// 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