/** * @file lleventtimer.h * @brief Cross-platform objects for doing timing * * $LicenseInfo:firstyear=2000&license=viewerlgpl$ * 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_EVENTTIMER_H #define LL_EVENTTIMER_H #include "stdtypes.h" #include "lldate.h" #include "llinstancetracker.h" #include "lltimer.h" // class for scheduling a function to be called at a given frequency (approximate, inprecise) class LL_COMMON_API LLEventTimer : public LLInstanceTracker<LLEventTimer> { public: LLEventTimer(F32 period); // period is the amount of time between each call to tick() in seconds LLEventTimer(const LLDate& time); virtual ~LLEventTimer(); //function to be called at the supplied frequency // Normally return FALSE; TRUE will delete the timer after the function returns. virtual BOOL tick() = 0; static void updateClass(); protected: LLTimer mEventTimer; F32 mPeriod; }; #endif //LL_EVENTTIMER_H