Upstream merge from viewer-neko

1 files changed, 350 insertions, 89 deletions

diff --git a/indra/newview/llpanellogin.cpp b/indra/newview/llpanellogin.cpp
index e253557797..fd76a36044 100644
--- a/indra/newview/llpanellogin.cpp
+++ b/indra/newview/llpanellogin.cpp
@@ -41,7 +41,6 @@
 #include "llcommandhandler.h"		// for secondlife:///app/login/
 #include "llcombobox.h"
 #include "llviewercontrol.h"
-#include "llfloaterpreference.h"
 #include "llfocusmgr.h"
 #include "lllineeditor.h"
 #include "llnotificationsutil.h"
@@ -77,6 +76,60 @@ LLPanelLogin *LLPanelLogin::sInstance = NULL;
 BOOL LLPanelLogin::sCapslockDidNotification = FALSE;
 BOOL LLPanelLogin::sCredentialSet = FALSE;
 
+// Helper functions
+
+LLPointer<LLCredential> load_user_credentials(std::string &user_key)
+{
+    if (gSecAPIHandler->hasCredentialMap("login_list", LLGridManager::getInstance()->getGrid()))
+    {
+        // user_key should be of "name Resident" format
+        return gSecAPIHandler->loadFromCredentialMap("login_list", LLGridManager::getInstance()->getGrid(), user_key);
+    }
+    else
+    {
+        // legacy (or legacy^2, since it also tries to load from settings)
+        return gSecAPIHandler->loadCredential(LLGridManager::getInstance()->getGrid());
+    }
+}
+
+// keys are lower case to be case insensitive so they are not always
+// identical to names which retain user input, like:
+// "AwEsOmE Resident" -> "awesome_resident"
+std::string get_user_key_from_name(const std::string &username)
+{
+    std::string key = username;
+    LLStringUtil::trim(key);
+    LLStringUtil::toLower(key);
+    if (!LLGridManager::getInstance()->isSystemGrid())
+    {
+        size_t separator_index = username.find_first_of(" ");
+        if (separator_index == username.npos)
+        {
+            // CRED_IDENTIFIER_TYPE_ACCOUNT
+            return key;
+        }
+    }
+    // CRED_IDENTIFIER_TYPE_AGENT
+    size_t separator_index = username.find_first_of(" ._");
+    std::string first = username.substr(0, separator_index);
+    std::string last;
+    if (separator_index != username.npos)
+    {
+        last = username.substr(separator_index + 1, username.npos);
+        LLStringUtil::trim(last);
+    }
+    else
+    {
+        // ...on Linden grids, single username users as considered to have
+        // last name "Resident"
+        // *TODO: Make login.cgi support "account_name" like above
+        last = "resident";
+    }
+
+    key = first + "_" + last;
+    return key;
+}
+
 class LLLoginLocationAutoHandler : public LLCommandHandler
 {
 public:
@@ -168,6 +221,7 @@ LLPanelLogin::LLPanelLogin(const LLRect &rect,
 	mCallback(callback),
 	mCallbackData(cb_data),
 	mListener(new LLPanelLoginListener(this)),
+	mFirstLoginThisInstall(gSavedSettings.getBOOL("FirstLoginThisInstall")),
 	mUsernameLength(0),
 	mPasswordLength(0),
 	mLocationLength(0),
@@ -186,7 +240,7 @@ LLPanelLogin::LLPanelLogin(const LLRect &rect,
 		login_holder->addChild(this);
 	}
 
-	if (gSavedSettings.getBOOL("FirstLoginThisInstall"))
+	if (mFirstLoginThisInstall)
 	{
 		buildFromFile( "panel_login_first.xml");
 	}
@@ -206,35 +260,39 @@ LLPanelLogin::LLPanelLogin(const LLRect &rect,
 	sendChildToBack(getChildView("forgot_password_text"));
 	sendChildToBack(getChildView("sign_up_text"));
 
-	LLComboBox* favorites_combo = getChild<LLComboBox>("start_location_combo");
-	updateLocationSelectorsVisibility(); // separate so that it can be called from preferences
-	favorites_combo->setReturnCallback(boost::bind(&LLPanelLogin::onClickConnect, this));
-	favorites_combo->setFocusLostCallback(boost::bind(&LLPanelLogin::onLocationSLURL, this));
-	
-	LLComboBox* server_choice_combo = getChild<LLComboBox>("server_combo");
-	server_choice_combo->setCommitCallback(boost::bind(&LLPanelLogin::onSelectServer, this));
-	
-	// Load all of the grids, sorted, and then add a bar and the current grid at the top
-	server_choice_combo->removeall();
-
-	std::string current_grid = LLGridManager::getInstance()->getGrid();
-	std::map<std::string, std::string> known_grids = LLGridManager::getInstance()->getKnownGrids();
-	for (std::map<std::string, std::string>::iterator grid_choice = known_grids.begin();
-		 grid_choice != known_grids.end();
-		 grid_choice++)
-	{
-		if (!grid_choice->first.empty() && current_grid != grid_choice->first)
-		{
-			LL_DEBUGS("AppInit")<<"adding "<<grid_choice->first<<LL_ENDL;
-			server_choice_combo->add(grid_choice->second, grid_choice->first);
-		}
-	}
-	server_choice_combo->sortByName();
-	LL_DEBUGS("AppInit")<<"adding current "<<current_grid<<LL_ENDL;
-	server_choice_combo->add(LLGridManager::getInstance()->getGridLabel(), 
-							 current_grid,
-							 ADD_TOP);	
-	server_choice_combo->selectFirstItem();
+    std::string current_grid = LLGridManager::getInstance()->getGrid();
+    if (!mFirstLoginThisInstall)
+    {
+        LLComboBox* favorites_combo = getChild<LLComboBox>("start_location_combo");
+        updateLocationSelectorsVisibility(); // separate so that it can be called from preferences
+        favorites_combo->setReturnCallback(boost::bind(&LLPanelLogin::onClickConnect, this));
+        favorites_combo->setFocusLostCallback(boost::bind(&LLPanelLogin::onLocationSLURL, this));
+
+        LLComboBox* server_choice_combo = getChild<LLComboBox>("server_combo");
+        server_choice_combo->setCommitCallback(boost::bind(&LLPanelLogin::onSelectServer, this));
+
+        // Load all of the grids, sorted, and then add a bar and the current grid at the top
+        server_choice_combo->removeall();
+
+        std::map<std::string, std::string> known_grids = LLGridManager::getInstance()->getKnownGrids();
+        for (std::map<std::string, std::string>::iterator grid_choice = known_grids.begin();
+            grid_choice != known_grids.end();
+            grid_choice++)
+        {
+            if (!grid_choice->first.empty() && current_grid != grid_choice->first)
+            {
+                LL_DEBUGS("AppInit") << "adding " << grid_choice->first << LL_ENDL;
+                server_choice_combo->add(grid_choice->second, grid_choice->first);
+            }
+        }
+        server_choice_combo->sortByName();
+
+        LL_DEBUGS("AppInit") << "adding current " << current_grid << LL_ENDL;
+        server_choice_combo->add(LLGridManager::getInstance()->getGridLabel(),
+            current_grid,
+            ADD_TOP);
+        server_choice_combo->selectFirstItem();
+    }
 
 	LLSLURL start_slurl(LLStartUp::getStartSLURL());
 	// The StartSLURL might have been set either by an explicit command-line
@@ -297,14 +355,30 @@ LLPanelLogin::LLPanelLogin(const LLRect &rect,
 	loadLoginPage();
 
 	LLComboBox* username_combo(getChild<LLComboBox>("username_combo"));
-	username_combo->setTextChangedCallback(boost::bind(&LLPanelLogin::addFavoritesToStartLocation, this));
+	username_combo->setTextChangedCallback(boost::bind(&LLPanelLogin::onUserNameTextEnty, this));
 	// STEAM-14: When user presses Enter with this field in focus, initiate login
-	username_combo->setCommitCallback(boost::bind(&LLPanelLogin::onClickConnect, this));
+	username_combo->setCommitCallback(boost::bind(&LLPanelLogin::onUserListCommit, this));
+	username_combo->setReturnCallback(boost::bind(&LLPanelLogin::onClickConnect, this));
 	username_combo->setKeystrokeOnEsc(TRUE);
+
+    if (!mFirstLoginThisInstall)
+    {
+        LLCheckBoxCtrl* remember_name = getChild<LLCheckBoxCtrl>("remember_name");
+        remember_name->setCommitCallback(boost::bind(&LLPanelLogin::onRememberUserCheck, this));
+    }
 }
 
 void LLPanelLogin::addFavoritesToStartLocation()
 {
+    if (mFirstLoginThisInstall)
+    {
+        // first login panel has no favorites, just update name length and buttons
+        std::string user_defined_name = getChild<LLComboBox>("username_combo")->getSimple();
+        mUsernameLength = user_defined_name.length();
+        updateLoginButtons();
+        return;
+    }
+
 	// Clear the combo.
 	LLComboBox* combo = getChild<LLComboBox>("start_location_combo");
 	if (!combo) return;
@@ -316,14 +390,14 @@ void LLPanelLogin::addFavoritesToStartLocation()
 
 	// Load favorites into the combo.
 	std::string user_defined_name = getChild<LLComboBox>("username_combo")->getSimple();
+	LLStringUtil::trim(user_defined_name);
 	LLStringUtil::toLower(user_defined_name);
-	std::replace(user_defined_name.begin(), user_defined_name.end(), '.', ' ');
 	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "stored_favorites_" + LLGridManager::getInstance()->getGrid() + ".xml");
 	std::string old_filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "stored_favorites.xml");
 	mUsernameLength = user_defined_name.length();
 	updateLoginButtons();
 
-	std::string::size_type index = user_defined_name.find(' ');
+	std::string::size_type index = user_defined_name.find_first_of(" ._");
 	if (index != std::string::npos)
 	{
 		std::string username = user_defined_name.substr(0, index);
@@ -332,6 +406,10 @@ void LLPanelLogin::addFavoritesToStartLocation()
 		{
 			user_defined_name = username;
 		}
+		else
+		{
+			user_defined_name = username + " " + lastname;
+		}
 	}
 
 	LLSD fav_llsd;
@@ -377,6 +455,10 @@ void LLPanelLogin::addFavoritesToStartLocation()
 		}
 		break;
 	}
+	if (combo->getValue().asString().empty())
+	{
+		combo->selectFirstItem();
+	}
 }
 
 LLPanelLogin::~LLPanelLogin()
@@ -443,24 +525,6 @@ void LLPanelLogin::giveFocus()
 }
 
 // static
-void LLPanelLogin::showLoginWidgets()
-{
-	if (sInstance)
-	{
-		// *NOTE: Mani - This may or may not be obselete code.
-		// It seems to be part of the defunct? reg-in-client project.
-		sInstance->getChildView("login_widgets")->setVisible( true);
-		LLMediaCtrl* web_browser = sInstance->getChild<LLMediaCtrl>("login_html");
-
-		// *TODO: Append all the usual login parameters, like first_login=Y etc.
-		std::string splash_screen_url = LLGridManager::getInstance()->getLoginPage();
-		web_browser->navigateTo( splash_screen_url, "text/html" );
-		LLUICtrl* username_combo = sInstance->getChild<LLUICtrl>("username_combo");
-		username_combo->setFocus(TRUE);
-	}
-}
-
-// static
 void LLPanelLogin::show(const LLRect &rect,
 						void (*callback)(S32 option, void* user_data),
 						void* callback_data)
@@ -480,9 +544,55 @@ void LLPanelLogin::show(const LLRect &rect,
 	gFocusMgr.setDefaultKeyboardFocus(sInstance);
 }
 
+//static
+void LLPanelLogin::populateFields(LLPointer<LLCredential> credential, bool remember_user, bool remember_psswrd)
+{
+    if (!sInstance)
+    {
+        LL_WARNS() << "Attempted fillFields with no login view shown" << LL_ENDL;
+        return;
+    }
+    LLUICtrl* remember_check = sInstance->getChild<LLUICtrl>("remember_check");
+    remember_check->setValue(remember_psswrd);
+    if (sInstance->mFirstLoginThisInstall)
+    {
+        // no list to populate
+        setFields(credential, remember_psswrd);
+    }
+    else
+    {
+        sInstance->getChild<LLUICtrl>("remember_name")->setValue(remember_user);
+        sInstance->populateUserList(credential, remember_psswrd);
+        remember_check->setEnabled(remember_user);
+    }
+}
+
+//static
+void LLPanelLogin::resetFields()
+{
+    if (!sInstance)
+    {
+        // class not existing at this point might happen since this
+        // function is used to reset list in case of changes by external sources
+        return;
+    }
+    if (sInstance->mFirstLoginThisInstall)
+    {
+        // no list to populate
+        LL_WARNS() << "Shouldn't happen, user should have no ability to modify list on first install" << LL_ENDL;
+    }
+    else
+    {
+        LLUICtrl* remember_check = sInstance->getChild<LLUICtrl>("remember_check");
+        bool remember_psswrd = remember_check->getValue();
+        LLPointer<LLCredential> cred = gSecAPIHandler->loadCredential(LLGridManager::getInstance()->getGrid());
+        sInstance->populateUserList(cred, remember_psswrd);
+    }
+}
+
 // static
 void LLPanelLogin::setFields(LLPointer<LLCredential> credential,
-							 BOOL remember)
+							 bool remember_psswrd)
 {
 	if (!sInstance)
 	{
@@ -492,13 +602,15 @@ void LLPanelLogin::setFields(LLPointer<LLCredential> credential,
 	sCredentialSet = TRUE;
 	LL_INFOS("Credentials") << "Setting login fields to " << *credential << LL_ENDL;
 
-	LLSD identifier = credential->getIdentifier();
-	if((std::string)identifier["type"] == "agent") 
+	LLSD identifier = credential.notNull() ? credential->getIdentifier() : LLSD();
+
+	if(identifier.has("type") && (std::string)identifier["type"] == "agent") 
 	{
+		// not nessesary for panel_login.xml, needed for panel_login_first.xml
 		std::string firstname = identifier["first_name"].asString();
 		std::string lastname = identifier["last_name"].asString();
 	    std::string login_id = firstname;
-	    if (!lastname.empty() && lastname != "Resident")
+	    if (!lastname.empty() && lastname != "Resident" && lastname != "resident")
 	    {
 		    // support traditional First Last name SLURLs
 		    login_id += " ";
@@ -506,22 +618,23 @@ void LLPanelLogin::setFields(LLPointer<LLCredential> credential,
 	    }
 		sInstance->getChild<LLComboBox>("username_combo")->setLabel(login_id);	
 	}
-	else if((std::string)identifier["type"] == "account")
+	else if(identifier.has("type") && (std::string)identifier["type"] == "account")
 	{
 		sInstance->getChild<LLComboBox>("username_combo")->setLabel((std::string)identifier["account_name"]);		
 	}
 	else
 	{
-	  sInstance->getChild<LLComboBox>("username_combo")->setLabel(std::string());	
+		sInstance->getChild<LLComboBox>("username_combo")->setLabel(std::string());	
 	}
+
 	sInstance->addFavoritesToStartLocation();
 	// if the password exists in the credential, set the password field with
 	// a filler to get some stars
-	LLSD authenticator = credential->getAuthenticator();
+	LLSD authenticator = credential.notNull() ? credential->getAuthenticator() : LLSD();
 	LL_INFOS("Credentials") << "Setting authenticator field " << authenticator["type"].asString() << LL_ENDL;
 	if(authenticator.isMap() && 
 	   authenticator.has("secret") && 
-	   (authenticator["secret"].asString().size() > 0) && remember)
+	   (authenticator["secret"].asString().size() > 0) && remember_psswrd)
 	{
 		
 		// This is a MD5 hex digest of a password.
@@ -537,36 +650,25 @@ void LLPanelLogin::setFields(LLPointer<LLCredential> credential,
 	{
 		sInstance->getChild<LLUICtrl>("password_edit")->setValue(std::string());		
 	}
-	sInstance->getChild<LLUICtrl>("remember_check")->setValue(remember);
 }
 
-
 // static
 void LLPanelLogin::getFields(LLPointer<LLCredential>& credential,
-							 BOOL& remember)
+							 bool& remember_user,
+							 bool& remember_psswrd)
 {
 	if (!sInstance)
 	{
 		LL_WARNS() << "Attempted getFields with no login view shown" << LL_ENDL;
 		return;
 	}
-	
-	// load the credential so we can pass back the stored password or hash if the user did
-	// not modify the password field.
-	
-	credential = gSecAPIHandler->loadCredential(LLGridManager::getInstance()->getGrid());
 
 	LLSD identifier = LLSD::emptyMap();
 	LLSD authenticator = LLSD::emptyMap();
-	
-	if(credential.notNull())
-	{
-		authenticator = credential->getAuthenticator();
-	}
 
-	std::string username = sInstance->getChild<LLUICtrl>("username_combo")->getValue().asString();
-	LLStringUtil::trim(username);
+	std::string username = sInstance->getChild<LLComboBox>("username_combo")->getValue().asString();
 	std::string password = sInstance->getChild<LLUICtrl>("password_edit")->getValue().asString();
+	LLStringUtil::trim(username);
 
 	LL_INFOS("Credentials", "Authentication") << "retrieving username:" << username << LL_ENDL;
 	// determine if the username is a first/last form or not.
@@ -586,6 +688,14 @@ void LLPanelLogin::getFields(LLPointer<LLCredential>& credential,
 			authenticator["type"] = CRED_AUTHENTICATOR_TYPE_CLEAR;
 			authenticator["secret"] = password;
 		}
+        else
+        {
+            credential = load_user_credentials(username);
+            if (credential.notNull())
+            {
+                authenticator = credential->getAuthenticator();
+            }
+        }
 	}
 	else
 	{
@@ -597,7 +707,7 @@ void LLPanelLogin::getFields(LLPointer<LLCredential>& credential,
 		if (separator_index != username.npos)
 		{
 			last = username.substr(separator_index+1, username.npos);
-		LLStringUtil::trim(last);
+			LLStringUtil::trim(last);
 		}
 		else
 		{
@@ -625,10 +735,28 @@ void LLPanelLogin::getFields(LLPointer<LLCredential>& credential,
 				pass.hex_digest(md5pass);
 				authenticator["secret"] = md5pass;
 			}
+            else
+            {
+                std::string key = first + "_" + last;
+                LLStringUtil::toLower(key);
+                credential = load_user_credentials(key);
+                if (credential.notNull())
+                {
+                    authenticator = credential->getAuthenticator();
+                }
+            }
 		}
 	}
 	credential = gSecAPIHandler->createCredential(LLGridManager::getInstance()->getGrid(), identifier, authenticator);
-	remember = sInstance->getChild<LLUICtrl>("remember_check")->getValue();
+	remember_psswrd = sInstance->getChild<LLUICtrl>("remember_check")->getValue();
+    if (!sInstance->mFirstLoginThisInstall)
+    {
+        remember_user = sInstance->getChild<LLUICtrl>("remember_name")->getValue();
+    }
+    else
+    {
+        remember_user = true;
+    }
 }
 
 
@@ -898,8 +1026,8 @@ void LLPanelLogin::onClickConnect(void *)
 		{
 			sCredentialSet = FALSE;
 			LLPointer<LLCredential> cred;
-			BOOL remember;
-			getFields(cred, remember);
+			bool remember_1, remember_2;
+			getFields(cred, remember_1, remember_2);
 			std::string identifier_type;
 			cred->identifierType(identifier_type);
 			LLSD allowed_credential_types;
@@ -953,6 +1081,57 @@ void LLPanelLogin::onClickSignUp(void*)
 }
 
 // static
+void LLPanelLogin::onUserNameTextEnty(void*)
+{
+    sInstance->mPasswordModified = true;
+    sInstance->getChild<LLUICtrl>("password_edit")->setValue(std::string());
+    sInstance->addFavoritesToStartLocation(); //will call updateLoginButtons()
+}
+
+// static
+void LLPanelLogin::onUserListCommit(void*)
+{
+    if (sInstance)
+    {
+        LLComboBox* username_combo(sInstance->getChild<LLComboBox>("username_combo"));
+        static S32 ind = -1;
+        if (ind != username_combo->getCurrentIndex())
+        {
+            std::string user_key = username_combo->getSelectedValue();
+            LLPointer<LLCredential> cred = gSecAPIHandler->loadFromCredentialMap("login_list", LLGridManager::getInstance()->getGrid(), user_key);
+            bool remember_psswrd = sInstance->getChild<LLUICtrl>("remember_check")->getValue();
+            setFields(cred, remember_psswrd);
+            sInstance->mPasswordModified = false;
+        }
+        else
+        {
+           std::string pass = sInstance->getChild<LLUICtrl>("password_edit")->getValue().asString();
+           if (pass.empty())
+           {
+               sInstance->giveFocus();
+           }
+           else
+           {
+               onClickConnect(NULL);
+           }
+        }
+    }
+}
+
+// static
+void LLPanelLogin::onRememberUserCheck(void*)
+{
+    if (sInstance)
+    {
+        LLCheckBoxCtrl* remember_name(sInstance->getChild<LLCheckBoxCtrl>("remember_name"));
+        LLCheckBoxCtrl* remember_psswrd(sInstance->getChild<LLCheckBoxCtrl>("remember_check"));
+
+        bool remember = remember_name->getValue().asBoolean();
+        remember_psswrd->setEnabled(remember);
+    }
+}
+
+// static
 void LLPanelLogin::onPassKey(LLLineEditor* caller, void* user_data)
 {
 	LLPanelLogin *self = (LLPanelLogin *)user_data;
@@ -979,9 +1158,11 @@ void LLPanelLogin::updateServer()
 			// for that grid and set them to the UI.
 			if(!sInstance->areCredentialFieldsDirty())
 			{
-				LLPointer<LLCredential> credential = gSecAPIHandler->loadCredential(LLGridManager::getInstance()->getGrid());	
-				bool remember = sInstance->getChild<LLUICtrl>("remember_check")->getValue();
-				sInstance->setFields(credential, remember);
+				// populate dropbox and setFields
+				bool remember_psswrd = sInstance->getChild<LLUICtrl>("remember_check")->getValue();
+				// Note: following call is related to initializeLoginInfo()
+				LLPointer<LLCredential> credential = gSecAPIHandler->loadCredential(LLGridManager::getInstance()->getGrid());
+				sInstance->populateUserList(credential, remember_psswrd);
 			}
 
 			// update the login panel links 
@@ -1011,14 +1192,63 @@ void LLPanelLogin::updateLoginButtons()
 	LLButton* login_btn = getChild<LLButton>("connect_btn");
 
 	login_btn->setEnabled(mUsernameLength != 0 && mPasswordLength != 0);
+
+    if (!mFirstLoginThisInstall)
+    {
+        LLComboBox* user_combo = getChild<LLComboBox>("username_combo");
+        LLCheckBoxCtrl* remember_name = getChild<LLCheckBoxCtrl>("remember_name");
+        remember_name->setEnabled(user_combo->getCurrentIndex() == -1);
+    }
+}
+
+void LLPanelLogin::populateUserList(LLPointer<LLCredential> credential, bool remember_psswrd)
+{
+    LLComboBox* user_combo = getChild<LLComboBox>("username_combo");
+    user_combo->removeall();
+    user_combo->clear();
+
+    if (gSecAPIHandler->hasCredentialMap("login_list", LLGridManager::getInstance()->getGrid()))
+    {
+        LLSecAPIHandler::credential_map_t credencials;
+        gSecAPIHandler->loadCredentialMap("login_list", LLGridManager::getInstance()->getGrid(), credencials);
+
+        LLSecAPIHandler::credential_map_t::iterator cr_iter = credencials.begin();
+        LLSecAPIHandler::credential_map_t::iterator cr_end = credencials.end();
+        while (cr_iter != cr_end)
+        {
+            if (cr_iter->second.notNull()) // basic safety in case of future changes
+            {
+                // cr_iter->first == user_id , to be able to be find it in case we select it
+                user_combo->add(LLPanelLogin::getUserName(cr_iter->second), cr_iter->first, ADD_BOTTOM, TRUE);
+            }
+            cr_iter++;
+        }
+
+        if (credential.isNull() || !user_combo->setSelectedByValue(LLSD(credential->userID()), true))
+        {
+            // selection failed, just deselect whatever might be selected
+            user_combo->setValue(std::string());
+        }
+        else
+        {
+            setFields(credential, remember_psswrd);
+        }
+    }
+    else
+    {
+        if (credential.notNull())
+        {
+            user_combo->add(LLPanelLogin::getUserName(credential), credential->userID(), ADD_BOTTOM, TRUE);
+            setFields(credential, remember_psswrd);
+        }
+    }
 }
 
+
 void LLPanelLogin::onSelectServer()
 {
 	// The user twiddled with the grid choice ui.
 	// apply the selection to the grid setting.
-	LLPointer<LLCredential> credential;
-
 	LLComboBox* server_combo = getChild<LLComboBox>("server_combo");
 	LLSD server_combo_val = server_combo->getSelectedValue();
 	LL_INFOS("AppInit") << "grid "<<server_combo_val.asString()<< LL_ENDL;
@@ -1048,13 +1278,13 @@ void LLPanelLogin::onSelectServer()
 		{
 			std::string location = location_combo->getValue().asString();
 			LLSLURL slurl(location); // generata a slurl from the location combo contents
-			if (   slurl.getType() == LLSLURL::LOCATION
-				&& slurl.getGrid() != LLGridManager::getInstance()->getGrid()
-				)
+			if (location.empty()
+				|| (slurl.getType() == LLSLURL::LOCATION
+				    && slurl.getGrid() != LLGridManager::getInstance()->getGrid())
+				   )
 			{
 				// the grid specified by the location is not this one, so clear the combo
 				location_combo->setCurrentByIndex(0); // last location on the new grid
-				location_combo->setTextEntry(LLStringUtil::null);
 			}
 		}			
 		break;
@@ -1077,3 +1307,34 @@ bool LLPanelLogin::getShowFavorites()
 {
 	return gSavedPerAccountSettings.getBOOL("ShowFavoritesOnLogin");
 }
+
+// static
+std::string LLPanelLogin::getUserName(LLPointer<LLCredential> &cred)
+{
+    if (cred.isNull())
+    {
+        return "unknown";
+    }
+    const LLSD &ident = cred->getIdentifier();
+
+    if (!ident.isMap())
+    {
+        return "unknown";
+    }
+    else if ((std::string)ident["type"] == "agent")
+    {
+        std::string second_name = ident["last_name"];
+        if (second_name == "resident" || second_name == "Resident")
+        {
+            return (std::string)ident["first_name"];
+        }
+        return (std::string)ident["first_name"] + " " + (std::string)ident["last_name"];
+    }
+    else if ((std::string)ident["type"] == "account")
+    {
+        return LLCacheName::cleanFullName((std::string)ident["account_name"]);
+    }
+
+    return "unknown";
+}
+