// 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 "g729decoderconfigci.h"

 // MUX //

 TInt CMMFG729DecoderIntfcMux::OpenInterface(TUid /*aInterfaceId*/)

 	{

 	// attempt to open the interface link with the

 	// remote slave device

 	iRemoteHandle = -1;

 	TUid slaveId = {KMmfUidCustomInterfaceG729DecoderIntfcDeMux};

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

 	if (handle >= 0)

 		{

 		iRemoteHandle = handle;

 		}

 	return iRemoteHandle;

 	}

 void CMMFG729DecoderIntfcMux::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 CMMFG729DecoderIntfcMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iKey = aDestructorKey;

 	}

 void CMMFG729DecoderIntfcMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFG729DecoderIntfcMux::NewL()

 	{

 	CMMFG729DecoderIntfcMux* self = new (ELeave) CMMFG729DecoderIntfcMux;

 	return self;

 	}

 TAny* CMMFG729DecoderIntfcMux::CustomInterface(TUid /*aInterfaceId*/)

 	{

 	MG729DecoderIntfc* interface = this;

 	return interface;

 	}

 CMMFG729DecoderIntfcMux::CMMFG729DecoderIntfcMux() :

 	iRemoteHandle(-1)

 	{

 	}

 CMMFG729DecoderIntfcMux::~CMMFG729DecoderIntfcMux()

 	{

 	}

 // from MG729DecoderIntfc

 TInt CMMFG729DecoderIntfcMux::BadLsfNextBuffer()

 	{

 	TInt result = KErrBadHandle;

 	if (iRemoteHandle > 0)

 		{

 		// any return code other than zero is an error

 		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

 												EMMFDevSoundCIG729DecoderIntfcBadLsfNextBuffer,

 												KNullDesC8);

 		}

 	return result;

 	}

 // DEMUX //	

 TInt CMMFG729DecoderIntfcDeMux::OpenInterface(TUid /*aInterfaceId*/)

 	{

 	return KErrNone;

 	}

 void CMMFG729DecoderIntfcDeMux::Release()

 	{

 	TUid key = iKey;

 	delete this;

 	// tell ECom to destroy us

 	REComSession::DestroyedImplementation(key);

 	}

 void CMMFG729DecoderIntfcDeMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iKey = aDestructorKey;

 	}

 void CMMFG729DecoderIntfcDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

 	{

 	iTarget = aTarget;

 	}

 void CMMFG729DecoderIntfcDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 void CMMFG729DecoderIntfcDeMux::RefreshL()

 	{

 	// refetch the G729 decoder intfc custom interface if we already have a target

 	if (iTarget)

 		{

 		iInterfaceG729DecoderIntfc = static_cast <MG729DecoderIntfc*> (iTarget->CustomInterface(KUidG729DecoderIntfc));

 		if (!iInterfaceG729DecoderIntfc)

 			{

 			iInterfaceG729DecoderIntfc = NULL;

 			User::Leave(KErrNotSupported);

 			}

 		}

 	}

 MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFG729DecoderIntfcDeMux::NewL()

 	{

 	CMMFG729DecoderIntfcDeMux* self = new (ELeave) CMMFG729DecoderIntfcDeMux;

 	return self;

 	}

 CMMFG729DecoderIntfcDeMux::CMMFG729DecoderIntfcDeMux()

 	{

 	}

 CMMFG729DecoderIntfcDeMux::~CMMFG729DecoderIntfcDeMux()

 	{

 	}

 TInt CMMFG729DecoderIntfcDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)

 	{

 	// fetch the G729 decoder intfc Hw Device custom interface

 	iInterfaceG729DecoderIntfc = static_cast<MG729DecoderIntfc*> (iTarget->CustomInterface(KUidG729DecoderIntfc));

 	if (!iInterfaceG729DecoderIntfc)

 		{

 		iInterfaceG729DecoderIntfc = NULL;

 		User::Leave(KErrNotSupported);

 		}

 	return KErrNone;

 	}

 void CMMFG729DecoderIntfcDeMux::DoCloseSlaveL(TInt /*aHandle*/)

 	{

 	// nothing to do

 	}

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

 // using DeMux utility

 TInt CMMFG729DecoderIntfcDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

 	{

 	TMMFDevSoundCIMessageData data;

 	TInt result = KErrGeneral;

 	// decode message

 	iUtility->GetSyncMessageDataL(aMessage, data);

 	switch (data.iCommand)

 		{

 		case EMMFDevSoundCIG729DecoderIntfcBadLsfNextBuffer:

 			{

 			result = DoBadLsfNextBufferL();

 			break;

 			}

 		default:

 			{

 			User::Leave(KErrNotSupported);

 			}

 		}

 	return result;

 	}

 TInt CMMFG729DecoderIntfcDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)

 	{

 	return KErrNone;

 	}

 void CMMFG729DecoderIntfcDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)

 	{

 	// not used in this interface

 	}

 void CMMFG729DecoderIntfcDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)

 	{

 	// not used in this interface

 	}

 TInt CMMFG729DecoderIntfcDeMux::DoBadLsfNextBufferL()

 	{

 	TInt result = KErrNotFound;

 	if (iInterfaceG729DecoderIntfc)

 		{

 		result = iInterfaceG729DecoderIntfc->BadLsfNextBuffer();

 		}

 	return result;

 	}

 //

 // ImplementationTable

 //

 const TImplementationProxy ImplementationTable[] = 

 	{

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceG729DecoderIntfcMux,	CMMFG729DecoderIntfcMux::NewL),

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceG729DecoderIntfcDeMux,	CMMFG729DecoderIntfcDeMux::NewL),

 	};

 //

 // ImplementationGroupProxy

 //

 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

 	{

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

 	return ImplementationTable;

 	}