// 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 "bufferframesconfigci.h"

// Helper class to pass data over process boundary

class TFrameInfo

	{

public:

	TInt iFrameCount;

	TInt iSamplesPerFrame;	

	};

// MUX //

/*****************************************************************************/

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

	{

	// attempt to open the interface link with the

	// remote slave device

	iRemoteHandle = -1;

	TUid slaveId = {KMmfUidCustomInterfaceBufferFramesConfigDeMux};

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

	if (handle >= 0)

		{

		iRemoteHandle = handle;

		}

	return iRemoteHandle;

	}

/*****************************************************************************/

void CMMFBufferFramesConfigMux::Release()

	{

	// close the slave device if it exists

	if (iRemoteHandle > 0)

		{

		// we assume the slave is closed correctly

		iUtility->CloseSlave(iRemoteHandle);

		}

	TUid key = iDestructorKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

/*****************************************************************************/	

void CMMFBufferFramesConfigMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iDestructorKey = aDestructorKey;

	}

/*****************************************************************************/

void CMMFBufferFramesConfigMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

/*****************************************************************************/	

MMMFDevSoundCustomInterfaceMuxPlugin* CMMFBufferFramesConfigMux::NewL()

	{

	CMMFBufferFramesConfigMux* self = new (ELeave) CMMFBufferFramesConfigMux;

	return self;

	}

/*****************************************************************************/	

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

	{

	MMMFBufferFramesConfig* interface = this;

	return interface;

	}

/*****************************************************************************/

CMMFBufferFramesConfigMux::CMMFBufferFramesConfigMux() :

	iRemoteHandle(-1)

	{	

	}

/*****************************************************************************/

CMMFBufferFramesConfigMux::~CMMFBufferFramesConfigMux()

	{	

	}

/*****************************************************************************/

// from MMMFBufferFramesConfig

TInt CMMFBufferFramesConfigMux::MmbfcSetNumberOfFramesPerInputBuffer(TInt aFrameCount, TInt aSamplesPerFrame)

	{

	if (iRemoteHandle > 0)

		{

		TFrameInfo info;

		info.iFrameCount = aFrameCount;

		info.iSamplesPerFrame = aSamplesPerFrame;

		TPckgBuf<TFrameInfo> pckgBuf(info);

		// send the frame information in the sync command

		// any return code other than zero is an error

		return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIInputBufferFramesConfig, 

												pckgBuf);

		}

	else

		{

		return KErrNotReady;

		}

	}

TInt CMMFBufferFramesConfigMux::MmbfcSetNumberOfFramesPerOutputBuffer(TInt aFrameCount, TInt aSamplesPerFrame)

	{

	if (iRemoteHandle > 0)

		{

		TFrameInfo info;

		info.iFrameCount = aFrameCount;

		info.iSamplesPerFrame = aSamplesPerFrame;

		TPckgBuf<TFrameInfo> pckgBuf(info);

		// send the frame information in the sync command

		// any return code other than zero is an error

		return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIOutputBufferFramesConfig, 

												pckgBuf);

		}

	else

		{

		return KErrNotReady;

		}

	}

// DEMUX //	

/*****************************************************************************/

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

	{

	return KErrNone;

	}

/*****************************************************************************/	

void CMMFBufferFramesConfigDeMux::Release()

	{

	TUid key = iDestructorKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

/*****************************************************************************/	

void CMMFBufferFramesConfigDeMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iDestructorKey = aDestructorKey;

	}

/*****************************************************************************/	

void CMMFBufferFramesConfigDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

	{

	iTarget = aTarget;

	}

/*****************************************************************************/	

void CMMFBufferFramesConfigDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

/*****************************************************************************/

void CMMFBufferFramesConfigDeMux::RefreshL()

	{

	// refetch the buffer frames configuration custom interface if we already have a target

	if (iTarget)

		{

		MMMFBufferFramesConfig* ptr = NULL;

		ptr = static_cast <MMMFBufferFramesConfig*> (iTarget->CustomInterface(KUidBufferFramesConfig));

		if (!ptr)

			{

			iInterfaceBufferFramesConfig = NULL;

			User::Leave(KErrNotSupported);

			}

		else

			{

			iInterfaceBufferFramesConfig = ptr;

			}	

		}

	}

/*****************************************************************************/

MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFBufferFramesConfigDeMux::NewL()

	{

	CMMFBufferFramesConfigDeMux* self = new (ELeave) CMMFBufferFramesConfigDeMux;

	return self;

	}

/*****************************************************************************/	

CMMFBufferFramesConfigDeMux::CMMFBufferFramesConfigDeMux()

	{	

	}

/*****************************************************************************/

CMMFBufferFramesConfigDeMux::~CMMFBufferFramesConfigDeMux()

	{

	}

/*****************************************************************************/

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

	{

	// fetch the buffer frames configuration Hw Device custom interface

	MMMFBufferFramesConfig* ptr = NULL;

	ptr = static_cast<MMMFBufferFramesConfig*> (iTarget->CustomInterface(KUidBufferFramesConfig)); 

	if (!ptr)

		{

		iInterfaceBufferFramesConfig = NULL;

		User::Leave(KErrNotSupported);

		}

	else

		{

		iInterfaceBufferFramesConfig = ptr;

		}

	return KErrNone;

	}

/*****************************************************************************/	

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

	{

	// nothing to do

	}

/*****************************************************************************/

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

// using DeMux utility

TInt CMMFBufferFramesConfigDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	TInt retVal = KErrNone;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIInputBufferFramesConfig:

			{

			TPckgBuf<TFrameInfo> info; 

			iUtility->ReadFromInputDesL(aMessage, &info);

			retVal = DoMmbfcSetNumberOfFramesPerInputBuffer(info().iFrameCount, info().iSamplesPerFrame);

			break;

			}

		case EMMFDevSoundCIOutputBufferFramesConfig:

			{

			TPckgBuf<TFrameInfo> info; 

			iUtility->ReadFromInputDesL(aMessage, &info);

			retVal = DoMmbfcSetNumberOfFramesPerOutputBuffer(info().iFrameCount, info().iSamplesPerFrame);

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return retVal;

	}

/*****************************************************************************/	

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

	{

	return KErrNone;

	}

/*****************************************************************************/	

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

	{

	// not used in this interface

	}

/*****************************************************************************/	

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

	{

	// not used in this interface

	}

/*****************************************************************************/

// Buffer frames config custom interface implementation

TInt CMMFBufferFramesConfigDeMux::DoMmbfcSetNumberOfFramesPerInputBuffer(TInt aFrameCount,

																		TInt aSamplesPerFrame)

	{

	if (!iInterfaceBufferFramesConfig)

		{

		return KErrNotReady;

		}

	else

		{

		return iInterfaceBufferFramesConfig->MmbfcSetNumberOfFramesPerInputBuffer(aFrameCount,

																					aSamplesPerFrame);

		}		

	}

TInt CMMFBufferFramesConfigDeMux::DoMmbfcSetNumberOfFramesPerOutputBuffer(TInt aFrameCount,

																			TInt aSamplesPerFrame)

	{

	if (!iInterfaceBufferFramesConfig)

		{

		return KErrNotReady;

		}

	else

		{

		return iInterfaceBufferFramesConfig->MmbfcSetNumberOfFramesPerOutputBuffer(aFrameCount,

																					aSamplesPerFrame);

		}		

	}

/*****************************************************************************/

//

// ImplementationTable

//

const TImplementationProxy ImplementationTable[] = 

	{

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBufferFramesConfigMux, CMMFBufferFramesConfigMux::NewL),

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBufferFramesConfigDeMux, CMMFBufferFramesConfigDeMux::NewL),

	};

/*****************************************************************************/

//

// ImplementationGroupProxy

//

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

	{

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

	return ImplementationTable;

	}