Initial commit.

src/core/systemtrayicon.h

@@ -0,0 +1,85 @@
+/*
+ * 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 SYSTEMTRAYICON_H
+#define SYSTEMTRAYICON_H
+
+#include "config.h"
+
+#include <QObject>
+#include <QPixmap>
+
+class QAction;
+class Song;
+
+class SystemTrayIcon : public QObject {
+  Q_OBJECT
+
+ public:
+  SystemTrayIcon(QObject *parent = nullptr);
+
+  // Called once to create the icon's context menu
+  virtual void SetupMenu(QAction *previous, QAction *play, QAction *stop, QAction *stop_after, QAction *next, QAction *mute, QAction *quit) = 0;
+
+  virtual bool IsVisible() const { return true; }
+  virtual void SetVisible(bool visible) {}
+
+  // Called by the OSD
+  virtual void ShowPopup(const QString &summary, const QString &message, int timeout) {}
+  /**
+   * If this get's invoked with image_path equal to nullptr, the tooltip should
+   * still be shown - just without the cover art.
+   */
+  virtual void SetNowPlaying(const Song &song, const QString &image_path) {}
+  virtual void ClearNowPlaying() {}
+
+  static SystemTrayIcon *CreateSystemTrayIcon(QObject *parent = nullptr);
+
+ public slots:
+  void SetProgress(int percentage);
+  virtual void SetPaused();
+  virtual void SetPlaying(bool enable_play_pause = false);
+  virtual void SetStopped();
+  virtual void MuteButtonStateChanged(bool value) {}
+
+ signals:
+  void ChangeVolume(int delta);
+  void SeekForward();
+  void SeekBackward();
+  void NextTrack();
+  void PreviousTrack();
+  void ShowHide();
+  void PlayPause();
+
+ protected:
+  virtual void UpdateIcon() = 0;
+  QPixmap CreateIcon(const QPixmap &icon, const QPixmap &grey_icon);
+
+  int song_progress() const { return percentage_; }
+  QPixmap current_state_icon() const { return current_state_icon_; }
+
+ private:
+  int percentage_;
+  QPixmap playing_icon_;
+  QPixmap paused_icon_;
+  QPixmap current_state_icon_;
+};
+
+#endif  // SYSTEMTRAYICON_H