locationmapnavfw/library/src/mnmapviewservicebase.cpp
branchRCL_3
changeset 44 2b4ea9893b66
parent 42 02ba3f1733c6
child 45 6b6920c56e2f
equal deleted inserted replaced
42:02ba3f1733c6 44:2b4ea9893b66
     1 /*
       
     2 * Copyright (c) 2005-2006 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:  CMnMapViewServiceBase class implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <e32base.h>
       
    20 #include <s32mem.h>
       
    21 #include <e32math.h>
       
    22 #include <lbsposition.h>
       
    23 
       
    24 #include <EPos_CPosLandmark.h>
       
    25 #include <epos_poslandmarkserialization.h>
       
    26 
       
    27 #include "mndebug.h"
       
    28 #include "mnerrors.h"
       
    29 #include "mninternal.h"
       
    30 #include "mninternal.inl"
       
    31 #include "mnmapselectionresultinfo.inl"
       
    32 
       
    33 #include "mnmapviewservicebase.h"
       
    34 
       
    35 // ======== LOCAL FUNCTIONS ========
       
    36 
       
    37 // ======== MEMBER FUNCTIONS ========
       
    38 
       
    39 // ---------------------------------------------------------------------------
       
    40 // ---------------------------------------------------------------------------
       
    41 //
       
    42 EXPORT_C CMnMapViewServiceBase::CMnMapViewServiceBase()
       
    43     {
       
    44     }
       
    45 
       
    46 // ---------------------------------------------------------------------------
       
    47 // ---------------------------------------------------------------------------
       
    48 //
       
    49 EXPORT_C CMnMapViewServiceBase::~CMnMapViewServiceBase()
       
    50     {
       
    51     LOG("~CMnMapViewServiceBase in");
       
    52     ResetLandmarks();
       
    53     iLandmarks.Close();
       
    54     iLinkedLandmarksLists.Close();
       
    55     iTempDatabaseList.Close();
       
    56 
       
    57     CleanSelectionResult();
       
    58     delete iSelectionRequestText;
       
    59     LOG("~CMnMapViewServiceBase out");
       
    60     }
       
    61 
       
    62 // ---------------------------------------------------------------------------
       
    63 // ---------------------------------------------------------------------------
       
    64 //
       
    65 EXPORT_C void CMnMapViewServiceBase::BaseConstructL()
       
    66     {
       
    67     LOG("CMnMapViewServiceBase::BaseConstructL");
       
    68     CMnServiceBase::BaseConstructL();
       
    69     iSelectionRequestText = HBufC::NewL( 0 );
       
    70     }
       
    71 
       
    72 // ---------------------------------------------------------------------------
       
    73 // ---------------------------------------------------------------------------
       
    74 //
       
    75 EXPORT_C CMnMapView::TOptions CMnMapViewServiceBase::Options()
       
    76     {
       
    77     LOG("CMnMapViewServiceBase::Options");
       
    78     return iOptions;
       
    79     }
       
    80 
       
    81 // ---------------------------------------------------------------------------
       
    82 // ---------------------------------------------------------------------------
       
    83 //
       
    84 EXPORT_C CMnMapView::TCurrentLocationOption CMnMapViewServiceBase::CurrentLocationOption()
       
    85     {
       
    86     LOG("CMnMapViewServiceBase::CurrentLocationOption");
       
    87     return iCurrentLocationOption;
       
    88     }
       
    89 
       
    90 // ---------------------------------------------------------------------------
       
    91 // ---------------------------------------------------------------------------
       
    92 //
       
    93 EXPORT_C TArray<const CPosLandmark*> CMnMapViewServiceBase::LandmarksToShow()
       
    94     {
       
    95     LOG("CMnMapViewServiceBase::LandmarksToShow");
       
    96     return iLandmarks.Array();
       
    97     }
       
    98 
       
    99 // ---------------------------------------------------------------------------
       
   100 // ---------------------------------------------------------------------------
       
   101 //
       
   102 EXPORT_C TArray<TPosLmItemId> CMnMapViewServiceBase::LinkedLandmarksToShow( TInt aDbIndex )
       
   103     {
       
   104     LOG1("CMnMapViewServiceBase::LinkedLandmarksToShow, db index %d", aDbIndex);
       
   105     if ( aDbIndex < 0 || aDbIndex >= iLinkedLandmarksLists.Count() )
       
   106         {
       
   107         PanicServer( KMnPanicArrayIndexOutOfBounds );
       
   108         }
       
   109     return iLinkedLandmarksLists[aDbIndex]->iLandmarkIds.Array();
       
   110     }
       
   111 
       
   112 // ---------------------------------------------------------------------------
       
   113 // ---------------------------------------------------------------------------
       
   114 //
       
   115 EXPORT_C TArray<const HBufC*> CMnMapViewServiceBase::LandmarksToShowDatabases()
       
   116     {
       
   117     LOG("CMnMapViewServiceBase::LandmarksToShowDatabases");
       
   118     if ( iTempDatabaseList.Count() != iLinkedLandmarksLists.Count() )
       
   119         {
       
   120         // update database list
       
   121         iTempDatabaseList.Reset();    
       
   122         for ( TInt i = 0; i < iLinkedLandmarksLists.Count(); i++ )
       
   123             {
       
   124             iTempDatabaseList.Append( iLinkedLandmarksLists[i]->iDatabaseUri );
       
   125             }
       
   126         }
       
   127     return iTempDatabaseList.Array();
       
   128     }
       
   129 
       
   130 // ---------------------------------------------------------------------------
       
   131 // ---------------------------------------------------------------------------
       
   132 //
       
   133 EXPORT_C TPtrC CMnMapViewServiceBase::SelectionRequestText()
       
   134     {
       
   135     LOG("CMnMapViewServiceBase::SelectionRequestText");
       
   136     return iSelectionRequestText->Des();
       
   137     }
       
   138 
       
   139 // ---------------------------------------------------------------------------
       
   140 // ---------------------------------------------------------------------------
       
   141 //
       
   142 EXPORT_C TBool CMnMapViewServiceBase::IsAreaCentralPointSet()
       
   143     {
       
   144     LOG("CMnMapViewServiceBase::IsAreaCentralPointSet");
       
   145     return !( Math::IsNaN( iCentralPoint.Latitude() ) &&
       
   146               Math::IsNaN( iCentralPoint.Longitude() ) );
       
   147     }
       
   148 
       
   149 // ---------------------------------------------------------------------------
       
   150 // ---------------------------------------------------------------------------
       
   151 //
       
   152 EXPORT_C void CMnMapViewServiceBase::GetAreaCentralPoint( TCoordinate& aCentralPoint )
       
   153     {
       
   154     LOG("CMnMapViewServiceBase::GetAreaCentralPoint");
       
   155     aCentralPoint = iCentralPoint;
       
   156     }
       
   157 
       
   158 // ---------------------------------------------------------------------------
       
   159 // ---------------------------------------------------------------------------
       
   160 //
       
   161 EXPORT_C TReal CMnMapViewServiceBase::AreaRadius()
       
   162     {
       
   163     LOG("CMnMapViewServiceBase::AreaRadius");
       
   164     return iRadius;
       
   165     }
       
   166 
       
   167 // ---------------------------------------------------------------------------
       
   168 // ---------------------------------------------------------------------------
       
   169 //
       
   170 EXPORT_C void CMnMapViewServiceBase::CompleteSelectionRequestL( const CPosLandmark& aLandmark )
       
   171     {
       
   172     LOG("CMnMapViewServiceBase::CompleteSelectionRequestL(free) in");
       
   173 
       
   174     if ( !IsAsyncRequestActive() )
       
   175         {
       
   176         PanicServer( KMnPanicAttemptToCompleteNoRequest );
       
   177         }
       
   178         
       
   179     if ( iOptions & CMnMapView::EOptionRestrictSelection )
       
   180         {
       
   181         User::Leave( KErrArgument );
       
   182         }
       
   183 
       
   184     CleanSelectionResult();
       
   185     
       
   186     iResultLandmark = PosLandmarkSerialization::PackL( aLandmark );
       
   187     
       
   188     TMnMapSelectionResultInfo info( *iResultLandmark );
       
   189     TPckgC<TMnMapSelectionResultInfo> resultInfoPack( info );
       
   190 
       
   191     TInt err = iMessage.Write( EMnIpcMapSelectionResultInfoParamIndex, resultInfoPack );
       
   192     
       
   193     CompleteRequest( err );
       
   194 
       
   195     LOG("CMnMapViewServiceBase::CompleteSelectionRequestL(free) out");
       
   196     }
       
   197 
       
   198 // ---------------------------------------------------------------------------
       
   199 // ---------------------------------------------------------------------------
       
   200 //
       
   201 EXPORT_C void CMnMapViewServiceBase::CompleteSelectionRequest( TInt aLandmarkIndex )
       
   202     {
       
   203     LOG1("CMnMapViewServiceBase::CompleteSelectionRequest(index) in, index=%d", aLandmarkIndex);
       
   204 
       
   205     if ( !IsAsyncRequestActive() )
       
   206         {
       
   207         PanicServer( KMnPanicAttemptToCompleteNoRequest );
       
   208         }
       
   209     
       
   210     if ( aLandmarkIndex < 0 || aLandmarkIndex >= iLandmarks.Count() )
       
   211         {
       
   212         PanicServer( KMnPanicArrayIndexOutOfBounds );
       
   213         }
       
   214 
       
   215     CleanSelectionResult();
       
   216     
       
   217     TMnMapSelectionResultInfo info( aLandmarkIndex );
       
   218     TPckgC<TMnMapSelectionResultInfo> resultInfoPack( info );
       
   219 
       
   220     TInt err = iMessage.Write( EMnIpcMapSelectionResultInfoParamIndex, resultInfoPack );
       
   221 
       
   222     CompleteRequest( err );
       
   223 
       
   224     LOG("CMnMapViewServiceBase::CompleteSelectionRequest(index) out");
       
   225     }
       
   226 
       
   227 // ---------------------------------------------------------------------------
       
   228 // ---------------------------------------------------------------------------
       
   229 //
       
   230 EXPORT_C void CMnMapViewServiceBase::CompleteSelectionRequest(
       
   231     TPosLmItemId aLandmarkId, 
       
   232     TInt aDbIndex)
       
   233     {
       
   234     LOG2("CMnMapViewServiceBase::CompleteSelectionRequest(id,db) in, dbIndex %d, lmId %d",
       
   235         aDbIndex, aLandmarkId);
       
   236 
       
   237     if ( !IsAsyncRequestActive() )
       
   238         {
       
   239         PanicServer( KMnPanicAttemptToCompleteNoRequest );
       
   240         }
       
   241 
       
   242     if ( aDbIndex < 0 || aDbIndex >= iLinkedLandmarksLists.Count() )
       
   243         {
       
   244         LOG1("CMnMapViewServiceBase::CompleteSelectionRequest(id,db) dbIndex invalid, max %d",
       
   245             iLinkedLandmarksLists.Count());
       
   246         PanicServer( KMnPanicArrayIndexOutOfBounds );
       
   247         }
       
   248         
       
   249     if ( KErrNotFound == iLinkedLandmarksLists[aDbIndex]->iLandmarkIds.Find( aLandmarkId ) )
       
   250         {
       
   251         LOG("CMnMapViewServiceBase::CompleteSelectionRequest(id,db) lmId not found");
       
   252         PanicServer( KMnPanicArrayIndexOutOfBounds );
       
   253         }
       
   254 
       
   255     CleanSelectionResult();
       
   256     
       
   257     TMnMapSelectionResultInfo info( 
       
   258         aLandmarkId, 
       
   259         *(iLinkedLandmarksLists[aDbIndex]->iDatabaseUri) );
       
   260 
       
   261     TPckgC<TMnMapSelectionResultInfo> resultInfoPack( info );
       
   262     TInt err = iMessage.Write( EMnIpcMapSelectionResultInfoParamIndex, resultInfoPack );
       
   263 
       
   264     CompleteRequest( err );
       
   265 
       
   266     LOG("CMnMapViewServiceBase::CompleteSelectionRequest(id,db) out");
       
   267     }
       
   268        
       
   269 // ---------------------------------------------------------------------------
       
   270 // ---------------------------------------------------------------------------
       
   271 //
       
   272 EXPORT_C void CMnMapViewServiceBase::ServiceL( const RMessage2& aMessage )
       
   273     {
       
   274     LOG1("CMnMapViewServiceBase::ServiceL in, function %d", aMessage.Function());
       
   275     
       
   276     switch ( aMessage.Function() )
       
   277         {
       
   278         case EMnIpcAddLmIdsToShow:
       
   279             HandleAddLandmarkIdsToShowL( aMessage );
       
   280             break;
       
   281             
       
   282         case EMnIpcAddLandmarksToShow:
       
   283             HandleAddLandmarksToShowL( aMessage );
       
   284             break;
       
   285             
       
   286         case EMnIpcResetLandmarksToShow: // blind request
       
   287             ResetLandmarks();
       
   288             break;
       
   289             
       
   290         case EMnIpcCancel:
       
   291             HandleCancelRequestL( aMessage );
       
   292             break;
       
   293             
       
   294         case EMnIpcShowMap:
       
   295             UnpackOptionsL( aMessage );
       
   296 		    LOG("CMnMapViewServiceBase::ServiceL, calling HandleShowMapL");
       
   297             HandleShowMapL();
       
   298             Complete( aMessage, KErrNone );
       
   299             break;
       
   300             
       
   301         case EMnIpcShowCurrentLocation:
       
   302             UnpackOptionsL( aMessage );
       
   303 		    LOG("CMnMapViewServiceBase::ServiceL, calling HandleShowCurrentLocationL");
       
   304             HandleShowCurrentLocationL();
       
   305             Complete( aMessage, KErrNone );
       
   306             break;
       
   307 
       
   308         case EMnIpcInitRequestText:
       
   309             UnpackSelectionRequestTextL( aMessage );
       
   310             Complete( aMessage, KErrNone );
       
   311             break;
       
   312     
       
   313         case EMnIpcSelectFromMap:
       
   314             PrepareAsyncRequestL( aMessage );
       
   315             UnpackOptionsL( aMessage );
       
   316             UnpackSelectionRequestTextL( aMessage );
       
   317             VerifySelectionRequestL();
       
   318 		    LOG("CMnMapViewServiceBase::ServiceL, calling HandleSelectFromMapL");
       
   319             HandleSelectFromMapL();
       
   320             break;
       
   321             
       
   322         case EMnIpcGetSelectionResultLandmark:
       
   323             HandleGetSelectionResultLandmarkL( aMessage );
       
   324             break;
       
   325 
       
   326         case EMnIpcGetSelectionResultDbUri:
       
   327             HandleGetSelectionResultDbUriL( aMessage );
       
   328             break;
       
   329 
       
   330         default:
       
   331             CMnServiceBase::ServiceL( aMessage );
       
   332         }
       
   333 }
       
   334 
       
   335 // ---------------------------------------------------------------------------
       
   336 // ---------------------------------------------------------------------------
       
   337 //
       
   338 void CMnMapViewServiceBase::CleanSelectionResult()
       
   339     {
       
   340     delete iResultLandmark;
       
   341     iResultLandmark = NULL;
       
   342     }
       
   343 
       
   344 // ---------------------------------------------------------------------------
       
   345 // ---------------------------------------------------------------------------
       
   346 //
       
   347 void CMnMapViewServiceBase::HandleAddLandmarkIdsToShowL( const RMessage2& aMessage )
       
   348     {
       
   349     LOG("CMnMapViewServiceBase::HandleAddLandmarkIdsToShowL in");
       
   350 
       
   351     if ( IsAsyncRequestActive() )
       
   352         {
       
   353         User::Leave( KErrLocked );
       
   354         }
       
   355         
       
   356     // Read client's data
       
   357     HBufC* uri = CopyClientBufferLC( aMessage, EMnIpcMapDbUriParamIndex );
       
   358     HBufC8* buf = CopyClientBuffer8LC( aMessage, EMnIpcMapLmIdsParamIndex );
       
   359 
       
   360     if ( buf->Size() % ( sizeof( TPosLmItemId ) ) != 0 )
       
   361         {
       
   362         User::Leave( KErrArgument );
       
   363         }
       
   364 
       
   365     TInt lmCount = buf->Size() / ( sizeof( TPosLmItemId ) );
       
   366     const TPosLmItemId* ids = reinterpret_cast<const TPosLmItemId*>( buf->Ptr() );
       
   367 
       
   368     // Save data to internal structs
       
   369     iTempDatabaseList.Reset();        
       
   370     CLinkedLandmarksList* linked = NULL;
       
   371 
       
   372     // check if this database is already listed
       
   373     TInt dbIndex = FindDatabase( *uri );
       
   374     if ( dbIndex == KErrNotFound )
       
   375         {
       
   376         linked = new (ELeave) CLinkedLandmarksList;
       
   377         CleanupStack::PushL( linked );
       
   378         linked->iDatabaseUri = uri;
       
   379         iLinkedLandmarksLists.AppendL( linked );
       
   380         CleanupStack::Pop( linked );
       
   381         }
       
   382     else
       
   383         {
       
   384         linked = iLinkedLandmarksLists[dbIndex];
       
   385         }
       
   386 
       
   387     for ( TInt i = 0; i < lmCount; i++ )
       
   388         {
       
   389         linked->iLandmarkIds.AppendL( ids[i] );
       
   390         }
       
   391 
       
   392     // Finalize
       
   393     Complete( aMessage, KErrNone );
       
   394 
       
   395     CleanupStack::PopAndDestroy( buf );
       
   396     CleanupStack::Pop( uri );
       
   397 
       
   398     LOG("CMnMapViewServiceBase::HandleAddLandmarkIdsToShowL out");
       
   399     }
       
   400 
       
   401 // ---------------------------------------------------------------------------
       
   402 // ---------------------------------------------------------------------------
       
   403 //
       
   404 void CMnMapViewServiceBase::HandleAddLandmarksToShowL( const RMessage2& aMessage )
       
   405     {
       
   406     LOG("CMnMapViewServiceBase::HandleAddLandmarksToShowL in");
       
   407 
       
   408     if ( IsAsyncRequestActive() )
       
   409         {
       
   410         User::Leave( KErrLocked );
       
   411         }
       
   412 
       
   413     HBufC8* buf = CopyClientBuffer8LC( aMessage, EMnIpcMapLandmarksParamIndex );
       
   414     RDesReadStream readStream( *buf );
       
   415 
       
   416     LOG1("CMnMapViewServiceBase::HandleAddLandmarksToShowL buffersize %d", buf->Size());
       
   417     
       
   418     TInt lmCount = readStream.ReadInt32L();
       
   419     
       
   420     LOG1("CMnMapViewServiceBase::HandleAddLandmarksToShowL lmCount %d", lmCount);
       
   421 
       
   422     for ( TInt i = 0; i < lmCount; i++ )
       
   423         {
       
   424         TInt lmSize = readStream.ReadInt32L();
       
   425         
       
   426         HBufC8* lmBuf = HBufC8::NewLC( lmSize );
       
   427         
       
   428         TPtr8 lmData( lmBuf->Des() );
       
   429         readStream.ReadL( lmData, lmSize );
       
   430         
       
   431         CPosLandmark* lm = PosLandmarkSerialization::UnpackL( *lmBuf );
       
   432         CleanupStack::PushL( lm );
       
   433 
       
   434         iLandmarks.AppendL( lm );
       
   435 
       
   436         CleanupStack::Pop( lm );
       
   437         CleanupStack::PopAndDestroy( lmBuf );
       
   438         }
       
   439     
       
   440     readStream.Close();
       
   441     CleanupStack::PopAndDestroy( buf );
       
   442 
       
   443     Complete( aMessage, KErrNone );
       
   444     LOG("CMnMapViewServiceBase::HandleAddLandmarksToShowL out");
       
   445     }
       
   446 
       
   447 // ---------------------------------------------------------------------------
       
   448 // ---------------------------------------------------------------------------
       
   449 //
       
   450 void CMnMapViewServiceBase::HandleGetSelectionResultLandmarkL( const RMessage2& aMessage )
       
   451     {
       
   452     LOG("CMnMapViewServiceBase::HandleGetSelectionResultLandmarkL in");
       
   453     
       
   454     if ( iResultLandmark )
       
   455         {
       
   456         aMessage.WriteL( EMnIpcMapSelResultBufferParamIndex, *iResultLandmark );
       
   457         Complete( aMessage, KErrNone );
       
   458         }
       
   459     else
       
   460         {
       
   461         User::Leave( KErrNotFound );
       
   462         }
       
   463 
       
   464     LOG("CMnMapViewServiceBase::HandleGetSelectionResultLandmarkL out");
       
   465     }
       
   466 
       
   467 // ---------------------------------------------------------------------------
       
   468 // ---------------------------------------------------------------------------
       
   469 //
       
   470 void CMnMapViewServiceBase::HandleGetSelectionResultDbUriL( const RMessage2& aMessage )
       
   471     {
       
   472     LOG("CMnMapViewServiceBase::HandleGetSelectionResultDbUriL in");
       
   473     
       
   474     __ASSERT_DEBUG( 
       
   475         iResultDbIndex >= 0 && iResultDbIndex < iLinkedLandmarksLists.Count() ,
       
   476         Panic( KErrGeneral ) );
       
   477     
       
   478     if ( iResultDbIndex != KErrNotFound )
       
   479         {
       
   480         __ASSERT_DEBUG( 
       
   481             iLinkedLandmarksLists[iResultDbIndex]->iDatabaseUri ,
       
   482             Panic( KErrGeneral ) );
       
   483 
       
   484         aMessage.WriteL( 
       
   485             EMnIpcMapSelResultBufferParamIndex, 
       
   486             *(iLinkedLandmarksLists[iResultDbIndex]->iDatabaseUri) );
       
   487             
       
   488         Complete( aMessage, KErrNone );
       
   489         }
       
   490     else
       
   491         {
       
   492         User::Leave( KErrNotFound );
       
   493         }
       
   494 
       
   495     LOG("CMnMapViewServiceBase::HandleGetSelectionResultDbUriL out");
       
   496     }
       
   497 
       
   498 // ---------------------------------------------------------------------------
       
   499 // ---------------------------------------------------------------------------
       
   500 //
       
   501 void CMnMapViewServiceBase::ResetLandmarks()
       
   502     {
       
   503     if ( !IsAsyncRequestActive() )
       
   504         {
       
   505 	    iLandmarks.ResetAndDestroy();
       
   506 	    iLinkedLandmarksLists.ResetAndDestroy();
       
   507         }
       
   508     }
       
   509 
       
   510 // ---------------------------------------------------------------------------
       
   511 // ---------------------------------------------------------------------------
       
   512 //
       
   513 TInt CMnMapViewServiceBase::FindDatabase( const TDesC& aUri )
       
   514     {
       
   515     for ( TInt i = 0; i < iLinkedLandmarksLists.Count(); i++ )
       
   516         {
       
   517         CLinkedLandmarksList* list = iLinkedLandmarksLists[i];
       
   518         if ( list->iDatabaseUri->Compare( aUri ) == 0 )
       
   519             {
       
   520             return i;
       
   521             }
       
   522         }
       
   523     return KErrNotFound;
       
   524     }
       
   525 
       
   526 // ---------------------------------------------------------------------------
       
   527 // ---------------------------------------------------------------------------
       
   528 //
       
   529 void CMnMapViewServiceBase::UnpackOptionsL( const RMessage2& aMsg )
       
   530     {
       
   531     HBufC8* buf = CopyClientBuffer8LC( aMsg, EMnIpcMapOptionsParamIndex );
       
   532     const TMnMapOptions& options = *( 
       
   533         reinterpret_cast<const TMnMapOptions*>( buf->Ptr() ) );
       
   534 
       
   535     iOptions = options.iOptions;
       
   536     iCurrentLocationOption = options.iCurrentLocationOption;
       
   537     iCentralPoint = options.iCentralPoint;
       
   538     iRadius = options.iRadius;
       
   539 
       
   540     CleanupStack::PopAndDestroy( buf );
       
   541     }
       
   542 
       
   543 // ---------------------------------------------------------------------------
       
   544 // ---------------------------------------------------------------------------
       
   545 //
       
   546 void CMnMapViewServiceBase::UnpackSelectionRequestTextL( const RMessage2& aMsg )
       
   547     {
       
   548     HBufC* buf = CopyClientBufferLC( aMsg, EMnIpcMapSelectionTextParamIndex );
       
   549     
       
   550     delete iSelectionRequestText;
       
   551     iSelectionRequestText = NULL;
       
   552     iSelectionRequestText = buf;
       
   553 
       
   554     CleanupStack::Pop( buf );
       
   555     }
       
   556 
       
   557 // ---------------------------------------------------------------------------
       
   558 // ---------------------------------------------------------------------------
       
   559 //
       
   560 void CMnMapViewServiceBase::VerifySelectionRequestL()
       
   561     {
       
   562     if ( iOptions & CMnMapView::EOptionRestrictSelection )
       
   563         {
       
   564         // find out how many landmarks are given
       
   565         TInt num = iLandmarks.Count();
       
   566         for ( TInt i = 0; i < iLinkedLandmarksLists.Count(); i++ )
       
   567             {
       
   568             CLinkedLandmarksList* linked = iLinkedLandmarksLists[i];
       
   569             num += linked->iLandmarkIds.Count();
       
   570             }
       
   571         LOG1("CMnMapViewServiceBase::VerifySelectionRequestL, restricted with %d landmarks", num);
       
   572         if ( num < 1 )
       
   573             {
       
   574             User::Leave( KErrArgument );
       
   575             }
       
   576         }
       
   577     }
       
   578 
       
   579 // ---------------------------------------------------------------------------
       
   580 // ---------------------------------------------------------------------------
       
   581 //
       
   582 CMnMapViewServiceBase::CLinkedLandmarksList::~CLinkedLandmarksList()
       
   583     {
       
   584     delete iDatabaseUri;
       
   585     iLandmarkIds.Close();
       
   586     }
       
   587 
       
   588