--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/a3fdevsound/src/mmfdevsound/MmfDevSoundCIMuxUtility.h	Thu Oct 07 22:34:12 2010 +0100
@@ -0,0 +1,116 @@
+// Copyright (c) 2005-2009 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:
+//
+
+#ifndef MMFDEVSOUNDCIMUXUTILITY_H
+#define MMFDEVSOUNDCIMUXUTILITY_H
+
+#include <f32file.h>
+#include <e32math.h>
+#include <s32mem.h> 
+#include "mmfaudioclientserver.h"
+#include <mmf/server/mmfdevsoundcustominterface.h>
+
+
+/**
+* @internalTechnology
+* @file
+*/
+
+class CMMFDevSoundCIMuxUtility;
+class TA3FCustomInterfaceCommand;
+NONSHARABLE_CLASS( CMMFDevSoundCIMuxUtility ) : public CBase, 
+												public MMMFDevSoundCustomInterfaceMuxUtility
+	{
+public:
+	enum TMMFDevSoundCustomCommand
+		{
+		EMMFDevSoundCustomCommandCIOpenSlave,
+		EMMFDevSoundCustomCommandCICloseSlave,
+		EMMFDevSoundCustomCommandCISendSlaveSyncCommand,
+		EMMFDevSoundCustomCommandCISendSlaveSyncCommandResult,
+		EMMFDevSoundCustomCommandCISendSlaveAsyncCommand,
+		EMMFDevSoundCustomCommandCISendSlaveAsyncCommandResult
+		};
+		
+		/*
+	* internal class used for Asynchronous Custom Command message passing from CI Mux to Demux.
+	*/
+
+	NONSHARABLE_CLASS(CAsyncCommandCleanup): public CActive
+		{
+
+	public:
+			
+		static CAsyncCommandCleanup* NewL(CMMFDevSoundCIMuxUtility* aMuxUtility,MMMFDevSoundCustomInterfaceChannel* aCustomChannel);
+		~CAsyncCommandCleanup();
+		void AsyncCustomCommand(CMMFDevSoundCIMuxUtility::TMMFDevSoundCustomCommand aType,TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf, TDes8* aResultBuf);
+
+	private:
+		void ConstructL();
+		void RunL();
+		void DoCancel();
+		CAsyncCommandCleanup(CMMFDevSoundCIMuxUtility* aMuxUtility,MMMFDevSoundCustomInterfaceChannel* aCustomChannel);
+
+	public:
+		TPckgBuf<TA3FCustomInterfaceCommand>* iCommandBuffer;
+
+	private:
+
+		CMMFDevSoundCIMuxUtility* iMuxUtility;
+		MMMFDevSoundCustomInterfaceChannel* iCustomChannel;		
+		TRequestStatus* iClientRequestStatus;
+		};
+
+public:
+	static CMMFDevSoundCIMuxUtility* NewL(MMMFDevSoundCustomInterfaceChannel* aCustomChannel);
+	virtual ~CMMFDevSoundCIMuxUtility();
+	void ConstructL();
+
+	// create a custom interface Mux implementation.
+	MMMFDevSoundCustomInterfaceMuxPlugin* CreateCustomInterfaceMuxL(TUid aInterfaceId);
+	
+	// from MMMFDevSoundCustomInterfaceMux interface.
+	virtual TInt OpenSlave(TUid, const TDesC8& aPackageBuf);
+	virtual void CloseSlave(TInt aHandle);
+	virtual TInt SendSlaveSyncCommand(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf);
+	virtual TInt SendSlaveSyncCommandResult(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf, TDes8& aResultBuf); 
+	virtual void SendSlaveAsyncCommand(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf);
+	virtual void SendSlaveAsyncCommandResult(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf, TDes8& aResultBuf);	
+	
+	void RemoveAsyncCommand(CAsyncCommandCleanup* aAsyncCustomCommandCleanup);
+private:
+	CMMFDevSoundCIMuxUtility(MMMFDevSoundCustomInterfaceChannel* aCustomChannel);
+	// Not owned.
+	MMMFDevSoundCustomInterfaceChannel* iCustomChannel;
+	RPointerArray <CAsyncCommandCleanup> iAsyncCustomCommandCleanup;
+	};
+
+
+/*
+* internal class used to pass custom command & custom command type from CI Mux to DeMux.
+*/
+class TA3FCustomInterfaceCommand
+	{
+public:
+	// Custom Interface command (meaning depends on CI in use)
+	TInt iCommand;
+	// Internal slave command type.
+	CMMFDevSoundCIMuxUtility::TMMFDevSoundCustomCommand iType;
+	// CI handle (equates to an offset into array of open CIs for most command types)
+	TInt iHandle;
+	};
+	
+
+#endif