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

src/scrobbler/scrobblerservice.h

@@ -0,0 +1,76 @@
+/*
+ * 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 SCROBBLERSERVICE_H
+#define SCROBBLERSERVICE_H
+
+#include "config.h"
+
+#include <stdbool.h>
+
+#include <QObject>
+#include <QString>
+#include <QVariant>
+#include <QByteArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+
+class Application;
+class Song;
+
+class ScrobblerService : public QObject {
+  Q_OBJECT
+
+ public:
+  explicit ScrobblerService(const QString &name, Application *app, QObject *parent);
+
+  QString name() const { return name_; }
+
+  virtual void ReloadSettings() = 0;
+
+  virtual bool IsEnabled() const { return false; }
+  virtual bool IsAuthenticated() const { return false; }
+
+  virtual void UpdateNowPlaying(const Song &song) = 0;
+  virtual void Scrobble(const Song &song) = 0;
+  virtual void Love(const Song &song) = 0;
+  virtual void Error(QString error, QVariant debug = QVariant()) = 0;
+
+  virtual void Submitted() = 0;
+  virtual bool IsSubmitted() const { return false; }
+
+  typedef QPair<QString, QString> Param;
+  typedef QPair<QByteArray, QByteArray> EncodedParam;
+  typedef QList<Param> ParamList;
+
+  QJsonObject ExtractJsonObj(const QByteArray &data);
+
+ public slots:
+  virtual void Submit() = 0;
+  virtual void WriteCache() = 0;
+
+ signals:
+  void ErrorMessage(QString);
+
+ private:
+  QString name_;
+
+};
+
+#endif  // SCROBBLERSERVICE_H