devsoundextensions/mmfcustominterfaces/Ra8DecoderIntfc/Ra8DecoderIntfcProxy/src/ra8custominterfaceproxy.cpp
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     1 /*
       
     2 * Copyright (c) 2002-2007 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:   Custom Interface proxy for RA8 decoder.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include <CustomCommandUtility.h>
       
    22 #include <CustomInterfaceUtility.h>
       
    23 #include <sounddevice.h>
       
    24 #include "Ra8CustomInterfaceProxy.h"
       
    25 #include "Ra8CustomInterfaceMsgs.h"
       
    26 
       
    27 // EXTERNAL DATA STRUCTURES
       
    28 
       
    29 // EXTERNAL FUNCTION PROTOTYPES  
       
    30 
       
    31 // CONSTANTS
       
    32 
       
    33 // MACROS
       
    34 
       
    35 // LOCAL CONSTANTS AND MACROS
       
    36 
       
    37 // MODULE DATA STRUCTURES
       
    38 
       
    39 // LOCAL FUNCTION PROTOTYPES
       
    40 
       
    41 // FORWARD DECLARATIONS
       
    42 
       
    43 // ============================= LOCAL FUNCTIONS ===============================
       
    44 
       
    45 // ================= MEMBER FUNCTIONS =======================
       
    46 
       
    47 // -----------------------------------------------------------------------------
       
    48 // CRa8CustomInterfaceProxy::CRa8CustomInterfaceProxy
       
    49 // C++ default constructor can NOT contain any code, that
       
    50 // might leave.
       
    51 // -----------------------------------------------------------------------------
       
    52 //
       
    53 CRa8CustomInterfaceProxy::CRa8CustomInterfaceProxy(
       
    54                           TMMFMessageDestinationPckg aMessageHandler, 
       
    55                           MCustomCommand& aCustomCommand,
       
    56                           CCustomInterfaceUtility* aCustomInterfaceUtility) :
       
    57 	iCustomCommand(aCustomCommand),
       
    58 	iMessageHandler(aMessageHandler),
       
    59 	iCustomInterfaceUtility(aCustomInterfaceUtility)
       
    60     {
       
    61     }
       
    62 
       
    63 
       
    64 // -----------------------------------------------------------------------------
       
    65 // CRa8CustomInterfaceProxy::ConstructL
       
    66 // Symbian 2nd phase constructor can leave.
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 void CRa8CustomInterfaceProxy::ConstructL()
       
    70     {
       
    71     }
       
    72 
       
    73 // -----------------------------------------------------------------------------
       
    74 // CRa8CustomInterfaceProxy::NewL
       
    75 // Two-phased constructor.
       
    76 // -----------------------------------------------------------------------------
       
    77 //
       
    78 EXPORT_C CRa8CustomInterfaceProxy* CRa8CustomInterfaceProxy::NewL(
       
    79                             TMMFMessageDestinationPckg aMessageHandler, 
       
    80                             MCustomCommand& aCustomCommand,
       
    81                             CCustomInterfaceUtility* aCustomInterfaceUtility)
       
    82     {
       
    83     CRa8CustomInterfaceProxy* self = new(ELeave) CRa8CustomInterfaceProxy(
       
    84                                                     aMessageHandler,
       
    85                                                     aCustomCommand,
       
    86                                                     aCustomInterfaceUtility);
       
    87     CleanupStack::PushL( self );
       
    88     self->ConstructL();
       
    89     CleanupStack::Pop(self);
       
    90     return self;
       
    91     }
       
    92 
       
    93 // -----------------------------------------------------------------------------
       
    94 // CRa8CustomInterfaceProxy::NewL
       
    95 // Two-phased constructor (overloaded version).
       
    96 // -----------------------------------------------------------------------------
       
    97 //
       
    98 EXPORT_C CRa8CustomInterfaceProxy* CRa8CustomInterfaceProxy::NewL(
       
    99                                    CMMFDevSound& aDevSound)
       
   100     {
       
   101     CRa8CustomInterfaceProxy* ra8CustomInterfaceProxy;
       
   102     ra8CustomInterfaceProxy = 
       
   103     (CRa8CustomInterfaceProxy*)aDevSound.CustomInterface(KUidRa8DecHwDeviceCI);
       
   104      
       
   105     if (!ra8CustomInterfaceProxy)
       
   106         {
       
   107         User::Leave(KErrNotFound);
       
   108         }
       
   109         
       
   110     return ra8CustomInterfaceProxy;
       
   111     }
       
   112     
       
   113 // -----------------------------------------------------------------------------
       
   114 // Destructor
       
   115 // -----------------------------------------------------------------------------
       
   116 //
       
   117 EXPORT_C CRa8CustomInterfaceProxy::~CRa8CustomInterfaceProxy()
       
   118     {
       
   119     iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
       
   120     delete iCustomInterfaceUtility;
       
   121     }
       
   122 
       
   123 // -----------------------------------------------------------------------------
       
   124 // CRa8CustomInterfaceProxy::FrameNumber
       
   125 // Sends the custom command for this function to its message handler.
       
   126 // (other items were commented in a header).
       
   127 // -----------------------------------------------------------------------------
       
   128 //
       
   129 EXPORT_C TInt CRa8CustomInterfaceProxy::FrameNumber()
       
   130     {
       
   131     TInt frame = 0;
       
   132 	TPckgBuf<TInt> frameBuf(frame);
       
   133 	TInt status = iCustomCommand.CustomCommandSync(iMessageHandler,
       
   134 	                                               ERa8CiFrameNumber,
       
   135 	                                               KNullDesC8,
       
   136 	                                               KNullDesC8,
       
   137 	                                               frameBuf);
       
   138     if (status == KErrNone)
       
   139         {        
       
   140         frame = frameBuf();
       
   141         }
       
   142     else
       
   143         {        
       
   144         frame = status;
       
   145         }
       
   146     
       
   147 	return frame;
       
   148     }
       
   149     
       
   150 // -----------------------------------------------------------------------------
       
   151 // CRa8CustomInterfaceProxy::SetInitString
       
   152 // Sends the custom command for this function to its message handler.
       
   153 // (other items were commented in a header).
       
   154 // -----------------------------------------------------------------------------
       
   155 //
       
   156 EXPORT_C TInt CRa8CustomInterfaceProxy::SetInitString(TDesC8& aInitString)
       
   157     {
       
   158 	TInt status = iCustomCommand.CustomCommandSync(iMessageHandler,
       
   159 	                                               ERa8CiSetInitString,
       
   160 	                                               aInitString,
       
   161 	                                               KNullDesC8);
       
   162 	return status;
       
   163     }
       
   164 
       
   165 // ========================== OTHER EXPORTED FUNCTIONS =========================
       
   166 
       
   167 // End of File