serviceproviders/sapi_sysinfo/src/sysinfoprovider.cpp
changeset 19 989d2f495d90
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14:a36b1e19a461 19:989d2f495d90
       
     1 /*
       
     2 * Copyright (c) 2002 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 the License "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:  CSysInfoProvider class implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <ecom/implementationproxy.h>
       
    20 
       
    21 #include "sysinfoprovider.h"
       
    22 #include "sysinfointerface.h"
       
    23 #include "sysinfoaiwparams.hrh"
       
    24 #include "errormsgs.h"
       
    25 #include "../../inc/serviceerrno.h"
       
    26 
       
    27 using namespace LIW ;
       
    28 using namespace sysinfoaiwparams;
       
    29 //CONSTANTS
       
    30 _LIT8(KCmdName,"cmd");
       
    31 
       
    32 // ============================ MEMBER FUNCTIONS ===============================
       
    33 
       
    34 // -----------------------------------------------------------------------------
       
    35 // CSysInfoProvider::NewL()
       
    36 // Two-phased constructor.
       
    37 // -----------------------------------------------------------------------------
       
    38 //
       
    39 CSysInfoProvider* CSysInfoProvider::NewL()
       
    40     {
       
    41     return new (ELeave) CSysInfoProvider();
       
    42     }
       
    43 
       
    44 // -----------------------------------------------------------------------------
       
    45 // CSysInfoProvider::CSysInfoProvider()
       
    46 // C++ default constructor can NOT contain any code, that might leave.
       
    47 // -----------------------------------------------------------------------------
       
    48 //
       
    49 CSysInfoProvider :: CSysInfoProvider()
       
    50     {
       
    51     }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // CSysInfoProvider::~CSysInfoProvider()
       
    55 // Destructor.
       
    56 // -----------------------------------------------------------------------------
       
    57 //
       
    58 CSysInfoProvider :: ~CSysInfoProvider()
       
    59     {
       
    60     }
       
    61 
       
    62 // -----------------------------------------------------------------------------
       
    63 // CSysInfoProvider::InitialiseL(MLiwNotifyCallback& /*aFrameworkCallback*/,
       
    64 //                                 const RCriteriaArray& aInterest)
       
    65 // Called by the AIW framework to initialise provider with necessary information
       
    66 // from the Service Handler.
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 void CSysInfoProvider::InitialiseL(MLiwNotifyCallback& /*aFrameworkCallback*/,
       
    70                                     const RCriteriaArray& /*aInterest*/)
       
    71     {
       
    72     }
       
    73 
       
    74 // -----------------------------------------------------------------------------
       
    75 // CSysInfoProvider::HandleServiceCmdL(const TInt& aCmdId,
       
    76 //    const CLiwGenericParamList& aInParamList,
       
    77 //    CLiwGenericParamList& aOutParamList,
       
    78 //    TUint aCmdOptions,
       
    79 //    const MLiwNotifyCallback* aCallback)
       
    80 // Called by the AIW framework to initialise provider with necessary information
       
    81 // from the Service Handler.
       
    82 // -----------------------------------------------------------------------------
       
    83 //
       
    84 void CSysInfoProvider::HandleServiceCmdL( const TInt& aCmdId,
       
    85                                 const CLiwGenericParamList& aInParamList,
       
    86                                 CLiwGenericParamList& aOutParamList,
       
    87                                 TUint aCmdOptions,
       
    88                                 const MLiwNotifyCallback* /*aCallback*/ )
       
    89     {
       
    90     // Cancel bit must always be checked. Support can be implemented if necessary.
       
    91     if ( aCmdOptions & KLiwOptCancel )
       
    92         {
       
    93         return;
       
    94         }
       
    95     TPtrC8 CmdName;
       
    96     const TLiwGenericParam* cmd;
       
    97     if ( aCmdId == KLiwCmdAsStr )
       
    98         {
       
    99         TInt pos = 0;
       
   100         cmd = aInParamList.FindFirst(pos,KCmdName);
       
   101         if ( NULL != cmd )
       
   102             {
       
   103             CmdName.Set( cmd->Value().AsData() );
       
   104             }
       
   105         }
       
   106 
       
   107     if ( CmdName == KIDataSource )
       
   108         {
       
   109         //Create interface pointer and return the output param
       
   110         CSysInfoInterface* interface = CSysInfoInterface::NewL();
       
   111         CleanupStack::PushL(interface);
       
   112         aOutParamList.AppendL(TLiwGenericParam(KErrorCode,
       
   113                                             TLiwVariant((TInt32)KErrNone)));
       
   114         aOutParamList.AppendL(TLiwGenericParam(KIDataSource,
       
   115                                             TLiwVariant(interface)));
       
   116         CleanupStack::Pop(interface);
       
   117         }
       
   118     else
       
   119         {
       
   120         aOutParamList.AppendL(TLiwGenericParam(KErrorCode,
       
   121                             TLiwVariant((TInt32)SErrServiceNotSupported)));
       
   122         aOutParamList.AppendL(TLiwGenericParam(KErrorMsg,
       
   123                                             TLiwVariant(KErrInterfaceNotSupported)));
       
   124         }
       
   125     }
       
   126 
       
   127 //
       
   128 // Rest of the file is for ECom initialization.
       
   129 //
       
   130 
       
   131 // Map the interface UIDs to implementation factory functions
       
   132 const TImplementationProxy ImplementationTable[] =
       
   133     {
       
   134     IMPLEMENTATION_PROXY_ENTRY( 0x2000CFBF, CSysInfoProvider::NewL )
       
   135     };
       
   136 
       
   137 // ---------------------------------------------------------
       
   138 // Exported proxy for instantiation method resolution
       
   139 // ---------------------------------------------------------
       
   140 //
       
   141 EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt& aTableCount )
       
   142     {
       
   143     aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
       
   144     return ImplementationTable;
       
   145     }