src/collection/MetaQueryBuilder.h

   1 /*
   2  *  Copyright (c) 2007 Maximilian Kossick <maximilian.kossick@googlemail.com>
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  */
  18 #ifndef AMAROK_COLLECTION_METAQUERYBUILDER_H
  19 #define AMAROK_COLLECTION_METAQUERYBUILDER_H
  20
  21 #include "QueryMaker.h"
  22 #include "Collection.h"
  23
  24 #include <QList>
  25 #include <QMutex>
  26
  27 class MetaQueryBuilder : public QueryMaker
  28 {
  29     Q_OBJECT
  30
  31     public:
  32         MetaQueryBuilder( const QList<Collection*> &collections);
  33         ~MetaQueryBuilder();
  34
  35         virtual QueryMaker* reset();
  36         virtual void run();
  37         virtual void abortQuery();
  38         virtual int resultCount() const;
  39
  40         virtual QueryMaker* startTrackQuery();
  41         virtual QueryMaker* startArtistQuery();
  42         virtual QueryMaker* startAlbumQuery();
  43         virtual QueryMaker* startGenreQuery();
  44         virtual QueryMaker* startComposerQuery();
  45         virtual QueryMaker* startYearQuery();
  46         virtual QueryMaker* startCustomQuery();
  47
  48         virtual QueryMaker* returnResultAsDataPtrs( bool resultAsDataPtrs );
  49
  50         virtual QueryMaker* addReturnValue( qint64 value);
  51         virtual QueryMaker* orderBy( qint64 value, bool descending = false );
  52
  53         virtual QueryMaker* addMatch( const Meta::TrackPtr &track );
  54         virtual QueryMaker* addMatch( const Meta::ArtistPtr &artist );
  55         virtual QueryMaker* addMatch( const Meta::AlbumPtr &album );
  56         virtual QueryMaker* addMatch( const Meta::ComposerPtr &composer );
  57         virtual QueryMaker* addMatch( const Meta::GenrePtr &genre );
  58         virtual QueryMaker* addMatch( const Meta::YearPtr &year );
  59         virtual QueryMaker* addMatch( const Meta::DataPtr &data );
  60
  61         virtual QueryMaker* addFilter( qint64 value, const QString &filter, bool matchBegin, bool matchEnd );
  62         virtual QueryMaker* excludeFilter( qint64 value, const QString &filter, bool matchBegin, bool matchEnd );
  63
  64         virtual QueryMaker* includeCollection( const QString &collectionId );
  65         virtual QueryMaker* excludeCollection( const QString &collectionId );
  66
  67         virtual QueryMaker* limitMaxResultSize( int size );
  68
  69         virtual QueryMaker* beginAnd();
  70         virtual QueryMaker* beginOr();
  71         virtual QueryMaker* endAndOr();
  72
  73     private slots:
  74         void slotQueryDone();
  75
  76     private:
  77         QList<QueryMaker*> builders;
  78         int m_queryDoneCount;
  79         QMutex m_queryDoneCountMutex;
  80
  81 };
  82
  83 #endif /* AMAROK_COLLECTION_METAQUERYBUILDER_H */