97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
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// Timer.hh for FbTk - Fluxbox Toolkit
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// Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
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//
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// Timer.hh for Blackbox - An X11 Window Manager
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// Copyright (c) 1997 - 2000 Brad Hughes (bhughes at tcac.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#ifndef FBTK_TIMER_HH
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#define FBTK_TIMER_HH
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#include <ctime>
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#include <list>
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namespace FbTk {
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/// Handles timeouts
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/**
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Inherit this to have a timed object, that calls
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timeout function when the time is out
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*/
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class TimeoutHandler {
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public:
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/// called when the time is out
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virtual void timeout() = 0;
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};
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/**
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Handles TimeoutHandles
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*/
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class Timer {
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public:
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explicit Timer(TimeoutHandler *handler);
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virtual ~Timer();
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inline int isTiming() const { return m_timing; }
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inline int doOnce() const { return m_once; }
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inline const timeval &getTimeout() const { return m_timeout; }
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inline const timeval &getStartTime() const { return m_start; }
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inline void fireOnce(bool once) { m_once = once; }
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/// set timeout
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void setTimeout(long val);
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/// set timeout
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void setTimeout(timeval val);
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/// start timing
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void start();
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/// stop timing
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void stop();
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/// update all timers
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static void updateTimers(int file_descriptor);
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protected:
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/// force a timeout
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void fireTimeout();
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private:
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/// add a timer to the static list
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static void addTimer(Timer *timer);
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/// remove a timer from the static list
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static void removeTimer(Timer *timer);
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typedef std::list<Timer *> TimerList;
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static TimerList m_timerlist; ///< list of all timers
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TimeoutHandler *m_handler; ///< handler
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bool m_timing; ///< clock running?
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bool m_once; ///< do timeout only once?
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timeval m_start; ///< start time
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timeval m_timeout; ///< time length
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};
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}; // end namespace FbTk
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#endif // FBTK_TIMER_HH
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