// Copyright (c) 2007-2009 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 <ecom/implementationproxy.h>

#include <ecom/implementationproxy.h>

#include <ecom/ecom.h>

#include <s32mem.h>

#include "ilbcdecoderconfigci.h"

// MUX //

TInt CMMFIlbcDecoderIntfcMux::OpenInterface(TUid /*aInterfaceId*/)

	{

	// attempt to open the interface link with the

	// remote slave device

	iRemoteHandle = -1;

	TUid slaveId = {KMmfUidCustomInterfaceIlbcDecoderIntfcDeMux};

	TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);

	if (handle >= 0)

		{

		iRemoteHandle = handle;

		}

	return iRemoteHandle;

	}

void CMMFIlbcDecoderIntfcMux::Release()

	{

	// close the slave device if it exists

	if (iRemoteHandle > 0)

		{

		// we assume the slave is closed correctly

		iUtility->CloseSlave(iRemoteHandle);

		}

	TUid key = iKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

void CMMFIlbcDecoderIntfcMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFIlbcDecoderIntfcMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

MMMFDevSoundCustomInterfaceMuxPlugin* CMMFIlbcDecoderIntfcMux::NewL()

	{

	CMMFIlbcDecoderIntfcMux* self = new (ELeave) CMMFIlbcDecoderIntfcMux;

	return self;

	}

TAny* CMMFIlbcDecoderIntfcMux::CustomInterface(TUid /*aInterfaceId*/)

	{

	MIlbcDecoderIntfc* interface = this;

	return interface;

	}

CMMFIlbcDecoderIntfcMux::CMMFIlbcDecoderIntfcMux() :

iRemoteHandle(-1)

	{

	}

CMMFIlbcDecoderIntfcMux::~CMMFIlbcDecoderIntfcMux()

	{

	}

// from MIlbcDecoderIntfc

TInt CMMFIlbcDecoderIntfcMux::SetDecoderMode(TDecodeMode aDecodeMode)

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// send the decodeMode in the sync command

		TPckgBuf<TDecodeMode> decodeMode(aDecodeMode);

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

												EMMFDevSoundCIIlbcDecoderIntfcSetDecoderMode,

												decodeMode);

		}

	return result;

	}

// from MIlbcDecoderIntfc

TInt CMMFIlbcDecoderIntfcMux::SetComfortNoiseGeneration(TBool aCng)

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// send the cng in the sync command

		TPckgBuf<TBool> cng(aCng);

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

												EMMFDevSoundCIIlbcDecoderIntfcSetComfortNoiseGeneration,

												cng);

		}

	return result;

	}

// from MIlbcDecoderIntfc

TInt CMMFIlbcDecoderIntfcMux::GetComfortNoiseGeneration(TBool& aCng)

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// holds the returned value.

		TPckgBuf<TBool> retCng;

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,

													  EMMFDevSoundCIIlbcDecoderIntfcGetComfortNoiseGeneration,

													  KNullDesC8,

													  retCng);

		// assign return values to aCng. Do nothing if there is an error

		if(result == KErrNone)

			{

			aCng = retCng();

			}

		}

	return result;

	}

// DEMUX //	

TInt CMMFIlbcDecoderIntfcDeMux::OpenInterface(TUid /*aInterfaceId*/)

	{

	return KErrNone;

	}

void CMMFIlbcDecoderIntfcDeMux::Release()

	{

	TUid key = iKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

void CMMFIlbcDecoderIntfcDeMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFIlbcDecoderIntfcDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

	{

	iTarget = aTarget;

	}

void CMMFIlbcDecoderIntfcDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

void CMMFIlbcDecoderIntfcDeMux::RefreshL()

	{

	// refetch the Ilbc decoder intfc custom interface if we already have a target

	if (iTarget)

		{

		iInterfaceIlbcDecoderIntfc = static_cast <MIlbcDecoderIntfc*> (iTarget->CustomInterface(KUidIlbcDecoderIntfc));

		if (!iInterfaceIlbcDecoderIntfc)

			{

			iInterfaceIlbcDecoderIntfc = NULL;

			User::Leave(KErrNotSupported);

			}

		}

	}

MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFIlbcDecoderIntfcDeMux::NewL()

	{

	CMMFIlbcDecoderIntfcDeMux* self = new (ELeave) CMMFIlbcDecoderIntfcDeMux;

	return self;

	}

CMMFIlbcDecoderIntfcDeMux::CMMFIlbcDecoderIntfcDeMux()

	{

	}

CMMFIlbcDecoderIntfcDeMux::~CMMFIlbcDecoderIntfcDeMux()

	{

	}

TInt CMMFIlbcDecoderIntfcDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)

	{

	// fetch the Ilbc decoder intfc Hw Device custom interface

	iInterfaceIlbcDecoderIntfc = static_cast<MIlbcDecoderIntfc*> (iTarget->CustomInterface(KUidIlbcDecoderIntfc)); 

	if (!iInterfaceIlbcDecoderIntfc)

		{

		iInterfaceIlbcDecoderIntfc = NULL;

		User::Leave(KErrNotSupported);

		}

	return KErrNone;

	}

void CMMFIlbcDecoderIntfcDeMux::DoCloseSlaveL(TInt /*aHandle*/)

	{

	// nothing to do

	}

// original RMessage is supplied so that remote demux plugin can extract necessary details

// using DeMux utility

TInt CMMFIlbcDecoderIntfcDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	TInt result = KErrGeneral;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIIlbcDecoderIntfcSetDecoderMode:

			{

			TPckgBuf<MIlbcDecoderIntfc::TDecodeMode> decodeMode; 

			iUtility->ReadFromInputDesL(aMessage, &decodeMode);

			result = DoSetDecoderMode(decodeMode());

			break;

			}

		case EMMFDevSoundCIIlbcDecoderIntfcSetComfortNoiseGeneration:

			{

			TPckgBuf<TBool> cng; 

			iUtility->ReadFromInputDesL(aMessage, &cng);

			result = DoSetComfortNoiseGenerationL(cng());

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return result;

	}

// original RMessage is supplied so that remote demux plugin can extract necessary details

// using DeMux utility

TInt CMMFIlbcDecoderIntfcDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	TInt result = KErrGeneral;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIIlbcDecoderIntfcGetComfortNoiseGeneration:

			{

			TPckgBuf<TBool> cng; 

			iUtility->ReadFromInputDesL(aMessage, &cng);

			result = DoGetComfortNoiseGenerationL(cng());

			TPckgBuf<TBool> des(cng());

			iUtility->WriteToOutputDesL(aMessage, des);

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return result;

	}

void CMMFIlbcDecoderIntfcDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)

	{

	// not used in this interface

	}

void CMMFIlbcDecoderIntfcDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)

	{

	// not used in this interface

	}

// Ilbc decoder intfc custom interface implementation

TInt CMMFIlbcDecoderIntfcDeMux::DoSetDecoderMode(MIlbcDecoderIntfc::TDecodeMode aDecodeMode)

	{

	TInt result = KErrNotFound;

	if (iInterfaceIlbcDecoderIntfc)

		{

		result = iInterfaceIlbcDecoderIntfc->SetDecoderMode(aDecodeMode);

		}

	return result;

	}

// Ilbc decoder intfc custom interface implementation

TInt CMMFIlbcDecoderIntfcDeMux::DoSetComfortNoiseGenerationL(TBool aCng)

	{

	TInt result = KErrNotFound;

	if (iInterfaceIlbcDecoderIntfc)

		{

		result = iInterfaceIlbcDecoderIntfc->SetComfortNoiseGeneration(aCng);

		}

	return result;

	}

// Ilbc decoder intfc custom interface implementation

TInt CMMFIlbcDecoderIntfcDeMux::DoGetComfortNoiseGenerationL(TBool& aCng)

	{

	TInt result = KErrNotFound;

	if (iInterfaceIlbcDecoderIntfc)

		{

		result = iInterfaceIlbcDecoderIntfc->GetComfortNoiseGeneration(aCng);

		}

	return result;

	}

//

// ImplementationTable

//

const TImplementationProxy ImplementationTable[] = 

	{

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceIlbcDecoderIntfcMux,	CMMFIlbcDecoderIntfcMux::NewL),

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceIlbcDecoderIntfcDeMux,	CMMFIlbcDecoderIntfcDeMux::NewL),

	};

//

// ImplementationGroupProxy

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

	{

	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

	return ImplementationTable;

	}