feat(networkmanager): report the result of enabling Wi-Fi

clients/networkmanager/handler.cpp

@@ -544,9 +544,10 @@ void Handler::requestScan(const std::string& interface)
     }
 }
 
-void Handler::enableWireless(bool enable)
+void Handler::enableWireless(bool enable, std::function<void(const base::dbus::Reply&)> completion)
 {
-    m_client->setProperty(managerPath, managerInterface, "WirelessEnabled", Variant(enable), &m_context);
+    m_client->setProperty(managerPath, managerInterface, "WirelessEnabled", Variant(enable), &m_context,
+                          std::move(completion));
 }
 
 void Handler::enableWired(bool enable)

clients/networkmanager/handler.h

@@ -120,7 +120,7 @@ public:
     void removeConnection(const std::string& connection);
     void requestScan(const std::string& interface = {});
 
-    void enableWireless(bool enable);
+    void enableWireless(bool enable, std::function<void(const base::dbus::Reply&)> completion = {});
     // Connects or disconnects every managed Ethernet device and keeps it that
     // way, as NetworkManager has no global switch for wired networking.
     void enableWired(bool enable);