os/mm/devsoundextensions/mmfcustominterfaces/IlbcEncoderIntfc/IlbcEncoderIntfcMsgHdlr/src/IlbcEncoderIntfcMsgHdlr.cpp
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 /*
     2 * Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). 
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description:   Message handler for Ilbc encoder interface
    15 *
    16 */
    17 
    18 
    19 
    20 // INCLUDE FILES
    21 #include    "IlbcEncoderIntfcMsgHdlr.h"
    22 #include    "IlbcEncoderIntfcMsgs.h"
    23 #include    <IlbcEncoderIntfc.h>
    24 
    25 // EXTERNAL DATA STRUCTURES
    26 
    27 // EXTERNAL FUNCTION PROTOTYPES  
    28 
    29 // CONSTANTS
    30 
    31 // MACROS
    32 
    33 // LOCAL CONSTANTS AND MACROS
    34 
    35 // MODULE DATA STRUCTURES
    36 
    37 // LOCAL FUNCTION PROTOTYPES
    38 
    39 // FORWARD DECLARATIONS
    40 
    41 // ============================= LOCAL FUNCTIONS ===============================
    42 
    43 // ============================ MEMBER FUNCTIONS ===============================
    44 
    45 // -----------------------------------------------------------------------------
    46 // CIlbcEncoderIntfcMsgHdlr::CIlbcEncoderIntfcMsgHdlr
    47 // C++ default constructor can NOT contain any code, that
    48 // might leave.
    49 // -----------------------------------------------------------------------------
    50 //
    51 CIlbcEncoderIntfcMsgHdlr::CIlbcEncoderIntfcMsgHdlr(
    52                              CIlbcEncoderIntfc* aIlbcEncoderIntfcCI) :
    53 	CMMFObject(KUidIlbcEncoderIntfc)
    54     {
    55     iIlbcEncoderIntfcCI = aIlbcEncoderIntfcCI;
    56     }
    57 
    58 // -----------------------------------------------------------------------------
    59 // CIlbcEncoderIntfcMsgHdlr::ConstructL
    60 // Symbian 2nd phase constructor can leave.
    61 // -----------------------------------------------------------------------------
    62 //
    63 void CIlbcEncoderIntfcMsgHdlr::ConstructL()
    64     {
    65     }
    66 
    67 // -----------------------------------------------------------------------------
    68 // CIlbcEncoderIntfcMsgHdlr::NewL
    69 // Two-phased constructor.
    70 // -----------------------------------------------------------------------------
    71 //
    72 EXPORT_C CIlbcEncoderIntfcMsgHdlr* CIlbcEncoderIntfcMsgHdlr::NewL(
    73                                                 TAny*  aIlbcEncoderIntfcCI)
    74     {
    75     CIlbcEncoderIntfc* errorConcealmentIntfcCI = 
    76                               (CIlbcEncoderIntfc*)aIlbcEncoderIntfcCI;
    77     CIlbcEncoderIntfcMsgHdlr* self = 
    78             new (ELeave) CIlbcEncoderIntfcMsgHdlr(errorConcealmentIntfcCI);
    79     CleanupStack::PushL( self );
    80     self->ConstructL();
    81     CleanupStack::Pop( self );
    82 
    83     return self;
    84     }
    85 
    86 // Destructor
    87 EXPORT_C CIlbcEncoderIntfcMsgHdlr::~CIlbcEncoderIntfcMsgHdlr()
    88 	{
    89 	delete iIlbcEncoderIntfcCI;
    90 	}
    91 
    92 // ---------------------------------------------------------
    93 // CIlbcEncoderIntfcMsgHdlr::HandleRequest
    94 // Handles the messages from the proxy.
    95 // Calls a subfunction which determines which custom interface to call.
    96 // A subfunction is used to contain multiple leaving functions for a single
    97 // trap.
    98 // (other items were commented in a header).
    99 // ---------------------------------------------------------
   100 //
   101 EXPORT_C void CIlbcEncoderIntfcMsgHdlr::HandleRequest(
   102                                                        TMMFMessage& aMessage)
   103 	{
   104 	ASSERT(aMessage.Destination().InterfaceId() == KUidIlbcEncoderIntfc);
   105 	TRAPD(error,DoHandleRequestL(aMessage));
   106 	if(error)
   107 		{
   108 		aMessage.Complete(error);
   109 		}
   110 	}
   111 
   112 // ---------------------------------------------------------
   113 // CIlbcEncoderIntfcMsgHdlr::DoHandleRequestL
   114 // Determines which custom interface to call.
   115 // (other items were commented in a header).
   116 // ---------------------------------------------------------
   117 //
   118 void CIlbcEncoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)
   119 	{
   120 	switch(aMessage.Function())
   121 		{
   122 		case EIlbceimSetEncoderMode:
   123 			{
   124     		DoSetEncoderModeL(aMessage);
   125 			break;
   126 			}
   127 		case EIlbceimSetVadMode:
   128 			{
   129 			DoSetVadModeL(aMessage);
   130 			break;
   131 			}
   132 		case EIlbceimGetVadMode:
   133 			{
   134 			DoGetVadModeL(aMessage);
   135 			break;
   136 			}
   137 		default:
   138 			{
   139 			aMessage.Complete(KErrNotSupported);
   140 			}
   141 		}
   142 	}
   143 
   144 // ---------------------------------------------------------
   145 // CIlbcEncoderIntfcMsgHdlr::DoSetEncoderModeL
   146 // Handles the message from the proxy and calls the custom interface method.
   147 // The data passed from the proxy is read from the message and passed to
   148 // the custom interface.
   149 // (other items were commented in a header).
   150 // ---------------------------------------------------------
   151 //
   152 void CIlbcEncoderIntfcMsgHdlr::DoSetEncoderModeL(TMMFMessage& aMessage)
   153     {
   154 	TPckgBuf<CIlbcEncoderIntfc::TEncodeMode> pckgBuf;
   155 	aMessage.ReadData1FromClientL(pckgBuf);
   156 	TInt status = iIlbcEncoderIntfcCI->SetEncoderMode(pckgBuf());
   157     aMessage.Complete(status);
   158     }
   159 
   160 // ---------------------------------------------------------
   161 // CIlbcEncoderIntfcMsgHdlr::DoSetVadModeL
   162 // Handles the message from the proxy and calls the custom interface method.
   163 // The data passed from the proxy is read from the message and passed to
   164 // the custom interface.
   165 // (other items were commented in a header).
   166 // ---------------------------------------------------------
   167 //
   168 void CIlbcEncoderIntfcMsgHdlr::DoSetVadModeL(TMMFMessage& aMessage)
   169 	{
   170 	TPckgBuf<TBool> pckgBuf;
   171 	aMessage.ReadData1FromClientL(pckgBuf);
   172 	TInt status = iIlbcEncoderIntfcCI->SetVadMode(pckgBuf());
   173     aMessage.Complete(status);
   174 	}
   175 
   176 // ---------------------------------------------------------
   177 // CIlbcEncoderIntfcMsgHdlr::DoGetVadModeL
   178 // Handles the message from the proxy and calls the custom interface.
   179 // The custom interface returns the data requested and this function
   180 // writes it back to the proxy.
   181 // (other items were commented in a header).
   182 // ---------------------------------------------------------
   183 //
   184 void CIlbcEncoderIntfcMsgHdlr::DoGetVadModeL(TMMFMessage& aMessage)
   185 	{
   186 	TBool vadMode;
   187 	TInt status = iIlbcEncoderIntfcCI->GetVadMode(vadMode);
   188 	if (status == KErrNone)
   189     	{
   190     	TPckgBuf<TBool> pckgBuf;
   191 	    pckgBuf() = vadMode;
   192     	aMessage.WriteDataToClientL(pckgBuf);
   193     	}
   194     aMessage.Complete(status);
   195 	}
   196 
   197     
   198 
   199 
   200 // End of File