use qtwebchannel to communicate with userscript

src/userscript.h

@@ -0,0 +1,69 @@
+#pragma once
+
+#include "streamdialog.h"
+
+#include <QObject>
+#include <QProcess>
+
+#ifdef KXMLGUI
+#include <KAboutData>
+#include <KHelpMenu>
+#include <KShortcutsDialog>
+#include <KXmlGuiWindow>
+#include <QAction>
+
+#ifdef KGLOBALACCEL
+#include <KGlobalAccel>
+#endif
+
+#endif
+
+class UserScript : public QObject {
+  Q_OBJECT
+
+public:
+  UserScript();
+  bool isVirtmicRunning();
+  Q_PROPERTY(QString version READ version);
+  Q_PROPERTY(bool kxmlgui MEMBER m_kxmlgui);
+  Q_PROPERTY(bool kglobalaccel MEMBER m_kglobalaccel);
+
+private:
+  QProcess m_virtmicProcess;
+  StreamDialog m_streamDialog;
+  bool m_kxmlgui = false;
+  bool m_kglobalaccel = false;
+#ifdef KXMLGUI
+  KHelpMenu *m_helpMenu;
+#ifdef KGLOBALACCEL
+  KActionCollection *m_actionCollection;
+  KShortcutsDialog *m_shortcutsDialog;
+#endif
+#endif
+  void setupHelpMenu();
+  void setupShortcutsDialog();
+  void setupStreamDialog();
+  void setupVirtmic();
+
+Q_SIGNALS:
+  void muteToggled();
+  void deafenToggled();
+  void streamStarted(bool video, int width, int height, int frameRate);
+
+public Q_SLOTS:
+  void log(QString message);
+  QString version();
+  QVariant getPref(QString name, QVariant fallback);
+  bool getBoolPref(QString name, bool fallback);
+  void setPref(QString name, QVariant value);
+  void setTrayIcon(bool value);
+  void showShortcutsDialog();
+  void showHelpMenu();
+  void showStreamDialog();
+  void stopVirtmic();
+  void startVirtmic(QString target);
+
+private Q_SLOTS:
+  void startStream(bool video, bool audio, int width, int height, int frameRate,
+                   QString target);
+};