	pckg() = bitrate;

	    aMessage.WriteDataToClientL(pckg);

    	}

    aMessage.Complete(status);

	}

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

// CSpeechEncoderConfigMsgHdlr::DoSetVadModeL

// 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 CSpeechEncoderConfigMsgHdlr::DoSetVadModeL(TMMFMessage& aMessage)

	{

	TPckgBuf<TBool> pckg;

	aMessage.ReadData1FromClientL(pckg);

	TInt status = iSpeechEncoderConfigCI->SetVadMode(pckg());

    aMessage.Complete(status);

	}

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

// CSpeechEncoderConfigMsgHdlr::DoGetVadModeL

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

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

// writes it back to the proxy.

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

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

//

void CSpeechEncoderConfigMsgHdlr::DoGetVadModeL(TMMFMessage& aMessage)

	{

	TBool vadMode;

	TInt status = iSpeechEncoderConfigCI->GetVadMode(vadMode);

	if (status == KErrNone)

    	{

    	TPckgBuf<TBool> pckg;

	    pckg() = vadMode;

    	aMessage.WriteDataToClientL(pckg);

    	}

    aMessage.Complete(status);

	}

// End of File