sapi_landmarks/src/clandmarkiterable.cpp
changeset 0 14df0fbfcc4e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sapi_landmarks/src/clandmarkiterable.cpp	Mon Mar 30 12:51:10 2009 +0300
@@ -0,0 +1,267 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  CLandmarkIterable class implementation
+*
+*/
+
+
+#include <e32math.h>
+#include <epos_cposlandmark.h>
+#include <epos_cposlandmarkdatabase.h>
+#include <epos_cposlmitemiterator.h>
+#include <lbsposition.h>
+#include "clandmarkiterable.h"
+#include "landmarkliwparams.hrh"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CLandmarkIterable::NewL( CPosLmItemIterator* aIterator,
+//    TDesC& aDatabaseUri )
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CLandmarkIterable* CLandmarkIterable::NewL( CPosLmItemIterator* aIterator,
+    const TDesC& aDatabaseUri )
+    {
+    CLandmarkIterable* self = new (ELeave) CLandmarkIterable(aIterator);
+    CleanupStack::PushL(self);
+    self->ConstructL(aDatabaseUri);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CLandmarkIterable::ConstructL( const TDesC & aDatabaseUri )
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkIterable::ConstructL( const TDesC& aDatabaseUri )
+    {
+    iDatabase = CPosLandmarkDatabase::OpenL(aDatabaseUri);
+    if ( iDatabase->IsInitializingNeeded() )
+        {
+        ExecuteAndDeleteLD(iDatabase->InitializeL());
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CLandmarkIterable::CLandmarkIterable( CPosLmItemIterator* aIterator )
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+CLandmarkIterable::CLandmarkIterable( CPosLmItemIterator* aIterator )
+                 : iIterator(aIterator)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CLandmarkIterable::~CLandmarkIterable()
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+ CLandmarkIterable::~CLandmarkIterable()
+    {
+    delete iIterator;
+    delete iLandmark;
+    delete iDatabase;
+    delete iLandmarkId;
+    iCategoryIds.ResetAndDestroy();
+    iCategoryIds.Close();
+    ReleaseLandmarkResources();
+    }
+
+// -----------------------------------------------------------------------------
+// CLandmarkIterable::Reset()
+// Resets the iterator. NextL has to be called to retrieve the first item.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkIterable::Reset()
+    {
+    iIterator->Reset();
+    }
+
+// -----------------------------------------------------------------------------
+// CLandmarkIterable::NextL( TLiwVariant& aEntry )
+// retrievs the next item in the list.
+// -----------------------------------------------------------------------------
+//
+TBool CLandmarkIterable::NextL( TLiwVariant& aEntry )
+    {
+    if ( iLandmark )
+        {
+        delete iLandmark;
+        iLandmark = NULL;
+        delete iLandmarkId;
+        iLandmarkId = NULL;
+        iCategoryIds.ResetAndDestroy();
+        }
+        
+    TPosLmItemId landmarkId = iIterator->NextL();
+    if ( KPosLmNullItemId == landmarkId )
+        {
+        return EFalse;
+        }
+        
+    TPtrC landmarkName;
+    TLocality location;
+    TReal32 coverageRadius;
+    TPtrC iconFileName;
+    TInt iconIndex;
+    TInt iconMaskIndex;
+    TPtrC description;
+    TUint numberOfId;
+    
+    CLiwMap* landmarkMap = CLiwDefaultMap::NewL();
+    CleanupClosePushL (*landmarkMap );
+    RArray<TPosLmItemId> categoryIdArray;
+    CleanupClosePushL(categoryIdArray);
+    
+    iLandmark = iDatabase->ReadLandmarkLC(landmarkId);
+    CleanupStack::Pop(iLandmark);
+    
+    iLandmarkId = HBufC::NewL(KMaxIDStringLength);
+    iLandmarkId->Des().Num(landmarkId,EDecimal);
+    landmarkMap->InsertL(KId,TLiwVariant(iLandmarkId));
+
+    if ( iLandmark->GetLandmarkName(landmarkName) == KErrNone )
+        {
+        landmarkMap->InsertL(KLandmarkName,TLiwVariant(landmarkName));
+        }
+        
+    if ( iLandmark->GetPosition(location) == KErrNone )
+        {
+        CLiwMap* positionMap = CLiwDefaultMap::NewL();
+        CleanupClosePushL (*positionMap );
+        TRealX num = location.Latitude();
+        if( !num.IsNaN() )
+        {
+        	positionMap->InsertL(KLatitude,TLiwVariant((TReal)num));
+        }
+        num = location.Longitude();
+        if( !num.IsNaN() )
+        {
+        	positionMap->InsertL(KLongitude,TLiwVariant((TReal)num));
+        }
+        num = location.Altitude();
+        if( !num.IsNaN() )
+        {
+        	positionMap->InsertL(KAltitude,TLiwVariant((TReal)num));
+        }
+        num = location.HorizontalAccuracy();
+        if( !num.IsNaN() )
+        {
+        	positionMap->InsertL(KHAccuracy,TLiwVariant((TReal)num));
+        }
+        num = location.VerticalAccuracy();
+        if( !num.IsNaN() )
+        {
+        	positionMap->InsertL(KVAccuracy,TLiwVariant((TReal)num));
+        }
+
+        landmarkMap->InsertL(KLandmarkPosition,TLiwVariant(positionMap));
+        CleanupStack::PopAndDestroy (positionMap );
+        }
+        
+    if ( iLandmark->GetCoverageRadius(coverageRadius) == KErrNone )
+        {
+        landmarkMap->InsertL(KCoverageRadius,TLiwVariant(coverageRadius));
+        }
+        
+    iLandmark->GetCategoriesL(categoryIdArray);
+    TInt catCount = categoryIdArray.Count();
+    if ( catCount )
+        {
+        CLiwList* categoryList = CLiwDefaultList::NewL();
+        CleanupClosePushL ( *categoryList );
+        for ( TInt index = 0; index < catCount; ++index )
+            {
+            HBufC* catId = HBufC::NewLC(KMaxIDStringLength);
+            iCategoryIds.AppendL(catId);
+            CleanupStack::Pop(catId);
+            catId->Des().Num(categoryIdArray[index],EDecimal);
+            categoryList->AppendL(TLiwVariant(catId));
+            }
+        landmarkMap->InsertL(KCategoryInfo,TLiwVariant(categoryList));
+        CleanupStack::PopAndDestroy (categoryList );
+        }
+        
+    if ( iLandmark->GetIcon(iconFileName,iconIndex,iconMaskIndex) == KErrNone )
+        {
+        landmarkMap->InsertL(KIconFile,TLiwVariant(iconFileName));
+        landmarkMap->InsertL(KIconIndex,TLiwVariant((TInt32)iconIndex));
+        landmarkMap->InsertL(KIconMaskIndex,TLiwVariant((TInt32)iconMaskIndex));
+        }
+        
+    if ( iLandmark->GetLandmarkDescription(description) == KErrNone )
+        {
+        landmarkMap->InsertL(KLandmarkDesc,TLiwVariant(description));
+        }
+        
+    numberOfId = iLandmark->NumOfAvailablePositionFields();
+    if ( numberOfId )
+        {
+        CLiwMap* fieldMap = CLiwDefaultMap::NewL();
+        CleanupClosePushL (*fieldMap );
+        TPositionFieldId fieldId = iLandmark->FirstPositionFieldId();
+        TPtrC fieldValue;
+        TLiwVariant variant;
+        while( numberOfId-- )
+            {
+            iLandmark->GetPositionField(fieldId,fieldValue);
+            variant.Set(fieldValue);
+            if ( EPositionFieldCountry == fieldId)
+                {
+                fieldMap->InsertL(KLandmarkCountry,variant);
+                }
+            if ( EPositionFieldPostalCode == fieldId)
+                {
+                fieldMap->InsertL(KLandmarkAreaCode,variant);
+                }
+            if ( EPositionFieldCity == fieldId)
+                {
+                fieldMap->InsertL(KLandmarkCity,variant);
+                }
+            if ( EPositionFieldDistrict == fieldId)
+                {
+                fieldMap->InsertL(KLandmarkDistrict,variant);
+                }
+            if ( EPositionFieldBuildingName == fieldId)
+                {
+                fieldMap->InsertL(KLandmarkBuildingName,variant);
+                }
+            if ( EPositionFieldStreet == fieldId)
+                {
+                fieldMap->InsertL(KLandmarkStreet,variant);
+                }
+            if ( EPositionFieldBuildingTelephone == fieldId)
+                {
+                fieldMap->InsertL(KLandmarkTelephone,variant);
+                }
+            fieldId = iLandmark->NextPositionFieldId(fieldId);
+            }
+        landmarkMap->InsertL(KLandmarkFields,TLiwVariant(fieldMap));
+        CleanupStack::PopAndDestroy (fieldMap );
+        variant.Reset();
+        }
+     
+    CleanupStack::PopAndDestroy(&categoryIdArray);
+       
+    aEntry.SetL(landmarkMap);
+    CleanupStack::PopAndDestroy (landmarkMap );
+    
+    return ETrue;
+    }
+
+//end of file