Add smart playlists, ratings and Qobuz

Fixes #259
Fixes #264

src/smartplaylists/smartplaylistquerywizardplugin.h

@@ -0,0 +1,80 @@
+/*
+ * 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 SMARTPLAYLISTQUERYWIZARDPLUGIN_H
+#define SMARTPLAYLISTQUERYWIZARDPLUGIN_H
+
+#include "config.h"
+
+#include <memory>
+
+#include <QObject>
+#include <QString>
+
+#include "smartplaylistwizardplugin.h"
+#include "smartplaylistsearch.h"
+
+class QWizard;
+
+class CollectionBackend;
+class SmartPlaylistSearch;
+class Ui_SmartPlaylistQuerySortPage;
+
+class SmartPlaylistQueryWizardPlugin : public SmartPlaylistWizardPlugin {
+  Q_OBJECT
+
+ public:
+  explicit SmartPlaylistQueryWizardPlugin(Application *app, CollectionBackend *collection, QObject *parent);
+  ~SmartPlaylistQueryWizardPlugin();
+
+  QString type() const { return "Query"; }
+  QString name() const;
+  QString description() const;
+  bool is_dynamic() const { return true; }
+
+  int CreatePages(QWizard *wizard, const int finish_page_id);
+  void SetGenerator(PlaylistGeneratorPtr);
+  PlaylistGeneratorPtr CreateGenerator() const;
+
+ private slots:
+  void AddSearchTerm();
+  void RemoveSearchTerm();
+
+  void SearchTypeChanged();
+
+  void UpdateTermPreview();
+  void UpdateSortPreview();
+  void UpdateSortOrder();
+
+  void MoveTermListToBottom(const int min, const int max);
+
+ private:
+  class SearchPage;
+  class SortPage;
+
+  SmartPlaylistSearch MakeSearch() const;
+
+  SearchPage *search_page_;
+  std::unique_ptr<Ui_SmartPlaylistQuerySortPage> sort_ui_;
+
+  int previous_scrollarea_max_;
+};
+
+#endif  // SMARTPLAYLISTQUERYWIZARDPLUGIN_H