berryIEvaluationService.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 BERRYIEVALUATIONSERVICE_H
#define BERRYIEVALUATIONSERVICE_H

#include <berryIServiceWithSources.h>

#include <org_blueberry_ui_qt_Export.h>

namespace berry {

struct IEvaluationContext;
struct IEvaluationReference;
struct IPropertyChangeListener;

class Expression;

struct BERRY_UI_QT IEvaluationService : public IServiceWithSources
{
  berryObjectMacro(berry::IEvaluationService);

  static const QString RESULT; // = "org.blueberry.ui.services.result";

  static const QString PROP_NOTIFYING; // = "org.blueberry.ui.services.notifying";

  virtual void AddServiceListener(IPropertyChangeListener* listener) = 0;

  virtual void RemoveServiceListener(IPropertyChangeListener* listener) = 0;

  virtual SmartPointer<IEvaluationReference> AddEvaluationListener(
      const SmartPointer<Expression>& expression,
      IPropertyChangeListener* listener,
      const QString& property) = 0;

  virtual void AddEvaluationReference(const SmartPointer<IEvaluationReference>& ref) = 0;

  virtual void RemoveEvaluationListener(const SmartPointer<IEvaluationReference>& ref) = 0;

  virtual SmartPointer<IEvaluationContext> GetCurrentState() const = 0;

  virtual void RequestEvaluation(const QString& propertyName) = 0;
};

}

Q_DECLARE_INTERFACE(berry::IEvaluationService, "org.blueberry.ui.IEvaluationService")

#endif // BERRYIEVALUATIONSERVICE_H