landmarks/locationlandmarks/localaccess/src/EPos_CPosLmLocalIterator.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:37:04 +0300
branchRCL_3
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permissions -rw-r--r--
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/*
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* Copyright (c) 2002-2005 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Local iterator base class.
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*
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*
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*/
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#include    <EPos_LandmarksErrors.h>
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#include    "EPos_CPosLmLocalIterator.h"
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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//
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CPosLmLocalIterator::CPosLmLocalIterator() :
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    CPosLmItemIterator()
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    {
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    }
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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//
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CPosLmLocalIterator::~CPosLmLocalIterator()
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    {
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    iIdArray.Close();
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    }
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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//
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TPosLmItemId CPosLmLocalIterator::NextL()
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    {
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    if (iCurrent >= iIdArray.Count())
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        {
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        return KPosLmNullItemId;
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        }
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    return iIdArray[iCurrent++];
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    }
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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//
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void CPosLmLocalIterator::Reset()
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    {
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    iCurrent = 0;
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    }
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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//
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TUint CPosLmLocalIterator::NumOfItemsL()
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    {
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    return iIdArray.Count();
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    }
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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//
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void CPosLmLocalIterator::GetItemIdsL(
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    RArray<TPosLmItemId>& aIdArray,
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    TInt aStartIndex,
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    TInt aNumOfItems)
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    {
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    if (aStartIndex < 0 || aStartIndex >= iIdArray.Count() ||
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        aStartIndex + aNumOfItems > iIdArray.Count())
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        {
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        Panic(KPosLandmarksClientPanic,
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            EPosSpecifiedIntervalLiesOutsideIteratedSet);
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        }
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    aIdArray.Reset();
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    aIdArray.ReserveL( aNumOfItems ); // to avoid heap fragmentation
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    for (TInt i = aStartIndex; i < aStartIndex + aNumOfItems; i++)
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        {
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        aIdArray.AppendL( iIdArray[i] );
0
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        }
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    }
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