connect_polling app config variable

Can be used to disable periodical update of Connect printers.

src/libslic3r/AppConfig.cpp

@@ -215,6 +215,9 @@ void AppConfig::set_defaults()
     if (get("wifi_config_dialog_declined").empty())
         set("wifi_config_dialog_declined", "0");
 
+    if (get("connect_polling").empty())
+        set("connect_polling", "1");
+
 #ifdef _WIN32
     if (get("use_legacy_3DConnexion").empty())
         set("use_legacy_3DConnexion", "0");

src/slic3r/GUI/Auth.cpp

@@ -147,7 +147,7 @@ PrusaAuthCommunication::PrusaAuthCommunication(wxEvtHandler* evt_handler, AppCon
     }
     if (!access_token.empty() || !refresh_token.empty())
         m_remember_session = true;
-    m_session = std::make_unique<AuthSession>(evt_handler, access_token, refresh_token, shared_session_key);
+    m_session = std::make_unique<AuthSession>(evt_handler, access_token, refresh_token, shared_session_key, app_config->get_bool("connect_polling"));
     init_session_thread();
     // perform login at the start
     if (m_remember_session)
@@ -193,6 +193,14 @@ std::string PrusaAuthCommunication::get_access_token()
     }
 }
 
+void PrusaAuthCommunication::set_polling_enabled(bool enabled)
+{
+    {
+        std::lock_guard<std::mutex> lock(m_session_mutex);
+        return m_session->set_polling_enabled(enabled);
+    }
+}
+
 void PrusaAuthCommunication::login_redirect()
 {
     const std::string AUTH_HOST = "https://test-account.prusa3d.com";

src/slic3r/GUI/Auth.hpp

@@ -58,7 +58,7 @@ public:
     std::string get_username() const { return m_username; }
     std::string get_access_token();
 
-    
+    void set_polling_enabled(bool enabled);
 
 private:
     std::unique_ptr<AuthSession>            m_session;

src/slic3r/GUI/AuthSession.cpp

@@ -81,8 +81,10 @@ void AuthSession::process_action_queue()
     if (m_priority_action_queue.empty() && m_action_queue.empty()) {
         //BOOST_LOG_TRIVIAL(debug) << "process_action_queue queues empty";
         // update printers on every periodic wakeup call
+        if (m_polling_enabled)
             enqueue_action(UserActionID::CONNECT_PRINTERS, nullptr, nullptr, {});
-        //return;
+        else 
+            return;
     }
 
     if (this->is_initialized()) {

src/slic3r/GUI/AuthSession.hpp

@@ -93,10 +93,11 @@ struct ActionQueueData
 class AuthSession
 {
 public:
-    AuthSession(wxEvtHandler* evt_handler, const std::string& access_token, const std::string& refresh_token, const std::string& shared_session_key)
+    AuthSession(wxEvtHandler* evt_handler, const std::string& access_token, const std::string& refresh_token, const std::string& shared_session_key, bool polling_enabled)
         : m_access_token(access_token)
         , m_refresh_token(refresh_token)
         , m_shared_session_key(shared_session_key)
+        , m_polling_enabled(polling_enabled)
     {
         // do not forget to add delete to destructor
         m_actions[UserActionID::DUMMY_ACTION] = std::make_unique<DummyUserAction>();
@@ -135,6 +136,7 @@ public:
     std::string get_refresh_token() const { return m_refresh_token; }
     std::string get_shared_session_key() const { return m_shared_session_key; }
     
+    void set_polling_enabled(bool enabled) {m_polling_enabled = enabled; }
 private:
     void enqueue_test_with_refresh();
     void enqueue_refresh(const std::string& body);
@@ -145,6 +147,8 @@ private:
     // false prevents action queu to be processed - no communication is done
     // sets to true by init_with_code or enqueue_action call
     bool        m_proccessing_enabled {false}; 
+    // triggers CONNECT_PRINTERS action when woken up on idle
+    bool        m_polling_enabled;
 
     std::string m_access_token;
     std::string m_refresh_token;