Add scrobbler with support for Last.fm, Libre.fm and ListenBrainz

src/scrobbler/audioscrobbler.h

@@ -0,0 +1,88 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2018, 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 AUDIOSCROBBLER_H
+#define AUDIOSCROBBLER_H
+
+#include "config.h"
+
+#include <memory>
+
+#include <QtGlobal>
+#include <QObject>
+#include <QString>
+
+#include "scrobblerservices.h"
+
+class Application;
+class Song;
+class NetworkAccessManager;
+class ScrobblerService;
+
+class AudioScrobbler : public QObject {
+  Q_OBJECT
+
+ public:
+  explicit AudioScrobbler(Application *app, QObject *parent = nullptr);
+  ~AudioScrobbler();
+
+  void ReloadSettings();
+
+  bool IsEnabled() const { return enabled_; }
+  bool IsOffline() const { return offline_; }
+  bool ScrobbleButton() const { return scrobble_button_; }
+
+  void UpdateNowPlaying(const Song &song);
+  void Scrobble(const Song &song, const int scrobble_point);
+  void Love(const Song &song);
+  void ShowConfig();
+  void ConnectError();
+
+  ScrobblerService *ServiceByName(const QString &name) const { return scrobbler_services_->ServiceByName(name); }
+
+  template <typename T>
+  T *Service() {
+    return static_cast<T*>(this->ServiceByName(T::kName));
+  }
+
+ public slots:
+  void ToggleScrobbling();
+  void ToggleOffline();
+  void Submit();
+  void WriteCache();
+  void ErrorReceived(QString);
+
+ signals:
+  void ErrorMessage(QString);
+  void ScrobblingEnabledChanged(bool value);
+  void ScrobblingOfflineChanged(bool value);
+  void ScrobbleButtonVisibilityChanged(bool value);
+
+ private:
+
+  Application *app_;
+  ScrobblerServices *scrobbler_services_;
+
+  bool enabled_;
+  bool offline_;
+  bool scrobble_button_;
+
+};
+
+#endif  // AUDIOSCROBBLER_H