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 /****************************************************************************************
  * Copyright (c) 2008-2012 Soren Harward <stharward@gmail.com>                          *
  *                                                                                      *
  * This program is free software; you can redistribute it and/or modify it under        *
  * the terms of the GNU General Public License as published by the Free Software        *
  * Foundation; either version 2 of the License, or (at your option) any later           *
  * version.                                                                             *
  *                                                                                      *
  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
  *                                                                                      *
  * You should have received a copy of the GNU General Public License along with         *
  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
  ****************************************************************************************/
 
 #ifndef APG_PLAYLISTDURATION_CONSTRAINT
 #define APG_PLAYLISTDURATION_CONSTRAINT
 
 #include "ui_PlaylistDurationEditWidget.h"
 
 #include "playlistgenerator/Constraint.h"
 
 #include <QString>
 
 class ConstraintFactoryEntry;
 class QWidget;
 
 namespace ConstraintTypes {
 
     /* This constraint derives its name from the fact that it specifies the
      * duration (ie, total running time) of the Playlist. */
 
     class PlaylistDuration : public Constraint {
         Q_OBJECT
 
         enum NumComparison { CompareNumLessThan, CompareNumEquals, CompareNumGreaterThan };
 
         public:
             static Constraint* createFromXml(QDomElement&, ConstraintNode*);
             static Constraint* createNew(ConstraintNode*);
             static ConstraintFactoryEntry* registerMe();
 
             QWidget* editWidget() const override;
             void toXml(QDomDocument&, QDomElement&) const override;
 
             QString getName() const override;
 
             double satisfaction(const Meta::TrackList&) const override;
             quint32 suggestPlaylistSize() const override;
 
         private Q_SLOTS:
             void setComparison( const int );
             void setDuration( const int );
             void setStrictness( const int );
 
         private:
             PlaylistDuration(QDomElement&, ConstraintNode*);
             explicit PlaylistDuration(ConstraintNode*);
 
             // constraint parameters
             qint64 m_duration; // time in msec
             int m_comparison;
             double m_strictness;
     };
 
     class PlaylistDurationEditWidget : public QWidget {
         Q_OBJECT
 
         public:
             PlaylistDurationEditWidget( const int, const int, const int );
 
         Q_SIGNALS:
             void updated();
             void durationChanged( const int );
             void comparisonChanged( const int );
             void strictnessChanged( const int );
 
         private Q_SLOTS:
             void on_timeEdit_Duration_timeChanged( const QTime& );
             void on_comboBox_Comparison_currentIndexChanged( const int );
             void on_slider_Strictness_valueChanged( const int );
 
         private:
             Ui::PlaylistDurationEditWidget ui;
     };
 } // namespace ConstraintTypes
 
 #endif