--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/devsoundpluginsupport/src/CustomInterfaces/underflowautostopcontrolci.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,289 @@
+// 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;
+	}
+