1// Copyright (c) 2011 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_SCREEN_OBSERVER_H_
6#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_OBSERVER_H_
7#pragma once
8
9#include <string>
10
11namespace chromeos {
12
13// Interface that handles notifications received from any of login wizard
14// screens.
15class ScreenObserver {
16 public:
17  // Each login screen or a view shown within login wizard view is itself a
18  // state. Upon exit each view returns one of the results by calling
19  // OnExit() method. Depending on the result and the current view or state
20  // login wizard decides what is the next view to show. There must be an
21  // exit code for each way to exit the screen for each screen.
22  enum ExitCodes {
23    NETWORK_CONNECTED,
24    NETWORK_OFFLINE,
25    ACCOUNT_CREATE_BACK,
26    ACCOUNT_CREATED,
27    CONNECTION_FAILED,
28    UPDATE_INSTALLED,
29    UPDATE_NOUPDATE,
30    UPDATE_ERROR_CHECKING_FOR_UPDATE,
31    UPDATE_ERROR_UPDATING,
32    USER_IMAGE_SELECTED,
33    USER_IMAGE_SKIPPED,
34    EULA_ACCEPTED,
35    EULA_BACK,
36    REGISTRATION_SUCCESS,
37    REGISTRATION_SKIPPED,
38    ENTERPRISE_ENROLLMENT_CANCELLED,
39    ENTERPRISE_ENROLLMENT_COMPLETED,
40    EXIT_CODES_COUNT  // not a real code, must be the last
41  };
42
43  // Method called by a screen when user's done with it.
44  virtual void OnExit(ExitCodes exit_code) = 0;
45
46  // Notify about new user names and password. It is used to autologin
47  // just created user without asking the same info once again.
48  virtual void OnSetUserNamePassword(const std::string& username,
49                                     const std::string& password) = 0;
50
51  // Set/get usage statistics reporting checkbox status on EULA screen.
52  virtual void set_usage_statistics_reporting(bool val) = 0;
53  virtual bool usage_statistics_reporting() const = 0;
54
55 protected:
56  virtual ~ScreenObserver() {}
57};
58
59}  // namespace chromeos
60
61#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_OBSERVER_H_
62