plugin/poi/geonames/provider/inc/Loader.h
changeset 0 c316ab048e9d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugin/poi/geonames/provider/inc/Loader.h	Fri Jun 25 12:50:05 2010 +0200
@@ -0,0 +1,86 @@
+/*
+ * Name        : Loader.h
+ * 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
+ *
+ */
+
+#ifndef LOADER_H_
+#define LOADER_H_
+
+#include <e32base.h>
+#include <http/MHttpTransactionCallback.h>
+#include <xml/ContentHandler.h>
+#include <xml/Parser.h>
+
+#include <EPos_CPosLandmark.h>
+
+//class CPosLandmark;
+class TCoordinate;
+class CHttpClient;
+class CEntry;
+
+class MLandmarkLoaderObserver
+{
+public:
+    virtual void LandmarkLoaderOpenedL(TInt aError) = 0;
+    virtual void LandmarkLoaderItemCreatedL(const CPosLandmark& aLandmark) = 0;
+};
+
+class CLoader : public CBase, public MHTTPTransactionCallback, public Xml::MContentHandler
+{
+public:
+    static CLoader* NewL(MLandmarkLoaderObserver& aObserver);
+    ~CLoader();
+
+protected:
+    CLoader(MLandmarkLoaderObserver& aObserver);
+    void ConstructL();
+
+public:
+    void RequestL(const TCoordinate& aPosition, TReal32 aRadius);
+
+protected:
+    // From MHTTPTransactionCallback
+    void MHFRunL(RHTTPTransaction aTransaction, const THTTPEvent& aEvent);
+    TInt MHFRunError(TInt aError, RHTTPTransaction aTransaction, const THTTPEvent& aEvent);
+
+protected:
+    // from MContentHandler
+    void OnStartDocumentL(const Xml::RDocumentParameters& aDocParam, TInt aErrorCode);
+    void OnEndDocumentL(TInt aErrorCode);
+    void OnStartElementL(const Xml::RTagInfo& aElement, const Xml::RAttributeArray& aAttributes, TInt aErrorCode);
+    void OnEndElementL(const Xml::RTagInfo& aElement, TInt aErrorCode);
+    void OnContentL(const TDesC8& aBytes, TInt aErrorCode);
+    void OnStartPrefixMappingL(const RString& aPrefix, const RString& aUri, TInt aErrorCode);
+    void OnEndPrefixMappingL(const RString& aPrefix, TInt aErrorCode);
+    void OnIgnorableWhiteSpaceL(const TDesC8& aBytes, TInt aErrorCode);
+    void OnSkippedEntityL(const RString& aName, TInt aErrorCode);
+    void OnProcessingInstructionL(const TDesC8& aTarget, const TDesC8& aData, TInt aErrorCode);
+    void OnError(TInt aErrorCode);
+    TAny* GetExtendedInterface(const TInt32 aUid);
+
+    void NotifyPOIEntryL();
+
+private:
+    MLandmarkLoaderObserver& iObserver;
+
+    CHttpClient* iClient;
+    Xml::CParser* iParser;
+
+    CEntry* iEntry;
+
+    enum TState {
+        EInvalid,
+        EValid
+    } iState;
+};
+
+#endif