--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/devsoundpluginsupport/src/CustomInterfaces/CMMFDevSoundCIFileBlockLength.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,220 @@
+// Copyright (c) 2006-2009 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 CMMFDEVSOUNDCIFILEBLOCKLENGTH_H
+#define CMMFDEVSOUNDCIFILEBLOCKLENGTH_H
+
+#include <e32base.h>
+#include <mmf/common/mmfipc.h>
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include <mmf/common/mmfipcserver.h>
+#endif
+#include <mmf/server/mmfdevsoundcustominterface.h>
+#include <mmf/server/mmfdevsoundcustomcommands.h>
+#include <mmf/server/devsoundstandardcustominterfaces.h>
+
+
+enum TMMFDevSoundCIBlockLengthCommands
+	{
+	EMMFDevSoundCIBlockLengthSetFileBlockLength = 0
+	};
+
+/**
+ * CMMFDevSoundCIFileBlockLengthMux
+ *
+ * implementation of the FileBlockLength custom interface pair
+ */
+class CMMFDevSoundCIFileBlockLengthMux : public CBase,
+			      	 			 public MMMFDevSoundCustomInterfaceMuxPlugin,
+			      	 			 public MMMFDevSoundCustomInterfaceFileBlockLength
+	{
+public:
+	/**
+	Attempt to open the interface.
+	@param aInterfaceId
+		   The UID of the interface to open.
+	@return one of the system wide error codes
+	*/
+	virtual TInt OpenInterface(TUid aInterfaceId);
+
+	/**
+	Equivalent to destructor.  Called to destroy plugin.
+	*/
+	virtual void Release();
+	/**
+	Pass destructor key.
+	Called on construction so plugin takes responsibility to call REComSession::DestroyedImplementation()
+	@param aDestructorKey
+	       The Uid returned by REComSession::CreateImplementationL() or similar
+	*/
+	virtual void PassDestructorKey(TUid aDestructorKey);
+	
+	/**
+	Complete construction.
+	Pass additional values from the construction phase, used subsequently by the plugin.
+	@param aCustomUtility
+	       The custom interface utility used by the plugin to communicate with the remote
+		   server side DeMux plugin
+	*/
+	virtual void CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility);
+
+	/** 
+	Return the custom interface
+	@param aInterfaceId
+		   The UID of the required custom interface
+	@return the custom interface supported by this plugin
+	*/
+	virtual TAny* CustomInterface(TUid aInterfaceId);
+
+	/**
+	Instantiate a CMMFDevSoundCIFileBlockLengthMux class
+	@return the pointer to the new class, cast to the Mux plugin mixin
+	*/
+	static MMMFDevSoundCustomInterfaceMuxPlugin* NewL();
+
+protected:
+	// from MMMFDevSoundCustomInterfaceFileBlockLength
+	virtual void SetFileBlockLength(TUint aBlockAlign);
+
+	CMMFDevSoundCIFileBlockLengthMux();
+	~CMMFDevSoundCIFileBlockLengthMux();
+
+protected:
+	TUid iKey;
+	TInt iRemoteHandle;
+	MMMFDevSoundCustomInterfaceMuxUtility* iUtility;
+	};
+
+
+/**
+ * DeMux side of pair
+ */
+
+class CMMFDevSoundCIFileBlockLengthDeMux : public CBase,
+			      	   			   public MMMFDevSoundCustomInterfaceDeMuxPlugin
+	{
+public:
+	/**
+	Instantiate a CMMFDevSoundCIFileBlockLengthDeMux class
+	@return a pointer to the new class cast to the DeMux plugin mixin
+	*/
+	static MMMFDevSoundCustomInterfaceDeMuxPlugin* NewL();
+		
+	/**
+	Attempt to open the interface.
+	@param aInterfaceId
+		   The UID of the interface to open.
+	@return a handle to the remote plugin
+	*/
+	virtual TInt OpenInterface(TUid aInterfaceId);
+
+	/**
+	Equivalent to destructor.  Called to destroy plugin.
+	*/
+	virtual void Release();
+	/**
+	Pass destructor key.
+	Called on construction so plugin takes responsibility to call REComSession::DestroyedImplementation()
+	@param aDestructorKey
+	       The Uid returned by REComSession::CreateImplementationL() or similar
+	*/
+	virtual void PassDestructorKey(TUid aDestructorKey);
+	
+	/**
+	Set the target of the custom interface call
+	@param aTarget
+	       The DevSound to call the custom interface on.
+	*/
+	virtual void SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget);
+	
+	/**
+	Complete construction.
+	@param aUtility
+	       The DeMux utility to use
+	*/
+	virtual void CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aUtility);
+
+	/**
+	Refresh the current custom interface connections
+	*/
+	virtual void RefreshL();
+
+	// from MMMFDeMuxInterface
+	/**
+	Open the slave
+	@param aInterface
+		   The UID of the requested interface
+	@param aPackageBuf
+		   A package of data that can be supplied for initialisation
+	@return the result of the operation
+	 */
+	virtual TInt DoOpenSlaveL(TUid aInterface, const TDesC8& aPackageBuf);
+
+	/** 
+	Close the slave
+	@param aHandle
+		   The handle of the slave plugin
+	 */
+	virtual void DoCloseSlaveL(TInt aHandle);
+
+	// original RMessage is supplied so that remote demux plugin can extract necessary details
+	// using DeMux utility
+
+	/**
+	Relay the synchronous custom command onto the slave
+	@param aMessage
+		   The IPC message to be sent to the slave
+	@return the result of the operation
+	 */
+	virtual TInt DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage);
+
+	/**
+	Relay the synchronous custom command onto the slave and obtain a result
+	@param aMessage
+		   The IPC message to be sent to the slave
+	@return the result of the operation
+	 */
+	virtual TInt DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage);
+
+	/**
+	Relay an asynchronous command onto the slave
+	@param aMessage
+		   The IPC message to be sent to the slave
+	 */
+	virtual void DoSendSlaveAsyncCommandL(const RMmfIpcMessage& aMessage);
+
+	/**
+	Relay an asynchronous command onto the slave and obtain a result
+	@param aMessage
+		   The IPC message to be sent to the slave@param aMessage
+	 */
+	virtual void DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& aMessage);
+ 
+protected:
+	~CMMFDevSoundCIFileBlockLengthDeMux();
+	CMMFDevSoundCIFileBlockLengthDeMux();
+
+	// implementation of FileBlockLength custom interface
+	void DoSetFileBlockLengthL(TUint aBlockAlign);
+
+protected:
+	MMMFDevSoundCustomInterfaceDeMuxUtility* iUtility;
+	MMMFDevSoundCustomInterfaceTarget* iTarget;
+	MMMFDevSoundCustomInterfaceFileBlockLength* iFileBlockLengthInterface;
+	TUid iKey;
+
+	};
+
+#endif