110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PLAYLISTBACKEND_H
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#define PLAYLISTBACKEND_H
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#include <QHash>
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#include <QList>
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#include <QMutex>
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#include <QObject>
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#include "playlistitem.h"
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#include "smartplaylists/generator_fwd.h"
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class Application;
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class Database;
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class PlaylistBackend : public QObject {
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Q_OBJECT
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public:
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Q_INVOKABLE PlaylistBackend(Application* app, QObject* parent = nullptr);
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struct Playlist {
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Playlist() : id(-1), favorite(false), last_played(0) {}
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int id;
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QString name;
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QString ui_path;
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bool favorite;
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int last_played;
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QString dynamic_type;
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QString dynamic_backend;
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QByteArray dynamic_data;
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// Special playlists have different behaviour, eg. the "spotify-search"
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// type has a spotify search box at the top, replacing the ordinary filter.
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QString special_type;
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};
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typedef QList<Playlist> PlaylistList;
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static const int kSongTableJoins;
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PlaylistList GetAllPlaylists();
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PlaylistList GetAllOpenPlaylists();
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PlaylistList GetAllFavoritePlaylists();
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PlaylistBackend::Playlist GetPlaylist(int id);
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QList<PlaylistItemPtr> GetPlaylistItems(int playlist);
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QList<Song> GetPlaylistSongs(int playlist);
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void SetPlaylistOrder(const QList<int>& ids);
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void SetPlaylistUiPath(int id, const QString& path);
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int CreatePlaylist(const QString& name, const QString& special_type);
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void SavePlaylistAsync(int playlist, const PlaylistItemList& items,
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int last_played,
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smart_playlists::GeneratorPtr dynamic);
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void RenamePlaylist(int id, const QString& new_name);
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void FavoritePlaylist(int id, bool is_favorite);
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void RemovePlaylist(int id);
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Application* app() const { return app_; }
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public slots:
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void SavePlaylist(int playlist, const PlaylistItemList& items,
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int last_played, smart_playlists::GeneratorPtr dynamic);
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private:
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struct NewSongFromQueryState {
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QHash<QString, SongList> cached_cues_;
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QMutex mutex_;
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};
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QSqlQuery GetPlaylistRows(int playlist);
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Song NewSongFromQuery(const SqlRow& row,
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std::shared_ptr<NewSongFromQueryState> state);
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PlaylistItemPtr NewPlaylistItemFromQuery(
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const SqlRow& row, std::shared_ptr<NewSongFromQueryState> state);
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PlaylistItemPtr RestoreCueData(PlaylistItemPtr item,
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std::shared_ptr<NewSongFromQueryState> state);
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enum GetPlaylistsFlags {
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GetPlaylists_OpenInUi = 1,
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GetPlaylists_Favorite = 2,
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GetPlaylists_All = GetPlaylists_OpenInUi | GetPlaylists_Favorite
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};
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PlaylistList GetPlaylists(GetPlaylistsFlags flags);
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Application* app_;
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Database* db_;
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};
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#endif // PLAYLISTBACKEND_H
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