// 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;

 	}