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

   1 // Copyright 2014 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 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_SELECTION_SCREEN_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_SELECTION_SCREEN_H_
   7
   8 #include <map>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/compiler_specific.h"
  13 #include "base/timer/timer.h"
  14 #include "base/values.h"
  15 #include "chrome/browser/chromeos/login/signin/token_handle_util.h"
  16 #include "chrome/browser/chromeos/login/ui/login_display.h"
  17 #include "chrome/browser/chromeos/login/ui/models/user_board_model.h"
  18 #include "components/proximity_auth/screenlock_bridge.h"
  19 #include "components/user_manager/user.h"
  20 #include "components/user_manager/user_id.h"
  21 #include "ui/base/user_activity/user_activity_observer.h"
  22
  23 class EasyUnlockService;
  24
  25 namespace chromeos {
  26
  27 class LoginDisplayWebUIHandler;
  28 class UserBoardView;
  29
  30 // This class represents User Selection screen: user pod-based login screen.
  31 class UserSelectionScreen
  32     : public ui::UserActivityObserver,
  33       public proximity_auth::ScreenlockBridge::LockHandler,
  34       public UserBoardModel {
  35  public:
  36   explicit UserSelectionScreen(const std::string& display_type);
  37   ~UserSelectionScreen() override;
  38
  39   void SetLoginDisplayDelegate(LoginDisplay::Delegate* login_display_delegate);
  40   void SetHandler(LoginDisplayWebUIHandler* handler);
  41   void SetView(UserBoardView* view);
  42
  43   static const user_manager::UserList PrepareUserListForSending(
  44       const user_manager::UserList& users,
  45       std::string owner,
  46       bool is_signin_to_add);
  47
  48
  49   virtual void Init(const user_manager::UserList& users, bool show_guest);
  50   const user_manager::UserList& GetUsers() const;
  51   void OnUserImageChanged(const user_manager::User& user);
  52   void OnBeforeUserRemoved(const std::string& username);
  53   void OnUserRemoved(const std::string& username);
  54
  55   void OnPasswordClearTimerExpired();
  56
  57   void HandleGetUsers();
  58   void CheckUserStatus(const std::string& user_id);
  59
  60   // ui::UserActivityDetector implementation:
  61   void OnUserActivity(const ui::Event* event) override;
  62
  63   void InitEasyUnlock();
  64
  65   // proximity_auth::ScreenlockBridge::LockHandler implementation:
  66   void ShowBannerMessage(const base::string16& message) override;
  67   void ShowUserPodCustomIcon(
  68       const std::string& user_email,
  69       const proximity_auth::ScreenlockBridge::UserPodCustomIconOptions& icon)
  70       override;
  71   void HideUserPodCustomIcon(const std::string& user_email) override;
  72
  73   void EnableInput() override;
  74   void SetAuthType(const std::string& user_email,
  75                    AuthType auth_type,
  76                    const base::string16& auth_value) override;
  77   AuthType GetAuthType(const std::string& user_email) const override;
  78   ScreenType GetScreenType() const override;
  79
  80   void Unlock(const std::string& user_email) override;
  81   void AttemptEasySignin(const std::string& user_email,
  82                          const std::string& secret,
  83                          const std::string& key_label) override;
  84
  85   // UserBoardModel implementation.
  86   void SendUserList() override;
  87   void HardLockPod(const std::string& user_id) override;
  88   void AttemptEasyUnlock(const std::string& user_id) override;
  89   void RecordClickOnLockIcon(const std::string& user_id) override;
  90
  91   // Fills |user_dict| with information about |user|.
  92   static void FillUserDictionary(
  93       user_manager::User* user,
  94       bool is_owner,
  95       bool is_signin_to_add,
  96       AuthType auth_type,
  97       const std::vector<std::string>* public_session_recommended_locales,
  98       base::DictionaryValue* user_dict);
  99
 100   // Fills |user_dict| with |user| known preferences.
 101   static void FillKnownUserPrefs(user_manager::User* user,
 102                                  base::DictionaryValue* user_dict);
 103
 104   // Fills |user_dict| with |user| multi-profile related preferences.
 105   static void FillMultiProfileUserPrefs(user_manager::User* user,
 106                                         base::DictionaryValue* user_dict,
 107                                         bool is_signin_to_add);
 108
 109   // Determines if user auth status requires online sign in.
 110   static bool ShouldForceOnlineSignIn(const user_manager::User* user);
 111
 112  protected:
 113   LoginDisplayWebUIHandler* handler_;
 114   LoginDisplay::Delegate* login_display_delegate_;
 115   UserBoardView* view_;
 116
 117   // Map from public session user IDs to recommended locales set by policy.
 118   typedef std::map<std::string, std::vector<std::string> >
 119       PublicSessionRecommendedLocaleMap;
 120   PublicSessionRecommendedLocaleMap public_session_recommended_locales_;
 121
 122  private:
 123   EasyUnlockService* GetEasyUnlockServiceForUser(
 124       const std::string& user_id) const;
 125
 126   void OnUserStatusChecked(const user_manager::UserID& user_id,
 127                            TokenHandleUtil::TokenHandleStatus status);
 128
 129   // Whether to show guest login.
 130   bool show_guest_;
 131
 132   // Purpose of the screen (see constants in OobeUI).
 133   const std::string display_type_;
 134
 135   // Set of Users that are visible.
 136   user_manager::UserList users_;
 137
 138   // Map of usernames to their current authentication type. If a user is not
 139   // contained in the map, it is using the default authentication type.
 140   std::map<std::string, proximity_auth::ScreenlockBridge::LockHandler::AuthType>
 141       user_auth_type_map_;
 142
 143   // Timer for measuring idle state duration before password clear.
 144   base::OneShotTimer<UserSelectionScreen> password_clear_timer_;
 145
 146   // Token handler util for checking user OAuth token status.
 147   scoped_ptr<TokenHandleUtil> token_handle_util_;
 148
 149   base::WeakPtrFactory<UserSelectionScreen> weak_factory_;
 150
 151   DISALLOW_COPY_AND_ASSIGN(UserSelectionScreen);
 152 };
 153
 154 }  // namespace chromeos
 155
 156 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_SELECTION_SCREEN_H_