/**
 * @file llurlhistory.h
 * @brief Manages a list of recent URLs
 *
 * $LicenseInfo:firstyear=2007&license=viewergpl$
 * 
 * Copyright (c) 2007-2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#ifndef LLURLHISTORY_H
#define LLURLHISTORY_H

#include "llstring.h"

class LLSD;

class LLURLHistory
{
public:
	// Loads an xml file of URLs.  Currently only supports Parcel URL history
	static bool loadFile(const std::string& filename);

	// Saves the current history to XML
	static bool saveFile(const std::string& filename);

	static LLSD getURLHistory(const std::string& collection);

	static void addURL(const std::string& collection, const std::string& url);
	// OGPX appends url to a collection if it doesn't already exist in the collection. 
	// this is used in the collection of region URIs that are saved per region
	static BOOL appendToURLCollection(const std::string& collection, const std::string& url); 
	static void removeURL(const std::string& collection, const std::string& url);
	static void clear(const std::string& collection);

	static void limitSize(const std::string& collection);

private:
	static LLSD sHistorySD;
};

#endif // LLURLHISTORY_H
