1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef MMFDEVSOUNDCIMUXUTILITY_H

    17 #define MMFDEVSOUNDCIMUXUTILITY_H

    18 

    19 #include <f32file.h>

    20 #include <e32math.h>

    21 #include <s32mem.h> 

    22 #include "mmfaudioclientserver.h"

    23 #include <mmf/server/mmfdevsoundcustominterface.h>

    24 

    25 

    26 /**

    27 * @internalTechnology

    28 * @file

    29 */

    30 

    31 class CMMFDevSoundCIMuxUtility;

    32 class TA3FCustomInterfaceCommand;

    33 NONSHARABLE_CLASS( CMMFDevSoundCIMuxUtility ) : public CBase, 

    34 												public MMMFDevSoundCustomInterfaceMuxUtility

    35 	{

    36 public:

    37 	enum TMMFDevSoundCustomCommand

    38 		{

    39 		EMMFDevSoundCustomCommandCIOpenSlave,

    40 		EMMFDevSoundCustomCommandCICloseSlave,

    41 		EMMFDevSoundCustomCommandCISendSlaveSyncCommand,

    42 		EMMFDevSoundCustomCommandCISendSlaveSyncCommandResult,

    43 		EMMFDevSoundCustomCommandCISendSlaveAsyncCommand,

    44 		EMMFDevSoundCustomCommandCISendSlaveAsyncCommandResult

    45 		};

    46 		

    47 		/*

    48 	* internal class used for Asynchronous Custom Command message passing from CI Mux to Demux.

    49 	*/

    50 

    51 	NONSHARABLE_CLASS(CAsyncCommandCleanup): public CActive

    52 		{

    53 

    54 	public:

    55 			

    56 		static CAsyncCommandCleanup* NewL(CMMFDevSoundCIMuxUtility* aMuxUtility,MMMFDevSoundCustomInterfaceChannel* aCustomChannel);

    57 		~CAsyncCommandCleanup();

    58 		void AsyncCustomCommand(CMMFDevSoundCIMuxUtility::TMMFDevSoundCustomCommand aType,TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf, TDes8* aResultBuf);

    59 

    60 	private:

    61 		void ConstructL();

    62 		void RunL();

    63 		void DoCancel();

    64 		CAsyncCommandCleanup(CMMFDevSoundCIMuxUtility* aMuxUtility,MMMFDevSoundCustomInterfaceChannel* aCustomChannel);

    65 

    66 	public:

    67 		TPckgBuf<TA3FCustomInterfaceCommand>* iCommandBuffer;

    68 

    69 	private:

    70 

    71 		CMMFDevSoundCIMuxUtility* iMuxUtility;

    72 		MMMFDevSoundCustomInterfaceChannel* iCustomChannel;		

    73 		TRequestStatus* iClientRequestStatus;

    74 		};

    75 

    76 public:

    77 	static CMMFDevSoundCIMuxUtility* NewL(MMMFDevSoundCustomInterfaceChannel* aCustomChannel);

    78 	virtual ~CMMFDevSoundCIMuxUtility();

    79 	void ConstructL();

    80 

    81 	// create a custom interface Mux implementation.

    82 	MMMFDevSoundCustomInterfaceMuxPlugin* CreateCustomInterfaceMuxL(TUid aInterfaceId);

    83 	

    84 	// from MMMFDevSoundCustomInterfaceMux interface.

    85 	virtual TInt OpenSlave(TUid, const TDesC8& aPackageBuf);

    86 	virtual void CloseSlave(TInt aHandle);

    87 	virtual TInt SendSlaveSyncCommand(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf);

    88 	virtual TInt SendSlaveSyncCommandResult(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf, TDes8& aResultBuf); 

    89 	virtual void SendSlaveAsyncCommand(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf);

    90 	virtual void SendSlaveAsyncCommandResult(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf, TDes8& aResultBuf);	

    91 	

    92 	void RemoveAsyncCommand(CAsyncCommandCleanup* aAsyncCustomCommandCleanup);

    93 private:

    94 	CMMFDevSoundCIMuxUtility(MMMFDevSoundCustomInterfaceChannel* aCustomChannel);

    95 	// Not owned.

    96 	MMMFDevSoundCustomInterfaceChannel* iCustomChannel;

    97 	RPointerArray <CAsyncCommandCleanup> iAsyncCustomCommandCleanup;

    98 	};

    99 

   100 

   101 /*

   102 * internal class used to pass custom command & custom command type from CI Mux to DeMux.

   103 */

   104 class TA3FCustomInterfaceCommand

   105 	{

   106 public:

   107 	// Custom Interface command (meaning depends on CI in use)

   108 	TInt iCommand;

   109 	// Internal slave command type.

   110 	CMMFDevSoundCIMuxUtility::TMMFDevSoundCustomCommand iType;

   111 	// CI handle (equates to an offset into array of open CIs for most command types)

   112 	TInt iHandle;

   113 	};

   114 	

   115 

   116 #endif