File indexing completed on 2024-05-19 04:49:16

 /****************************************************************************************
  * Copyright (c) 2009 Maximilian Kossick <maximilian.kossick@googlemail.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 MEMORYCUSTOMVALUE_H
 #define MEMORYCUSTOMVALUE_H
 
 #include "amarok_export.h"
 #include "core/meta/forward_declarations.h"
 #include "core/collections/QueryMaker.h"
 
 #include <QList>
 #include <QString>
 
 class CustomReturnFunction;
 class CustomReturnValue;
 
 namespace CustomValueFactory
 {
     CustomReturnFunction* returnFunction( Collections::QueryMaker::ReturnFunction function, qint64 value );
     CustomReturnValue* returnValue( qint64 value );
 }
 
 class AMAROK_EXPORT CustomReturnFunction
 {
     public:
         CustomReturnFunction();
         virtual ~CustomReturnFunction();
 
         virtual QString value( const Meta::TrackList &tracks ) const = 0;
 };
 
 class AMAROK_EXPORT TrackCounter : public CustomReturnFunction
 {
     public:
         TrackCounter();
         ~TrackCounter() override;
 
         QString value( const Meta::TrackList &tracks ) const override;
 };
 
 class AMAROK_EXPORT ArtistCounter : public CustomReturnFunction
 {
     public:
         ArtistCounter();
         ~ArtistCounter() override;
 
         QString value( const Meta::TrackList &tracks ) const override;
 };
 
 class AMAROK_EXPORT GenreCounter : public CustomReturnFunction
 {
     public:
         GenreCounter();
         ~GenreCounter() override;
 
         QString value( const Meta::TrackList &tracks ) const override;
 };
 
 class AMAROK_EXPORT ComposerCounter : public CustomReturnFunction
 {
     public:
         ComposerCounter();
         ~ComposerCounter() override;
 
         QString value( const Meta::TrackList &tracks ) const override;
 };
 
 class AMAROK_EXPORT AlbumCounter : public CustomReturnFunction
 {
     public:
         AlbumCounter();
         ~AlbumCounter() override;
 
         QString value( const Meta::TrackList &tracks ) const override;
 };
 
 class AMAROK_EXPORT YearCounter : public CustomReturnFunction
 {
     public:
         YearCounter();
         ~YearCounter() override;
 
         QString value( const Meta::TrackList &tracks ) const override;
 };
 
 class AMAROK_EXPORT CustomReturnValue
 {
     public:
         CustomReturnValue();
         virtual ~CustomReturnValue();
 
         virtual QString value( const Meta::TrackPtr &track ) const = 0;
 };
 
 class AMAROK_EXPORT TitleReturnValue : public CustomReturnValue
 {
     public:
         TitleReturnValue();
         ~TitleReturnValue() override;
         QString value( const Meta::TrackPtr &track ) const override;
 };
 
 class AMAROK_EXPORT UrlReturnValue : public CustomReturnValue
 {
     public:
         UrlReturnValue();
         ~UrlReturnValue() override;
         QString value( const Meta::TrackPtr &track ) const override;
 };
 
 
 #endif