Add radios

src/radios/radioservice.h

@@ -0,0 +1,118 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2021, 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 RADIOSERVICE_H
+#define RADIOSERVICE_H
+
+#include <QObject>
+#include <QList>
+#include <QByteArray>
+#include <QString>
+#include <QUrl>
+#include <QIcon>
+#include <QJsonObject>
+
+#include "core/song.h"
+#include "playlist/playlistitem.h"
+#include "settings/settingsdialog.h"
+#include "widgets/multiloadingindicator.h"
+#include "radiochannel.h"
+
+class QNetworkReply;
+class QStandardItem;
+
+class Application;
+class NetworkAccessManager;
+class RadioModel;
+
+class RadioService : public QObject {
+  Q_OBJECT
+
+ public:
+  explicit RadioService(const Song::Source source, const QString &name, const QIcon &icon, Application *app, NetworkAccessManager *network, QObject *parent = nullptr);
+
+  Song::Source source() const { return source_; }
+  QString name() const { return name_; }
+
+  virtual void ReloadSettings() {}
+
+  virtual QUrl Homepage() = 0;
+  virtual QUrl Donate() = 0;
+
+ signals:
+  void StreamError(const QString& message);
+  void StreamMetadataFound(const QUrl& original_url, const Song& song);
+
+  void NewChannels(RadioChannelList channels = RadioChannelList());
+
+ public slots:
+  virtual void ShowConfig() {}
+  virtual void GetChannels() = 0;
+
+ private slots:
+
+ protected:
+  // Called once when context menu is created
+  virtual void PopulateContextMenu(){};
+  // Called every time context menu is shown
+  virtual void UpdateContextMenu(){};
+
+  // Returns all the playlist insertion related QActions (see below).
+  QList<QAction*> GetPlaylistActions();
+
+  // Returns the 'append to playlist' QAction.
+  QAction *GetAppendToPlaylistAction();
+  // Returns the 'replace playlist' QAction.
+  QAction *GetReplacePlaylistAction();
+  // Returns the 'open in new playlist' QAction.
+  QAction *GetOpenInNewPlaylistAction();
+
+  QByteArray ExtractData(QNetworkReply *reply);
+  QJsonObject ExtractJsonObj(const QByteArray &data);
+  QJsonObject ExtractJsonObj(QNetworkReply *reply);
+  void Error(const QString &error, const QVariant &debug = QVariant());
+
+  // Describes how songs should be added to playlist.
+  enum AddMode {
+    // appends songs to the current playlist
+    AddMode_Append,
+    // clears the current playlist and then appends all songs to it
+    AddMode_Replace,
+    // creates a new, empty playlist and then adds all songs to it
+    AddMode_OpenInNew
+  };
+
+  // Adds the 'index' element to playlist using the 'add_mode' mode.
+  void AddItemToPlaylist(const QModelIndex& index, AddMode add_mode);
+  // Adds the 'indexes' elements to playlist using the 'add_mode' mode.
+  void AddItemsToPlaylist(const QModelIndexList& indexes, AddMode add_mode);
+
+ protected:
+  Application *app_;
+  NetworkAccessManager *network_;
+  RadioModel *model_;
+  Song::Source source_;
+  QString name_;
+  QIcon icon_;
+
+};
+
+Q_DECLARE_METATYPE(RadioService*)
+
+#endif  // RADIOSERVICE_H