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diff --git a/indra/newview/llestateinfomodel.h b/indra/newview/llestateinfomodel.h
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+/** 
+ * @file llestateinfomodel.h
+ * @brief Estate info model
+ *
+ * $LicenseInfo:firstyear=2011&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2011, 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_LLESTATEINFOMODEL_H
+#define LL_LLESTATEINFOMODEL_H
+
+class LLMessageSystem;
+
+#include "llsingleton.h"
+
+/**
+ * Contains estate info, notifies interested parties of its changes.
+ */
+class LLEstateInfoModel : public LLSingleton<LLEstateInfoModel>
+{
+	LOG_CLASS(LLEstateInfoModel);
+
+public:
+	typedef boost::signals2::signal<void()> update_signal_t;
+	boost::signals2::connection setUpdateCallback(const update_signal_t::slot_type& cb); /// the model has been externally updated
+	boost::signals2::connection setCommitCallback(const update_signal_t::slot_type& cb); /// our changes have been applied
+
+	void sendEstateInfo(); /// send estate info to the simulator
+
+	// getters
+	bool				getUseFixedSun()			const;
+	bool				getIsExternallyVisible()	const;
+	bool				getAllowDirectTeleport()	const;
+	bool				getDenyAnonymous()			const;
+	bool				getDenyAgeUnverified()		const;
+	bool				getAllowVoiceChat()			const;
+
+	const std::string&	getName()					const { return mName; }
+	const LLUUID&		getOwnerID()				const { return mOwnerID; }
+	U32					getID()						const { return mID; }
+	F32					getSunHour()				const { return getUseFixedSun() ? mSunHour : 0.f; }
+
+	// setters
+	void setUseFixedSun(bool val);
+	void setIsExternallyVisible(bool val);
+	void setAllowDirectTeleport(bool val);
+	void setDenyAnonymous(bool val);
+	void setDenyAgeUnverified(bool val);
+	void setAllowVoiceChat(bool val);
+
+	void setSunHour(F32 sun_hour) { mSunHour = sun_hour; }
+
+protected:
+	typedef std::vector<std::string> strings_t;
+
+	friend class LLSingleton<LLEstateInfoModel>;
+	friend class LLDispatchEstateUpdateInfo;
+	friend class LLEstateChangeInfoResponder;
+
+	LLEstateInfoModel();
+
+	/// refresh model with data from the incoming server message
+	void update(const strings_t& strings);
+
+	void notifyCommit();
+
+private:
+	bool commitEstateInfoCaps();
+	void commitEstateInfoDataserver();
+	U32  getFlags() const { return mFlags; }
+	void setFlag(U32 flag, bool val);
+	std::string getInfoDump();
+
+	// estate info
+	std::string	mName;			/// estate name
+	LLUUID		mOwnerID;		/// estate owner id
+	U32			mID;			/// estate id
+	U32			mFlags;			/// estate flags
+	F32			mSunHour;		/// estate sun hour
+
+	update_signal_t mUpdateSignal; /// emitted when we receive update from sim
+	update_signal_t mCommitSignal; /// emitted when our update gets applied to sim
+};
+
+#endif // LL_LLESTATEINFOMODEL_H