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

src/scrobbler/scrobblerservices.h

@@ -0,0 +1,70 @@
+/*
+ * 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 SCROBBLERSERVICES_H
+#define SCROBBLERSERVICES_H
+
+#include "config.h"
+
+#include <stdbool.h>
+
+#include <QtGlobal>
+#include <QObject>
+#include <QMutex>
+#include <QList>
+#include <QMap>
+#include <QString>
+#include <QAtomicInt>
+
+class Application;
+class ScrobblerService;
+
+class ScrobblerServices : public QObject {
+  Q_OBJECT
+
+ public:
+  explicit ScrobblerServices(QObject *parent = nullptr);
+  ~ScrobblerServices();
+
+  void AddService(ScrobblerService *service);
+  void RemoveService(ScrobblerService *service);
+  QList<ScrobblerService*> List() const { return scrobbler_services_.values(); }
+  bool HasAnyServices() const { return !scrobbler_services_.isEmpty(); }
+  int NextId();
+
+  ScrobblerService *ServiceByName(const QString &name);
+  template <typename T>
+  T *Service() {
+    return static_cast<T*>(this->ServiceByName(T::kName));
+  }
+
+ private slots:
+  void ServiceDestroyed();
+
+ private:
+  Q_DISABLE_COPY(ScrobblerServices);
+
+  QMap<QString, ScrobblerService *> scrobbler_services_;
+  QMutex mutex_;
+
+  QAtomicInt next_id_;
+
+};
+
+#endif  // SCROBBLERSERVICES_H