Add a screen to migrate filesystem encryption from eCryptfs to ext4 crypto.

chrome/browser/chromeos/login/wizard_controller.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/wizard_controller.h"
 
 #include <signal.h>
 #include <stddef.h>
 #include <stdlib.h>
 #include <sys/types.h>
@@ skipping 20 matching lines @@
 #include "chrome/browser/chromeos/arc/arc_util.h"
 #include "chrome/browser/chromeos/customization/customization_document.h"
 #include "chrome/browser/chromeos/login/enrollment/auto_enrollment_check_screen.h"
 #include "chrome/browser/chromeos/login/enrollment/enrollment_screen.h"
 #include "chrome/browser/chromeos/login/existing_user_controller.h"
 #include "chrome/browser/chromeos/login/helper.h"
 #include "chrome/browser/chromeos/login/hwid_checker.h"
 #include "chrome/browser/chromeos/login/screens/arc_terms_of_service_screen.h"
 #include "chrome/browser/chromeos/login/screens/device_disabled_screen.h"
 #include "chrome/browser/chromeos/login/screens/enable_debugging_screen.h"
+#include "chrome/browser/chromeos/login/screens/encryption_migration_screen.h"
 #include "chrome/browser/chromeos/login/screens/error_screen.h"
 #include "chrome/browser/chromeos/login/screens/eula_screen.h"
 #include "chrome/browser/chromeos/login/screens/hid_detection_view.h"
 #include "chrome/browser/chromeos/login/screens/kiosk_autolaunch_screen.h"
 #include "chrome/browser/chromeos/login/screens/kiosk_enable_screen.h"
 #include "chrome/browser/chromeos/login/screens/network_error.h"
 #include "chrome/browser/chromeos/login/screens/network_view.h"
 #include "chrome/browser/chromeos/login/screens/reset_screen.h"
 #include "chrome/browser/chromeos/login/screens/terms_of_service_screen.h"
 #include "chrome/browser/chromeos/login/screens/update_screen.h"
@@ skipping 367 matching lines @@
           new pairing_chromeos::BluetoothHostPairingController(
               BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE)));
       remora_controller_->StartPairing();
     }
     return new HostPairingScreen(this, this,
                                  oobe_ui_->GetHostPairingScreenView(),
                                  remora_controller_.get());
   } else if (screen == OobeScreen::SCREEN_DEVICE_DISABLED) {
     return new DeviceDisabledScreen(this,
                                     oobe_ui_->GetDeviceDisabledScreenView());
+  } else if (screen == OobeScreen::SCREEN_ENCRYPTION_MIGRATION) {
+    return new EncryptionMigrationScreen(
+        this, oobe_ui_->GetEncryptionMigrationScreenView());
   }
 
   return nullptr;
 }
 
 void WizardController::ShowNetworkScreen() {
   VLOG(1) << "Showing network screen.";
   // Hide the status area initially; it only appears after OOBE first animates
   // in. Keep it visible if the user goes back to the existing network screen.
   SetStatusAreaVisible(
@@ skipping 190 matching lines @@
   SetStatusAreaVisible(false);
   SetCurrentScreen(GetScreen(OobeScreen::SCREEN_OOBE_HOST_PAIRING));
 }
 
 void WizardController::ShowDeviceDisabledScreen() {
   VLOG(1) << "Showing device disabled screen.";
   SetStatusAreaVisible(true);
   SetCurrentScreen(GetScreen(OobeScreen::SCREEN_DEVICE_DISABLED));
 }
 
+void WizardController::ShowEncryptionMigrationScreen() {
+  VLOG(1) << "Showing encryption migration screen.";
+  SetStatusAreaVisible(true);
+  SetCurrentScreen(GetScreen(OobeScreen::SCREEN_ENCRYPTION_MIGRATION));
+}
+
 void WizardController::SkipToLoginForTesting(
     const LoginScreenContext& context) {
   VLOG(1) << "SkipToLoginForTesting.";
   StartupUtils::MarkEulaAccepted();
   PerformPostEulaActions();
   OnDeviceDisabledChecked(false /* device_disabled */);
 }
 
 pairing_chromeos::SharkConnectionListener*
 WizardController::GetSharkConnectionListenerForTesting() {
@@ skipping 411 matching lines @@
   } else if (screen == OobeScreen::SCREEN_ARC_KIOSK_SPLASH) {
     ShowArcKioskSplashScreen();
   } else if (screen == OobeScreen::SCREEN_OOBE_HID_DETECTION) {
     ShowHIDDetectionScreen();
   } else if (screen == OobeScreen::SCREEN_OOBE_CONTROLLER_PAIRING) {
     ShowControllerPairingScreen();
   } else if (screen == OobeScreen::SCREEN_OOBE_HOST_PAIRING) {
     ShowHostPairingScreen();
   } else if (screen == OobeScreen::SCREEN_DEVICE_DISABLED) {
     ShowDeviceDisabledScreen();
+  } else if (screen == OobeScreen::SCREEN_ENCRYPTION_MIGRATION) {
+    ShowEncryptionMigrationScreen();
   } else if (screen != OobeScreen::SCREEN_TEST_NO_WINDOW) {
     if (is_out_of_box_) {
       time_oobe_started_ = base::Time::Now();
       if (IsRemoraPairingOobe() || IsControllerDetected()) {
         ShowHostPairingScreen();
       } else if (CanShowHIDDetectionScreen()) {
         hid_screen_ = GetScreen(OobeScreen::SCREEN_OOBE_HID_DETECTION);
         base::Callback<void(bool)> on_check = base::Bind(
             &WizardController::OnHIDScreenNecessityCheck,
             weak_factory_.GetWeakPtr());
@@ skipping 433 matching lines @@
             : policy::EnrollmentConfig::MODE_MANUAL_REENROLLMENT;
   }
 
   EnrollmentScreen* screen = EnrollmentScreen::Get(screen_manager());
   screen->SetParameters(effective_config, shark_controller_.get());
   SetStatusAreaVisible(true);
   SetCurrentScreen(screen);
 }
 
 }  // namespace chromeos