Enable the PIN keyboard on the lockscreen.

chrome/browser/chromeos/login/screens/user_selection_screen.cc

 // Copyright 2014 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/screens/user_selection_screen.h"
 
 #include <stddef.h>
 
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_platform_part.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
+#include "chrome/browser/chromeos/login/quick_unlock/pin_storage.h"
+#include "chrome/browser/chromeos/login/quick_unlock/pin_storage_factory.h"
 #include "chrome/browser/chromeos/login/reauth_stats.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
 #include "chrome/browser/chromeos/login/ui/views/user_board_view.h"
 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/signin/easy_unlock_service.h"
 #include "chrome/browser/ui/webui/chromeos/login/l10n_util.h"
 #include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
@@ skipping 12 matching lines @@
 // User dictionary keys.
 const char kKeyUsername[] = "username";
 const char kKeyGaiaID[] = "gaiaId";
 const char kKeyDisplayName[] = "displayName";
 const char kKeyEmailAddress[] = "emailAddress";
 const char kKeyEnterpriseDomain[] = "enterpriseDomain";
 const char kKeyPublicAccount[] = "publicAccount";
 const char kKeyLegacySupervisedUser[] = "legacySupervisedUser";
 const char kKeyChildUser[] = "childUser";
 const char kKeyDesktopUser[] = "isDesktopUser";
+const char kKeyShowPin[] = "showPin";
 const char kKeySignedIn[] = "signedIn";
 const char kKeyCanRemove[] = "canRemove";
 const char kKeyIsOwner[] = "isOwner";
 const char kKeyInitialAuthType[] = "initialAuthType";
 const char kKeyMultiProfilesAllowed[] = "isMultiProfilesAllowed";
 const char kKeyMultiProfilesPolicy[] = "multiProfilesPolicy";
 const char kKeyInitialLocales[] = "initialLocales";
 const char kKeyInitialLocale[] = "initialLocale";
 const char kKeyInitialMultipleRecommendedLocales[] =
     "initialMultipleRecommendedLocales";
@@ skipping 47 matching lines @@
   user_dict->SetBoolean(kKeyInitialMultipleRecommendedLocales,
                         recommended_locales.size() >= 2);
 
   // Set |kKeyInitialKeyboardLayout| to the current keyboard layout. This
   // value will be used temporarily only because the UI immediately requests a
   // list of keyboard layouts suitable for the currently selected locale.
   user_dict->Set(kKeyInitialKeyboardLayout,
                  GetCurrentKeyboardLayout().release());
 }
 
+// Returns true if the PIN keyboard should be displayed for the given |user|.
+bool CanShowPinForUser(user_manager::User* user) {
+  if (!user->is_logged_in())
+    return false;
+
+  PinStorage* pin_storage = PinStorageFactory::GetForUser(user);
+  if (!pin_storage)
+    return false;
+
+  return pin_storage->IsPinAuthenticationAvailable();
+}
+
 }  // namespace
 
 UserSelectionScreen::UserSelectionScreen(const std::string& display_type)
     : handler_(nullptr),
       login_display_delegate_(nullptr),
       view_(nullptr),
       display_type_(display_type),
       weak_factory_(this) {
 }
 
@@ skipping 28 matching lines @@
   const bool is_child_user = user->GetType() == user_manager::USER_TYPE_CHILD;
 
   user_dict->SetString(kKeyUsername, user->GetAccountId().Serialize());
   user_dict->SetString(kKeyEmailAddress, user->display_email());
   user_dict->SetString(kKeyDisplayName, user->GetDisplayName());
   user_dict->SetBoolean(kKeyPublicAccount, is_public_session);
   user_dict->SetBoolean(kKeyLegacySupervisedUser, is_legacy_supervised_user);
   user_dict->SetBoolean(kKeyChildUser, is_child_user);
   user_dict->SetBoolean(kKeyDesktopUser, false);
   user_dict->SetInteger(kKeyInitialAuthType, auth_type);
+  user_dict->SetBoolean(kKeyShowPin, CanShowPinForUser(user));
   user_dict->SetBoolean(kKeySignedIn, user->is_logged_in());
   user_dict->SetBoolean(kKeyIsOwner, is_owner);
 
   FillMultiProfileUserPrefs(user, user_dict, is_signin_to_add);
   FillKnownUserPrefs(user, user_dict);
 
   if (is_public_session) {
     AddPublicSessionDetailsToUserDictionaryEntry(
         user_dict, public_session_recommended_locales);
   }
@@ skipping 381 matching lines @@
   // The user profile should exist if and only if this is the lock screen.
   DCHECK_EQ(!!profile, GetScreenType() == LOCK_SCREEN);
 
   if (!profile)
     profile = profile_helper->GetSigninProfile();
 
   return EasyUnlockService::Get(profile);
 }
 
 }  // namespace chromeos