Migrate (Network)ErrorScreen to ScreenContext

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 <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "chrome/browser/chromeos/login/screens/error_screen_actor.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/signin/screenlock_bridge.h"
 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
-#include "chrome/browser/ui/webui/chromeos/login/gaia_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/network/portal_detector/network_portal_detector.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"
@@ skipping 163 matching lines @@
     : public BaseScreenHandler,
       public LoginDisplayWebUIHandler,
       public content::NotificationObserver,
       public NetworkStateInformer::NetworkStateInformerObserver,
       public input_method::ImeKeyboard::Observer,
       public TouchViewControllerDelegate::Observer,
       public OobeUI::Observer {
  public:
   SigninScreenHandler(
       const scoped_refptr<NetworkStateInformer>& network_state_informer,
-      ErrorScreenActor* error_screen_actor,
+      NetworkErrorModel* network_error_model,
       CoreOobeActor* core_oobe_actor,
       GaiaScreenHandler* gaia_screen_handler);
   ~SigninScreenHandler() override;
 
   static std::string GetUserLRUInputMethod(const std::string& username);
 
   // Update current input method (namely keyboard layout) in the given IME state
   // to LRU by this user.
   static void SetUserInputMethod(
       const std::string& username,
       input_method::InputMethodManager::State* ime_state);
 
   // Shows the sign in screen.
   void Show(const LoginScreenContext& context);
 
   // Sets delegate to be used by the handler. It is guaranteed that valid
   // delegate is set before Show() method will be called.
   void SetDelegate(SigninScreenHandlerDelegate* delegate);
 
   void SetNativeWindowDelegate(NativeWindowDelegate* native_window_delegate);
 
   // NetworkStateInformer::NetworkStateInformerObserver implementation:
   void OnNetworkReady() override;
-  void UpdateState(ErrorScreenActor::ErrorReason reason) override;
+  void UpdateState(NetworkError::ErrorReason reason) override;
 
   // Required Local State preferences.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // OobeUI::Observer implemetation.
   void OnCurrentScreenChanged(OobeUI::Screen current_screen,
                               OobeUI::Screen new_screen) override;
 
   void SetFocusPODCallbackForTesting(base::Closure callback);
 
  private:
   enum UIState {
     UI_STATE_UNKNOWN = 0,
     UI_STATE_GAIA_SIGNIN,
     UI_STATE_ACCOUNT_PICKER,
   };
 
   friend class GaiaScreenHandler;
   friend class ReportDnsCacheClearedOnUIThread;
   friend class SupervisedUserCreationScreenHandler;
 
   void ShowImpl();
 
   // Updates current UI of the signin screen according to |ui_state|
   // argument.  Optionally it can pass screen initialization data via
   // |params| argument.
   void UpdateUIState(UIState ui_state, base::DictionaryValue* params);
 
-  void UpdateStateInternal(ErrorScreenActor::ErrorReason reason,
-                           bool force_update);
+  void UpdateStateInternal(NetworkError::ErrorReason reason, bool force_update);
   void SetupAndShowOfflineMessage(NetworkStateInformer::State state,
-                                  ErrorScreenActor::ErrorReason reason);
+                                  NetworkError::ErrorReason reason);
   void HideOfflineMessage(NetworkStateInformer::State state,
-                          ErrorScreenActor::ErrorReason reason);
+                          NetworkError::ErrorReason reason);
   void ReloadGaia(bool force_reload);
 
   // BaseScreenHandler implementation:
   void DeclareLocalizedValues(LocalizedValuesBuilder* builder) override;
   void Initialize() override;
   gfx::NativeWindow GetNativeWindow() override;
 
   // WebUIMessageHandler implementation:
   void RegisterMessages() override;
 
@@ skipping 112 matching lines @@
   bool IsGuestSigninAllowed() const;
 
   // Returns true if offline login is allowed.
   bool IsOfflineLoginAllowed() const;
 
   bool ShouldLoadGaia() const;
 
   // Shows signin.
   void OnShowAddUser();
 
-  GaiaScreenHandler::FrameState FrameState() const;
   net::Error FrameError() const;
 
   // input_method::ImeKeyboard::Observer implementation:
   void OnCapsLockChanged(bool enabled) override;
 
   // Returns OobeUI object of NULL.
   OobeUI* GetOobeUI() const;
 
   // Gets the easy unlock service associated with the user. Can return NULL if
   // user cannot be found, or there is not associated service.
@@ skipping 18 matching lines @@
   // Is account picker being shown for the first time.
   bool is_account_picker_showing_first_time_;
 
   // Network state informer used to keep signin screen up.
   scoped_refptr<NetworkStateInformer> network_state_informer_;
 
   // Set to true once |LOGIN_WEBUI_VISIBLE| notification is observed.
   bool webui_visible_;
   bool preferences_changed_delayed_;
 
-  ErrorScreenActor* error_screen_actor_;
+  NetworkErrorModel* network_error_model_;
   CoreOobeActor* core_oobe_actor_;
 
   bool is_first_update_state_call_;
   bool offline_login_active_;
   NetworkStateInformer::State last_network_state_;
 
   base::CancelableClosure update_state_closure_;
   base::CancelableClosure connecting_closure_;
 
   content::NotificationRegistrar registrar_;
@@ skipping 27 matching lines @@
   scoped_ptr<ErrorScreensHistogramHelper> histogram_helper_;
 
   base::WeakPtrFactory<SigninScreenHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_