Signin screen and locked screen status area focus advancing

chrome/browser/chromeos/login/ui/webui_login_view.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_UI_WEBUI_LOGIN_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_WEBUI_LOGIN_VIEW_H_
 
 #include <map>
 #include <string>
 
+#include "ash/common/system/status_area_focus_observer.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "chrome/browser/ui/chrome_web_modal_dialog_manager_delegate.h"
 #include "components/web_modal/web_contents_modal_dialog_host.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
@@ skipping 11 matching lines @@
 }
 
 namespace chromeos {
 
 // View used to render a WebUI supporting Widget. This widget is used for the
 // WebUI based start up and lock screens. It contains a WebView.
 class WebUILoginView : public views::View,
                        public content::WebContentsDelegate,
                        public content::NotificationObserver,
                        public ChromeWebModalDialogManagerDelegate,
-                       public web_modal::WebContentsModalDialogHost {
+                       public web_modal::WebContentsModalDialogHost,
+                       public ash::StatusAreaFocusObserver {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
   WebUILoginView();
   ~WebUILoginView() override;
 
   // Initializes the webui login view.
   virtual void Init();
 
@@ skipping 75 matching lines @@
   void RequestMediaAccessPermission(
       content::WebContents* web_contents,
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback) override;
   bool CheckMediaAccessPermission(content::WebContents* web_contents,
                                   const GURL& security_origin,
                                   content::MediaStreamType type) override;
   bool PreHandleGestureEvent(content::WebContents* source,
                              const blink::WebGestureEvent& event) override;
 
+  // Overridden from ash::StatusAreaFocusObserver.
+  void OnWillReturnFocusToWebContents(bool reverse) override;
+
   // Performs series of actions when login prompt is considered
   // to be ready and visible.
   // 1. Emits LoginPromptVisible signal if needed
   // 2. Notifies OOBE/sign classes.
   void OnLoginPromptVisible();
 
   content::NotificationRegistrar registrar_;
 
   // Converts keyboard events on the WebContents to accelerators.
   views::UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
@@ skipping 15 matching lines @@
   bool forward_keyboard_event_;
 
   base::ObserverList<web_modal::ModalDialogHostObserver> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUILoginView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UI_WEBUI_LOGIN_VIEW_H_