--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarks/locationlandmarks/localaccess/src/EPos_CPosLmLocalExportOp.cpp	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,296 @@
+/*
+* 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 exporting landmarks from a database.
+*
+*
+*/
+
+
+// INCLUDE FILES
+#include    <epos_cposlmresourcereader.h>
+#include    <eposlmasyncops.rsg>
+#include    <EPos_CPosLandmarkEncoder.h>
+#include    <EPos_LandmarksErrors.h>
+#include    <EPos_PosLmImplExtension.h>
+#include    <epos_poslmlandmarkhandler.h>
+#include    <epos_poslmcategoryhandler.h>
+#include    <epos_cposlmglobalcategoryreader.h>
+#include    "EPos_CPosLmLocalExportOp.h"
+#include    "epos_cposlmlocaldatabase.h"
+#include    "epos_cposlmlocaldbaccess.h"
+#include    "EPos_LocalLandmarks.h"
+
+//CONSTANTS
+const TReal32 KOperationDone = 1;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalExportOp::CPosLmLocalExportOp
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CPosLmLocalExportOp::CPosLmLocalExportOp(
+    CPosLmLocalDatabase& aDb,
+    CPosLandmarkEncoder& aLandmarkEncoder,
+    CPosLandmarkDatabase::TTransferOptions aTransferOptions)
+:   CPosLmLocalOperation(aDb),
+    iLandmarkEncoder(&aLandmarkEncoder),
+    iTransferOptions(aTransferOptions),
+    iStatusFlag(KPosLmOperationNotComplete),
+    iCurrentIsLm(ETrue),
+    iNrOfSubOperations(1)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalExportOp::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CPosLmLocalExportOp::ConstructL(
+    const RArray<TPosLmItemId>& aLandmarkIdArray)
+    {
+    CPosLandmarkDatabase::TTransferOptions invalidOptions =
+        iTransferOptions &
+        ~CPosLandmarkDatabase::EIncludeCategories &
+        ~CPosLandmarkDatabase::EIncludeGlobalCategoryNames;
+
+    __ASSERT_ALWAYS(invalidOptions == CPosLandmarkDatabase::EDefaultOptions,
+        Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument));
+
+    BaseConstructL();
+
+    if (aLandmarkIdArray.Count() == 0)
+        {
+        User::Leave(KErrArgument);
+        }
+
+    if ((iTransferOptions & CPosLandmarkDatabase::EIncludeCategories) &&
+        (iTransferOptions & CPosLandmarkDatabase::EIncludeGlobalCategoryNames))
+        {
+        iReader = CPosLmGlobalCategoryReader::NewL();
+        }
+
+    for (TInt i = 0; i < aLandmarkIdArray.Count(); i++)
+        {
+        User::LeaveIfError(iLandmarkIdArray.Append(aLandmarkIdArray[i]));
+        }
+
+    ReadInfoFromResourceFileL();
+
+    AquireLockL(CPosLmLocalDatabase::EReadLock);
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalExportOp::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CPosLmLocalExportOp* CPosLmLocalExportOp::NewL(
+    CPosLmLocalDatabase& aDb,
+    CPosLandmarkEncoder& aLandmarkEncoder,
+    const RArray<TPosLmItemId>& aLandmarkIdArray,
+    CPosLandmarkDatabase::TTransferOptions aTransferOptions)
+    {
+    CPosLmLocalExportOp* self = new (ELeave)
+        CPosLmLocalExportOp(aDb, aLandmarkEncoder, aTransferOptions);
+    CleanupStack::PushL(self);
+    self->ConstructL(aLandmarkIdArray);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// Destructor
+CPosLmLocalExportOp::~CPosLmLocalExportOp()
+    {
+    delete iReader;
+    iLandmarkIdArray.Close();
+    iCategoryIdArray.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalExportOp::NextStepL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CPosLmLocalExportOp::NextStepL(
+    TReal32& aProgress)
+    {
+    if (iCurrentIsLm)
+        {
+        CPosLandmark* lm = ReadLmFromDbLC(iLandmarkIdArray[iCurrentLm++]);
+        iLandmarkEncoder->AddLandmarkL(*lm);
+
+        if (iTransferOptions & CPosLandmarkDatabase::EIncludeCategories)
+            {
+            iCategoryIdArray.Close();
+            iCurrentCategory = 0;
+
+            lm->GetCategoriesL(iCategoryIdArray);
+            if (iCategoryIdArray.Count() != 0)
+                {
+                iCurrentIsLm = EFalse;
+                }
+            }
+
+        CleanupStack::PopAndDestroy(lm);
+        }
+    else
+        {
+        for (TInt i = 0;
+            i < iNrOfSubOperations &&
+                iCurrentCategory < iCategoryIdArray.Count(); i++)
+            {
+            CPosLandmarkCategory* category =
+                ReadCategoryFromDbLC(iCategoryIdArray[iCurrentCategory++]);
+
+            if (iTransferOptions &
+                CPosLandmarkDatabase::EIncludeGlobalCategoryNames)
+                {
+                SetPredefinedGlobalNameL(category);
+                }
+
+            iLandmarkEncoder->AddCategoryForLatestLandmarkL(*category);
+
+            CleanupStack::PopAndDestroy(category);
+
+            if (iCurrentCategory == iCategoryIdArray.Count())
+                {
+                iCurrentIsLm = ETrue;
+                }
+            }
+        }
+
+    if (iCurrentLm == iLandmarkIdArray.Count() &&
+        iCurrentCategory == iCategoryIdArray.Count())
+        {
+        iStatusFlag = KErrNone;
+        aProgress = KOperationDone;
+        ReleaseLock();
+        }
+    else if (iCurrentIsLm)
+        {
+        aProgress = TReal32(iCurrentLm) / iLandmarkIdArray.Count();
+        }
+    else
+        {
+        aProgress = TReal32(iCurrentLm - 1) / iLandmarkIdArray.Count() +
+                    TReal32(iCurrentCategory + 1) /
+                    (iCategoryIdArray.Count() + 1) /
+                    iLandmarkIdArray.Count();
+        }
+
+    return iStatusFlag;
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalExportOp::HandleError
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPosLmLocalExportOp::HandleError(
+    TInt& aError)
+    {
+    iStatusFlag = aError;
+    ReleaseLock();
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalExportLandmarksOp::ReadLmFromDbLC
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+CPosLandmark* CPosLmLocalExportOp::ReadLmFromDbLC(TPosLmItemId aId)
+    {
+    CPosLandmark* landmark = CPosLandmark::NewLC();
+    PosLmImplExtension::SetLandmarkIdL(*landmark, aId);
+
+    PosLmLandmarkHandler::ReadLandmarkL(*iDb->DatabaseAccess(), *landmark);
+    return landmark;
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalExportLandmarksOp::ReadCategoryFromDbLC
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+CPosLandmarkCategory* CPosLmLocalExportOp::ReadCategoryFromDbLC(
+    TPosLmItemId aId)
+    {
+    CPosLandmarkCategory* category = CPosLandmarkCategory::NewLC();
+    PosLmImplExtension::SetCategoryIdL(*category, aId);
+
+    PosLmCategoryHandler::ReadCategoryL(*iDb->DatabaseAccess(), *category);
+    return category;
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalExportLandmarksOp::SetPredefinedGlobalNameL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPosLmLocalExportOp::SetPredefinedGlobalNameL(
+    CPosLandmarkCategory* aCategory)
+    {
+    TPosLmGlobalCategory globalCat = aCategory->GlobalCategory();
+    if (globalCat != KPosLmNullGlobalCategory)
+        {
+        TBool catFound = EFalse;
+        for (TInt i = 0; i < iReader->Count() && !catFound; i++)
+            {
+            CPosLandmarkCategory* readerCategory = iReader->GlobalCategoryLC(i);
+
+            TPtrC catName;
+            if (readerCategory->GlobalCategory() == globalCat &&
+                readerCategory->GetCategoryName(catName) == KErrNone)
+                {
+                catFound = ETrue;
+                aCategory->SetCategoryNameL(catName);
+                }
+
+            CleanupStack::PopAndDestroy(readerCategory);
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CPosLmLocalExportLandmarksOp::ReadInfoFromResourceFileL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPosLmLocalExportOp::ReadInfoFromResourceFileL()
+    {
+    CPosLmResourceReader* resources =
+        CPosLmResourceReader::NewLC(KPosLocalSuboperationResourceFile);
+
+    iNrOfSubOperations = resources->ReadInt32L(R_POS_LM_LOCAL_EXPORT_LMS_OP);
+
+    if (iNrOfSubOperations <= 0)
+        {
+        Panic(KPosLandmarksClientPanic,
+            EPosInvalidValueSpecifiedInResourceFile);
+        }
+
+    CleanupStack::PopAndDestroy(resources);
+    }
+
+//  End of File