apengine/apeng/src/APNetworks.cpp
changeset 0 5a93021fdf25
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     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 "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:  Declaration of the CApNetworks class.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include <cdbcols.h>
       
    21 #include <commdb.h>
       
    22 #include <eikdef.h>
       
    23 #include <d32dbms.h>
       
    24 #include <ApNetworkItem.h>
       
    25 #include <ApNetworkItemList.h>
       
    26 #include <ApEngineConsts.h>
       
    27 
       
    28 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
       
    29 #include <ProtectDb.h>
       
    30 #else
       
    31 #include <comms-infras/commdb/protection/protectdb.h>
       
    32 #endif
       
    33 
       
    34 #include "ApNetworks.h"
       
    35 #include "ApEngineLogger.h"
       
    36 #include "ApEngineCommons.h"
       
    37 
       
    38 
       
    39 
       
    40 
       
    41 // LOCAL CONSTANTS AND MACROS
       
    42 
       
    43 // LOCAL FUNCTION PROTOTYPES
       
    44 
       
    45 // ================= MEMBER FUNCTIONS =======================
       
    46 // Two-phased constructor.
       
    47 // ---------------------------------------------------------
       
    48 // CApNetworks::NewLC
       
    49 // ---------------------------------------------------------
       
    50 //
       
    51 EXPORT_C CApNetworks* CApNetworks::NewLC( CCommsDatabase& aDb )
       
    52     {
       
    53     CLOG( ( ENetworks, 0, _L( "-> CApNetworks::NewLC" ) ) );
       
    54 
       
    55     CApNetworks* db = new( ELeave ) CApNetworks;
       
    56     CleanupStack::PushL( db );
       
    57     db->ConstructL( aDb );
       
    58 
       
    59     CLOG( ( ENetworks, 1, _L( "<- CApNetworks::NewLC" ) ) );
       
    60     return db;
       
    61     }
       
    62 
       
    63 
       
    64 // Destructor
       
    65 // ---------------------------------------------------------
       
    66 // CApNetworks::~CApNetworks
       
    67 // ---------------------------------------------------------
       
    68 //
       
    69 EXPORT_C CApNetworks::~CApNetworks()
       
    70     {
       
    71     CLOG( ( ENetworks, 0, _L( "-> CApNetworks::~CApNetworks" ) ) );
       
    72 
       
    73     if ( iApList )
       
    74         {
       
    75         iApList->ResetAndDestroy();
       
    76         delete iApList;
       
    77         }
       
    78 
       
    79     CLOG( ( ENetworks, 1, _L( "<- CApNetworks::~CApNetworks" ) ) );
       
    80     }
       
    81 
       
    82 
       
    83 // C++ default constructor can NOT contain any code that
       
    84 // might leave.
       
    85 //
       
    86 // ---------------------------------------------------------
       
    87 // CApNetworks::CApNetworks
       
    88 // ---------------------------------------------------------
       
    89 //
       
    90 EXPORT_C CApNetworks::CApNetworks()
       
    91 :iCount( 0 )
       
    92     {
       
    93     }
       
    94 
       
    95 
       
    96 // Symbian OS default constructor can leave.
       
    97 // ---------------------------------------------------------
       
    98 // CApNetworks::ConstructL
       
    99 // ---------------------------------------------------------
       
   100 //
       
   101 EXPORT_C void CApNetworks::ConstructL( CCommsDatabase& aDb )
       
   102 
       
   103     {
       
   104     CLOG( ( ENetworks, 0, _L( "-> CApNetworks::ConstructL" ) ) );
       
   105 
       
   106     iApList = new( ELeave )CApNetworkItemList();
       
   107     iDb = &aDb;
       
   108     DoUpdateL();
       
   109 
       
   110     CLOG( ( ENetworks, 1, _L( "<- CApNetworks::ConstructL" ) ) );
       
   111     }
       
   112 
       
   113 
       
   114 
       
   115 // ---------------------------------------------------------
       
   116 // CApNetworks::Count
       
   117 // ---------------------------------------------------------
       
   118 //
       
   119 EXPORT_C TUint32 CApNetworks::Count() const
       
   120     {
       
   121     CLOG( ( ENetworks, 0, _L( "<-> CApNetworks::Count" ) ) );
       
   122 
       
   123     return iApList->Count( );
       
   124     }
       
   125 
       
   126 
       
   127 // ---------------------------------------------------------
       
   128 // CApNetworks::Name
       
   129 // ---------------------------------------------------------
       
   130 //
       
   131 EXPORT_C const TDesC& CApNetworks::NameL( TUint32 aUid ) const
       
   132     {
       
   133     CLOG( ( ENetworks, 0, _L( "-> CApNetworks::NameL" ) ) );
       
   134 
       
   135     CApNetworkItem* item = 
       
   136         CONST_CAST( CApNetworkItem*, iApList->ItemForUid( aUid ) );
       
   137     if ( item == NULL )
       
   138         {
       
   139         User::Leave( KErrNotFound );
       
   140         }
       
   141 
       
   142     CLOG( ( ENetworks, 1, _L( "<- CApNetworks::NameL" ) ) );
       
   143     return (item->Name() );
       
   144     }
       
   145 
       
   146 
       
   147 
       
   148 
       
   149 
       
   150 
       
   151 // ---------------------------------------------------------
       
   152 // CApNetworks::AllListItemDataL
       
   153 // ---------------------------------------------------------
       
   154 //
       
   155 EXPORT_C TInt CApNetworks::AllListItemDataL( CApNetworkItemList& aList )
       
   156     {
       
   157     CLOG( ( ENetworks, 0, _L( "-> CApNetworks::AllListItemDataL" ) ) );
       
   158 
       
   159     aList.ResetAndDestroy();
       
   160 
       
   161     CApNetworkItem* item=NULL;
       
   162 
       
   163     TInt i;
       
   164     TInt count = iApList->Count();
       
   165     for ( i=0; i<count; i++ )
       
   166         {
       
   167         item = CApNetworkItem::NewLC( ( *iApList )[i] );
       
   168         aList.AppendL( item );
       
   169         CleanupStack::Pop( item ); // item owned by aList !
       
   170         }
       
   171     CLOG( ( ENetworks, 1, _L( "<- CApNetworks::AllListItemDataL" ) ) );
       
   172 
       
   173     return aList.Count();
       
   174     }
       
   175 
       
   176 
       
   177 
       
   178 
       
   179 // ================= OTHER EXPORTED FUNCTIONS ==============
       
   180 
       
   181 // ================== OTHER MEMBER FUNCTIONS ===============
       
   182 
       
   183 
       
   184 
       
   185 // ---------------------------------------------------------
       
   186 // CApNetworks::DoUpdate
       
   187 // ---------------------------------------------------------
       
   188 //
       
   189 TInt CApNetworks::DoUpdateL()
       
   190     {
       
   191     CLOG( ( ENetworks, 0, _L( "-> CApNetworks::DoUpdateL" ) ) );
       
   192 
       
   193     TInt err( KErrNone );
       
   194 
       
   195     TBool OwnTransaction = ApCommons::StartPushedTransactionLC( *iDb );
       
   196 
       
   197     CCommsDbTableView* networkt =  iDb->OpenTableLC( TPtrC(NETWORK) );
       
   198 
       
   199     err = networkt->GotoFirstRecord();
       
   200 
       
   201     if ( ( err == KErrNone ) || ( err == KErrNotFound ) )
       
   202         { // even if it is empty, we must clear the list.
       
   203         // otherwise, Leave
       
   204         // fill up list. First empty it
       
   205         iApList->ResetAndDestroy();
       
   206         iCount = 0;
       
   207         TUint32 temp( 0 );
       
   208         TInt length( 0 );
       
   209 
       
   210         CApNetworkItem* item = NULL;
       
   211         CApNetworkItemList* tmpnetlist = new( ELeave )CApNetworkItemList();
       
   212         HBufC* tmp = NULL;
       
   213         CleanupStack::PushL( tmpnetlist );
       
   214         
       
   215         if ( err == KErrNone )
       
   216             { // now get the names and UIDs
       
   217             TBool goon( ETrue );
       
   218             do
       
   219                 {
       
   220                 err = ApCommons::ReadUintL( networkt, TPtrC(COMMDB_ID), temp );
       
   221 
       
   222                 networkt->ReadColumnLengthL( TPtrC(COMMDB_NAME), length );
       
   223                 tmp = HBufC::NewLC( length );
       
   224                 TPtr tmpptr( tmp->Des() );
       
   225                 networkt->ReadTextL( TPtrC(COMMDB_NAME), tmpptr );
       
   226                 item = CApNetworkItem::NewLC( );
       
   227                 item->SetUid( temp );
       
   228                 item->SetNameL( tmpptr );
       
   229                 tmpnetlist->AppendL( item );
       
   230                 CleanupStack::Pop( item ); // item owned by list !
       
   231 
       
   232                 err = networkt->GotoNextRecord();
       
   233                 if ( err == KErrNotFound )
       
   234                     {
       
   235                     goon = EFalse;
       
   236                     }
       
   237                 else
       
   238                     {
       
   239                     User::LeaveIfError( err );
       
   240                     }
       
   241                 CleanupStack::PopAndDestroy( tmp );
       
   242                 }
       
   243                 while ( goon );
       
   244             }
       
   245         // and now move items to real array
       
   246         CleanupStack::Pop( tmpnetlist );
       
   247         delete iApList;
       
   248         iApList = tmpnetlist;
       
   249         }
       
   250     else
       
   251         {
       
   252         User::Leave( err );
       
   253         }
       
   254 
       
   255     CleanupStack::PopAndDestroy( networkt );
       
   256     
       
   257     if ( OwnTransaction )
       
   258         {
       
   259         ApCommons::CommitTransaction( *iDb );
       
   260         CleanupStack::Pop(); // RollbackTransactionOnLeave
       
   261         }
       
   262     
       
   263 
       
   264     CLOG( ( ENetworks, 1, _L( "<- CApNetworks::DoUpdateL" ) ) );
       
   265     return err;
       
   266     }
       
   267 
       
   268 
       
   269 
       
   270 // End of File