--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarks/locationlandmarks/localaccess/src/EPos_CPosLmLocalReadPartialLmOp.cpp	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,233 @@
+/*
+* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Operation for reading partial landmarks.
+*
+*
+*/
+
+
+// INCLUDE FILES
+#include    <eposlmasyncops.rsg>
+#include    <EPos_LandmarksErrors.h>
+#include    <epos_cposlmresourcereader.h>
+#include    <EPos_PosLmImplExtension.h>
+#include    <epos_poslmlandmarkhandler.h>
+#include    <epos_cposlmlocaldbaccess.h>
+#include    "EPos_CPosLmLocalReadPartialLmOp.h"
+#include    "EPos_LocalLandmarks.h"
+#include    "epos_cposlmlocaldatabase.h"
+
+//CONSTANTS
+const TInt KGranularity = 5;
+const TReal32 KOperationDone = 1;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalReadPartialLmOp::CPosLmLocalReadPartialLmOp
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CPosLmLocalReadPartialLmOp::CPosLmLocalReadPartialLmOp(
+    CPosLmLocalDatabase& aDb) :
+    CPosLmLocalOperation(aDb),
+    iStatusFlag(KPosLmOperationNotComplete)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalReadPartialLmOp::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CPosLmLocalReadPartialLmOp::ConstructL(
+    const RArray<TPosLmItemId>& aLandmarkIdArray,
+    CPosLmPartialReadParameters* aPartialSettings)
+    {
+    BaseConstructL();
+
+    if (aLandmarkIdArray.Count() == 0)
+        {
+        User::Leave(KErrArgument);
+        }
+
+    iPartialSettings = CPosLmPartialReadParameters::NewLC();
+    CleanupStack::Pop(iPartialSettings);
+
+    iDb->CopyPartialSettingsL(*aPartialSettings, *iPartialSettings);
+
+    for (TInt i = 0; i < aLandmarkIdArray.Count(); i++)
+        {
+        User::LeaveIfError(iLandmarkIdArray.Append(aLandmarkIdArray[i]));
+        }
+
+    iLmArray = new (ELeave) CArrayPtrFlat<CPosLandmark>(KGranularity);
+
+    ReadInfoFromResourceFileL();
+    AquireLockL(CPosLmLocalDatabase::EReadLock);
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalReadPartialLmOp::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CPosLmLocalReadPartialLmOp* CPosLmLocalReadPartialLmOp::NewL(
+    CPosLmLocalDatabase& aDb,
+    const RArray<TPosLmItemId>& aLandmarkIdArray,
+    CPosLmPartialReadParameters* aPartialSettings)
+    {
+    CPosLmLocalReadPartialLmOp* self = new (ELeave)
+        CPosLmLocalReadPartialLmOp(aDb);
+
+    CleanupStack::PushL(self);
+    self->ConstructL(aLandmarkIdArray, aPartialSettings);
+    CleanupStack::Pop(self);
+
+    return self;
+    }
+
+// Destructor
+CPosLmLocalReadPartialLmOp::~CPosLmLocalReadPartialLmOp()
+    {
+    delete iPartialSettings;
+    iLandmarkIdArray.Close();
+    if (iLmArray)
+        {
+        iLmArray->ResetAndDestroy();
+        delete iLmArray;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalReadPartialLmOp::NextStepL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CPosLmLocalReadPartialLmOp::NextStepL(
+    TReal32& aProgress)
+    {
+    for (TInt i = 0; i < iRequestCounter &&
+        iCurrent < iLandmarkIdArray.Count(); i++)
+        {
+        AddLandmarkToArrayL(iCurrent++);
+        }
+
+    if (iCurrent == iLandmarkIdArray.Count())
+        {
+        iStatusFlag = KErrNone;
+        aProgress = KOperationDone;
+        ReleaseLock();
+        }
+    else
+        {
+        aProgress = TReal32(iCurrent)/iLandmarkIdArray.Count();
+        }
+
+    return iStatusFlag;
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalReadPartialLmOp::HandleError
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPosLmLocalReadPartialLmOp::HandleError(
+    TInt& aError)
+    {
+    iStatusFlag = aError;
+
+    ReleaseLock();
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalReadPartialLmOp::GetResultL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+CArrayPtr<CPosLandmark>* CPosLmLocalReadPartialLmOp::GetResultL()
+    {
+    if (!iLmArray || iStatusFlag == KPosLmOperationNotComplete)
+        {
+        User::Leave(KErrNotFound);
+        }
+
+    for (TInt i = iCurrent; i < iLandmarkIdArray.Count(); i++)
+        {
+        iLmArray->AppendL(NULL);
+        }
+
+    CArrayPtr<CPosLandmark>* result = iLmArray;
+    iLmArray = NULL;
+    return result;
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalReadPartialLmOp::AddLandmarkToArrayL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPosLmLocalReadPartialLmOp::AddLandmarkToArrayL(TInt aIndex)
+    {
+    CPosLandmark* landmark = CPosLandmark::NewLC();
+    PosLmImplExtension::SetLandmarkIdL(*landmark, iLandmarkIdArray[aIndex]);
+
+    TRAPD(err, PosLmLandmarkHandler::ReadPartialLandmarkL(
+        *iDb->DatabaseAccess(), *landmark, *iPartialSettings));
+
+    if (err == KErrNone)
+        {
+        iLmArray->AppendL(landmark);
+        CleanupStack::Pop(landmark); // Transfer ownership to array
+        }
+    else if (err == KErrNotFound)
+        {
+        iLmArray->AppendL(NULL);
+        CleanupStack::PopAndDestroy(landmark);
+        }
+    else
+        {
+        User::Leave(err);
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalReadPartialLmOp::ReadInfoFromResourceFileL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPosLmLocalReadPartialLmOp::ReadInfoFromResourceFileL()
+    {
+    CPosLmResourceReader* resources =
+        CPosLmResourceReader::NewLC(KPosLocalSuboperationResourceFile);
+
+    iRequestCounter = resources->ReadInt32L(
+        R_POS_LM_LOCAL_READ_PARTIAL_LMS_OP);
+
+    if (iRequestCounter <= 0)
+        {
+        Panic(KPosLandmarksClientPanic,
+            EPosInvalidValueSpecifiedInResourceFile);
+        }
+
+    CleanupStack::PopAndDestroy(resources);
+    }
+
+//  End of File