Enabling access notifications for login wizard

chrome/browser/chromeos/login/update_view.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/update_view.h"
 
 #include <string>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "chrome/browser/chromeos/login/helper.h"
 #include "chrome/browser/chromeos/login/rounded_rect_painter.h"
 #include "chrome/browser/chromeos/login/update_screen.h"
+#include "chrome/browser/chromeos/login/wizard_accessibility_helper.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "views/border.h"
 #include "views/controls/label.h"
 #include "views/controls/progress_bar.h"
 #include "views/controls/throbber.h"
 #include "views/focus/focus_manager.h"
 #include "views/widget/widget.h"
 
 using views::Background;
@@ skipping 178 matching lines @@
   if (a.GetKeyCode() == app::VKEY_ESCAPE) {
     if (controller_ != NULL) {
       controller_->CancelUpdate();
     }
     return true;
   }
 #endif
   return false;
 }
 
+void UpdateView::ViewHierarchyChanged(bool is_add, View* parent, View* child) {
+  if (is_add && this == child)
+    WizardAccessibilityHelper::GetInstance()->MaybeEnableAccessibility(this);
+}
+
 void UpdateView::InitLabel(views::Label** label) {
   *label = new views::Label();
   (*label)->SetColor(kLabelColor);
   (*label)->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
   (*label)->SetMultiLine(true);
 
   ResourceBundle& res_bundle = ResourceBundle::GetSharedInstance();
   gfx::Font label_font = res_bundle.GetFont(ResourceBundle::MediumBoldFont);
   (*label)->SetFont(label_font);
 
@@ skipping 10 matching lines @@
   checking_label_->SetVisible(show_curtain_);
   throbber_->SetVisible(show_curtain_);
   if (show_curtain_) {
     throbber_->Start();
   } else {
     throbber_->Stop();
   }
 }
 
 }  // namespace chromeos