// 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 "dspcontrolci.h"

// MUX //

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

	{

	// attempt to open the interface link with the

	// remote slave device

	iRemoteHandle = -1;

	TUid slaveId = {KMmfUidCustomInterfaceDspControlDeMux};

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

	if (handle >= 0)

		{

		iRemoteHandle = handle;

		}

	return iRemoteHandle;

	}

void CMMFDspControlMux::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 CMMFDspControlMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFDspControlMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDspControlMux::NewL()

	{

	CMMFDspControlMux* self = new (ELeave) CMMFDspControlMux;

	return self;

	}

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

	{

	MMMFDSPControl* interface = this;

	return interface;

	}

CMMFDspControlMux::CMMFDspControlMux() :

	iRemoteHandle(-1)

	{

	}

CMMFDspControlMux::~CMMFDspControlMux()

	{

	}

// from MMMFDSPControl

TInt CMMFDspControlMux::MmdspcGetAudioPlaybackInfo (TInt64& aSamplesPlayed,

													TInt64& aSystemTime,

													TUint& aBytesDecoderConsumed,

													TUint& aBytesDecoderDecoded)

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// holds the returned value

		TPckgBuf<TAudioPlaybackInfo> returnVal;

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,

													  EMMFDevSoundCIDspCtrlGetAudioPlaybackInfo,

													  KNullDesC8,

													  returnVal);

		// assign returned value to the individual parameter. Do nothing if there is an error

		if(result == KErrNone)

			{

			aSamplesPlayed = returnVal().iSamplesPlayed;

			aSystemTime = returnVal().iSystemTime;

			aBytesDecoderConsumed = returnVal().iBytesDecoderConsumed;

			aBytesDecoderDecoded = returnVal().iBytesDecoderDecoded;

			}

		}

	return result;

	}

// from MMMFDSPControl

TInt CMMFDspControlMux::MmdspcAcceptRecordBuffersInvalidFollowingStop()

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

												EMMFDevSoundCIDspCtrlAcceptRecordBuffersInvalidFollowingStop,

												KNullDesC8);

		}

	return result;

	}

// from MMMFDSPControl

TInt CMMFDspControlMux::MmdspcAcceptPlaybackBuffersInvalidFollowingStop()

	{

	TInt result = KErrBadHandle;

	if (iRemoteHandle > 0)

		{

		// any return code other than zero is an error

		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

												EMMFDevSoundCIDspCtrlAcceptPlaybackBuffersInvalidFollowingStop,

												KNullDesC8);

		}

	return result;

	}

// DEMUX //	

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

	{

	return KErrNone;

	}

void CMMFDspControlDeMux::Release()

	{

	TUid key = iKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

void CMMFDspControlDeMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iKey = aDestructorKey;

	}

void CMMFDspControlDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

	{

	iTarget = aTarget;

	}

void CMMFDspControlDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

void CMMFDspControlDeMux::RefreshL()

	{

	// refetch the DSP Control  custom interface if we already have a target

	if (iTarget)

		{

		iInterfaceDspControl = static_cast <MMMFDSPControl*> (iTarget->CustomInterface(KUidDSPControl));

		if (!iInterfaceDspControl)

			{

			iInterfaceDspControl = NULL;

			User::Leave(KErrNotSupported);

			}

		}

	}

MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFDspControlDeMux::NewL()

	{

	CMMFDspControlDeMux* self = new (ELeave) CMMFDspControlDeMux;

	return self;

	}

CMMFDspControlDeMux::CMMFDspControlDeMux()

	{

	}

CMMFDspControlDeMux::~CMMFDspControlDeMux()

	{

	}

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

	{

	// fetch the DSP Control  Hw Device custom interface

	iInterfaceDspControl = static_cast<MMMFDSPControl*> (iTarget->CustomInterface(KUidDSPControl)); 

	if (!iInterfaceDspControl)

		{

		iInterfaceDspControl = NULL;

		User::Leave(KErrNotSupported);

		}

	return KErrNone;

	}

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

	{

	// nothing to do

	}

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

// using DeMux utility

TInt CMMFDspControlDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	TInt result = KErrGeneral;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIDspCtrlAcceptRecordBuffersInvalidFollowingStop:

			{

			result = DoMmdspcAcceptRecordBuffersInvalidFollowingStopL();

			break;

			}

		case EMMFDevSoundCIDspCtrlAcceptPlaybackBuffersInvalidFollowingStop:

			{

			result = DoMmdspcAcceptPlaybackBuffersInvalidFollowingStopL();

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return result;

	}

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

// using DeMux utility

TInt CMMFDspControlDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	TInt result = KErrGeneral;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIDspCtrlGetAudioPlaybackInfo:

			{

			TPckgBuf<TAudioPlaybackInfo> pckData;

			iUtility->ReadFromInputDesL(aMessage, &pckData);

			result = DoMmdspcGetAudioPlaybackInfoL(pckData().iSamplesPlayed,

												   pckData().iSystemTime,

												   pckData().iBytesDecoderConsumed,

												   pckData().iBytesDecoderDecoded);

			TPckgBuf<TAudioPlaybackInfo> des(pckData());

			iUtility->WriteToOutputDesL(aMessage, des);

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return result;

	}

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

	{

	// not used in this interface

	}

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

	{

	// not used in this interface

	}

TInt CMMFDspControlDeMux::DoMmdspcAcceptRecordBuffersInvalidFollowingStopL()

	{

	TInt result = KErrNotFound;

	if (iInterfaceDspControl)

		{

		result = iInterfaceDspControl->MmdspcAcceptRecordBuffersInvalidFollowingStop();

		}

	return result;

	}

TInt CMMFDspControlDeMux::DoMmdspcAcceptPlaybackBuffersInvalidFollowingStopL()

	{

	TInt result = KErrNotFound;

	if (iInterfaceDspControl)

		{

		result = iInterfaceDspControl->MmdspcAcceptPlaybackBuffersInvalidFollowingStop();

		}

	return result;

	}

TInt CMMFDspControlDeMux::DoMmdspcGetAudioPlaybackInfoL(TInt64& aSamplesPlayed,

														TInt64& aSystemTime,

														TUint& aBytesDecoderConsumed,

														TUint& aBytesDecoderDecoded)

	{

	TInt result = KErrNotFound;

	if (iInterfaceDspControl)

		{

		result = iInterfaceDspControl->MmdspcGetAudioPlaybackInfo(aSamplesPlayed,

																  aSystemTime,

																  aBytesDecoderConsumed,

																  aBytesDecoderDecoded);

		}

	return result;

	}

//

// ImplementationTable

//

const TImplementationProxy ImplementationTable[] = 

	{

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceDspControlMux,		CMMFDspControlMux::NewL),

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceDspControlDeMux,	CMMFDspControlDeMux::NewL),

	};

//

// ImplementationGroupProxy

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

	{

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

	return ImplementationTable;

	}