landmarks/locationlandmarks/localsearchprov/src/EPos_CPosLmLocalSearchIterator.cpp
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     1 /*
       
     2 * Copyright (c) 2005 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: Iterator for landmark item search matches.
       
    15 *
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include    <EPos_LandmarksErrors.h>
       
    22 #include    "EPos_CPosLmLocalSearchIterator.h"
       
    23 
       
    24 // ============================ MEMBER FUNCTIONS ===============================
       
    25 
       
    26 // -----------------------------------------------------------------------------
       
    27 // CPosLmLocalSearchIterator::CPosLmLocalSearchIterator
       
    28 // C++ default constructor can NOT contain any code, that
       
    29 // might leave.
       
    30 // -----------------------------------------------------------------------------
       
    31 //
       
    32 CPosLmLocalSearchIterator::CPosLmLocalSearchIterator()
       
    33 :   CPosLmItemIterator(),
       
    34     iCurrent(0)
       
    35     {
       
    36     }
       
    37 
       
    38 // -----------------------------------------------------------------------------
       
    39 // CPosLmLocalSearchIterator::ConstructL
       
    40 // Symbian 2nd phase constructor can leave.
       
    41 // -----------------------------------------------------------------------------
       
    42 //
       
    43 void CPosLmLocalSearchIterator::ConstructL(
       
    44     const RArray<TPosLmItemId>& aMatchArray)
       
    45     {
       
    46     for (TInt i = 0; i < aMatchArray.Count(); i++)
       
    47         {
       
    48         User::LeaveIfError(iIdArray.Append(aMatchArray[i]));
       
    49         }
       
    50     }
       
    51 
       
    52 // -----------------------------------------------------------------------------
       
    53 // CPosLmLocalSearchIterator::NewL
       
    54 // Two-phased constructor.
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 CPosLmLocalSearchIterator* CPosLmLocalSearchIterator::NewL(
       
    58     const RArray<TPosLmItemId>& aMatchArray)
       
    59     {
       
    60     CPosLmLocalSearchIterator* self = new(ELeave) CPosLmLocalSearchIterator();
       
    61     CleanupStack::PushL(self);
       
    62     self->ConstructL(aMatchArray);
       
    63     CleanupStack::Pop(self);
       
    64     return self;
       
    65     }
       
    66 
       
    67 // -----------------------------------------------------------------------------
       
    68 // CPosLmLocalSearchIterator::NewL
       
    69 // Two-phased constructor.
       
    70 // -----------------------------------------------------------------------------
       
    71 //
       
    72 CPosLmLocalSearchIterator* CPosLmLocalSearchIterator::NewL()
       
    73     {
       
    74     return new (ELeave) CPosLmLocalSearchIterator();
       
    75     }
       
    76 
       
    77 // Destructor
       
    78 CPosLmLocalSearchIterator::~CPosLmLocalSearchIterator()
       
    79     {
       
    80     iIdArray.Close();
       
    81     }
       
    82 
       
    83 // -----------------------------------------------------------------------------
       
    84 // CPosLmLocalSearchIterator::NextL
       
    85 //
       
    86 // (other items were commented in a header).
       
    87 // -----------------------------------------------------------------------------
       
    88 //
       
    89 TPosLmItemId CPosLmLocalSearchIterator::NextL()
       
    90     {
       
    91     if (iCurrent >= iIdArray.Count())
       
    92         {
       
    93         return KPosLmNullItemId;
       
    94         }
       
    95 
       
    96     return iIdArray[iCurrent++];
       
    97     }
       
    98 
       
    99 // -----------------------------------------------------------------------------
       
   100 // CPosLmLocalSearchIterator::Reset
       
   101 //
       
   102 // (other items were commented in a header).
       
   103 // -----------------------------------------------------------------------------
       
   104 //
       
   105 void CPosLmLocalSearchIterator::Reset()
       
   106     {
       
   107     iCurrent = 0;
       
   108     }
       
   109 
       
   110 // -----------------------------------------------------------------------------
       
   111 // CPosLmLocalSearchIterator::NumOfItemsL
       
   112 //
       
   113 // (other items were commented in a header).
       
   114 // -----------------------------------------------------------------------------
       
   115 //
       
   116 TUint CPosLmLocalSearchIterator::NumOfItemsL()
       
   117     {
       
   118     return iIdArray.Count();
       
   119     }
       
   120 
       
   121 // -----------------------------------------------------------------------------
       
   122 // CPosLmLocalSearchIterator::GetItemIdsL
       
   123 //
       
   124 // (other items were commented in a header).
       
   125 // -----------------------------------------------------------------------------
       
   126 //
       
   127 void CPosLmLocalSearchIterator::GetItemIdsL(
       
   128     RArray<TPosLmItemId>&  aIdArray,
       
   129     TInt aStartIndex,
       
   130     TInt aNumOfItems)
       
   131     {
       
   132     if (aStartIndex < 0 || aStartIndex >= iIdArray.Count() ||
       
   133         aStartIndex + aNumOfItems > iIdArray.Count())
       
   134         {
       
   135         Panic(KPosLandmarksClientPanic,
       
   136             EPosSpecifiedIntervalLiesOutsideIteratedSet);
       
   137         }
       
   138 
       
   139     aIdArray.Reset();
       
   140 
       
   141     for (TInt i = aStartIndex; i < aStartIndex + aNumOfItems; i++)
       
   142         {
       
   143         User::LeaveIfError(aIdArray.Append(iIdArray[i]));
       
   144         }
       
   145     }
       
   146 
       
   147 //  End of File