user_selection_screen.h revision 46d4c2bc3267f3f028f39e7e311b0f89aba2e4fd 
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  void SetHandler(LoginDisplayWebUIHandler* handler);
30
31  void Init(const UserList& users, bool show_guest);
32  const UserList& GetUsers() const;
33  void OnUserImageChanged(const User& user);
34  void OnBeforeUserRemoved(const std::string& username);
35  void OnUserRemoved(const std::string& username);
36
37  void OnPasswordClearTimerExpired();
38  void SendUserList(bool animated);
39  void HandleGetUsers();
40  void SetAuthType(const std::string& username,
41                   ScreenlockBridge::LockHandler::AuthType auth_type);
42  ScreenlockBridge::LockHandler::AuthType GetAuthType(
43      const std::string& username) const;
44
45  // wm::UserActivityDetector implementation:
46  virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
47
48  // Fills |user_dict| with information about |user|.
49  static void FillUserDictionary(
50      User* user,
51      bool is_owner,
52      bool is_signin_to_add,
53      ScreenlockBridge::LockHandler::AuthType auth_type,
54      base::DictionaryValue* user_dict);
55
56  // Determines if user auth status requires online sign in.
57  static bool ShouldForceOnlineSignIn(const User* user);
58
59 private:
60  LoginDisplayWebUIHandler* handler_;
61
62  // Set of Users that are visible.
63  UserList users_;
64
65  // Whether to show guest login.
66  bool show_guest_;
67
68  // Map of usernames to their current authentication type. If a user is not
69  // contained in the map, it is using the default authentication type.
70  std::map<std::string, ScreenlockBridge::LockHandler::AuthType>
71      user_auth_type_map_;
72
73  // Timer for measuring idle state duration before password clear.
74  base::OneShotTimer<UserSelectionScreen> password_clear_timer_;
75
76  DISALLOW_COPY_AND_ASSIGN(UserSelectionScreen);
77};
78
79}  // namespace chromeos
80
81#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_USER_SELECTION_SCREEN_H_
82