143 lines
3.6 KiB
C++
143 lines
3.6 KiB
C++
/**
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* @file llsearchhistory.h
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* @brief Search history container definition
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*
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* $LicenseInfo:firstyear=2009&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLSEARCHHISTORY_H
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#define LL_LLSEARCHHISTORY_H
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#include "llsingleton.h"
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#include "llinitdestroyclass.h"
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#include "llui.h"
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/**
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* Search history container able to save and load history from file.
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* History is stored in chronological order, most recent at the beginning.
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*/
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class LLSearchHistory : public LLSingleton<LLSearchHistory>, private LLDestroyClass<LLSearchHistory>
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{
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LLSINGLETON(LLSearchHistory);
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friend class LLDestroyClass<LLSearchHistory>;
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public:
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// Forward declaration
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class LLSearchHistoryItem;
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// Search history container
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typedef std::list<LLSearchHistoryItem> search_history_list_t;
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/**
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* Saves search history to file
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*/
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bool save();
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/**
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* loads search history from file
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*/
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bool load();
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/**
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* Returns search history list
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*/
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search_history_list_t& getSearchHistoryList() { return mSearchHistory; }
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/**
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* Deletes all search history queries from list.
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*/
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void clearHistory() { mSearchHistory.clear(); }
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/**
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* Adds unique entry to front of search history list, case insensitive
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* If entry is already in list, it will be deleted and added to front.
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*/
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void addEntry(const std::string& search_text);
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/**
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* Class for storing data about single search request.
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*/
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class LLSearchHistoryItem
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{
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public:
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LLSearchHistoryItem()
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{}
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LLSearchHistoryItem(const std::string& query)
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: search_query(query)
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{}
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LLSearchHistoryItem(const LLSD& item)
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{
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if(item.has(SEARCH_QUERY))
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search_query = item[SEARCH_QUERY].asString();
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}
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std::string search_query;
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/**
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* Allows std::list sorting
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*/
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bool operator < (const LLSearchHistory::LLSearchHistoryItem& right) const;
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/**
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* Allows std::list sorting
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*/
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bool operator > (const LLSearchHistory::LLSearchHistoryItem& right) const;
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bool operator==(const LLSearchHistoryItem& right) const;
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bool operator==(const std::string& right) const;
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/**
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* Serializes search history item to LLSD
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*/
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LLSD toLLSD() const;
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};
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protected:
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/**
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* Returns path to search history file.
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*/
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std::string getHistoryFilePath();
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static std::string SEARCH_HISTORY_FILE_NAME;
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static std::string SEARCH_QUERY;
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private:
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// Implementation of LLDestroyClass<LLSearchHistory>
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static void destroyClass()
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{
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LLSearchHistory::getInstance()->save();
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}
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search_history_list_t mSearchHistory;
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};
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class LLSearchComboBox;
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#endif //LL_LLSEARCHHISTORY_H
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