enrollment_screen.h revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d 
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_ENROLLMENT_ENROLLMENT_SCREEN_H_
6#define CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENROLLMENT_SCREEN_H_
7
8#include <string>
9
10#include "base/basictypes.h"
11#include "base/compiler_specific.h"
12#include "base/memory/weak_ptr.h"
13#include "base/observer_list.h"
14#include "chrome/browser/chromeos/login/enrollment/enrollment_screen_actor.h"
15#include "chrome/browser/chromeos/login/screens/wizard_screen.h"
16#include "chrome/browser/policy/cloud/cloud_policy_constants.h"
17
18namespace chromeos {
19
20class ScreenObserver;
21
22// The screen implementation that links the enterprise enrollment UI into the
23// OOBE wizard.
24class EnrollmentScreen
25    : public WizardScreen,
26      public EnrollmentScreenActor::Controller {
27 public:
28  // Used in PyAuto testing.
29  class TestingObserver {
30   public:
31    virtual ~TestingObserver() {}
32
33    // Notifies observers of a change in enrollment state.
34    virtual void OnEnrollmentComplete(bool succeeded) = 0;
35  };
36
37  EnrollmentScreen(ScreenObserver* observer,
38                   EnrollmentScreenActor* actor);
39  virtual ~EnrollmentScreen();
40
41  void SetParameters(bool is_auto_enrollment,
42                     bool can_exit_enrollment,
43                     const std::string& enrollment_user);
44
45  // WizardScreen implementation:
46  virtual void PrepareToShow() OVERRIDE;
47  virtual void Show() OVERRIDE;
48  virtual void Hide() OVERRIDE;
49  virtual std::string GetName() const OVERRIDE;
50
51  // EnrollmentScreenActor::Controller implementation:
52  virtual void OnLoginDone(const std::string& user) OVERRIDE;
53  virtual void OnAuthError(const GoogleServiceAuthError& error) OVERRIDE;
54  virtual void OnOAuthTokenAvailable(const std::string& oauth_token) OVERRIDE;
55  virtual void OnRetry() OVERRIDE;
56  virtual void OnCancel() OVERRIDE;
57  virtual void OnConfirmationClosed() OVERRIDE;
58
59  // Used for testing.
60  EnrollmentScreenActor* GetActor() {
61    return actor_;
62  }
63
64  // Used for testing.
65  void AddTestingObserver(TestingObserver* observer);
66  void RemoveTestingObserver(TestingObserver* observer);
67
68 private:
69  // Starts the Lockbox storage process.
70  void WriteInstallAttributesData();
71
72  // Kicks off the policy infrastructure to register with the service.
73  void RegisterForDevicePolicy(const std::string& token);
74
75  // Handles enrollment completion. Logs a UMA sample and requests the actor to
76  // show the specified enrollment status.
77  void ReportEnrollmentStatus(policy::EnrollmentStatus status);
78
79  // Logs a UMA event in the kMetricEnrollment histogram. If auto-enrollment is
80  // on |sample| is ignored and a kMetricEnrollmentAutoFailed sample is logged
81  // instead.
82  void UMAFailure(int sample);
83
84  // Shows the signin screen. Used as a callback to run after auth reset.
85  void ShowSigninScreen();
86
87  // Notifies testing observers about the result of the enrollment.
88  void NotifyTestingObservers(bool succeeded);
89
90  EnrollmentScreenActor* actor_;
91  bool is_auto_enrollment_;
92  bool can_exit_enrollment_;
93  bool enrollment_failed_once_;
94  std::string user_;
95  int lockbox_init_duration_;
96  base::WeakPtrFactory<EnrollmentScreen> weak_ptr_factory_;
97
98  // Observers.
99  ObserverList<TestingObserver, true> observers_;
100
101  DISALLOW_COPY_AND_ASSIGN(EnrollmentScreen);
102};
103
104}  // namespace chromeos
105
106#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENROLLMENT_SCREEN_H_
107