mitkITKEventObserverGuard.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef mitkITKEventObserverGuard_h
#define mitkITKEventObserverGuard_h
 
#include <functional>
#include <memory>
#include "MitkCoreExports.h"
 
namespace itk
{
  class Object;
  class Command;
  class EventObject;
}
 
namespace mitk
{
  class MITKCORE_EXPORT ITKEventObserverGuard
  {
  public:
    ITKEventObserverGuard();
    ITKEventObserverGuard(const itk::Object* sender, unsigned long observerTag);
    ITKEventObserverGuard(const itk::Object* sender, const itk::EventObject& event, itk::Command* command);
    ITKEventObserverGuard(const itk::Object* sender, const itk::EventObject& event, std::function<void(const itk::EventObject&)> function);
    ITKEventObserverGuard(ITKEventObserverGuard&&);
    ITKEventObserverGuard& operator=(ITKEventObserverGuard&&);
 
    ~ITKEventObserverGuard();
 
    void Reset();
 
    void Reset(const itk::Object* sender, unsigned long observerTag);
 
    void Reset(const itk::Object* sender, const itk::EventObject& event, itk::Command* command);
 
    void Reset(const itk::Object* sender, const itk::EventObject& event, std::function<void(const itk::EventObject&)> function);
 
    bool IsInitialized() const;
 
  private:
    struct Impl;
    std::unique_ptr<Impl> m_ITKEventObserverGuardImpl;
  };
 
 
}
 
#endif