os/mm/devsound/a3fdevsound/src/mmfdevsound/MmfDevSoundCIMuxUtility.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     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