File indexing completed on 2024-05-19 04:49:58

 /****************************************************************************************
  * 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_TRACKSPREADER_CONSTRAINT
 #define APG_TRACKSPREADER_CONSTRAINT
 
 #include "playlistgenerator/Constraint.h"
 
 #include "core/meta/forward_declarations.h"
 
 class Constraint;
 class ConstraintFactoryEntry;
 
 namespace ConstraintTypes {
 
     /* This constraint tries to prevent duplicate tracks from ending up too
      * close to each other in the playlist.  It is a stripped-down constraint
      * that is never registered with the ConstraintFactory, has no
      * user-configurable options, and cannot be exported to an XML file.  It is
      * added to a constraint tree at the root when the Constraint Solver
      * starts, and it is then removed from the tree as soon as the Solver
      * finishes. -- sth */
 
     class TrackSpreader : public Constraint {
         Q_OBJECT
 
         public:
             static Constraint* createNew( ConstraintNode* );
             static ConstraintFactoryEntry* registerMe();
 
             QWidget* editWidget() const override;
             void toXml( QDomDocument&, QDomElement& ) const override;
 
             QString getName() const override { return QString(); }
             
             double satisfaction( const Meta::TrackList& ) const override;
 
         private:
             explicit TrackSpreader(ConstraintNode*);
 
             double distance( const int, const int ) const;
     };
 } // namespace ConstraintTypes
 
 #endif // PLAYLIST_GENERATOR_CHECKPOINT