Signin in now fully uses asynchronous http requesting. Implemented a nice "loading dots" gimmick for loading.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/uni@13276 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/states_screens/dialogs/login_dialog.cpp

@@ -39,6 +39,7 @@ LoginDialog::LoginDialog(const Message message_type) :
 {
     m_self_destroy = false;
     m_open_registration_dialog = false;
+    m_load_timer = 0.0f;
     m_signin_request = NULL;
     loadFromFile("online/login_dialog.stkgui");
 
@@ -94,6 +95,7 @@ LoginDialog::LoginDialog(const Message message_type) :
 
 LoginDialog::~LoginDialog()
 {
+    delete m_signin_request;
 }
 
 
@@ -115,6 +117,8 @@ GUIEngine::EventPropagation LoginDialog::processEvent(const std::string& eventSo
         const std::string& selection = m_options_widget->getSelectionIDString(PLAYER_ID_GAME_MASTER);
         if (selection == m_cancel_widget->m_properties[PROP_ID])
         {
+            if(m_signin_request != NULL)
+                m_signin_request->cancel();
             m_self_destroy = true;
             return GUIEngine::EVENT_BLOCK;
         }
@@ -150,13 +154,12 @@ void LoginDialog::onUpdate(float dt)
 {
     if(m_signin_request != NULL)
     {
-        // load screen
         if(m_signin_request->isDone())
         {
             stringw info = "";
             if(online::CurrentUser::get()->signIn(m_signin_request->getResult(), info))
             {
-                    m_self_destroy = true;
+                m_self_destroy = true;
             }
             else
             {
@@ -165,6 +168,13 @@ void LoginDialog::onUpdate(float dt)
                 m_message_widget->setColor(irr::video::SColor(255, 255, 0, 0));
                 m_message_widget->setText(info, false);
             }
+            delete m_signin_request;
+            m_signin_request = NULL;
+        }
+        else
+        {
+            m_load_timer += dt;
+            m_message_widget->setText(irr::core::stringw(_("Signing in")) + StringUtils::loadingDots(m_load_timer), false);
         }
     }
 

src/states_screens/dialogs/login_dialog.hpp

@@ -24,11 +24,7 @@
 #include "online/current_user.hpp"
 
 #include "guiengine/modaldialog.hpp"
-#include "guiengine/widgets/text_box_widget.hpp"
+#include "guiengine/widgets.hpp"
-#include "guiengine/widgets/check_box_widget.hpp"
-#include "guiengine/widgets/icon_button_widget.hpp"
-#include "guiengine/widgets/ribbon_widget.hpp"
-#include "guiengine/widgets/label_widget.hpp"
 
 /**
  * \brief Dialog that allows a user to sign in
@@ -58,6 +54,8 @@ private:
     
     void login();
 
+    float m_load_timer;
+
 public:
     
     enum Message

src/utils/string_utils.cpp

@@ -709,6 +709,14 @@ namespace StringUtils
 		    printf("Invalid version string '%s'.\n", s.c_str());
 	    return version;
     }   // versionToInt
+
+    // ------------------------------------------------------------------------
+
+    irr::core::stringw loadingDots(float time, bool spaces, float interval, int max_dots)
+    {
+        int nr_dots = int(floor(time * (1 / interval))) % (max_dots+1);
+        return irr::core::stringw((std::string(nr_dots,'.') + std::string(max_dots-nr_dots,' ')).c_str());
+    }
 } // namespace StringUtils
 
 

src/utils/string_utils.hpp

@@ -413,6 +413,9 @@ namespace StringUtils
 
     /** Compute a simple hash of a string */
     unsigned int simpleHash(const char* input);
+
+
+    irr::core::stringw loadingDots(float time, bool spaces = true, float interval = 0.5f, int max_dots = 3);
 } // namespace StringUtils
 
 #endif