/** * @file llrecentpeople.h * @brief List of people with which the user has recently interacted. * * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * 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_LLRECENTPEOPLE_H #define LL_LLRECENTPEOPLE_H #include "llevent.h" #include "llsingleton.h" #include "lluuid.h" #include <vector> #include <set> #include <boost/signals2.hpp> class LLDate; /** * List of people the agent recently interacted with. * * Includes: anyone with whom the user IM'd or called * (1:1 and ad-hoc but not SL Group chat), * anyone with whom the user has had a transaction * (inventory offer, friend request, etc), * and anyone that has chatted within chat range of the user in-world. * *TODO: purge least recently added items? */ class LLRecentPeople: public LLSingleton<LLRecentPeople>, public LLOldEvents::LLSimpleListener { LLSINGLETON_EMPTY_CTOR(LLRecentPeople); LOG_CLASS(LLRecentPeople); public: typedef std::map <LLUUID, F64> id_to_time_map_t; typedef boost::signals2::signal<void ()> signal_t; /** * Add specified avatar to the list if it's not there already. * * @param id avatar to add. * * @param userdata additional information about last interaction party. * For example session id can be added. * * @return false if the avatar is in the list already, true otherwise */ bool add(const LLUUID& id, const LLSD& userdata = LLSD().with("date", LLDate::now())); /** * @param id avatar to search. * @return true if the avatar is in the list, false otherwise. */ bool contains(const LLUUID& id) const; /** * Get the whole list. * * @param result where to put the result. */ void get(uuid_vec_t& result) const; /** * Returns last interaction time with specified participant * */ const LLDate getDate(const LLUUID& id) const; /** * Returns data about specified participant * * @param id identifier of specific participant */ const LLSD& getData(const LLUUID& id) const; /** * Set callback to be called when the list changed. * * Multiple callbacks can be set. * * @return no connection; use boost::bind + boost::signals2::trackable to disconnect slots. */ void setChangedCallback(const signal_t::slot_type& cb) { mChangedSignal.connect(cb); } /** * LLSimpleListener interface. */ /*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata); void updateAvatarsArrivalTime(uuid_vec_t& uuids); F32 getArrivalTimeByID(const LLUUID& id); private: typedef std::map<LLUUID, LLSD> recent_people_t; recent_people_t mPeople; signal_t mChangedSignal; id_to_time_map_t mAvatarsArrivalTime; }; #endif // LL_LLRECENTPEOPLE_H