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diff --git a/indra/newview/llworldmapmessage.h b/indra/newview/llworldmapmessage.h
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+/** 
+ * @file llworldmapmessage.h
+ * @brief Handling of the messages to the DB made by and for the world map.
+ *
+ * $LicenseInfo:firstyear=2003&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLWORLDMAPMESSAGE_H
+#define LL_LLWORLDMAPMESSAGE_H
+
+// Handling of messages (send and process) as well as SLURL callback if necessary
+class LLMessageSystem;
+
+class LLWorldMapMessage : public LLSingleton<LLWorldMapMessage>
+{
+public:
+	typedef boost::function<void(U64 region_handle, const std::string& url, const LLUUID& snapshot_id, bool teleport)>
+		url_callback_t;
+
+	LLWorldMapMessage();
+	~LLWorldMapMessage();
+
+	// Process incoming answers to map stuff requests
+	static void processMapBlockReply(LLMessageSystem*, void**);
+	static void processMapItemReply(LLMessageSystem*, void**);
+
+	// Request data for all regions in a rectangular area. Coordinates in grids (i.e. meters / 256).
+	void sendMapBlockRequest(U16 min_x, U16 min_y, U16 max_x, U16 max_y, bool return_nonexistent = false);
+
+	// Various methods to request LLSimInfo data to the simulator and asset DB
+	void sendNamedRegionRequest(std::string region_name);
+	void sendNamedRegionRequest(std::string region_name, 
+		url_callback_t callback,
+		const std::string& callback_url,
+		bool teleport);
+	void sendHandleRegionRequest(U64 region_handle, 
+		url_callback_t callback,
+		const std::string& callback_url,
+		bool teleport);
+
+	// Request item data for regions
+	// Note: the handle works *only* when requesting agent count (type = MAP_ITEM_AGENT_LOCATIONS). In that case,
+	// the request will actually be transitting through the spaceserver (all that is done on the sim).
+	// All other values of type do create a global grid request to the asset DB. So no need to try to get, say,
+	// the events for one particular region. For such a request, the handle is ignored.
+	void sendItemRequest(U32 type, U64 handle = 0);
+
+private:
+	// Search for region (by name or handle) for SLURL processing and teleport
+	// None of this relies explicitly on the LLWorldMap instance so better handle it here
+	std::string		mSLURLRegionName;
+	U64				mSLURLRegionHandle;
+	std::string		mSLURL;
+	url_callback_t	mSLURLCallback;
+	bool			mSLURLTeleport;
+};
+
+#endif // LL_LLWORLDMAPMESSAGE_H