Migrate (Network)ErrorScreen to ScreenContext

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ERROR_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ERROR_SCREEN_HANDLER_H_
 
-#include "base/cancelable_callback.h"
-#include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/chromeos/login/screens/error_screen_actor.h"
+#include "base/macros.h"
+#include "chrome/browser/chromeos/login/screens/network_error_view.h"
 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
-#include "chrome/browser/ui/webui/chromeos/login/network_state_informer.h"
-
-namespace base {
-class DictionaryValue;
-}
 
 namespace chromeos {
 
-class CaptivePortalWindowProxy;
-class NativeWindowDelegate;
-class NetworkStateInformer;
+class NetworkErrorModel;
 
 // A class that handles the WebUI hooks in error screen.
-class ErrorScreenHandler : public BaseScreenHandler,
-                           public ErrorScreenActor {
+class ErrorScreenHandler : public BaseScreenHandler, public NetworkErrorView {
  public:
-  ErrorScreenHandler(
-      const scoped_refptr<NetworkStateInformer>& network_state_informer);
+  ErrorScreenHandler();
   ~ErrorScreenHandler() override;
 
-  // ErrorScreenActor implementation:
-  void SetDelegate(ErrorScreenActorDelegate* delegate) override;
-  void Show(OobeDisplay::Screen parent_screen,
-            base::DictionaryValue* params) override;
-  void Show(OobeDisplay::Screen parent_screen,
-            base::DictionaryValue* params,
-            const base::Closure& on_hide) override;
+  // ErrorView:
+  void PrepareToShow() override;
+  void Show() override;
   void Hide() override;
-  void FixCaptivePortal() override;
-  void ShowCaptivePortal() override;
-  void HideCaptivePortal() override;
-  void SetUIState(ErrorScreen::UIState ui_state) override;
-  void SetErrorState(ErrorScreen::ErrorState error_state,
-                     const std::string& network) override;
-  void AllowGuestSignin(bool allowed) override;
-  void AllowOfflineLogin(bool allowed) override;
-  void ShowConnectingIndicator(bool show) override;
+  void Bind(NetworkErrorModel& model) override;
+  void Unbind() override;
+  void ShowScreen(OobeUI::Screen screen) override;
 
  private:
-  // Sends notification that error message is shown.
-  void NetworkErrorShown();
-
   bool GetScreenName(OobeUI::Screen screen, std::string* name) const;
 
-  // Default hide_closure for Show/Hide.
-  void CheckAndShowScreen();
-
   // WebUI message handlers.
-  void HandleShowCaptivePortal();
   void HandleHideCaptivePortal();
-  void HandleLocalStateErrorPowerwashButtonClicked();
-  void HandleRebootButtonClicked();
-  void HandleDiagnoseButtonClicked();
-  void HandleConfigureCerts();
-  void HandleLaunchOobeGuestSession();
 
   // WebUIMessageHandler implementation:
   void RegisterMessages() override;
 
   // BaseScreenHandler implementation:
   void DeclareLocalizedValues(
       ::login::LocalizedValuesBuilder* builder) override;
   void Initialize() override;
 
   // Non-owning ptr.
-  ErrorScreenActorDelegate* delegate_;
-
-  // Proxy which manages showing of the window for captive portal entering.
-  scoped_ptr<CaptivePortalWindowProxy> captive_portal_window_proxy_;
-
-  // Network state informer used to keep error screen up.
-  scoped_refptr<NetworkStateInformer> network_state_informer_;
-
-  // NativeWindowDelegate used to get reference to NativeWindow.
-  NativeWindowDelegate* native_window_delegate_;
+  NetworkErrorModel* model_;
 
   // Keeps whether screen should be shown right after initialization.
   bool show_on_init_;
 
-  scoped_ptr<base::Closure> on_hide_;
-
   base::WeakPtrFactory<ErrorScreenHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ErrorScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ERROR_SCREEN_HANDLER_H_