// Copyright (c) 2006-2009 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 "cmmfdevsoundcifileblocklengthimpluid.hrh"

#include <ecom/implementationproxy.h>

#include <ecom/implementationproxy.h>

#include <ecom/ecom.h>

#include <s32mem.h>

#include "cmmfdevsoundcifileblocklength.h"

// __________________________________________________________________________

// Implementation

// MUX //

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

	{

	// attempt to open the interface link with the

	// remote slave device

	iRemoteHandle = -1;

	TUid slaveId = {KMmfUidCIFileBlockLengthDeMux};

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

	if (handle >= 0)

		{

		iRemoteHandle = handle;

		}

	return iRemoteHandle;

	}

void CMMFDevSoundCIFileBlockLengthMux::Release()

	{

	// close the slave device if it exists

	if (iRemoteHandle != -1)

		{

		// we assume the slave is closed correctly

		iUtility->CloseSlave(iRemoteHandle);

		}

	TUid key = iKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

void CMMFDevSoundCIFileBlockLengthMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFDevSoundCIFileBlockLengthMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDevSoundCIFileBlockLengthMux::NewL()

	{

	CMMFDevSoundCIFileBlockLengthMux* self = new (ELeave) CMMFDevSoundCIFileBlockLengthMux;

	return self;

	}

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

	{

	MMMFDevSoundCustomInterfaceFileBlockLength* interface = this;

	return interface;

	}

CMMFDevSoundCIFileBlockLengthMux::CMMFDevSoundCIFileBlockLengthMux() :

	iRemoteHandle(-1)

	{	

	}

CMMFDevSoundCIFileBlockLengthMux::~CMMFDevSoundCIFileBlockLengthMux()

	{	

	}

// from MMMFDevSoundCustomInterfaceFileBlockLength

void CMMFDevSoundCIFileBlockLengthMux::SetFileBlockLength(TUint aBlockAlign)

	{

	if (iRemoteHandle == -1)

		{

		return;

		}

	// send the BlockAlign in the sync command

	TPckgBuf<TUint> blockAlignBuffer(aBlockAlign);

	iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIBlockLengthSetFileBlockLength, blockAlignBuffer);

	}

// DEMUX //	

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

	{

	return KErrNone;

	}

void CMMFDevSoundCIFileBlockLengthDeMux::Release()

	{

	TUid key = iKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

void CMMFDevSoundCIFileBlockLengthDeMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFDevSoundCIFileBlockLengthDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

	{

	iTarget = aTarget;

	}

void CMMFDevSoundCIFileBlockLengthDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

void CMMFDevSoundCIFileBlockLengthDeMux::RefreshL()

	{

	// refetch the fileblocklength custom interface if we already have a target

	if (iTarget)

		{

		MMMFDevSoundCustomInterfaceFileBlockLength* ptr = NULL;

		ptr = static_cast<MMMFDevSoundCustomInterfaceFileBlockLength*>(iTarget->CustomInterface(KUidCustomInterfaceDevSoundFileBlockLength));

		if (!ptr)

			{

			iFileBlockLengthInterface = NULL;

			User::Leave(KErrNotSupported);

			}

		else

			{

			iFileBlockLengthInterface = ptr;

			}	

		}

	}

MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFDevSoundCIFileBlockLengthDeMux::NewL()

	{

	CMMFDevSoundCIFileBlockLengthDeMux* self = new (ELeave) CMMFDevSoundCIFileBlockLengthDeMux;

	return self;

	}

CMMFDevSoundCIFileBlockLengthDeMux::CMMFDevSoundCIFileBlockLengthDeMux()

	{

	}

CMMFDevSoundCIFileBlockLengthDeMux::~CMMFDevSoundCIFileBlockLengthDeMux()

	{

	}

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

	{

	// fetch the fileblocklength custom interface

	MMMFDevSoundCustomInterfaceFileBlockLength* ptr = NULL;

	ptr = static_cast <MMMFDevSoundCustomInterfaceFileBlockLength*> (iTarget->CustomInterface(KUidCustomInterfaceDevSoundFileBlockLength));

	if (!ptr)

		{

		iFileBlockLengthInterface = NULL;

		User::Leave(KErrNotSupported);

		}

	else

		{

		iFileBlockLengthInterface = ptr;

		}

	return KErrNone;

	}

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

	{

	// nothing to do

	}

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

// using DeMux utility

TInt CMMFDevSoundCIFileBlockLengthDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	TInt retVal = -1;

	switch (data.iCommand)

		{

		case EMMFDevSoundCIBlockLengthSetFileBlockLength:

			{

			// we know that offset 2 contains a TInt

			TPckgBuf<TUint> blockAlignBuffer;

			iUtility->ReadFromInputDesL(aMessage, &blockAlignBuffer);

			DoSetFileBlockLengthL(blockAlignBuffer());

			retVal = KErrNone;

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return retVal;

	}

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

	{

	return KErrNotSupported;

	}

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

	{

	// not used in this interface

	}

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

	{

	// not used in this interface

	}

void CMMFDevSoundCIFileBlockLengthDeMux::DoSetFileBlockLengthL(TUint aBlockAlign)

	{

	if (!iFileBlockLengthInterface)

		{

		User::Leave(KErrNotReady);

		}

	// set the block length		

	iFileBlockLengthInterface->SetFileBlockLength(aBlockAlign);

	}

//

// ImplementationTable

//

const TImplementationProxy ImplementationTable[] = 

	{

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCIFileBlockLengthMux,	CMMFDevSoundCIFileBlockLengthMux::NewL),

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCIFileBlockLengthDeMux, CMMFDevSoundCIFileBlockLengthDeMux::NewL),

	};

//

// ImplementationGroupProxy

//

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

	{

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

	return ImplementationTable;

	}

#ifndef EKA2

/** DLL Entry point */

GLDEF_C TInt E32Dll(TDllReason /*aReason*/)

	{

	return(KErrNone);

	}

#endif