1// Copyright (c) 2012 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_WEBUI_LOGIN_DISPLAY_H_
6#define CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_DISPLAY_H_
7
8#include <string>
9#include <vector>
10
11#include "ash/wm/user_activity_observer.h"
12#include "base/compiler_specific.h"
13#include "base/timer/timer.h"
14#include "chrome/browser/chromeos/login/login_display.h"
15#include "chrome/browser/chromeos/login/user.h"
16#include "chrome/browser/ui/webui/chromeos/login/native_window_delegate.h"
17#include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
18#include "ui/views/widget/widget.h"
19
20namespace chromeos {
21// WebUI-based login UI implementation.
22class WebUILoginDisplay : public LoginDisplay,
23                          public NativeWindowDelegate,
24                          public SigninScreenHandlerDelegate,
25                          public ash::UserActivityObserver {
26 public:
27  explicit WebUILoginDisplay(LoginDisplay::Delegate* delegate);
28  virtual ~WebUILoginDisplay();
29
30  // LoginDisplay implementation:
31  virtual void ClearAndEnablePassword() OVERRIDE;
32  virtual void Init(const UserList& users,
33                    bool show_guest,
34                    bool show_users,
35                    bool show_new_user) OVERRIDE;
36  virtual void OnPreferencesChanged() OVERRIDE;
37  virtual void OnBeforeUserRemoved(const std::string& username) OVERRIDE;
38  virtual void OnUserImageChanged(const User& user) OVERRIDE;
39  virtual void OnUserRemoved(const std::string& username) OVERRIDE;
40  virtual void OnFadeOut() OVERRIDE;
41  virtual void OnLoginSuccess(const std::string& username) OVERRIDE;
42  virtual void SetUIEnabled(bool is_enabled) OVERRIDE;
43  virtual void SelectPod(int index) OVERRIDE;
44  virtual void ShowError(int error_msg_id,
45                         int login_attempts,
46                         HelpAppLauncher::HelpTopic help_topic_id) OVERRIDE;
47  virtual void ShowErrorScreen(LoginDisplay::SigninError error_id) OVERRIDE;
48  virtual void ShowGaiaPasswordChanged(const std::string& username) OVERRIDE;
49  virtual void ShowPasswordChangedDialog(bool show_password_error) OVERRIDE;
50  virtual void ShowSigninUI(const std::string& email) OVERRIDE;
51
52  // NativeWindowDelegate implementation:
53  virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE;
54
55  // SigninScreenHandlerDelegate implementation:
56  virtual void CancelPasswordChangedFlow() OVERRIDE;
57  virtual void CancelUserAdding() OVERRIDE;
58  virtual void CreateAccount() OVERRIDE;
59  virtual void CompleteLogin(const UserContext& user_context) OVERRIDE;
60  virtual void Login(const UserContext& user_context) OVERRIDE;
61  virtual void LoginAsRetailModeUser() OVERRIDE;
62  virtual void LoginAsGuest() OVERRIDE;
63  virtual void MigrateUserData(const std::string& old_password) OVERRIDE;
64  virtual void LoginAsPublicAccount(const std::string& username) OVERRIDE;
65  virtual void LoadWallpaper(const std::string& username) OVERRIDE;
66  virtual void LoadSigninWallpaper() OVERRIDE;
67  virtual void OnSigninScreenReady() OVERRIDE;
68  virtual void RemoveUser(const std::string& username) OVERRIDE;
69  virtual void ResyncUserData() OVERRIDE;
70  virtual void ShowEnterpriseEnrollmentScreen() OVERRIDE;
71  virtual void ShowKioskEnableScreen() OVERRIDE;
72  virtual void ShowResetScreen() OVERRIDE;
73  virtual void ShowKioskAutolaunchScreen() OVERRIDE;
74  virtual void ShowWrongHWIDScreen() OVERRIDE;
75  virtual void SetWebUIHandler(
76      LoginDisplayWebUIHandler* webui_handler) OVERRIDE;
77  virtual void ShowSigninScreenForCreds(const std::string& username,
78                                        const std::string& password);
79  virtual const UserList& GetUsers() const OVERRIDE;
80  virtual bool IsShowGuest() const OVERRIDE;
81  virtual bool IsShowUsers() const OVERRIDE;
82  virtual bool IsShowNewUser() const OVERRIDE;
83  virtual bool IsSigninInProgress() const OVERRIDE;
84  virtual bool IsUserSigninCompleted() const OVERRIDE;
85  virtual void SetDisplayEmail(const std::string& email) OVERRIDE;
86  virtual void Signout() OVERRIDE;
87
88  // UserActivityDetector implementation:
89  virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
90
91 private:
92  void StartPasswordClearTimer();
93  void OnPasswordClearTimerExpired();
94
95  // Set of Users that are visible.
96  UserList users_;
97
98  // Whether to show guest login.
99  bool show_guest_;
100
101  // Weather to show the user pads or a plain credentials dialogue.
102  bool show_users_;
103
104  // Whether to show add new user.
105  bool show_new_user_;
106
107  // Timer for measuring idle state duration before password clear.
108  base::OneShotTimer<WebUILoginDisplay> password_clear_timer_;
109
110  // Reference to the WebUI handling layer for the login screen
111  LoginDisplayWebUIHandler* webui_handler_;
112
113  DISALLOW_COPY_AND_ASSIGN(WebUILoginDisplay);
114};
115
116}  // namespace chromeos
117
118#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_DISPLAY_H_
119