download kind works

app/tray.go

@@ -18,3 +18,41 @@ func (app *Application) initTray() {
 
 	systray.Run(trayOnReady, nil)
 }
+
+func (app *Application) setTrayState(txt string, icon []byte) func() {
+	if !app.trayReady {
+		return func() {}
+	}
+
+	app.masterLock.Lock()
+	defer app.masterLock.Unlock()
+
+	systray.SetIcon(icon)
+	systray.SetTooltip(txt)
+
+	fin := func() {
+		app.masterLock.Lock()
+		defer app.masterLock.Unlock()
+
+		if !app.trayReady {
+			return
+		}
+
+		systray.SetIcon(assets.IconDefault)
+		systray.SetTooltip("Sleeping...")
+	}
+
+	return fin
+}
+
+func (app *Application) setTrayStateDirect(txt string, icon []byte) {
+	if !app.trayReady {
+		return
+	}
+
+	app.masterLock.Lock()
+	defer app.masterLock.Unlock()
+
+	systray.SetIcon(icon)
+	systray.SetTooltip(txt)
+}