Add smart playlists, ratings and Qobuz

Fixes #259
Fixes #264

src/smartplaylists/smartplaylistwizard.h

@@ -0,0 +1,68 @@
+/*
+ * 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 SMARTPLAYLISTWIZARD_H
+#define SMARTPLAYLISTWIZARD_H
+
+#include "config.h"
+
+#include <QWizard>
+
+#include "playlistgenerator_fwd.h"
+
+class Application;
+class CollectionBackend;
+class SmartPlaylistWizardPlugin;
+
+class SmartPlaylistWizard : public QWizard {
+  Q_OBJECT
+
+ public:
+  explicit SmartPlaylistWizard(Application *app, CollectionBackend *collection, QWidget *parent);
+  ~SmartPlaylistWizard();
+
+  void SetGenerator(PlaylistGeneratorPtr gen);
+  PlaylistGeneratorPtr CreateGenerator() const;
+
+ protected:
+  void initializePage(const int id);
+
+ private:
+  class TypePage;
+  class FinishPage;
+
+  void AddPlugin(SmartPlaylistWizardPlugin *plugin);
+
+ private slots:
+  void TypeChanged(const int index);
+
+ private:
+  Application *app_;
+  CollectionBackend *collection_;
+  TypePage *type_page_;
+  FinishPage *finish_page_;
+  int finish_id_;
+
+  int type_index_;
+  QList<SmartPlaylistWizardPlugin*> plugins_;
+
+};
+
+#endif  // SMARTPLAYLISTWIZARD_H