mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-12-28 14:58:36 +00:00
99d1627a47
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6138 a592a061-630c-0410-9148-cb99ea01b6c8
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
// -*- C++ -*-
|
|
/**
|
|
* \file FileMonitor.h
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author Angus Leeming
|
|
*
|
|
* Full author contact details are available in file CREDITS
|
|
*
|
|
* FileMonitor monitors a file and informs a listener when that file has
|
|
* changed.
|
|
*/
|
|
|
|
#ifndef FILEMONITOR_H
|
|
#define FILEMONITOR_H
|
|
|
|
#include "LString.h"
|
|
|
|
#include <boost/utility.hpp>
|
|
#include <boost/scoped_ptr.hpp>
|
|
#include <boost/signals/signal0.hpp>
|
|
|
|
class FileMonitor : boost::noncopyable {
|
|
public:
|
|
/** Once monitoring begins, the file will be monitored every
|
|
* interval ms.
|
|
*/
|
|
FileMonitor(string const & file_with_path, int interval);
|
|
|
|
/// Define an empty d-tor out-of-line to keep boost::scoped_ptr happy.
|
|
~FileMonitor();
|
|
|
|
///
|
|
void reset(string const & file_with_path) const;
|
|
|
|
///
|
|
string const & filename() const;
|
|
|
|
/// Begin monitoring the file
|
|
void start() const;
|
|
///
|
|
void stop() const;
|
|
///
|
|
bool monitoring() const;
|
|
|
|
/** The checksum is recomputed whenever the file is modified.
|
|
* If the file is not being monitored, then the checksum will be
|
|
* recomputed each time this function is called.
|
|
*/
|
|
unsigned long checksum() const;
|
|
|
|
/// Connect and you'll be informed when the file has changed.
|
|
typedef boost::signal0<void>::slot_type slot_type;
|
|
///
|
|
boost::signals::connection connect(slot_type const &) const;
|
|
|
|
private:
|
|
/// Use the Pimpl idiom to hide the internals.
|
|
class Impl;
|
|
|
|
/// The pointer never changes although *pimpl_'s contents may.
|
|
boost::scoped_ptr<Impl> const pimpl_;
|
|
};
|
|
|
|
#endif // FILEMONITOR_H
|