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// Timer.hh for FbTk - Fluxbox Toolkit
// Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at fluxbox dot org)
//
// Timer.hh for Blackbox - An X11 Window Manager
// Copyright (c) 1997 - 2000 Brad Hughes (bhughes at tcac.net)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#ifndef FBTK_TIMER_HH
#define FBTK_TIMER_HH
#include "RefCount.hh"
#include "Command.hh"
#include "FbTime.hh"
#include <string>
namespace FbTk {
/**
Handles Timeout
*/
class Timer {
public:
Timer();
explicit Timer(const RefCount<Slot<void> > &handler);
~Timer();
void fireOnce(bool once) { m_once = once; }
void setTimeout(uint64_t timeout, bool force_start = false);
void setCommand(const RefCount<Slot<void> > &cmd);
template<typename Functor>
void setFunctor(const Functor &functor) {
setCommand(RefCount<Slot<void> >(new SlotImpl<Functor, void>(functor)));
}
void setInterval(int seconds) { m_interval = seconds; }
void start();
void stop();
static void updateTimers(int file_descriptor);
int isTiming() const;
int getInterval() const { return m_interval; }
int doOnce() const { return m_once; }
uint64_t getTimeout() const { return m_timeout; }
uint64_t getStartTime() const { return m_start; }
uint64_t getEndTime() const;
protected:
/// force a timeout
void fireTimeout();
private:
RefCount<Slot<void> > m_handler; ///< what to do on a timeout
bool m_once; ///< do timeout only once?
int m_interval; ///< Is an interval-only timer (e.g. clock), in seconds
uint64_t m_start; ///< start time in microseconds
uint64_t m_timeout; ///< time length in microseconds
};
/// executes a command after a specified timeout
class DelayedCmd: public Command<void> {
public:
// timeout in microseconds
DelayedCmd(const RefCount<Slot<void> > &cmd, uint64_t timeout = 200);
// this constructor has inverted order of parameters to avoid ambiguity with the previous
// constructor
template<typename Functor>
DelayedCmd(uint64_t timeout, const Functor &functor) {
initTimer(timeout);
m_timer.setFunctor(functor);
}
void execute();
static Command<void> *parse(const std::string &command,
const std::string &args, bool trusted);
private:
void initTimer(uint64_t timeout);
Timer m_timer;
};
} // end namespace FbTk
#endif // FBTK_TIMER_HH
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