Migrate (Network)ErrorScreen to ScreenContext

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

Index: chrome/browser/ui/webui/chromeos/login/error_screen_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/error_screen_handler.cc b/chrome/browser/ui/webui/chromeos/login/error_screen_handler.cc
index 5b0bd91012a55677057508b67c19977a5b0cd43d..306a4e26418662dd17db90b8b8ef45bb5960ecb3 100644
--- a/chrome/browser/ui/webui/chromeos/login/error_screen_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/error_screen_handler.cc
@@ -4,35 +4,12 @@
 
 #include "chrome/browser/ui/webui/chromeos/login/error_screen_handler.h"
 
-#include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/chromeos/app_mode/app_session_lifetime.h"
-#include "chrome/browser/chromeos/app_mode/certificate_manager_dialog.h"
-#include "chrome/browser/chromeos/login/ui/captive_portal_window_proxy.h"
-#include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
-#include "chrome/browser/chromeos/login/ui/webui_login_view.h"
-#include "chrome/browser/extensions/component_loader.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/ui/extensions/app_launch_params.h"
-#include "chrome/browser/ui/extensions/application_launch.h"
-#include "chrome/browser/ui/webui/chromeos/login/native_window_delegate.h"
-#include "chrome/browser/ui/webui/chromeos/login/network_state_informer.h"
-#include "chrome/common/extensions/extension_constants.h"
+#include "chrome/browser/chromeos/login/screens/network_error_model.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
-#include "chromeos/dbus/dbus_thread_manager.h"
-#include "chromeos/dbus/power_manager_client.h"
-#include "chromeos/dbus/session_manager_client.h"
-#include "chromeos/network/portal_detector/network_portal_detector.h"
-#include "chromeos/network/portal_detector/network_portal_detector_strategy.h"
 #include "components/login/localized_values_builder.h"
-#include "components/user_manager/user_manager.h"
-#include "extensions/browser/extension_system.h"
-#include "extensions/common/constants.h"
-#include "grit/browser_resources.h"
 #include "ui/strings/grit/ui_strings.h"
 
 namespace {
@@ -43,131 +20,48 @@ const char kJsScreenPath[] = "login.ErrorMessageScreen";
 
 namespace chromeos {
 
-ErrorScreenHandler::ErrorScreenHandler(
-    const scoped_refptr<NetworkStateInformer>& network_state_informer)
+ErrorScreenHandler::ErrorScreenHandler()
     : BaseScreenHandler(kJsScreenPath),
-      delegate_(NULL),
-      network_state_informer_(network_state_informer),
+      model_(nullptr),
       show_on_init_(false),
       weak_ptr_factory_(this) {
-  DCHECK(network_state_informer_.get());
 }
 
 ErrorScreenHandler::~ErrorScreenHandler() {
-  if (delegate_)
-    delegate_->OnActorDestroyed();
+  if (model_)
+    model_->OnViewDestroyed(this);
 }
 
-void ErrorScreenHandler::SetDelegate(ErrorScreenActorDelegate* delegate) {
-  delegate_ = delegate;
+void ErrorScreenHandler::PrepareToShow() {
 }
 
-void ErrorScreenHandler::Show(OobeDisplay::Screen parent_screen,
-                              base::DictionaryValue* params,
-                              const base::Closure& on_hide) {
+void ErrorScreenHandler::Show() {
   if (!page_is_ready()) {
     show_on_init_ = true;
     return;
   }
-  parent_screen_ = parent_screen;
-  on_hide_.reset(new base::Closure(on_hide));
-  ShowScreen(OobeUI::kScreenErrorMessage, params);
-  NetworkErrorShown();
-  NetworkPortalDetector::Get()->SetStrategy(
-      PortalDetectorStrategy::STRATEGY_ID_ERROR_SCREEN);
-  if (delegate_)
-    delegate_->OnErrorShow();
-  LOG(WARNING) << "Offline message is displayed";
-}
-
-void ErrorScreenHandler::CheckAndShowScreen() {
-  std::string screen_name;
-  if (GetScreenName(parent_screen(), &screen_name))
-    ShowScreen(screen_name.c_str(), NULL);
-}
-
-void ErrorScreenHandler::Show(OobeDisplay::Screen parent_screen,
-                              base::DictionaryValue* params) {
-  Show(parent_screen,
-       params,
-       base::Bind(&ErrorScreenHandler::CheckAndShowScreen,
-                  weak_ptr_factory_.GetWeakPtr()));
+  BaseScreenHandler::ShowScreen(OobeUI::kScreenErrorMessage, NULL);
+  if (model_)
+    model_->OnShow();
 }
 
 void ErrorScreenHandler::Hide() {
-  if (parent_screen_ == OobeUI::SCREEN_UNKNOWN)
-    return;
-  if (on_hide_)
-    on_hide_->Run();
-  NetworkPortalDetector::Get()->SetStrategy(
-      PortalDetectorStrategy::STRATEGY_ID_LOGIN_SCREEN);
-  if (delegate_)
-    delegate_->OnErrorHide();
-  LOG(WARNING) << "Offline message is hidden";
-}
-
-void ErrorScreenHandler::FixCaptivePortal() {
-  if (!captive_portal_window_proxy_.get()) {
-    content::WebContents* web_contents =
-        LoginDisplayHostImpl::default_host()->GetWebUILoginView()->
-            GetWebContents();
-    captive_portal_window_proxy_.reset(
-        new CaptivePortalWindowProxy(network_state_informer_.get(),
-                                     web_contents));
-  }
-  captive_portal_window_proxy_->ShowIfRedirected();
-}
-
-void ErrorScreenHandler::ShowCaptivePortal() {
-  // This call is an explicit user action
-  // i.e. clicking on link so force dialog show.
-  FixCaptivePortal();
-  captive_portal_window_proxy_->Show();
-}
-
-void ErrorScreenHandler::HideCaptivePortal() {
-  if (captive_portal_window_proxy_.get())
-    captive_portal_window_proxy_->Close();
-}
-
-void ErrorScreenHandler::SetUIState(ErrorScreen::UIState ui_state) {
-  show_connecting_indicator_ = false;
-  ui_state_ = ui_state;
-  if (page_is_ready())
-    CallJS("setUIState", static_cast<int>(ui_state_));
-}
-
-void ErrorScreenHandler::SetErrorState(ErrorScreen::ErrorState error_state,
-                                       const std::string& network) {
-  error_state_ = error_state;
-  network_ = network;
-  if (page_is_ready())
-    CallJS("setErrorState", static_cast<int>(error_state_), network);
-}
-
-void ErrorScreenHandler::AllowGuestSignin(bool allowed) {
-  guest_signin_allowed_ = allowed;
-  if (page_is_ready())
-    CallJS("allowGuestSignin", allowed);
 }
 
-void ErrorScreenHandler::AllowOfflineLogin(bool allowed) {
-  offline_login_allowed_ = allowed;
-  if (page_is_ready())
-    CallJS("allowOfflineLogin", allowed);
+void ErrorScreenHandler::Bind(NetworkErrorModel& model) {
+  model_ = &model;
+  BaseScreenHandler::SetBaseScreen(model_);
 }
 
-void ErrorScreenHandler::ShowConnectingIndicator(bool show) {
-  show_connecting_indicator_ = show;
-  if (page_is_ready())
-    CallJS("showConnectingIndicator", show);
+void ErrorScreenHandler::Unbind() {
+  model_ = nullptr;
+  BaseScreenHandler::SetBaseScreen(nullptr);
 }
 
-void ErrorScreenHandler::NetworkErrorShown() {
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,
-      content::NotificationService::AllSources(),
-      content::NotificationService::NoDetails());
+void ErrorScreenHandler::ShowScreen(OobeUI::Screen screen) {
+  std::string screen_name;
+  if (GetScreenName(screen, &screen_name))
+    BaseScreenHandler::ShowScreen(screen_name.c_str(), NULL);
 }
 
 bool ErrorScreenHandler::GetScreenName(OobeUI::Screen screen,
@@ -179,75 +73,14 @@ bool ErrorScreenHandler::GetScreenName(OobeUI::Screen screen,
   return true;
 }
 
-void ErrorScreenHandler::HandleShowCaptivePortal() {
-  ShowCaptivePortal();
-}
-
 void ErrorScreenHandler::HandleHideCaptivePortal() {
-  HideCaptivePortal();
-}
-
-void ErrorScreenHandler::HandleLocalStateErrorPowerwashButtonClicked() {
-  chromeos::DBusThreadManager::Get()->GetSessionManagerClient()->
-      StartDeviceWipe();
-}
-
-void ErrorScreenHandler::HandleRebootButtonClicked() {
-  chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RequestRestart();
-}
-
-void ErrorScreenHandler::HandleDiagnoseButtonClicked() {
-  Profile* profile = ProfileManager::GetActiveUserProfile();
-  ExtensionService* extension_service =
-      extensions::ExtensionSystem::Get(profile)->extension_service();
-
-  std::string extension_id =
-      extension_service->component_loader()->Add(
-          IDR_CONNECTIVITY_DIAGNOSTICS_MANIFEST,
-          base::FilePath(extension_misc::kConnectivityDiagnosticsKioskPath));
-
-  const extensions::Extension* extension = extension_service->
-      GetExtensionById(extension_id, true);
-  OpenApplication(
-      AppLaunchParams(profile, extension, extensions::LAUNCH_CONTAINER_WINDOW,
-                      NEW_WINDOW, extensions::SOURCE_CHROME_INTERNAL));
-  InitAppSession(profile, extension_id);
-
-  user_manager::UserManager::Get()->SessionStarted();
-
-  LoginDisplayHostImpl::default_host()->Finalize();
-}
-
-void ErrorScreenHandler::HandleConfigureCerts() {
-  CertificateManagerDialog* dialog =
-      new CertificateManagerDialog(ProfileManager::GetActiveUserProfile(),
-                                   NULL,
-                                   GetNativeWindow());
-  dialog->Show();
-}
-
-void ErrorScreenHandler::HandleLaunchOobeGuestSession() {
-  if (delegate_)
-    delegate_->OnLaunchOobeGuestSession();
+  model_->HideCaptivePortal();
 }
 
 void ErrorScreenHandler::RegisterMessages() {
-  AddCallback("showCaptivePortal",
-              &ErrorScreenHandler::HandleShowCaptivePortal);
   AddCallback("hideCaptivePortal",
               &ErrorScreenHandler::HandleHideCaptivePortal);
-  AddCallback("localStateErrorPowerwashButtonClicked",
-              &ErrorScreenHandler::HandleLocalStateErrorPowerwashButtonClicked);
-  AddCallback("rebootButtonClicked",
-              &ErrorScreenHandler::HandleRebootButtonClicked);
-  AddCallback("diagnoseButtonClicked",
-              &ErrorScreenHandler::HandleDiagnoseButtonClicked);
-  AddCallback("configureCertsClicked",
-              &ErrorScreenHandler::HandleConfigureCerts);
-  AddCallback("launchOobeGuestSession",
-              &ErrorScreenHandler::HandleLaunchOobeGuestSession);
-  AddCallback("rollbackOkButtonClicked",
-              &ErrorScreenHandler::HandleRebootButtonClicked);
+  BaseScreenHandler::RegisterMessages();
 }
 
 void ErrorScreenHandler::DeclareLocalizedValues(
@@ -289,15 +122,10 @@ void ErrorScreenHandler::DeclareLocalizedValues(
 void ErrorScreenHandler::Initialize() {
   if (!page_is_ready())
     return;
+
   if (show_on_init_) {
-    base::DictionaryValue params;
-    params.SetInteger("uiState", static_cast<int>(ui_state_));
-    params.SetInteger("errorState", static_cast<int>(error_state_));
-    params.SetString("network", network_);
-    params.SetBoolean("guestSigninAllowed", guest_signin_allowed_);
-    params.SetBoolean("offlineLoginAllowed", offline_login_allowed_);
-    params.SetBoolean("showConnectingIndicator", show_connecting_indicator_);
-    Show(parent_screen_, &params);
+    // TODO(nkostylev): Check that context initial state is properly passed.
+    Show();
     show_on_init_ = false;
   }
 }