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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkProgressObserver.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkProgressObserver_h
#define vtkProgressObserver_h

#include "vtkCommonExecutionModelModule.h" // For export macro
#include "vtkObject.h"

class VTKCOMMONEXECUTIONMODEL_EXPORT vtkProgressObserver : public vtkObject
{
public:
  static vtkProgressObserver *New();
  vtkTypeMacro(vtkProgressObserver,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void UpdateProgress(double amount);


  vtkGetMacro(Progress, double);

protected:
  vtkProgressObserver();
  ~vtkProgressObserver();

  double Progress;

private:
  vtkProgressObserver(const vtkProgressObserver&);  // Not implemented.
  void operator=(const vtkProgressObserver&);  // Not implemented.
};

#endif