Use virtual functions for OSD

src/osd/osdbase.h

@@ -0,0 +1,117 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ * Copyright 2018-2020, 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 OSDBASE_H
+#define OSDBASE_H
+
+#include "config.h"
+
+#include <memory>
+
+#include <QtGlobal>
+#include <QObject>
+#include <QString>
+#include <QUrl>
+#include <QDateTime>
+#include <QImage>
+
+#include "core/song.h"
+#include "playlist/playlistsequence.h"
+
+class Application;
+class OSDPretty;
+class SystemTrayIcon;
+
+class OSDBase : public QObject {
+  Q_OBJECT
+
+ public:
+  explicit OSDBase(SystemTrayIcon *tray_icon, Application *app, QObject *parent = nullptr);
+  ~OSDBase() override;
+
+  static const char *kSettingsGroup;
+
+  enum Behaviour {
+    Disabled = 0,
+    Native,
+    TrayPopup,
+    Pretty,
+  };
+
+  int timeout_msec() const { return timeout_msec_; }
+  void ReloadPrettyOSDSettings();
+  void SetPrettyOSDToggleMode(bool toggle);
+
+  virtual bool SupportsNativeNotifications();
+  virtual bool SupportsTrayPopups();
+
+ public slots:
+  void ReloadSettings();
+
+  void Paused();
+  void Resumed();
+  void Stopped();
+  void StopAfterToggle(bool stop);
+  void PlaylistFinished();
+  void VolumeChanged(int value);
+  void RepeatModeChanged(PlaylistSequence::RepeatMode mode);
+  void ShuffleModeChanged(PlaylistSequence::ShuffleMode mode);
+
+  void ReshowCurrentSong();
+
+  void ShowPreview(const Behaviour type, const QString &line1, const QString &line2, const Song &song);
+
+ private:
+  void ShowMessage(const QString &summary, const QString &message = QString(), const QString icon = QString("strawberry"), const QImage &image = QImage());
+  QString ReplaceMessage(const QString &message, const Song &song);
+  virtual void ShowMessageNative(const QString &summary, const QString &message, const QString &icon = QString(), const QImage &image = QImage());
+
+ private slots:
+  void AlbumCoverLoaded(const Song &song, const QUrl &cover_url, const QImage &image);
+
+ private:
+  Application *app_;
+  SystemTrayIcon *tray_icon_;
+  OSDPretty *pretty_popup_;
+
+  QString app_name_;
+  int timeout_msec_;
+  Behaviour behaviour_;
+  bool show_on_volume_change_;
+  bool show_art_;
+  bool show_on_play_mode_change_;
+  bool show_on_pause_;
+  bool show_on_resume_;
+  bool use_custom_text_;
+  QString custom_text1_;
+  QString custom_text2_;
+  bool preview_mode_;
+
+  bool force_show_next_;
+  bool ignore_next_stopped_;
+
+  Song last_song_;
+  QUrl last_image_uri_;
+  QImage last_image_;
+
+};
+
+#endif  // OSDBASE_H