// 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 "g711encoderconfigci.h"

 // MUX //

 TInt CMMFG711EncoderIntfcMux::OpenInterface(TUid /*aInterfaceId*/)

 	{

 	// attempt to open the interface link with the

 	// remote slave device

 	iRemoteHandle = -1;

 	TUid slaveId = {KMmfUidCustomInterfaceG711EncoderIntfcDeMux};

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

 	if (handle >= 0)

 		{

 		iRemoteHandle = handle;

 		}

 	return iRemoteHandle;

 	}

 void CMMFG711EncoderIntfcMux::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 CMMFG711EncoderIntfcMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iKey = aDestructorKey;

 	}

 void CMMFG711EncoderIntfcMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFG711EncoderIntfcMux::NewL()

 	{

 	CMMFG711EncoderIntfcMux* self = new (ELeave) CMMFG711EncoderIntfcMux;

 	return self;

 	}

 TAny* CMMFG711EncoderIntfcMux::CustomInterface(TUid /*aInterfaceId*/)

 	{

 	MG711EncoderIntfc* interface = this;

 	return interface;

 	}

 CMMFG711EncoderIntfcMux::CMMFG711EncoderIntfcMux() :

 iRemoteHandle(-1)

 	{

 	}

 CMMFG711EncoderIntfcMux::~CMMFG711EncoderIntfcMux()

 	{

 	}

 // from MG711EncoderIntfc

 TInt CMMFG711EncoderIntfcMux::SetEncoderMode(TEncodeMode aEncodeMode)

 	{

 	TInt result = KErrBadHandle;

 	if (iRemoteHandle > 0)

 		{

 		// send the encodeMode in the sync command

 		TPckgBuf<TEncodeMode> encodeMode(aEncodeMode);

 		// any return code other than zero is an error

 		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

 												EMMFDevSoundCIG711EncoderIntfcSetEncoderMode,

 												encodeMode);

 		}

 	return result;

 	}

 // from MG711EncoderIntfc

 TInt CMMFG711EncoderIntfcMux::SetVadMode (TBool aVadModeOn)

 	{

 	TInt result = KErrBadHandle;

 	if (iRemoteHandle > 0)

 		{

 		// send the vadMondeOn in the sync command

 		TPckgBuf<TBool> vadModeOn(aVadModeOn);

 		// any return code other than zero is an error

 		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

 												EMMFDevSoundCIG711EncoderIntfcSetVadMode,

 												vadModeOn);

 		}

 	return result;

 	}

 // from MG711EncoderIntfc

 TInt CMMFG711EncoderIntfcMux::GetVadMode (TBool& aVadModeOn)

 	{

 	TInt result = KErrBadHandle;

 	if (iRemoteHandle > 0)

 		{

 		// holds the returned value.

 		TPckgBuf<TBool> retVadModeOn;

 		// any return code other than zero is an error

 		result = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,

 													  EMMFDevSoundCIG711EncoderIntfcGetVadMode,

 													  KNullDesC8,

 													  retVadModeOn);

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

 		if(result == KErrNone)

 			{

 			aVadModeOn = retVadModeOn();

 			}

 		}

 	return result;

 	}

 // DEMUX //	

 TInt CMMFG711EncoderIntfcDeMux::OpenInterface(TUid /*aInterfaceId*/)

 	{

 	return KErrNone;

 	}

 void CMMFG711EncoderIntfcDeMux::Release()

 	{

 	TUid key = iKey;

 	delete this;

 	// tell ECom to destroy us

 	REComSession::DestroyedImplementation(key);

 	}

 void CMMFG711EncoderIntfcDeMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iKey = aDestructorKey;

 	}

 void CMMFG711EncoderIntfcDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

 	{

 	iTarget = aTarget;

 	}

 void CMMFG711EncoderIntfcDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 void CMMFG711EncoderIntfcDeMux::RefreshL()

 	{

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

 	if (iTarget)

 		{

 		iInterfaceG711EncoderIntfc = static_cast <MG711EncoderIntfc*> (iTarget->CustomInterface(KUidG711EncoderIntfc));

 		if (!iInterfaceG711EncoderIntfc)

 			{

 			iInterfaceG711EncoderIntfc = NULL;

 			User::Leave(KErrNotSupported);

 			}

 		}

 	}

 MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFG711EncoderIntfcDeMux::NewL()

 	{

 	CMMFG711EncoderIntfcDeMux* self = new (ELeave) CMMFG711EncoderIntfcDeMux;

 	return self;

 	}

 CMMFG711EncoderIntfcDeMux::CMMFG711EncoderIntfcDeMux()

 	{

 	}

 CMMFG711EncoderIntfcDeMux::~CMMFG711EncoderIntfcDeMux()

 	{

 	}

 TInt CMMFG711EncoderIntfcDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)

 	{

 	// fetch the G711 encoder intfc Hw Device custom interface

 	iInterfaceG711EncoderIntfc = static_cast<MG711EncoderIntfc*> (iTarget->CustomInterface(KUidG711EncoderIntfc)); 

 	if (!iInterfaceG711EncoderIntfc)

 		{

 		iInterfaceG711EncoderIntfc = NULL;

 		User::Leave(KErrNotSupported);

 		}

 	return KErrNone;

 	}

 void CMMFG711EncoderIntfcDeMux::DoCloseSlaveL(TInt /*aHandle*/)

 	{

 	// nothing to do

 	}

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

 // using DeMux utility

 TInt CMMFG711EncoderIntfcDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

 	{

 	TMMFDevSoundCIMessageData data;

 	TInt result = KErrGeneral;

 	// decode message

 	iUtility->GetSyncMessageDataL(aMessage, data);

 	switch (data.iCommand)

 		{

 		case EMMFDevSoundCIG711EncoderIntfcSetEncoderMode:

 			{

 			TPckgBuf<MG711EncoderIntfc::TEncodeMode> encodeMode; 

 			iUtility->ReadFromInputDesL(aMessage, &encodeMode);

 			result = DoSetEncoderMode(encodeMode());

 			break;

 			}

 		case EMMFDevSoundCIG711EncoderIntfcSetVadMode:

 			{

 			TPckgBuf<TBool> vadModeOn; 

 			iUtility->ReadFromInputDesL(aMessage, &vadModeOn);

 			result = DoSetVadMode(vadModeOn());

 			break;

 			}

 		default:

 			{

 			User::Leave(KErrNotSupported);

 			}

 		}

 	return result;

 	}

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

 // using DeMux utility

 TInt CMMFG711EncoderIntfcDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)

 	{

 	TMMFDevSoundCIMessageData data;

 	TInt result = KErrNone;

 	// decode message

 	iUtility->GetSyncMessageDataL(aMessage, data);

 	switch (data.iCommand)

 		{

 		case EMMFDevSoundCIG711EncoderIntfcGetVadMode:

 			{

 			TPckgBuf<TBool> vadModeOn; 

 			iUtility->ReadFromInputDesL(aMessage, &vadModeOn);

 			result = DoGetVadMode(vadModeOn());

 			TPckgBuf<TBool> des(vadModeOn());

 			iUtility->WriteToOutputDesL(aMessage, des);

 			break;

 			}

 		default:

 			{

 			User::Leave(KErrNotSupported);

 			}

 		}

 	return result;

 	}

 void CMMFG711EncoderIntfcDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)

 	{

 	// not used in this interface

 	}

 void CMMFG711EncoderIntfcDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)

 	{

 	// not used in this interface

 	}

 // G711 encoder intfc custom interface implementation

 TInt CMMFG711EncoderIntfcDeMux::DoSetEncoderMode(MG711EncoderIntfc::TEncodeMode aEncodeMode)

 	{

 	TInt result = KErrNotFound;

 	if (iInterfaceG711EncoderIntfc)

 		{

 		result = iInterfaceG711EncoderIntfc->SetEncoderMode(aEncodeMode);

 		}

 	return result;

 	}

 // G711 encoder intfc custom interface implementation

 TInt CMMFG711EncoderIntfcDeMux::DoSetVadMode(TBool aVadModeOn)

 	{

 	TInt result = KErrNotFound;

 	if (iInterfaceG711EncoderIntfc)

 		{

 		result = iInterfaceG711EncoderIntfc->SetVadMode(aVadModeOn);

 		}

 	return result;

 	}

 // G711 encoder intfc custom interface implementation

 TInt CMMFG711EncoderIntfcDeMux::DoGetVadMode(TBool& aVadModeOn)

 	{

 	TInt result = KErrNotFound;

 	if (iInterfaceG711EncoderIntfc)

 		{

 		result = iInterfaceG711EncoderIntfc->GetVadMode(aVadModeOn);

 		}

 	return result;

 	}

 //

 // ImplementationTable

 //

 const TImplementationProxy ImplementationTable[] = 

 	{

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceG711EncoderIntfcMux,	CMMFG711EncoderIntfcMux::NewL),

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceG711EncoderIntfcDeMux,	CMMFG711EncoderIntfcDeMux::NewL),

 	};

 //

 // ImplementationGroupProxy

 //

 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

 	{

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

 	return ImplementationTable;

 	}