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/signin/screenlock_bridge.h"
  16 #include "components/user_manager/user.h"
  17 #include "ui/wm/core/user_activity_observer.h"
  18
  19 namespace chromeos {
  20
  21 class LoginDisplayWebUIHandler;
  22
  23 // This class represents User Selection screen: user pod-based login screen.
  24 class UserSelectionScreen : public wm::UserActivityObserver {
  25  public:
  26   UserSelectionScreen();
  27   virtual ~UserSelectionScreen();
  28
  29   static const user_manager::UserList PrepareUserListForSending(
  30       const user_manager::UserList& users,
  31       std::string owner,
  32       bool is_signin_to_add);
  33
  34   void SetHandler(LoginDisplayWebUIHandler* handler);
  35
  36   virtual void Init(const user_manager::UserList& users, bool show_guest);
  37   const user_manager::UserList& GetUsers() const;
  38   void OnUserImageChanged(const user_manager::User& user);
  39   void OnBeforeUserRemoved(const std::string& username);
  40   void OnUserRemoved(const std::string& username);
  41
  42   void OnPasswordClearTimerExpired();
  43   virtual void SendUserList();
  44   void HandleGetUsers();
  45   void SetAuthType(const std::string& username,
  46                    ScreenlockBridge::LockHandler::AuthType auth_type);
  47   ScreenlockBridge::LockHandler::AuthType GetAuthType(
  48       const std::string& username) const;
  49
  50   // wm::UserActivityDetector implementation:
  51   virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
  52
  53   // Fills |user_dict| with information about |user|.
  54   static void FillUserDictionary(
  55       user_manager::User* user,
  56       bool is_owner,
  57       bool is_signin_to_add,
  58       ScreenlockBridge::LockHandler::AuthType auth_type,
  59       const std::vector<std::string>* public_session_recommended_locales,
  60       base::DictionaryValue* user_dict);
  61
  62   // Determines if user auth status requires online sign in.
  63   static bool ShouldForceOnlineSignIn(const user_manager::User* user);
  64
  65  protected:
  66   LoginDisplayWebUIHandler* handler_;
  67
  68   // Map from public session user IDs to recommended locales set by policy.
  69   typedef std::map<std::string, std::vector<std::string> >
  70       PublicSessionRecommendedLocaleMap;
  71   PublicSessionRecommendedLocaleMap public_session_recommended_locales_;
  72
  73  private:
  74   // Whether to show guest login.
  75   bool show_guest_;
  76
  77   // Set of Users that are visible.
  78   user_manager::UserList users_;
  79
  80   // Map of usernames to their current authentication type. If a user is not
  81   // contained in the map, it is using the default authentication type.
  82   std::map<std::string, ScreenlockBridge::LockHandler::AuthType>
  83       user_auth_type_map_;
  84
  85   // Timer for measuring idle state duration before password clear.
  86   base::OneShotTimer<UserSelectionScreen> password_clear_timer_;
  87
  88   DISALLOW_COPY_AND_ASSIGN(UserSelectionScreen);
  89 };
  90
  91 }  // namespace chromeos
  92
  93 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_SELECTION_SCREEN_H_