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0001 /****************************************************************************************
0002  * Copyright (c) 2007 Maximilian Kossick <maximilian.kossick@googlemail.com>            *
0003  *                                                                                      *
0004  * This program is free software; you can redistribute it and/or modify it under        *
0005  * the terms of the GNU General Public License as published by the Free Software        *
0006  * Foundation; either version 2 of the License, or (at your option) any later           *
0007  * version.                                                                             *
0008  *                                                                                      *
0009  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
0010  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
0011  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
0012  *                                                                                      *
0013  * You should have received a copy of the GNU General Public License along with         *
0014  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
0015  ****************************************************************************************/
0016  
0017 #ifndef COLLECTION_METAQUERYMAKER_H
0018 #define COLLECTION_METAQUERYMAKER_H
0019 
0020 #include "core/collections/QueryMaker.h"
0021 #include "core/collections/Collection.h"
0022 
0023 #include <QList>
0024 #include <QMutex>
0025 
0026 namespace Collections {
0027 
0028 class AMAROKCORE_EXPORT MetaQueryMaker : public QueryMaker
0029 {
0030     Q_OBJECT
0031 
0032     public:
0033         explicit MetaQueryMaker( const QList<Collections::Collection*> &collections );
0034         explicit MetaQueryMaker( const QList<QueryMaker*> &queryMakers );
0035         ~MetaQueryMaker() override;
0036 
0037         void run() override;
0038         void abortQuery() override;
0039 
0040         QueryMaker* setQueryType( QueryType type ) override;
0041 
0042         QueryMaker* addReturnValue( qint64 value) override;
0043         QueryMaker* addReturnFunction( ReturnFunction function, qint64 value ) override;
0044         QueryMaker* orderBy( qint64 value, bool descending = false ) override;
0045 
0046         QueryMaker* addMatch( const Meta::TrackPtr &track ) override;
0047         QueryMaker* addMatch( const Meta::ArtistPtr &artist, ArtistMatchBehaviour behaviour = TrackArtists ) override;
0048         QueryMaker* addMatch( const Meta::AlbumPtr &album ) override;
0049         QueryMaker* addMatch( const Meta::ComposerPtr &composer ) override;
0050         QueryMaker* addMatch( const Meta::GenrePtr &genre ) override;
0051         QueryMaker* addMatch( const Meta::YearPtr &year ) override;
0052         QueryMaker* addMatch( const Meta::LabelPtr &label ) override;
0053 
0054         QueryMaker* addFilter( qint64 value, const QString &filter, bool matchBegin, bool matchEnd ) override;
0055         QueryMaker* excludeFilter( qint64 value, const QString &filter, bool matchBegin, bool matchEnd ) override;
0056 
0057         QueryMaker* addNumberFilter( qint64 value, qint64 filter, QueryMaker::NumberComparison compare ) override;
0058         QueryMaker* excludeNumberFilter( qint64 value, qint64 filter, QueryMaker::NumberComparison compare ) override;
0059 
0060         QueryMaker* limitMaxResultSize( int size ) override;
0061 
0062         QueryMaker* beginAnd() override;
0063         QueryMaker* beginOr() override;
0064         QueryMaker* endAndOr() override;
0065 
0066         QueryMaker* setAlbumQueryMode( AlbumQueryMode mode ) override;
0067         QueryMaker* setLabelQueryMode( LabelQueryMode mode ) override;
0068 
0069     private Q_SLOTS:
0070         void slotQueryDone();
0071 
0072     private:
0073         QList<QueryMaker*> builders;
0074         int m_queryDoneCount;
0075         QMutex m_queryDoneCountMutex;
0076 
0077 };
0078 
0079 } //namespace Collections
0080 
0081 #endif /* COLLECTION_METAQUERYMAKER_H */