Mockup of UI notification when http communication performs retry.

src/slic3r/GUI/NotificationManager.hpp

@@ -144,6 +144,8 @@ enum class NotificationType
     WipeTowerNozzleDiameterDiffer,
     // Notification about using supports with different nozzle diameters.
     SupportNozzleDiameterDiffer,
+    // Transient error on Prusa Account communication - user is informed and has option to cancel (logout)
+    AccountTransientRetry,
 };
 
 class NotificationManager

src/slic3r/GUI/Plater.cpp

@@ -1078,6 +1078,22 @@ void Plater::priv::init()
             }
             this->q->printables_to_connect_gcode(into_u8(evt.GetString()));
         });
+
+        this->q->Bind(EVT_UA_RETRY_NOTIFY, [this](UserAccountFailEvent& evt) {
+            this->notification_manager->close_notification_of_type(NotificationType::AccountTransientRetry);
+            this->notification_manager->push_notification(NotificationType::AccountTransientRetry
+                , NotificationManager::NotificationLevel::RegularNotificationLevel
+                , evt.data
+                , _u8L("Stop now.")
+                , [this](wxEvtHandler* ) {
+                    this->user_account->do_logout();
+			        return true; 
+		        });
+  
+        });
+        this->q->Bind(EVT_UA_CLOSE_RETRY_NOTIFICATION, [this](SimpleEvent& evt) {
+            this->notification_manager->close_notification_of_type(NotificationType::AccountTransientRetry);
+        });
     }
 
 	wxGetApp().other_instance_message_handler()->init(this->q);

src/slic3r/GUI/UserAccountCommunication.cpp

@@ -315,7 +315,7 @@ void UserAccountCommunication::set_username(const std::string& username)
                 BOOST_LOG_TRIVIAL(error) << "Failed to write tokens to the secret store.";
             }
         } else {
-//#ifdef __linux__
+#ifdef __linux__
             // If we can't store the tokens in secret store, store them in file with chmod 600
             boost::filesystem::path target(boost::filesystem::path(Slic3r::data_dir()) / "UserAccount.dat") ;
             std::string data = "||||";

src/slic3r/GUI/UserAccountSession.cpp

@@ -32,6 +32,8 @@ wxDEFINE_EVENT(EVT_UA_RACE_LOST, UserAccountFailEvent);
 wxDEFINE_EVENT(EVT_UA_PRUSACONNECT_PRINTER_DATA_FAIL, UserAccountFailEvent);
 wxDEFINE_EVENT(EVT_UA_REFRESH_TIME, UserAccountTimeEvent);
 wxDEFINE_EVENT(EVT_UA_ENQUEUED_REFRESH, SimpleEvent);
+wxDEFINE_EVENT(EVT_UA_RETRY_NOTIFY, UserAccountFailEvent);
+wxDEFINE_EVENT(EVT_UA_CLOSE_RETRY_NOTIFICATION, SimpleEvent);
 
 void UserActionPost::perform(/*UNUSED*/ wxEvtHandler* evt_handler, /*UNUSED*/ const std::string& access_token, UserActionSuccessFn success_callback, UserActionFailFn fail_callback, const std::string& input) const
 {

src/slic3r/GUI/UserAccountSession.hpp

@@ -32,6 +32,9 @@ wxDECLARE_EVENT(EVT_UA_RACE_LOST, UserAccountFailEvent); // Hard fail - clears a
 wxDECLARE_EVENT(EVT_UA_PRUSACONNECT_PRINTER_DATA_FAIL, UserAccountFailEvent); // Failed to get data for printer to select, soft fail, action does not repeat
 wxDECLARE_EVENT(EVT_UA_REFRESH_TIME, UserAccountTimeEvent);
 wxDECLARE_EVENT(EVT_UA_ENQUEUED_REFRESH, SimpleEvent);
+wxDECLARE_EVENT(EVT_UA_RETRY_NOTIFY, UserAccountFailEvent); // Not fail yet, just retry attempt. string is message to ui.
+wxDECLARE_EVENT(EVT_UA_CLOSE_RETRY_NOTIFICATION, SimpleEvent);
+
 
 typedef std::function<void(const std::string& body)> UserActionSuccessFn;
 typedef std::function<void(const std::string& body)> UserActionFailFn;