cros: Arrow key traversal in views.

chrome/browser/chromeos/login/login_display_host_impl.cc

 // Copyright (c) 2012 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/login_display_host_impl.h"
 
+#include <vector>
+
 #include "ash/ash_switches.h"
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/desktop_background/user_wallpaper_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_properties.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/file_util.h"
@@ skipping 18 matching lines @@
 #include "chrome/browser/chromeos/login/login_wizard.h"
 #include "chrome/browser/chromeos/login/oobe_display.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/login/webui_login_display.h"
 #include "chrome/browser/chromeos/login/webui_login_view.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/mobile_config.h"
 #include "chrome/browser/chromeos/policy/auto_enrollment_client.h"
 #include "chrome/browser/chromeos/system/input_device_settings.h"
+#include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chrome/browser/chromeos/system/timezone_settings.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/managed_mode/managed_mode.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
+#include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/ime/input_method_manager.h"
 #include "chromeos/login/login_state.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/public/browser/web_ui.h"
 #include "googleurl/src/gurl.h"
 #include "ui/aura/env.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/base/events/event_utils.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_element.h"
 #include "ui/compositor/layer_animation_sequence.h"
 #include "ui/compositor/layer_animator.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/transform.h"
+#include "ui/views/focus/focus_manager.h"
 #include "ui/views/widget/widget.h"
 
 namespace {
 
 // URL which corresponds to the login WebUI.
 const char kLoginURL[] = "chrome://oobe/login";
 
 // URL which corresponds to the OOBE WebUI.
 const char kOobeURL[] = "chrome://oobe";
 
@@ skipping 164 matching lines @@
     registrar_.Add(this, chrome::NOTIFICATION_LOGIN_WEBUI_VISIBLE,
                    content::NotificationService::AllSources());
     registrar_.Add(this, chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,
                    content::NotificationService::AllSources());
   }
   LOG(INFO) << "Login WebUI >> "
             << "zero_delay: " << zero_delay_enabled
             << " wait_for_wp_load_: " << waiting_for_wallpaper_load_
             << " wait_for_pods_: " << waiting_for_user_pods_
             << " init_webui_hidden_: " << initialize_webui_hidden_;
+
+  bool keyboard_driven_oobe = false;
+  system::StatisticsProvider::GetInstance()->GetMachineFlag(
+      chrome::kOemKeyboardDrivenOobeKey, &keyboard_driven_oobe);
+  if (keyboard_driven_oobe)
+    views::FocusManager::set_arrow_key_traversal_enabled(true);
 }
 
 LoginDisplayHostImpl::~LoginDisplayHostImpl() {
+  views::FocusManager::set_arrow_key_traversal_enabled(false);
   ResetLoginWindowAndView();
 
   // Let chrome process exit after login/oobe screen if needed.
   chrome::EndKeepAlive();
 
   default_host_ = NULL;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // LoginDisplayHostImpl, LoginDisplayHost implementation:
@@ skipping 207 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // LoginDisplayHostImpl, content:NotificationObserver implementation:
 
 void LoginDisplayHostImpl::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   if (chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED == type) {
-   LOG(INFO) << "Login WebUI >> wp animation done";
-   is_wallpaper_loaded_ = true;
-   ash::Shell::GetInstance()->user_wallpaper_delegate()->
-       OnWallpaperBootAnimationFinished();
-   if (waiting_for_wallpaper_load_) {
-     // StartWizard / StartSignInScreen could be called multiple times through
-     // the lifetime of host.
-     // Make sure that subsequent calls are not postponed.
-     waiting_for_wallpaper_load_ = false;
-     if (initialize_webui_hidden_)
-       ShowWebUI();
-     else
-       StartPostponedWebUI();
-   }
-   registrar_.Remove(this,
-                     chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED,
-                     content::NotificationService::AllSources());
- } else if (chrome::NOTIFICATION_LOGIN_WEBUI_VISIBLE == type ||
-            chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN == type) {
-   LOG(INFO) << "Login WebUI >> WEBUI_VISIBLE";
-   if (waiting_for_user_pods_ && initialize_webui_hidden_) {
-     waiting_for_user_pods_ = false;
-     ShowWebUI();
-   } else if (waiting_for_wallpaper_load_ && initialize_webui_hidden_) {
-     // Reduce time till login UI is shown - show it as soon as possible.
-     waiting_for_wallpaper_load_ = false;
-     ShowWebUI();
-   }
-   registrar_.Remove(this,
-                     chrome::NOTIFICATION_LOGIN_WEBUI_VISIBLE,
-                     content::NotificationService::AllSources());
-   registrar_.Remove(this,
-                     chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,
-                     content::NotificationService::AllSources());
+    LOG(INFO) << "Login WebUI >> wp animation done";
+    is_wallpaper_loaded_ = true;
+    ash::Shell::GetInstance()->user_wallpaper_delegate()
+        ->OnWallpaperBootAnimationFinished();
+    if (waiting_for_wallpaper_load_) {
+      // StartWizard / StartSignInScreen could be called multiple times through
+      // the lifetime of host.
+      // Make sure that subsequent calls are not postponed.
+      waiting_for_wallpaper_load_ = false;
+      if (initialize_webui_hidden_)
+        ShowWebUI();
+      else
+        StartPostponedWebUI();
+    }
+    registrar_.Remove(this,
+                      chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED,
+                      content::NotificationService::AllSources());
+  } else if (chrome::NOTIFICATION_LOGIN_WEBUI_VISIBLE == type ||
+             chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN == type) {
+    LOG(INFO) << "Login WebUI >> WEBUI_VISIBLE";
+    if (waiting_for_user_pods_ && initialize_webui_hidden_) {
+      waiting_for_user_pods_ = false;
+      ShowWebUI();
+    } else if (waiting_for_wallpaper_load_ && initialize_webui_hidden_) {
+      // Reduce time till login UI is shown - show it as soon as possible.
+      waiting_for_wallpaper_load_ = false;
+      ShowWebUI();
+    }
+    registrar_.Remove(this,
+                      chrome::NOTIFICATION_LOGIN_WEBUI_VISIBLE,
+                      content::NotificationService::AllSources());
+    registrar_.Remove(this,
+                      chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,
+                      content::NotificationService::AllSources());
   } else if (type == chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST) {
     ShutdownDisplayHost(true);
   } else if (type == chrome::NOTIFICATION_BROWSER_OPENED && session_starting_) {
     // Browsers created before session start (windows opened by extensions, for
     // example) are ignored.
     OnBrowserCreated();
     registrar_.Remove(this,
                       chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
                       content::NotificationService::AllSources());
     registrar_.Remove(this,
@@ skipping 371 matching lines @@
   VLOG(1) << "Initial time zone: " << timezone_name;
   // Apply locale customizations only once to preserve whatever locale
   // user has changed to during OOBE.
   if (!timezone_name.empty()) {
     chromeos::system::TimezoneSettings::GetInstance()->SetTimezoneFromID(
         UTF8ToUTF16(timezone_name));
   }
 }
 
 }  // namespace chromeos