// 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 "g711decoderconfigci.h"

// MUX //

TInt CMMFG711DecoderIntfcMux::OpenInterface(TUid /*aInterfaceId*/)

	{

	// attempt to open the interface link with the

	// remote slave device

	iRemoteHandle = -1;

	TUid slaveId = {KMmfUidCustomInterfaceG711DecoderIntfcDeMux};

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

	if (handle >= 0)

		{

		iRemoteHandle = handle;

		}

	return iRemoteHandle;

	}

void CMMFG711DecoderIntfcMux::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 CMMFG711DecoderIntfcMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFG711DecoderIntfcMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

MMMFDevSoundCustomInterfaceMuxPlugin* CMMFG711DecoderIntfcMux::NewL()

	{

	CMMFG711DecoderIntfcMux* self = new (ELeave) CMMFG711DecoderIntfcMux;

	return self;

	}

TAny* CMMFG711DecoderIntfcMux::CustomInterface(TUid /*aInterfaceId*/)

	{

	MG711DecoderIntfc* interface = this;

	return interface;

	}

CMMFG711DecoderIntfcMux::CMMFG711DecoderIntfcMux() :

iRemoteHandle(-1)

	{

	}

CMMFG711DecoderIntfcMux::~CMMFG711DecoderIntfcMux()

	{

	}

// from MG711DecoderIntfc

TInt CMMFG711DecoderIntfcMux::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,

												EMMFDevSoundCIG711DecoderIntfcSetDecoderMode,

												decodeMode);

		}

	return result;

	}

// from MG711DecoderIntfc

TInt CMMFG711DecoderIntfcMux::GetDecoderMode(TDecodeMode& aDecodeMode)

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// send the decodeMode in the sync command

		TPckgBuf<TDecodeMode> retDecodeMode;

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,

													  EMMFDevSoundCIG711DecoderIntfcGetDecoderMode,

													  KNullDesC8,

													  retDecodeMode);

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

		if(result == KErrNone)

			{

			aDecodeMode = retDecodeMode();

			}

		}

	return result;

	}

// from MG711DecoderIntfc

TInt CMMFG711DecoderIntfcMux::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,

												EMMFDevSoundCIG711DecoderIntfcSetComfortNoiseGeneration,

												cng);

		}

	return result;

	}

// from MG711DecoderIntfc

TInt CMMFG711DecoderIntfcMux::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,

													  EMMFDevSoundCIG711DecoderIntfcGetComfortNoiseGeneration,

													  KNullDesC8,

													  retCng);

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

		if(result == KErrNone)

			{

			aCng = retCng();

			}

		}

	return result;

	}

// from MG711DecoderIntfc

TInt CMMFG711DecoderIntfcMux::SetPacketLossConcealment(TBool aPlc)

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// send the plc in the sync command

		TPckgBuf<TBool> plc(aPlc);

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

												EMMFDevSoundCIG711DecoderIntfcSetPacketLossConcealment,

												plc);

		}

	return result;

	}

// from MG711DecoderIntfc

TInt CMMFG711DecoderIntfcMux::GetPacketLossConcealment(TBool& aPlc)

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// send the plc in the sync command

		TPckgBuf<TBool> retPlc;

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,

													  EMMFDevSoundCIG711DecoderIntfcGetPacketLossConcealment,

													  KNullDesC8,

													  retPlc);

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

		if(result == KErrNone)

			{

			aPlc = retPlc();

			}

		}

	return result;

	}

// DEMUX //	

TInt CMMFG711DecoderIntfcDeMux::OpenInterface(TUid /*aInterfaceId*/)

	{

	return KErrNone;

	}

void CMMFG711DecoderIntfcDeMux::Release()

	{

	TUid key = iKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

void CMMFG711DecoderIntfcDeMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFG711DecoderIntfcDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

	{

	iTarget = aTarget;

	}

void CMMFG711DecoderIntfcDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

void CMMFG711DecoderIntfcDeMux::RefreshL()

	{

	// refetch the G711 decoder intfc custom interface if we already have a target

	if (iTarget)

		{

		iInterfaceG711DecoderIntfc = static_cast <MG711DecoderIntfc*> (iTarget->CustomInterface(KUidG711DecoderIntfc));

		if (!iInterfaceG711DecoderIntfc)

			{

			iInterfaceG711DecoderIntfc = NULL;

			User::Leave(KErrNotSupported);

			}

		}

	}

MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFG711DecoderIntfcDeMux::NewL()

	{

	CMMFG711DecoderIntfcDeMux* self = new (ELeave) CMMFG711DecoderIntfcDeMux;

	return self;

	}

CMMFG711DecoderIntfcDeMux::CMMFG711DecoderIntfcDeMux()

	{

	}

CMMFG711DecoderIntfcDeMux::~CMMFG711DecoderIntfcDeMux()

	{

	}

TInt CMMFG711DecoderIntfcDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)

	{

	// fetch the G711 decoder intfc Hw Device custom interface

	iInterfaceG711DecoderIntfc = static_cast<MG711DecoderIntfc*> (iTarget->CustomInterface(KUidG711DecoderIntfc)); 

	if (!iInterfaceG711DecoderIntfc)

		{

		iInterfaceG711DecoderIntfc = NULL;

		User::Leave(KErrNotSupported);

		}

	return KErrNone;

	}

void CMMFG711DecoderIntfcDeMux::DoCloseSlaveL(TInt /*aHandle*/)

	{

	// nothing to do

	}

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

// using DeMux utility

TInt CMMFG711DecoderIntfcDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	TInt result = KErrGeneral;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIG711DecoderIntfcSetDecoderMode:

			{

			TPckgBuf<MG711DecoderIntfc::TDecodeMode> decodeMode; 

			iUtility->ReadFromInputDesL(aMessage, &decodeMode);

			result = DoSetDecoderModeL(decodeMode());

			break;

			}

		case EMMFDevSoundCIG711DecoderIntfcSetComfortNoiseGeneration:

			{

			TPckgBuf<TBool> cng; 

			iUtility->ReadFromInputDesL(aMessage, &cng);

			result = DoSetComfortNoiseGenerationL(cng());

			break;

			}

		case EMMFDevSoundCIG711DecoderIntfcSetPacketLossConcealment:

			{

			TPckgBuf<TBool> plc; 

			iUtility->ReadFromInputDesL(aMessage, &plc);

			result = DoSetPacketLossConcealmentL(plc());

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return result;

	}

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

// using DeMux utility

TInt CMMFG711DecoderIntfcDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	TInt result = KErrGeneral;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIG711DecoderIntfcGetDecoderMode:

			{

			TPckgBuf<MG711DecoderIntfc::TDecodeMode> decodeMode; 

			iUtility->ReadFromInputDesL(aMessage, &decodeMode);

			result = DoGetDecoderModeL(decodeMode());

			TPckgBuf<TBool> des(decodeMode());

			iUtility->WriteToOutputDesL(aMessage, des);

			break;

			}

		case EMMFDevSoundCIG711DecoderIntfcGetComfortNoiseGeneration:

			{

			TPckgBuf<TBool> cng; 

			iUtility->ReadFromInputDesL(aMessage, &cng);

			result = DoGetComfortNoiseGenerationL(cng());

			TPckgBuf<TBool> des(cng());

			iUtility->WriteToOutputDesL(aMessage, des);

			break;

			}

		case EMMFDevSoundCIG711DecoderIntfcGetPacketLossConcealment:

			{

			TPckgBuf<TBool> plc; 

			iUtility->ReadFromInputDesL(aMessage, &plc);

			result = DoGetPacketLossConcealmentL(plc());

			TPckgBuf<TBool> des(plc());

			iUtility->WriteToOutputDesL(aMessage, des);

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return result;

	}

void CMMFG711DecoderIntfcDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)

	{

	// not used in this interface

	}

void CMMFG711DecoderIntfcDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)

	{

	// not used in this interface

	}

// G711 decoder intfc custom interface implementation

TInt CMMFG711DecoderIntfcDeMux::DoSetDecoderModeL(MG711DecoderIntfc::TDecodeMode aDecodeMode)

	{

	TInt result = KErrNotFound;

	if (iInterfaceG711DecoderIntfc)

		{

		result = iInterfaceG711DecoderIntfc->SetDecoderMode(aDecodeMode);

		}

	return result;

	}

// G711 decoder intfc custom interface implementation

TInt CMMFG711DecoderIntfcDeMux::DoGetDecoderModeL(MG711DecoderIntfc::TDecodeMode& aDecodeMode)

	{

	TInt result = KErrNotFound;

	if (iInterfaceG711DecoderIntfc)

		{

		result = iInterfaceG711DecoderIntfc->GetDecoderMode(aDecodeMode);

		}

	return result;

	}

// G711 decoder intfc custom interface implementation

TInt CMMFG711DecoderIntfcDeMux::DoSetComfortNoiseGenerationL(TBool aCng)

	{

	TInt result = KErrNotFound;

	if (iInterfaceG711DecoderIntfc)

		{

		result = iInterfaceG711DecoderIntfc->SetComfortNoiseGeneration(aCng);

		}

	return result;

	}

// G711 decoder intfc custom interface implementation

TInt CMMFG711DecoderIntfcDeMux::DoGetComfortNoiseGenerationL(TBool& aCng)

	{

	TInt result = KErrNotFound;

	if (iInterfaceG711DecoderIntfc)

		{

		result = iInterfaceG711DecoderIntfc->GetComfortNoiseGeneration(aCng);

		}

	return result;

	}

// G711 decoder intfc custom interface implementation

TInt CMMFG711DecoderIntfcDeMux::DoSetPacketLossConcealmentL(TBool aPlc)

	{

	TInt result = KErrNotFound;

	if (iInterfaceG711DecoderIntfc)

		{

		result = iInterfaceG711DecoderIntfc->SetPacketLossConcealment(aPlc);

		}

	return result;

	}

// G711 decoder intfc custom interface implementation

TInt CMMFG711DecoderIntfcDeMux::DoGetPacketLossConcealmentL(TBool& aPlc)

	{

	TInt result = KErrNotFound;

	if (iInterfaceG711DecoderIntfc)

		{

		result = iInterfaceG711DecoderIntfc->GetPacketLossConcealment(aPlc);

		}