text: //  MIT License
  //
  //  Copyright (c) 2019 Ruhr-University Bochum, Germany, Chair for Embedded Security. All Rights reserved.
  //  Copyright (c) 2019 Marc Fyrbiak, Sebastian Wallat, Max Hoffmann ("ORIGINAL AUTHORS"). All rights reserved.
  //
  //  Permission is hereby granted, free of charge, to any person obtaining a copy
  //  of this software and associated documentation files (the "Software"), to deal
  //  in the Software without restriction, including without limitation the rights
  //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  //  copies of the Software, and to permit persons to whom the Software is
  //  furnished to do so, subject to the following conditions:
  //
  //  The above copyright notice and this permission notice shall be included in all
  //  copies or substantial portions of the Software.
  //
  //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  //  SOFTWARE.
  
  #ifndef NOTIFICATION_H
  #define NOTIFICATION_H
  
  #include <QFrame>
  
  class QPropertyAnimation;
  
  class notification : public QFrame
  {
      Q_OBJECT
      Q_PROPERTY(qreal opacity READ get_opacity WRITE set_opacity)
  
  public:
      notification(QWidget* parent = 0);
  
      qreal get_opacity();
      void set_opacity(qreal opacity);
  
      void mousePressEvent(QMouseEvent* event) Q_DECL_OVERRIDE;
  
      void fade_in();
      void fade_out();
  
  Q_SIGNALS:
      void clicked();
  
  public Q_SLOTS:
  
  private Q_SLOTS:
      void cleanup();
  
  private:
      QPropertyAnimation* m_animation;
  };
  
  #endif    // NOTIFICATION_H
  