FileWatcher.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2021.
//
// This software is released under a three-clause BSD license:
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//    documentation and/or other materials provided with the distribution.
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//    may be used to endorse or promote products derived from this software
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// $Maintainer: Timo Sachsenberg $
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------
 
 
#pragma once
 
//OpenMS
#include <OpenMS/CONCEPT/Types.h>
#include <OpenMS/DATASTRUCTURES/Map.h>
#include <OpenMS/DATASTRUCTURES/String.h>
 
//Qt
#include <QtCore/QFileSystemWatcher>
 
//STL
#include <map>
 
namespace OpenMS
{
  class String;
 
  class OPENMS_DLLAPI FileWatcher :
    public QFileSystemWatcher       //find out why ICC requires public instead of protected
  {
    Q_OBJECT
 
public:
    FileWatcher(QObject * parent = nullptr);
 
    ~FileWatcher() override;
 
    inline void setDelayInSeconds(double delay)
    {
      delay_in_seconds_ = delay;
    }
 
    inline void addFile(const String & path)
    {
      QFileSystemWatcher::addPath(path.toQString());
    }
 
    inline void removeFile(const String & path)
    {
      QFileSystemWatcher::removePath(path.toQString());
    }
 
signals:
    void fileChanged(const String &);
 
protected slots:
    void monitorFileChanged_(const QString & name);
    void timerTriggered_();
 
protected:
    Map<QString, QString> timers_;
    double delay_in_seconds_;
  };
 
  // OPENMS_DLLAPI extern FileWatcher myFileWatcher_instance;
}