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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.
AlwaysLoggedInByDefault()19 bool AlwaysLoggedInByDefault() {
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
Initialize()29 void LoginState::Initialize() {
30   CHECK(!g_login_state);
31   g_login_state = new LoginState();
32 }
33 
34 // static
Shutdown()35 void LoginState::Shutdown() {
36   CHECK(g_login_state);
37   delete g_login_state;
38   g_login_state = NULL;
39 }
40 
41 // static
Get()42 LoginState* LoginState::Get() {
43   CHECK(g_login_state) << "LoginState::Get() called before Initialize()";
44   return g_login_state;
45 }
46 
47 // static
IsInitialized()48 bool LoginState::IsInitialized() {
49   return g_login_state;
50 }
51 
AddObserver(Observer * observer)52 void LoginState::AddObserver(Observer* observer) {
53   observer_list_.AddObserver(observer);
54 }
55 
RemoveObserver(Observer * observer)56 void LoginState::RemoveObserver(Observer* observer) {
57   observer_list_.RemoveObserver(observer);
58 }
59 
SetLoggedInState(LoggedInState state,LoggedInUserType type)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 
GetLoggedInUserType() const70 LoginState::LoggedInUserType LoginState::GetLoggedInUserType() const {
71   return logged_in_user_type_;
72 }
73 
IsUserLoggedIn() const74 bool LoginState::IsUserLoggedIn() const {
75   if (always_logged_in_)
76     return true;
77   return logged_in_state_ == LOGGED_IN_ACTIVE;
78 }
79 
IsInSafeMode() const80 bool LoginState::IsInSafeMode() const {
81   DCHECK(!always_logged_in_ || logged_in_state_ != LOGGED_IN_SAFE_MODE);
82   return logged_in_state_ == LOGGED_IN_SAFE_MODE;
83 }
84 
IsGuestUser() const85 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 
IsUserAuthenticated() const104 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 
IsUserGaiaAuthenticated() const111 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 
LoginState()119 LoginState::LoginState() : logged_in_state_(LOGGED_IN_OOBE),
120                            logged_in_user_type_(LOGGED_IN_USER_NONE),
121                            always_logged_in_(AlwaysLoggedInByDefault()) {
122 }
123 
~LoginState()124 LoginState::~LoginState() {
125 }
126 
NotifyObservers()127 void LoginState::NotifyObservers() {
128   FOR_EACH_OBSERVER(LoginState::Observer, observer_list_,
129                     LoggedInStateChanged());
130 }
131 
132 }  // namespace chromeos
133