// 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;

 	}