user_selection_screen.h revision 116680a4aac90f2aa7413d9095a592090648e557 
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
11#include "base/bind.h"
12#include "base/compiler_specific.h"
13#include "base/timer/timer.h"
14#include "base/values.h"
15#include "chrome/browser/chromeos/login/users/user.h"
16#include "chrome/browser/signin/screenlock_bridge.h"
17#include "ui/wm/core/user_activity_observer.h"
18
19namespace chromeos {
20
21class LoginDisplayWebUIHandler;
22
23// This class represents User Selection screen: user pod-based login screen.
24class UserSelectionScreen : public wm::UserActivityObserver {
25 public:
26  UserSelectionScreen();
27  virtual ~UserSelectionScreen();
28
29  static const UserList PrepareUserListForSending(
30      const UserList& users,
31      std::string owner,
32      bool is_signin_to_add);
33
34  void SetHandler(LoginDisplayWebUIHandler* handler);
35
36  void Init(const UserList& users, bool show_guest);
37  const UserList& GetUsers() const;
38  void OnUserImageChanged(const User& user);
39  void OnBeforeUserRemoved(const std::string& username);
40  void OnUserRemoved(const std::string& username);
41
42  void OnPasswordClearTimerExpired();
43  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* user,
56      bool is_owner,
57      bool is_signin_to_add,
58      ScreenlockBridge::LockHandler::AuthType auth_type,
59      base::DictionaryValue* user_dict);
60
61  // Determines if user auth status requires online sign in.
62  static bool ShouldForceOnlineSignIn(const User* user);
63
64 private:
65  LoginDisplayWebUIHandler* handler_;
66
67  // Set of Users that are visible.
68  UserList users_;
69
70  // Whether to show guest login.
71  bool show_guest_;
72
73  // Map of usernames to their current authentication type. If a user is not
74  // contained in the map, it is using the default authentication type.
75  std::map<std::string, ScreenlockBridge::LockHandler::AuthType>
76      user_auth_type_map_;
77
78  // Timer for measuring idle state duration before password clear.
79  base::OneShotTimer<UserSelectionScreen> password_clear_timer_;
80
81  DISALLOW_COPY_AND_ASSIGN(UserSelectionScreen);
82};
83
84}  // namespace chromeos
85
86#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_SELECTION_SCREEN_H_
87