111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
#ifndef LIBRARY_H
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#define LIBRARY_H
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#include <QAbstractItemModel>
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#include <QIcon>
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#include "backgroundthread.h"
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#include "librarybackend.h"
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#include "librarywatcher.h"
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#include "libraryquery.h"
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#include "engine_fwd.h"
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#include "song.h"
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class LibraryItem;
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class LibraryConfig;
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class Library : public QAbstractItemModel {
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Q_OBJECT
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public:
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Library(EngineBase* engine, QObject* parent = 0);
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~Library();
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enum {
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Role_Type = Qt::UserRole + 1,
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Role_SortText,
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Role_Key,
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};
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void StartThreads();
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void GetChildSongs(LibraryItem* item, QList<QUrl>* urls, SongList* songs) const;
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SongList GetChildSongs(const QModelIndex& index) const;
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bool IsEmpty() const;
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// QAbstractItemModel
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int columnCount(const QModelIndex & parent = QModelIndex()) const;
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QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const;
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QModelIndex index(int row, int column, const QModelIndex & parent = QModelIndex()) const;
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QModelIndex parent(const QModelIndex & index) const;
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int rowCount(const QModelIndex & parent = QModelIndex()) const;
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bool hasChildren(const QModelIndex &parent) const;
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Qt::ItemFlags flags(const QModelIndex& index) const;
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QStringList mimeTypes() const;
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QMimeData* mimeData(const QModelIndexList& indexes) const;
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signals:
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void Error(const QString& message);
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void TotalSongCountUpdated(int count);
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public slots:
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void ShowConfig();
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void SetFilterAge(int age);
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void SetFilterText(const QString& text);
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private slots:
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// From LibraryBackend
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void BackendInitialised();
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void SongsDiscovered(const SongList& songs);
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void SongsDeleted(const SongList& songs);
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void Reset();
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// From LibraryWatcher
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void WatcherInitialised();
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private:
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void Initialise();
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void LazyPopulate(LibraryItem* item);
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LibraryItem* CreateCompilationArtistNode(bool signal);
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LibraryItem* CreateArtistNode(bool signal, const QString& name);
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LibraryItem* CreateAlbumNode(bool signal, const QString& name, LibraryItem* parent, bool compilation);
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LibraryItem* CreateSongNode(bool signal, const Song& song, LibraryItem* parent);
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QString PrettyArtist(QString artist) const;
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QString PrettyAlbum(QString album) const;
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QString SortTextForArtist(QString artist) const;
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QString SortTextForAlbum(QString album) const;
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LibraryItem* IndexToItem(const QModelIndex& index) const;
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QModelIndex ItemToIndex(LibraryItem* item) const;
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QVariant data(const LibraryItem* item, int role) const;
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bool CompareItems(const LibraryItem* a, const LibraryItem* b) const;
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private:
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EngineBase* engine_;
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BackgroundThread<LibraryBackend>* backend_;
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BackgroundThread<LibraryWatcher>* watcher_;
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int waiting_for_threads_;
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QueryOptions query_options_;
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LibraryItem* root_;
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QMap<int, LibraryItem*> song_nodes_;
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QMap<QString, LibraryItem*> artist_nodes_;
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QMap<QChar, LibraryItem*> divider_nodes_;
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LibraryItem* compilation_artist_node_;
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QIcon artist_icon_;
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QIcon album_icon_;
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LibraryConfig* config_;
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};
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#endif // LIBRARY_H
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