fixed issue with localstorage in ff with cookies disabled

firefox with cookies disabled panics and stops execution of the script
when checking for a localstorage-variable. added safer checking for
localstorage.

js/lan-1.js

@@ -651,15 +651,17 @@ window.l.ar.adminCount				= 'الإداريين';
 
 
 
-// set language, from local storage, else browser language, else english
+// set language, from local storage, else browser language, else english (english also if no localstorage availible)
 var browserLang = navigator.language || navigator.userLanguage; 
 var selectedLanguage = 'en';
-if(typeof localStorage.selectedLanguage != 'undefined') {
+if(localStorageIsEnabled()) {
+	if(typeof localStorage.selectedLanguage != 'undefined') {
 		selectedLanguage = localStorage.selectedLanguage;
 		}
-else if(typeof window.l[browserLang.substring(0,2)] != 'undefined') {
+	else if(typeof window.l[browserLang.substring(0,2)] != 'undefined') {
 		selectedLanguage = 	browserLang.substring(0,2);
 		}
+	}
 window.sL = window.l[selectedLanguage];
 
 // if this is a RTL-language, add rt classes and change some things

js/misc-functions-1.js

@@ -34,6 +34,28 @@
   · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · */
   
 
+/* ·  
+   · 
+   ·   Checks if localstorage is availible
+   ·
+   ·   We can't just do if(typeof localStorage.selectedLanguage != 'undefined')
+   ·   because firefox with cookies disabled then freaks out and stops executing js completely
+   · 
+   · · · · · · · · · */  
+
+function localStorageIsEnabled() {
+	var mod = 'test';
+	try {
+		localStorage.setItem(mod, mod);
+		localStorage.removeItem(mod);
+		return true;
+		}
+	catch(e) {
+		return false;
+		}
+	}
+    
+    
 
 /* ·  
    · 
@@ -233,6 +255,7 @@ function placeCaretAtEnd(el) {
    · · · · · · · · · · · · · */
    
 function updateHistoryLocalStorage() {
+	if(localStorageIsEnabled()) {
 		var i=0;
 		var localStorageName = window.username + '-history-container';
 		var historyContainer = new Object();
@@ -252,6 +275,7 @@ function updateHistoryLocalStorage() {
 		$('#history-container').sortable({delay: 100});
 		$('#history-container').disableSelection();		
 		}
+	}
 
 
 /* · 
@@ -261,6 +285,7 @@ function updateHistoryLocalStorage() {
    · · · · · · · · · · · · · */
    
 function loadHistoryFromLocalStorage() {
+	if(localStorageIsEnabled()) {
 		var localStorageName = window.username + '-history-container';
 		if(typeof localStorage[localStorageName] != "undefined") {
 			$('#history-container').css('display','block');
@@ -272,6 +297,7 @@ function loadHistoryFromLocalStorage() {
 			}
 		updateHistoryLocalStorage();
 		}
+	}	
 
 
 	

js/qvitter-1.js

@@ -63,8 +63,23 @@ $('<img/>').attr('src', window.fullUrlToThisQvitterApp + 'img/ekan4.jpg').load(f
 	$('#user-container').css('display','block');
 	$('#feed').css('display','block');		
 
-	// autologin if saved
+	// check for localstorage, if none, we remove possibility to remember login
+	var userInLocalStorage = false;
+	if(localStorageIsEnabled()) {
 		if(typeof localStorage.autologinUsername != 'undefined') {
+			userInLocalStorage = true;
+			}
+		}
+	else {
+		$('input#rememberme').css('display','none');
+		$('span#rememberme_label').css('display','none');		
+		$('#remember-forgot').css('font-size','0');						
+		$('.language-dropdown').css('display','none');		
+		}	
+
+
+	// autologin if saved
+	if(userInLocalStorage) {
 		$('input#username').val(localStorage.autologinUsername);
 		$('input#password').val(localStorage.autologinPassword);
 		$('#submit-login').trigger('click');		
@@ -116,9 +131,11 @@ $('#submit-login').click(function () {
 
 		// if remeber me is checked, save credentials in local storage
 		if($('#rememberme').is(':checked')) {
+			if(localStorageIsEnabled()) {
 				localStorage.autologinPassword = $('input#password').val();
 				localStorage.autologinUsername = $('input#username').val();					
 				}
+			}
 			
 		// load history
 		loadHistoryFromLocalStorage();			
@@ -186,8 +203,10 @@ $('input#username,input#password,input#rememberme').keyup(function(e){
    · · · · · · · · · · · · · */ 
    
 $('#logout').click(function(){
+	if(localStorageIsEnabled()) {
 		delete localStorage.autologinUsername;
 		delete localStorage.autologinPassword;		
+		}
 	location.reload();		
 	});		
 
@@ -206,7 +225,9 @@ $(document).bind('click', function (e) {
 		}
 	});
 $('.language-link').click(function(){
+	if(localStorageIsEnabled()) {
 		localStorage.selectedLanguage = $(this).attr('data-lang-code'); // save langage selection
+		}
 	location.reload(); // reload	
 	});