chromeos/login/login_state.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromeos/login/login_state.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/logging.h"
   9 #include "base/sys_info.h"
  10 #include "chromeos/chromeos_switches.h"
  11
  12 namespace chromeos {
  13
  14 namespace {
  15
  16 // When running a Chrome OS build outside of a device (i.e. on a developer's
  17 // workstation) and not running as login-manager, pretend like we're always
  18 // logged in.
  19 bool AlwaysLoggedIn() {
  20   return !base::SysInfo::IsRunningOnChromeOS() &&
  21       !CommandLine::ForCurrentProcess()->HasSwitch(switches::kLoginManager);
  22 }
  23
  24 }  // namespace
  25
  26 static LoginState* g_login_state = NULL;
  27
  28 // static
  29 void LoginState::Initialize() {
  30   CHECK(!g_login_state);
  31   g_login_state = new LoginState();
  32 }
  33
  34 // static
  35 void LoginState::Shutdown() {
  36   CHECK(g_login_state);
  37   delete g_login_state;
  38   g_login_state = NULL;
  39 }
  40
  41 // static
  42 LoginState* LoginState::Get() {
  43   CHECK(g_login_state) << "LoginState::Get() called before Initialize()";
  44   return g_login_state;
  45 }
  46
  47 // static
  48 bool LoginState::IsInitialized() {
  49   return g_login_state;
  50 }
  51
  52 void LoginState::AddObserver(Observer* observer) {
  53   observer_list_.AddObserver(observer);
  54 }
  55
  56 void LoginState::RemoveObserver(Observer* observer) {
  57   observer_list_.RemoveObserver(observer);
  58 }
  59
  60 void LoginState::SetLoggedInState(LoggedInState state,
  61                                   LoggedInUserType type) {
  62   if (state == logged_in_state_ && type == logged_in_user_type_)
  63     return;
  64   VLOG(1) << "LoggedInState: " << state << " UserType: " << type;
  65   logged_in_state_ = state;
  66   logged_in_user_type_ = type;
  67   NotifyObservers();
  68 }
  69
  70 LoginState::LoggedInUserType LoginState::GetLoggedInUserType() const {
  71   return logged_in_user_type_;
  72 }
  73
  74 bool LoginState::IsUserLoggedIn() const {
  75   if (AlwaysLoggedIn())
  76     return true;
  77   return logged_in_state_ == LOGGED_IN_ACTIVE;
  78 }
  79
  80 bool LoginState::IsInSafeMode() const {
  81   DCHECK(!AlwaysLoggedIn() || logged_in_state_ != LOGGED_IN_SAFE_MODE);
  82   return logged_in_state_ == LOGGED_IN_SAFE_MODE;
  83 }
  84
  85 bool LoginState::IsGuestUser() const {
  86   if (!IsUserLoggedIn())
  87     return false;
  88   switch (logged_in_user_type_) {
  89     case LOGGED_IN_USER_NONE:
  90     case LOGGED_IN_USER_REGULAR:
  91     case LOGGED_IN_USER_OWNER:
  92     case LOGGED_IN_USER_LOCALLY_MANAGED:
  93     case LOGGED_IN_USER_KIOSK_APP:
  94       return false;
  95     case LOGGED_IN_USER_GUEST:
  96     case LOGGED_IN_USER_RETAIL_MODE:
  97     case LOGGED_IN_USER_PUBLIC_ACCOUNT:
  98       return true;
  99   }
 100   NOTREACHED();
 101   return false;
 102 }
 103
 104 bool LoginState::IsUserAuthenticated() const {
 105   LoggedInUserType type = logged_in_user_type_;
 106   return type == chromeos::LoginState::LOGGED_IN_USER_REGULAR ||
 107       type == chromeos::LoginState::LOGGED_IN_USER_OWNER ||
 108       type == chromeos::LoginState::LOGGED_IN_USER_LOCALLY_MANAGED;
 109 }
 110
 111 bool LoginState::IsUserGaiaAuthenticated() const {
 112   LoggedInUserType type = logged_in_user_type_;
 113   return type == chromeos::LoginState::LOGGED_IN_USER_REGULAR ||
 114       type == chromeos::LoginState::LOGGED_IN_USER_OWNER;
 115 }
 116
 117 // Private methods
 118
 119 LoginState::LoginState() : logged_in_state_(LOGGED_IN_OOBE),
 120                            logged_in_user_type_(LOGGED_IN_USER_NONE) {
 121 }
 122
 123 LoginState::~LoginState() {
 124 }
 125
 126 void LoginState::NotifyObservers() {
 127   FOR_EACH_OBSERVER(LoginState::Observer, observer_list_,
 128                     LoggedInStateChanged());
 129 }
 130
 131 }  // namespace chromeos