// 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;

 	}