Fixes the modal backdrop

Author: TomMalbran

src/styles/brackets_patterns_override.less

@@ -451,7 +451,7 @@
 .modal-backdrop {
     opacity: 0;
 }
-.modal-backdrop:last-child {
+.last-backdrop {
     /* Only show the last modal backdrop */
     opacity: 0.5;
 }

src/utils/UpdateNotification.js

@@ -33,11 +33,12 @@ define(function (require, exports, module) {
 
     var Dialogs              = require("widgets/Dialogs"),
         DefaultDialogs       = require("widgets/DefaultDialogs"),
-        NativeApp            = require("utils/NativeApp"),
         PreferencesManager   = require("preferences/PreferencesManager"),
-        Strings              = require("strings"),
-        StringUtils          = require("utils/StringUtils"),
+        AppInit              = require("utils/AppInit"),
         Global               = require("utils/Global"),
+        NativeApp            = require("utils/NativeApp"),
+        StringUtils          = require("utils/StringUtils"),
+        Strings              = require("strings"),
         UpdateDialogTemplate = require("text!htmlContent/update-dialog.html"),
         UpdateListTemplate   = require("text!htmlContent/update-list.html");
 
@@ -208,6 +209,10 @@ define(function (require, exports, module) {
 
         updates.Strings = Strings;
         $updateList.html(Mustache.render(UpdateListTemplate, updates));
+        
+        AppInit.appReady(function () {
+            $dlg.find("button").focus();
+        });
     }
 
     /**

src/widgets/Dialogs.js

@@ -252,6 +252,7 @@ define(function (require, exports, module) {
 
             // Remove the dialog instance from the DOM.
             $dlg.remove();
+            $(".modal-backdrop:last").addClass("last-backdrop");
 
             // Remove our global keydown handler.
             KeyBindingManager.removeGlobalKeydownHook(keydownHook);
@@ -273,7 +274,9 @@ define(function (require, exports, module) {
                 _dismissDialog($dlg, $(this).attr("data-button-id"));
             });
         }
-
+        
+        $(".last-backdrop").removeClass("last-backdrop");
+        
         // Run the dialog
         $dlg
             .modal({
@@ -283,7 +286,9 @@ define(function (require, exports, module) {
             })
             // Updates the z-index of the modal dialog and the backdrop
             .css("z-index", zIndex + 1)
-            .next().css("z-index", zIndex);
+            .next()
+            .css("z-index", zIndex)
+            .addClass("last-backdrop");
 
         zIndex += 2;