// 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 "errorconcealmentci.h"

// MUX //

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

	{

	// attempt to open the interface link with the

	// remote slave device

	iRemoteHandle = -1;

	TUid slaveId = {KMmfUidCustomInterfaceErrorConcealmentIntfcDeMux};

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

	if (handle >= 0)

		{

		iRemoteHandle = handle;

		}

	return iRemoteHandle;

	}

void CMMFErrorConcealmentIntfcMux::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 CMMFErrorConcealmentIntfcMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFErrorConcealmentIntfcMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

MMMFDevSoundCustomInterfaceMuxPlugin* CMMFErrorConcealmentIntfcMux::NewL()

	{

	CMMFErrorConcealmentIntfcMux* self = new (ELeave) CMMFErrorConcealmentIntfcMux;

	return self;

	}

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

	{

	MMMFErrorConcealmentIntfc* interface = this;

	return interface;

	}

CMMFErrorConcealmentIntfcMux::CMMFErrorConcealmentIntfcMux() :

	iRemoteHandle(-1)

	{

	}

CMMFErrorConcealmentIntfcMux::~CMMFErrorConcealmentIntfcMux()

	{

	}

// from MErrorConcealmentIntfc

TInt CMMFErrorConcealmentIntfcMux::ConcealErrorForNextBuffer()

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

												EMMFDevSoundCIErrorConcealmentIntfcConcealErrorForNextBuffer,

												KNullDesC8);

		}

	return result;

	}

// from MErrorConcealmentIntfc

TInt CMMFErrorConcealmentIntfcMux::SetFrameMode(TBool aFrameModeOn)

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// send the cng in the sync command

		TPckgBuf<TBool> frameModeOn(aFrameModeOn);

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

												EMMFDevSoundCIErrorConcealmentIntfcSetFrameMode,

												frameModeOn);

		}

	return result;

	}

// from MErrorConcealmentIntfc

TInt CMMFErrorConcealmentIntfcMux::FrameModeRqrdForEC(TBool& aFrameModeRqrd)

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// holds the returned value.

		TPckgBuf<TBool> retFrameModeRqrd;

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,

													  EMMFDevSoundCIErrorConcealmentIntfcFrameModeRqrdForEC,

													  KNullDesC8,

													  retFrameModeRqrd);

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

		if(result == KErrNone)

			{

			aFrameModeRqrd = retFrameModeRqrd();

			}

		}

	return result;

	}

// DEMUX //	

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

	{

	return KErrNone;

	}

void CMMFErrorConcealmentIntfcDeMux::Release()

	{

	TUid key = iKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

void CMMFErrorConcealmentIntfcDeMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFErrorConcealmentIntfcDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

	{

	iTarget = aTarget;

	}

void CMMFErrorConcealmentIntfcDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

void CMMFErrorConcealmentIntfcDeMux::RefreshL()

	{

	// refetch the Error Concealment intfc custom interface if we already have a target

	if (iTarget)

		{

		iInterfaceErrorConcealmentIntfc = static_cast <MMMFErrorConcealmentIntfc*> (iTarget->CustomInterface(KUidErrorConcealmentIntfc));

		if (!iInterfaceErrorConcealmentIntfc)

			{

			iInterfaceErrorConcealmentIntfc = NULL;

			User::Leave(KErrNotSupported);

			}

		}

	}

MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFErrorConcealmentIntfcDeMux::NewL()

	{

	CMMFErrorConcealmentIntfcDeMux* self = new (ELeave) CMMFErrorConcealmentIntfcDeMux;

	return self;

	}

CMMFErrorConcealmentIntfcDeMux::CMMFErrorConcealmentIntfcDeMux()

	{

	}

CMMFErrorConcealmentIntfcDeMux::~CMMFErrorConcealmentIntfcDeMux()

	{

	}

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

	{

	// fetch the Error Concealment intfc Hw Device custom interface

	iInterfaceErrorConcealmentIntfc = static_cast<MMMFErrorConcealmentIntfc*> (iTarget->CustomInterface(KUidErrorConcealmentIntfc)); 

	if (!iInterfaceErrorConcealmentIntfc)

		{

		iInterfaceErrorConcealmentIntfc = NULL;

		User::Leave(KErrNotSupported);

		}

	return KErrNone;

	}

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

	{

	// nothing to do

	}

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

// using DeMux utility

TInt CMMFErrorConcealmentIntfcDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	TInt result = KErrGeneral;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIErrorConcealmentIntfcConcealErrorForNextBuffer:

			{

			result = DoConcealErrorForNextBufferL();

			break;

			}

		case EMMFDevSoundCIErrorConcealmentIntfcSetFrameMode:

			{

			TPckgBuf<TBool> frameModeOn; 

			iUtility->ReadFromInputDesL(aMessage, &frameModeOn);

			result = DoSetFrameModeL(frameModeOn());

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return result;

	}

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

// using DeMux utility

TInt CMMFErrorConcealmentIntfcDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	TInt result = KErrGeneral;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIErrorConcealmentIntfcFrameModeRqrdForEC:

			{

			TPckgBuf<TBool> frameModeRqrd; 

			iUtility->ReadFromInputDesL(aMessage, &frameModeRqrd);

			result = DoFrameModeRqrdForECL(frameModeRqrd());

			TPckgBuf<TBool> des(frameModeRqrd());

			iUtility->WriteToOutputDesL(aMessage, des);

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return result;

	}

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

	{

	// not used in this interface

	}

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

	{

	// not used in this interface

	}

// Error Concealment intfc custom interface implementation

TInt CMMFErrorConcealmentIntfcDeMux::DoConcealErrorForNextBufferL()

	{

	TInt result = KErrNotFound;

	if (iInterfaceErrorConcealmentIntfc)

		{

		result = iInterfaceErrorConcealmentIntfc->ConcealErrorForNextBuffer();

		}

	return result;

	}

// Error Concealment intfc custom interface implementation

TInt CMMFErrorConcealmentIntfcDeMux::DoSetFrameModeL(TBool aFrameModeRqrd)

	{

	TInt result = KErrNotFound;

	if (iInterfaceErrorConcealmentIntfc)

		{

		result = iInterfaceErrorConcealmentIntfc->SetFrameMode(aFrameModeRqrd);

		}

	return result;

	}

// Error Concealment intfc custom interface implementation

TInt CMMFErrorConcealmentIntfcDeMux::DoFrameModeRqrdForECL(TBool& aFrameModeRqrd)

	{

	TInt result = KErrNotFound;

	if (iInterfaceErrorConcealmentIntfc)

		{

		result = iInterfaceErrorConcealmentIntfc->FrameModeRqrdForEC(aFrameModeRqrd);

		}

	return result;

	}

//

// ImplementationTable

//

const TImplementationProxy ImplementationTable[] = 

	{

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceErrorConcealmentIntfcMux,		CMMFErrorConcealmentIntfcMux::NewL),

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceErrorConcealmentIntfcDeMux,	CMMFErrorConcealmentIntfcDeMux::NewL),

	};

//

// ImplementationGroupProxy

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

	{

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

	return ImplementationTable;

	}