/*
 * Copyright (C) 2005-2019 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef otbQtLogOutput_h
#define otbQtLogOutput_h

#include <QtWidgets>
#include "itkStdStreamLogOutput.h"
//#include "itkObjectFactory.h"
//#include "itkProcessObject.h"

#include "OTBQtWidgetExport.h"

namespace otb
{

/** \class QtLogOutput
 *  \brief Class that get log output and launch an event when received.
 *
 *
 * \ingroup OTBQtWidget
 *
 */

class OTBQtWidget_EXPORT QtLogOutput : public QObject, public itk::LogOutput
{
  Q_OBJECT
public:
  typedef QtLogOutput                   Self;
  typedef itk::LogOutput                Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;

  itkTypeMacro(QtLogOutput, itk::LogOutput);

  itkNewMacro(QtLogOutput);

  /** flush a buffer */
  void Flush() override;

  /** Write to multiple outputs */
  void Write(double timestamp) override;

  /** Write to a buffer */
  void Write(std::string const& content) override;

  /** Write to a buffer */
  void Write(std::string const& content, double timestamp) override;

signals:
  void NewContentLog(QString);

protected:
  /** Constructor */
  QtLogOutput();

  /** Destructor */
  ~QtLogOutput() override;

  void PrintSelf(std::ostream& os, itk::Indent indent) const override;
};
}

#endif