//============================================================================
// Copyright 2009-2020 ECMWF.
// This software is licensed under the terms of the Apache Licence version 2.0
// which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
// In applying this licence, ECMWF does not waive the privileges and immunities
// granted to it by virtue of its status as an intergovernmental organisation
// nor does it submit to any jurisdiction.
//
//============================================================================


#ifndef VIEWER_SRC_LOGPROVIDER_HPP_
#define VIEWER_SRC_LOGPROVIDER_HPP_

#include <QObject>
#include <QStringList>

#include "VDir.hpp"
#include "VInfo.hpp"
#include "InfoProvider.hpp"
#include "VTask.hpp"
#include "VTaskObserver.hpp"

class FileWatcher;

class LogProvider : public QObject, public InfoProvider
{
   Q_OBJECT

public:
   LogProvider(InfoPresenter* owner,QObject* parent=nullptr);

   void visit(VInfoServer*) override;
   void clear() override;
   void setAutoUpdate(bool) override;

   public Q_SLOTS:
   void slotLinesAppend(QStringList);

   private:
   void fetchFile();
   void fetchFile(ServerHandler *server,const std::string& fileName);
   void watchFile(const std::string&,size_t);
   void stopWatchFile();

   FileWatcher* fileWatcher_;
};

#endif
