--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugin/poi/landmarks/provider/src/Provider.cpp	Fri Jun 25 12:50:05 2010 +0200
@@ -0,0 +1,141 @@
+/*
+ * Name        : Provider.cpp
+ * Description : 
+ * Project     : This file is part of OpenMAR, an Open Mobile Augmented Reality browser
+ * Website     : http://OpenMAR.org
+ *
+ * Copyright (c) 2010 David Caabeiro
+ *
+ * All rights reserved. This program and the accompanying materials are made available 
+ * under the terms of the Eclipse Public License v1.0 which accompanies this 
+ * distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
+ *
+ */
+
+#include "Provider.h"
+
+#include <Hash.h>
+#include <Uri8.h>
+
+#include "Logger.h"
+
+/*
+ * Generate a unique id using coordinate and name as seeds
+ * 
+ */
+
+TUint32 GenerateIdL(const CPosLandmark& aLandmark)
+{
+    TPtrC name;
+    aLandmark.GetLandmarkName(name);
+
+    TLocality coordinate;
+    aLandmark.GetPosition(coordinate);
+
+    HBufC8* name8 = HBufC8::NewLC(name.Length());
+    name8->Des().Copy(name);
+
+    TRealFormat realFormat;
+    realFormat.iPoint  = TChar('.');    // Override TLocale::DecimalSeparator() as separator
+    realFormat.iWidth  = 8;             // Set max width of number
+    realFormat.iPlaces = 5;             // Set max width of decimal portion
+
+    TBuf8<KDefaultRealWidth> latitude;
+    latitude.Num(coordinate.Latitude(), realFormat);
+
+    TBuf8<KDefaultRealWidth> longitude;
+    longitude.Num(coordinate.Longitude(), realFormat);
+
+    CSHA1* hash = CSHA1::NewL();
+    CleanupStack::PushL(hash);
+    hash->Update(*name8);
+    hash->Update(latitude);
+    TPtrC8 result = hash->Final(longitude);
+
+    const TUint32* ptr = reinterpret_cast<const TUint32*>(result.Ptr());
+    TUint32 value = *ptr;
+
+    CleanupStack::PopAndDestroy(2, name8);  // hash, name8
+
+    return value;
+}
+
+
+CProvider* CProvider::NewL(const TDesC8& aProviderUri)
+{
+    CProvider* self = new(ELeave) CProvider;
+    CleanupStack::PushL(self);
+    self->ConstructL(aProviderUri);
+    CleanupStack::Pop(self);
+
+    return self;
+}
+
+CProvider::~CProvider()
+{
+    delete iLoader;
+
+    ReleaseLandmarkResources();
+}
+
+CProvider::CProvider()
+{}
+
+void CProvider::ConstructL(const TDesC8& aProviderUri)
+{
+    TUriParser8 uri;
+    uri.Parse(aProviderUri);
+
+    _LIT8(KHttpScheme, "http");
+
+    if (uri.IsSchemeValid() && uri.Extract(EUriScheme).Compare(KHttpScheme) == 0)
+        iLoader = CRemoteLoader::NewL(*this, aProviderUri);
+    else
+        iLoader = CLocalLoader::NewL(*this, aProviderUri);
+}
+
+void CProvider::LandmarkLoaderOpenedL(TInt aError)
+{
+    if (iObserver)
+        iObserver->POIProviderLoadedL(this, aError);
+}
+
+void CProvider::LandmarkLoaderItemCreatedL(const CPosLandmark& aLandmark)
+{
+    if (iObserver)
+    {
+        TPosLmItemId id = aLandmark.LandmarkId();
+
+        if (id == KPosLmNullItemId)
+            id = GenerateIdL(aLandmark);
+
+        _LIT8(KObject, "lmx");
+        OpenMAR::CPOIObject* object = OpenMAR::CPOIObject::NewL(KObject, *this);
+        CleanupStack::PushL(object);
+
+        object->SetIdentifier(id);
+
+        TLocality locality;
+        aLandmark.GetPosition(locality);
+        object->SetCoordinate(locality);
+
+        iObserver->POIObjectCreatedL(object);   // Transfers ownership
+
+        CleanupStack::Pop(object);
+    }
+}
+
+void CProvider::LandmarkLoaderItemUpdatedL(const CPosLandmark& aLandmark)
+{
+}
+
+void CProvider::LandmarkLoaderItemDeletedL(const CPosLandmark& aLandmark)
+{
+}
+
+void CProvider::RetrieveL(const TCoordinate& aCoordinate, TReal32 aRadius)
+{
+    LOGARG("[LANDMARKS] Retrieving landmarks from %f %f %f", aCoordinate.Latitude(), aCoordinate.Longitude(), aCoordinate.Altitude());
+
+    iLoader->RequestL(aCoordinate, aRadius);
+}