// 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 "underflowautostopcontrolci.h"

 // MUX //

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

 	{

 	// attempt to open the interface link with the

 	// remote slave device

 	iRemoteHandle = -1;

 	TUid slaveId = {KMmfUidCustomInterfaceUnderflowAutoStopCtrlDeMux};

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

 	if (handle >= 0)

 		{

 		iRemoteHandle = handle;

 		}

 	return iRemoteHandle;

 	}

 void CMMFUnderflowAutoStopControlMux::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 CMMFUnderflowAutoStopControlMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iKey = aDestructorKey;

 	}

 void CMMFUnderflowAutoStopControlMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFUnderflowAutoStopControlMux::NewL()

 	{

 	CMMFUnderflowAutoStopControlMux* self = new (ELeave) CMMFUnderflowAutoStopControlMux;

 	return self;

 	}

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

 	{

 	MMMFUnderflowAutoStopControl* interface = this;

 	return interface;

 	}

 CMMFUnderflowAutoStopControlMux::CMMFUnderflowAutoStopControlMux() :

 	iRemoteHandle(-1)

 	{

 	}

 CMMFUnderflowAutoStopControlMux::~CMMFUnderflowAutoStopControlMux()

 	{

 	}

 // from MMMFUnderflowAutoStopControl

 TInt CMMFUnderflowAutoStopControlMux::MmuascTurnOffUnderflowAutoStop ()

 	{

 	TInt result = KErrGeneral;

 	if (iRemoteHandle > 0)

 		{

 		// any return code other than zero is an error

 		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

 												EMMFDevSoundCIUnderflowAutoStopCtrlTurnOffUnderflowAutoStop,

 												KNullDesC8);

 		}

 	return result;

 	}

 // DEMUX //	

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

 	{

 	return KErrNone;

 	}

 void CMMFUnderflowAutoStopControlDeMux::Release()

 	{

 	TUid key = iKey;

 	delete this;

 	// tell ECom to destroy us

 	REComSession::DestroyedImplementation(key);

 	}

 void CMMFUnderflowAutoStopControlDeMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iKey = aDestructorKey;

 	}

 void CMMFUnderflowAutoStopControlDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

 	{

 	iTarget = aTarget;

 	}

 void CMMFUnderflowAutoStopControlDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 void CMMFUnderflowAutoStopControlDeMux::RefreshL()

 	{

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

 	if (iTarget)

 		{

 		iInterfaceUnderflowAutoStopCtrl = static_cast <MMMFUnderflowAutoStopControl*> (iTarget->CustomInterface(KUidUnderflowAutoStopControl));

 		if (!iInterfaceUnderflowAutoStopCtrl)

 			{

 			iInterfaceUnderflowAutoStopCtrl = NULL;

 			User::Leave(KErrNotSupported);

 			}

 		}

 	}

 MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFUnderflowAutoStopControlDeMux::NewL()

 	{

 	CMMFUnderflowAutoStopControlDeMux* self = new (ELeave) CMMFUnderflowAutoStopControlDeMux;

 	return self;

 	}

 CMMFUnderflowAutoStopControlDeMux::CMMFUnderflowAutoStopControlDeMux()

 	{

 	}

 CMMFUnderflowAutoStopControlDeMux::~CMMFUnderflowAutoStopControlDeMux()

 	{

 	}

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

 	{

 	// fetch the UnderflowAutoStop Control  Hw Device custom interface

 	iInterfaceUnderflowAutoStopCtrl = static_cast<MMMFUnderflowAutoStopControl*> (iTarget->CustomInterface(KUidUnderflowAutoStopControl)); 

 	if (!iInterfaceUnderflowAutoStopCtrl)

 		{

 		iInterfaceUnderflowAutoStopCtrl = NULL;

 		User::Leave(KErrNotSupported);

 		}

 	return KErrNone;

 	}

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

 	{

 	// nothing to do

 	}

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

 // using DeMux utility

 TInt CMMFUnderflowAutoStopControlDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

 	{

 	TMMFDevSoundCIMessageData data;

 	TInt result = KErrGeneral;

 	// decode message

 	iUtility->GetSyncMessageDataL(aMessage, data);

 	switch (data.iCommand)

 		{

 		case EMMFDevSoundCIUnderflowAutoStopCtrlTurnOffUnderflowAutoStop:

 			{

 			result = DoMmuascTurnOffUnderflowAutoStopL();

 			break;

 			}

 		default:

 			{

 			User::Leave(KErrNotSupported);

 			}

 		}

 	return result;

 	}

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

 // using DeMux utility

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

 	{

 	return KErrNone;

 	}

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

 	{

 	// not used in this interface

 	}

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

 	{

 	// not used in this interface

 	}

 TInt CMMFUnderflowAutoStopControlDeMux::DoMmuascTurnOffUnderflowAutoStopL()

 	{

 	TInt result = KErrNotFound;

 	if (iInterfaceUnderflowAutoStopCtrl)

 		{

 		result = iInterfaceUnderflowAutoStopCtrl->MmuascTurnOffUnderflowAutoStop();

 		}

 	return result;

 	}

 //

 // ImplementationTable

 //

 const TImplementationProxy ImplementationTable[] = 

 	{

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceUnderflowAutoStopCtrlMux,		CMMFUnderflowAutoStopControlMux::NewL),

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceUnderflowAutoStopCtrlDeMux,	CMMFUnderflowAutoStopControlDeMux::NewL),

 	};

 //

 // ImplementationGroupProxy

 //

 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

 	{

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

 	return ImplementationTable;

 	}