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os/mm/devsoundextensions/mmfcustominterfaces/ErrConcealmentIntfc/ErrorConcealmentIntfcMsgHdlr/src/ErrorConcealmentIntfcMsgHdlr.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     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 error concealment interface

    15 *

    16 */

    17 

    18 

    19 

    20 // INCLUDE FILES

    21 #include    "ErrorConcealmentIntfcMsgHdlr.h"

    22 #include    "ErrorConcealmentIntfcMsgs.h"

    23 #include    <ErrorConcealmentIntfc.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 // CErrorConcealmentIntfcMsgHdlr::CErrorConcealmentIntfcMsgHdlr

    47 // C++ default constructor can NOT contain any code, that

    48 // might leave.

    49 // -----------------------------------------------------------------------------

    50 //

    51 CErrorConcealmentIntfcMsgHdlr::CErrorConcealmentIntfcMsgHdlr(

    52                              CErrorConcealmentIntfc* aErrorConcealmentIntfcCI) :

    53 	CMMFObject(KUidErrorConcealmentIntfc)

    54     {

    55     iErrorConcealmentIntfcCI = aErrorConcealmentIntfcCI;

    56     }

    57 

    58 // -----------------------------------------------------------------------------

    59 // CErrorConcealmentIntfcMsgHdlr::ConstructL

    60 // Symbian 2nd phase constructor can leave.

    61 // -----------------------------------------------------------------------------

    62 //

    63 void CErrorConcealmentIntfcMsgHdlr::ConstructL()

    64     {

    65     }

    66 

    67 // -----------------------------------------------------------------------------

    68 // CErrorConcealmentIntfcMsgHdlr::NewL

    69 // Two-phased constructor.

    70 // -----------------------------------------------------------------------------

    71 //

    72 EXPORT_C CErrorConcealmentIntfcMsgHdlr* CErrorConcealmentIntfcMsgHdlr::NewL(

    73                                                 TAny*  aErrorConcealmentIntfcCI)

    74     {

    75     CErrorConcealmentIntfc* errorConcealmentIntfcCI = 

    76                               (CErrorConcealmentIntfc*)aErrorConcealmentIntfcCI;

    77     CErrorConcealmentIntfcMsgHdlr* self = 

    78             new (ELeave) CErrorConcealmentIntfcMsgHdlr(errorConcealmentIntfcCI);

    79     CleanupStack::PushL( self );

    80     self->ConstructL();

    81     CleanupStack::Pop( self );

    82 

    83     return self;

    84     }

    85 

    86 // Destructor

    87 EXPORT_C CErrorConcealmentIntfcMsgHdlr::~CErrorConcealmentIntfcMsgHdlr()

    88 	{

    89 	delete iErrorConcealmentIntfcCI;

    90 	}

    91 

    92 // ---------------------------------------------------------

    93 // CErrorConcealmentIntfcMsgHdlr::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 CErrorConcealmentIntfcMsgHdlr::HandleRequest(

   102                                                        TMMFMessage& aMessage)

   103 	{

   104 	ASSERT(aMessage.Destination().InterfaceId() == KUidErrorConcealmentIntfc);

   105 	TRAPD(error,DoHandleRequestL(aMessage));

   106 	if(error)

   107 		{

   108 		aMessage.Complete(error);

   109 		}

   110 	}

   111 

   112 // ---------------------------------------------------------

   113 // CErrorConcealmentIntfcMsgHdlr::DoHandleRequestL

   114 // Determines which custom interface to call.

   115 // (other items were commented in a header).

   116 // ---------------------------------------------------------

   117 //

   118 void CErrorConcealmentIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)

   119 	{

   120 	switch(aMessage.Function())

   121 		{

   122 		case EEcimConcealError:

   123 			{

   124     		DoConcealErrorForNextBufferL(aMessage);

   125 			break;

   126 			}

   127 		case EEcimSetFrameMode:

   128 			{

   129     		DoSetFrameModeL(aMessage);

   130 			break;

   131 			}

   132 		case EEcimFrameModeRqrd:

   133 			{

   134     		DoFrameModeRqrdForEcL(aMessage);

   135 			break;

   136 			}

   137 		default:

   138 			{

   139 			aMessage.Complete(KErrNotSupported);

   140 			}

   141 		}

   142 	}

   143 

   144 // ---------------------------------------------------------

   145 // CErrorConcealmentIntfcMsgHdlr::DoConcealErrorForNextBufferL

   146 // Handles the message from the proxy and calls the custom interface method.

   147 // (other items were commented in a header).

   148 // ---------------------------------------------------------

   149 //

   150 void CErrorConcealmentIntfcMsgHdlr::DoConcealErrorForNextBufferL(

   151                                                          TMMFMessage& aMessage)

   152     {

   153 	TInt status = iErrorConcealmentIntfcCI->ConcealErrorForNextBuffer();

   154     aMessage.Complete(status);

   155     }

   156     

   157 // ---------------------------------------------------------

   158 // CErrorConcealmentIntfcMsgHdlr::DoSetFrameModeL

   159 // Handles the message from the proxy and calls the custom interface method.

   160 // The data passed from the proxy is read from the message and passed to

   161 // the custom interface.

   162 // (other items were commented in a header).

   163 // ---------------------------------------------------------

   164 //

   165 void CErrorConcealmentIntfcMsgHdlr::DoSetFrameModeL(TMMFMessage& aMessage)

   166     {

   167 	TPckgBuf<TBool> pckg;

   168 	aMessage.ReadData1FromClientL(pckg);

   169 	TInt status = iErrorConcealmentIntfcCI->SetFrameMode(pckg());

   170     aMessage.Complete(status);

   171     }

   172     

   173 // ---------------------------------------------------------

   174 // CErrorConcealmentIntfcMsgHdlr::DoFrameModeRqrdForEcL

   175 // Handles the message from the proxy and calls the custom interface method.

   176 // The custom interface returns the data requested and this function

   177 // writes it back to the proxy.

   178 // (other items were commented in a header).

   179 // ---------------------------------------------------------

   180 //

   181 void CErrorConcealmentIntfcMsgHdlr::DoFrameModeRqrdForEcL(TMMFMessage& aMessage)

   182     {

   183 	TBool frameModeRqrd;

   184 	TInt status = iErrorConcealmentIntfcCI->FrameModeRqrdForEC(frameModeRqrd);

   185 	if (status == KErrNone)

   186     	{

   187     	TPckgBuf<TBool> pckg;

   188 	    pckg() = frameModeRqrd;

   189     	aMessage.WriteDataToClientL(pckg);

   190     	}

   191     aMessage.Complete(status);

   192     }

   193 

   194 // End of File
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