// 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