Refactoring

src/collection/collectionlibrary.h

@@ -0,0 +1,116 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ * Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * 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 COLLECTION_H
+#define COLLECTION_H
+
+#include "config.h"
+
+#include <QObject>
+#include <QList>
+#include <QHash>
+#include <QString>
+
+#include "includes/shared_ptr.h"
+#include "core/song.h"
+
+class QThread;
+class Thread;
+class Database;
+class TaskManager;
+class TagReaderClient;
+class CollectionBackend;
+class CollectionModel;
+class CollectionWatcher;
+class AlbumCoverLoader;
+
+class CollectionLibrary : public QObject {
+  Q_OBJECT
+
+ public:
+  explicit CollectionLibrary(const SharedPtr<Database> database,
+                             const SharedPtr<TaskManager> task_manager,
+                             const SharedPtr<TagReaderClient> tagreader_client,
+                             const SharedPtr<AlbumCoverLoader> albumcover_loader,
+                             QObject *parent = nullptr);
+
+  ~CollectionLibrary() override;
+
+  static const char *kSongsTable;
+  static const char *kFtsTable;
+  static const char *kDirsTable;
+  static const char *kSubdirsTable;
+
+  void Init();
+  void Exit();
+
+  SharedPtr<CollectionBackend> backend() const { return backend_; }
+  CollectionModel *model() const { return model_; }
+
+  QString full_rescan_reason(int schema_version) const { return full_rescan_revisions_.value(schema_version, QString()); }
+
+  void SyncPlaycountAndRatingToFilesAsync();
+
+ private:
+  void SyncPlaycountAndRatingToFiles();
+
+ public Q_SLOTS:
+  void ReloadSettings();
+
+  void PauseWatcher();
+  void ResumeWatcher();
+
+  void FullScan();
+  void StopScan();
+  void Rescan(const SongList &songs);
+
+  void IncrementalScan();
+
+ private Q_SLOTS:
+  void ExitReceived();
+  void SongsPlaycountChanged(const SongList &songs, const bool save_tags = false) const;
+  void SongsRatingChanged(const SongList &songs, const bool save_tags = false) const;
+
+ Q_SIGNALS:
+  void Error(const QString &error);
+  void ExitFinished();
+
+ private:
+  const SharedPtr<TaskManager> task_manager_;
+  const SharedPtr<TagReaderClient> tagreader_client_;
+
+  SharedPtr<CollectionBackend> backend_;
+  CollectionModel *model_;
+
+  CollectionWatcher *watcher_;
+  Thread *watcher_thread_;
+  QThread *original_thread_;
+
+  // DB schema versions which should trigger a full collection rescan (each of those with a short reason why).
+  QHash<int, QString> full_rescan_revisions_;
+
+  QList<QObject*> wait_for_exit_;
+
+  bool save_playcounts_to_files_;
+  bool save_ratings_to_files_;
+};
+
+#endif