+ Fixed: Quit Firefox with TabCandy open then open Firefox again. Your tabs and and navbar get hidden.

+ Fixed: If you quit tab candy (but not the browser), all of the tabs need to be reshown.
+ Starting firefox with tab candy selected now hides the tab bar
+ Utils.activeTab now returns a Tabs tab, rather than a raw tab

browser/base/content/tabcandy/app/ui.js

@@ -60,8 +60,14 @@ var Tabbar = {
   // so we still have access to that information during the window's unload event,
   // when window.Tabs no longer exists.
   _hidden: false, 
+  
+  // ----------
   get el(){ return window.Tabs[0].raw.parentNode; },
+
+  // ----------
   height: window.Tabs[0].raw.parentNode.getBoundingClientRect().height,
+
+  // ----------
   hide: function(animate) {
     var self = this;
     this._hidden = true;
@@ -73,14 +79,18 @@ var Tabbar = {
       self.el.collapsed = true;
     });
   },
+
+  // ----------
   show: function(animate) {
     this._hidden = false;
-
-    if( animate == false ) speed = 0;
-    else speed = 150;
-        
     this.el.collapsed = false;
-    $(this.el).animate({"marginTop":0}, speed);
+    
+    if(animate == false) {
+      $(this.el).css({"marginTop":0});
+    } else {
+      var speed = 150;
+      $(this.el).animate({"marginTop":0}, speed);
+    }
   },
   
   // ----------
@@ -135,8 +145,19 @@ var Tabbar = {
       tab.collapsed = false;
       Utils.activeWindow.gBrowser.moveTabTo(tab, UI.tabBar.el.children.length-1);
     });
-    
   },
+
+  // ----------
+  // Function: showAllTabs
+  // Shows all of the tabs in the tab bar.
+  showAllTabs: function(){
+    for( var i=0; i<UI.tabBar.el.children.length; i++ ){
+      var tab = UI.tabBar.el.children[i];
+      tab.collapsed = false;
+    }
+  },
+
+  // ----------
   get isHidden(){ return this._hidden; }
 }
 
@@ -403,7 +424,7 @@ function UIClass(){
   this.navBar = Navbar;
   this.tabBar = Tabbar;
   this.devMode = false;
-  this.focused = true;
+  this.focused = (Utils.activeTab == Utils.homeTab);
   
   var self = this;
   
@@ -423,7 +444,10 @@ function UIClass(){
   }
   
   // ___ Navbar
-  this.navBar.hide();
+  if(this.focused) {
+    this.tabBar.hide();
+    this.navBar.hide();
+  }
   
   Tabs.onFocus(function() {
     try{
@@ -464,6 +488,9 @@ function UIClass(){
   $(window).bind('beforeunload', function() {
     if(self.initialized) 
       self.save();
+      
+    self.tabBar.show();    
+    self.tabBar.showAllTabs();
   });
   
   // ___ resizing

browser/base/content/tabcandy/core/tabs.js

@@ -319,6 +319,8 @@ function EventListenerMixIn(options) {
     });
 }
 
+// Class: Tabs
+// Singelton for dealing with the actual tabs in the browser. 
 function Tabs() {
   var trackedWindows = new Dictionary();
   var trackedTabs = new Dictionary();

browser/base/content/tabcandy/core/utils.js

@@ -310,20 +310,45 @@ window.Subscribable.prototype = {
 // Singelton with common utility functions.
 var Utils = {
   // ___ Windows and Tabs
+
+  // ----------
+  // Variable: activeWindow
   get activeWindow(){
     var win = Cc["@mozilla.org/embedcomp/window-watcher;1"]
                .getService(Ci.nsIWindowWatcher)
                .activeWindow;
                
-    if( win != null ) return win;  
-    else return homeWindow;
+    if( win != null ) 
+      return win;  
+      
+    if(homeWindow != null)
+      return homeWindow;
+      
+    win = Cc["@mozilla.org/appshell/window-mediator;1"]
+      .getService(Components.interfaces.nsIWindowMediator)
+      .getMostRecentWindow("navigator:browser");
+
+    return win;
   },
   
+  // ----------
+  // Variable: activeTab
+  // The <Tabs> tab that represents the active tab in the active window.
   get activeTab(){
     var tabBrowser = this.activeWindow.gBrowser;
-    return tabBrowser.selectedTab;
+    var rawTab = tabBrowser.selectedTab;
+    for( var i=0; i<Tabs.length; i++){
+      if(Tabs[i].raw == rawTab)
+        return Tabs[i];
+    }
+    
+    return null;
   },
   
+  // ----------
+  // Variable: homeTab
+  // The <Tabs> tab that represents the tab candy tab.
+  // TODO: what if there are multiple tab candy tabs?
   get homeTab(){
     for( var i=0; i<Tabs.length; i++){
       if(Tabs[i].contentWindow.location.host == "tabcandy"){