FileWatcher.h

Go to the documentation of this file.

/*  FileWatcher.h - class for monitoring file changes.

    Copyright (C) 2001-2004 Mark Weaver
    Written by Mark Weaver <mark@npsl.co.uk>

    Part of the Open-Win32 library.
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the
    Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA  02111-1307, USA.
*/

#ifndef OW32_FileWatcher_h
#define OW32_FileWatcher_h

#include <OW32/windows.h>

namespace OW32
{

class OW32_LIB_EXPORT CIoCompletionThreadPool;

class OW32_LIB_EXPORT CFileWatch;

class OW32_LIB_EXPORT CFileWatcher
{
public:
    CFileWatcher(CIoCompletionThreadPool &ioCompletionPool);

    ~CFileWatcher();

    void cancel();

    void startWatch(CFileWatch *watch, DWORD changesMask = FILE_NOTIFY_CHANGE_LAST_WRITE|FILE_NOTIFY_CHANGE_FILE_NAME);

    void stopWatch(CFileWatch *watch);

private:
    // No copy or assignment
    CFileWatcher(const CFileWatcher &other);
    CFileWatcher& operator=(const CFileWatcher &other);

    // Hmm, better way?  CFileWatchSet needs to callback into the guts somehow 
    // (function pointer?)
    friend class CFileWatchSet;

    struct pimpl_;
    pimpl_ *m_impl;
};

} // namespace OW32

#endif // OW32_FileWatcher_h

---