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os/mm/devsoundextensions/ciextnfactoryplugins/ciextnserverplugin/src/ciextnserverpluginwrapper.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) 2002-2008 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:   Class definition of server plugin wrapper implementing S60 custom interface.

    15  *

    16  */

    17 

    18 #include "ciextnserverpluginwrapper.h"

    19 #include "citraces.h"

    20 #include <AudioInputMessageTypes.h>

    21 #include <ecom.h>

    22 

    23 #define KMuxTempBufferSize 20

    24 

    25 #ifdef __WINSCW__

    26 class MyMCustomInterface

    27     {

    28 public:

    29     virtual TAny* CustomInterface(TUid aCustomeInterface) = 0;

    30     virtual void Release() = 0;

    31     virtual void PassDestructionKey(TUid aUid) = 0;

    32     };

    33 #endif

    34 

    35 CIExtnServerPluginWrapper* CIExtnServerPluginWrapper::NewL(

    36         MCustomInterface& aInterfaceRef)

    37     {

    38     DEB_TRACE0(_L("CIExtnServerPluginWrapper::NewL Begin"));

    39     CIExtnServerPluginWrapper* self = new (ELeave) CIExtnServerPluginWrapper(

    40             aInterfaceRef);

    41     CleanupStack::PushL(self);

    42     self->ConstructL();

    43     CleanupStack::Pop(self);

    44     DEB_TRACE0(_L("CIExtnServerPluginWrapper::NewL End"));

    45     return self;

    46     }

    47 

    48 CIExtnServerPluginWrapper::~CIExtnServerPluginWrapper()

    49     {

    50     DEB_TRACE0(_L("CIExtnServerPluginWrappers::~CIExtnServerPluginWrapper Begin"));

    51     DEB_TRACE0(_L("CIExtnServerPluginWrapper::~CIExtnServerPluginWrapper End"));

    52     }

    53 

    54 CIExtnServerPluginWrapper::CIExtnServerPluginWrapper(

    55         MCustomInterface& aInterfaceRef) :

    56     iCustomInterfaceRef(&aInterfaceRef)

    57     {

    58     }

    59 

    60 void CIExtnServerPluginWrapper::ConstructL()

    61     {

    62 #ifdef __WINSCW__

    63     DEB_TRACE0(_L("Try Loading CI Stub Plugin"));

    64     TUid interfaceUid =

    65         {

    66         0x10207C71

    67         };

    68     TAny* pluginRef;

    69     TRAPD(error, pluginRef = REComSession::CreateImplementationL( interfaceUid, iDtor_ID_Key ));

    70     if (pluginRef)

    71         {

    72         DEB_TRACE1(_L("CreateImplementationL Uid [0x%x]"), iDtor_ID_Key.iUid);

    73         iCustomInterfaceStub = (MyMCustomInterface*) pluginRef;

    74         iCustomInterfaceStub->PassDestructionKey(iDtor_ID_Key);

    75         DEB_TRACE0(_L("CI Stub Loaded"));

    76         }

    77 #endif    

    78 

    79     }

    80 

    81 MCustomInterface* CIExtnServerPluginWrapper::GetInterface()

    82     {

    83     DEB_TRACE0(_L("CIExtnServerPluginWrappers::GetInterface"));

    84     return (MCustomInterface*) this;

    85     }

    86 

    87 TAny* CIExtnServerPluginWrapper::CustomInterface(TUid aInterfaceId)

    88     {

    89     DEB_TRACE0(_L("*CI* CIExtnServerPluginWrapper::CustomInterface"));

    90     TAny* pluginRef = NULL;

    91     pluginRef = iCustomInterfaceRef->CustomInterface(aInterfaceId);

    92 #ifdef __WINSCW__

    93     if (!pluginRef)

    94         {

    95         DEB_TRACE0(_L("*CI* Try Loading CI Stub if present"));

    96         pluginRef = iCustomInterfaceStub->CustomInterface(aInterfaceId);

    97         if (pluginRef)

    98             {

    99             DEB_TRACE0(_L("*CI* CI Stub Loaded"));

   100             }

   101         }

   102 #endif

   103     return pluginRef;

   104     }

   105 

   106 void CIExtnServerPluginWrapper::Release()

   107     {

   108     DEB_TRACE0(_L("CIExtnServerPluginWrappers::Release >> ENTER"));

   109 #ifdef __WINSCW__    

   110     iCustomInterfaceStub->Release();

   111 #endif    

   112     DEB_TRACE0(_L("CIExtnServerPluginWrappers::Release >> EXIT"));

   113     delete this;

   114     }

   115 

   116 /*

   117  TAny* CIExtnServerPluginWrapper::CustomInterface(TUid aInterfaceId)

   118  {

   119  DEB_TRACE0(_L("CIExtnServerPluginWrappers::CustomInterface"));

   120  TUid interfaceUid =

   121  {

   122  0x10207C49

   123  };

   124  TEComResolverParams resolverParams;

   125  DEB_TRACE1(_L("Findig CustomInterface with Uid [0x%x]"),aInterfaceId.iUid);

   126  TInt uidAsInteger = aInterfaceId.iUid;

   127  TBuf8<KMuxTempBufferSize> tempBuffer;

   128  tempBuffer.Num(uidAsInteger, EHex);

   129  resolverParams.SetDataType(tempBuffer);

   130 

   131  TAny* ptr = NULL;

   132  TRAPD(err, ptr=REComSession::CreateImplementationL(

   133  interfaceUid,

   134  _FOFF(CIExtnServerPluginWrapper, iDtor_ID_Key),resolverParams));

   135  if (err != KErrNone)

   136  {

   137  DEB_TRACE1(_L("No Custom Interface found:  Error [%d]"),err);

   138  }

   139  if (ptr)

   140  {

   141  DEB_TRACE1(_L("Stub Present for Uid [0x%x]"),interfaceUid);

   142  return ptr;

   143  }

   144  else

   145  {

   146  return iCustomInterfaceRef->CustomInterface(aInterfaceId);

   147  }

   148  }

   149  */
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