Enable the PIN keyboard on the lockscreen.

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h

 // Copyright (c) 2013 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_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_
 
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/login/screens/network_error_model.h"
 #include "chrome/browser/chromeos/login/signin_specifics.h"
 #include "chrome/browser/chromeos/login/ui/login_display.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
 #include "chrome/browser/ui/webui/chromeos/login/network_state_informer.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/browser/ui/webui/chromeos/touch_view_controller_delegate.h"
+#include "chromeos/dbus/power_manager_client.h"
 #include "chromeos/network/portal_detector/network_portal_detector.h"
 #include "components/proximity_auth/screenlock_bridge.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_ui.h"
 #include "net/base/net_errors.h"
 #include "ui/base/ime/chromeos/ime_keyboard.h"
 #include "ui/base/ime/chromeos/input_method_manager.h"
 #include "ui/events/event_handler.h"
@@ skipping 160 matching lines @@
   virtual ~SigninScreenHandlerDelegate() {}
 };
 
 // A class that handles the WebUI hooks in sign-in screen in OobeUI and
 // LoginDisplay.
 class SigninScreenHandler
     : public BaseScreenHandler,
       public LoginDisplayWebUIHandler,
       public content::NotificationObserver,
       public NetworkStateInformer::NetworkStateInformerObserver,
+      public PowerManagerClient::Observer,
       public input_method::ImeKeyboard::Observer,
       public TouchViewControllerDelegate::Observer,
       public OobeUI::Observer {
  public:
   SigninScreenHandler(
       const scoped_refptr<NetworkStateInformer>& network_state_informer,
       NetworkErrorModel* network_error_model,
       CoreOobeActor* core_oobe_actor,
       GaiaScreenHandler* gaia_screen_handler);
   ~SigninScreenHandler() override;
@@ skipping 88 matching lines @@
                                 const std::string& password) override;
   void ShowWhitelistCheckFailedError() override;
   void ShowUnrecoverableCrypthomeErrorDialog() override;
   void LoadUsers(const base::ListValue& users_list, bool show_guest) override;
 
   // content::NotificationObserver implementation:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
+  // PowerManagerClient::Observer implementation:
+  void SuspendDone(const base::TimeDelta& sleep_duration) override;
+
   // TouchViewControllerDelegate::Observer implementation:
   void OnMaximizeModeStarted() override;
   void OnMaximizeModeEnded() override;
 
   void UpdateAddButtonStatus();
 
   // Restore input focus to current user pod.
   void RefocusCurrentPod();
 
+  // Hides the PIN keyboard if it is no longer available.
+  void HidePinKeyboardIfNeeded(const AccountId& account_id);
+
   // WebUI message handlers.
   void HandleGetUsers();
   void HandleAuthenticateUser(const AccountId& account_id,
                               const std::string& password);
-  void HandleAuthenticateUserWithPin(const AccountId& account_id,
-                                     const std::string& password);
   void HandleAttemptUnlock(const std::string& username);
   void HandleLaunchIncognito();
   void HandleLaunchPublicSession(const AccountId& account_id,
                                  const std::string& locale,
                                  const std::string& input_method);
   void HandleOfflineLogin(const base::ListValue* args);
   void HandleShutdownSystem();
   void HandleLoadWallpaper(const AccountId& account_id);
   void HandleRebootSystem();
   void HandleRemoveUser(const AccountId& account_id);
@@ skipping 148 matching lines @@
   std::unique_ptr<LoginFeedback> login_feedback_;
 
   base::WeakPtrFactory<SigninScreenHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_