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/**
* @file llsearchhistory.h
* @brief Search history container definition
*
* $LicenseInfo:firstyear=2009&license=viewergpl$
*
* Copyright (c) 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 LL_LLSEARCHHISTORY_H
#define LL_LLSEARCHHISTORY_H
#include "llsingleton.h"
/**
* Search history container able to save and load history from file.
* History is stored in chronological order, most recent at the beginning.
*/
class LLSearchHistory : public LLSingleton<LLSearchHistory>
{
public:
// Forward declaration
class LLSearchHistoryItem;
// Search history container
typedef std::list<LLSearchHistoryItem> search_history_list_t;
/**
* Saves search history to file
*/
bool save();
/**
* loads search history from file
*/
bool load();
/**
* Returns search history list
*/
search_history_list_t& getSearchHistoryList() { return mSearchHistory; }
/**
* Deletes all search history queries from list.
*/
void clearHistory() { mSearchHistory.clear(); }
/**
* Adds unique entry to front of search history list, case insensitive
* If entry is already in list, it will be deleted and added to front.
*/
void addEntry(const std::string& search_text);
LLSearchHistory();
/**
* Class for storing data about single search request.
*/
class LLSearchHistoryItem
{
public:
LLSearchHistoryItem()
{}
LLSearchHistoryItem(const std::string& query)
: search_query(query)
{}
LLSearchHistoryItem(const LLSD& item)
{
if(item.has(SEARCH_QUERY))
search_query = item[SEARCH_QUERY].asString();
}
std::string search_query;
/**
* Allows std::list sorting
*/
bool operator < (const LLSearchHistory::LLSearchHistoryItem& right);
/**
* Allows std::list sorting
*/
bool operator > (const LLSearchHistory::LLSearchHistoryItem& right);
bool operator==(const LLSearchHistoryItem& right);
bool operator==(const std::string& right);
/**
* Serializes search history item to LLSD
*/
LLSD toLLSD() const;
};
protected:
/**
* Returns path to search history file.
*/
std::string getHistoryFilePath();
static std::string SEARCH_HISTORY_FILE_NAME;
static std::string SEARCH_QUERY;
private:
search_history_list_t mSearchHistory;
};
class LLSearchComboBox;
#endif //LL_LLSEARCHHISTORY_H
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