Initial commit.

2018-02-27 18:06:05 +01:00
parent 85d9664df7
commit b2b1ba7abe
1393 changed files with 177311 additions and 1 deletions
--- a/src/playlist/playlistbackend.h
+++ b/src/playlist/playlistbackend.h
@@ -0,0 +1,104 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ *
+ * Strawberry 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#ifndef PLAYLISTBACKEND_H
+#define PLAYLISTBACKEND_H
+
+#include "config.h"
+
+#include <QHash>
+#include <QList>
+#include <QMutex>
+#include <QObject>
+
+#include "playlistitem.h"
+
+class Application;
+class Database;
+
+class PlaylistBackend : public QObject {
+  Q_OBJECT
+
+ public:
+  Q_INVOKABLE PlaylistBackend(Application *app, QObject *parent = nullptr);
+
+  struct Playlist {
+    Playlist() : id(-1), favorite(false), last_played(0) {}
+
+    int id;
+    QString name;
+    QString ui_path;
+    bool favorite;
+    int last_played;
+
+    // Special playlists have different behaviour, eg. the "spotify-search"
+    // type has a spotify search box at the top, replacing the ordinary filter.
+    QString special_type;
+  };
+  typedef QList<Playlist> PlaylistList;
+
+  static const int kSongTableJoins;
+
+  PlaylistList GetAllPlaylists();
+  PlaylistList GetAllOpenPlaylists();
+  PlaylistList GetAllFavoritePlaylists();
+  PlaylistBackend::Playlist GetPlaylist(int id);
+
+  QList<PlaylistItemPtr> GetPlaylistItems(int playlist);
+  QList<Song> GetPlaylistSongs(int playlist);
+
+  void SetPlaylistOrder(const QList<int> &ids);
+  void SetPlaylistUiPath(int id, const QString &path);
+
+  int CreatePlaylist(const QString &name, const QString &special_type);
+  void SavePlaylistAsync(int playlist, const PlaylistItemList &items, int last_played);
+  void RenamePlaylist(int id, const QString &new_name);
+  void FavoritePlaylist(int id, bool is_favorite);
+  void RemovePlaylist(int id);
+
+  Application *app() const { return app_; }
+
+ public slots:
+  void SavePlaylist(int playlist, const PlaylistItemList &items, int last_played);
+
+ private:
+  struct NewSongFromQueryState {
+    QHash<QString, SongList> cached_cues_;
+    QMutex mutex_;
+  };
+
+  QSqlQuery GetPlaylistRows(int playlist);
+
+  Song NewSongFromQuery(const SqlRow &row, std::shared_ptr<NewSongFromQueryState> state);
+  PlaylistItemPtr NewPlaylistItemFromQuery(const SqlRow &row, std::shared_ptr<NewSongFromQueryState> state);
+  PlaylistItemPtr RestoreCueData(PlaylistItemPtr item, std::shared_ptr<NewSongFromQueryState> state);
+
+  enum GetPlaylistsFlags {
+    GetPlaylists_OpenInUi = 1,
+    GetPlaylists_Favorite = 2,
+    GetPlaylists_All = GetPlaylists_OpenInUi | GetPlaylists_Favorite
+  };
+  PlaylistList GetPlaylists(GetPlaylistsFlags flags);
+
+  Application *app_;
+  Database *db_;
+};
+
+#endif  // PLAYLISTBACKEND_H