--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/wmlengine/src/hed/include/HedLoadObserver.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,87 @@
+/*
+* Copyright (c) 2003 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:  Provides an interface observe/track load requests.
+*
+*/
+
+
+
+#ifndef MHEDLOADOBSERVER_H
+#define MHEDLOADOBSERVER_H
+
+// INCLUDES
+#include "BrsrStatusCodes.h"
+
+// FORWARD DECLARATIONS
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+typedef struct NW_Url_Resp_s NW_Url_Resp_t;
+typedef struct NW_HED_UrlRequest_s NW_HED_UrlRequest_t;
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+// CLASS DECLARATION
+
+class MHEDLoadObserver
+    {
+    public:  // Interface
+        /**
+        * Passes a HEAD response to the observer.
+        *
+        * @param aTransactionId the transaction id.
+        * @param aResponse the HEAD response to be processed.
+        * @param aUrlRequest the url request.
+        * @param aClientData the client data past with the request.
+        * @return void.
+        */
+        virtual void HeadCompleted(TUint16 aTransactionId, const NW_Url_Resp_t& aResponse, 
+                const NW_HED_UrlRequest_t& aUrlRequest, void* aClientData) = 0;
+
+        /**
+        * Passes a chunk of a response to the observer.
+        *
+        * @param aTransactionId the transaction id.
+        * @param aChunkIndex the chunk count of this call, aChunkIndex > 0
+        * @param aResponse the HEAD response to be processed.
+        * @param aUrlRequest the url request.
+        * @param aClientData the client data past with the request.
+        * @return void.
+        */
+        virtual void ChunkReceived(TUint16 aTransactionId, TUint32 aChunkIndex, 
+                const NW_Url_Resp_t& aResponse, const NW_HED_UrlRequest_t& aUrlRequest, 
+                void* aClientData) = 0;
+
+        /**
+        * Passes a chunk of a response to the observer.
+        *
+        * @param aStatusClass the type of status-code found in aStatus -- 
+                 BRSR_STAT_CLASS_HTTP or BRSR_STAT_CLASS_GENERAL.
+        * @param aStatus the final load status of the request.
+        * @param aTransactionId the transaction id.
+        * @param aUrlRequest the url request.
+        * @param aClientData the client data past with the request.
+        * @return void.
+        */
+        virtual void LoadCompleted(TInt16 aStatusClass, TBrowserStatusCode aStatus, 
+                TUint16 aTransactionId, const NW_HED_UrlRequest_t& aUrlRequest, 
+                void* aClientData) = 0;
+    };
+
+#endif  // MHEDLOADOBSERVER_H