1 // Copyright 2020 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 ASH_CHILD_ACCOUNTS_PARENT_ACCESS_CONTROLLER_IMPL_H_
6 #define ASH_CHILD_ACCOUNTS_PARENT_ACCESS_CONTROLLER_IMPL_H_
7 
8 #include "ash/login/ui/pin_request_view.h"
9 #include "ash/login/ui/pin_request_widget.h"
10 #include "ash/public/cpp/child_accounts/parent_access_controller.h"
11 #include "base/memory/weak_ptr.h"
12 #include "base/time/time.h"
13 #include "components/account_id/account_id.h"
14 
15 namespace ash {
16 
17 // Implementation of ParentAccessController. It serves as a single point of
18 // access for PIN requests regarding parent access. It takes care of showing and
19 // hiding the PIN UI, as well as logging usage metrics.
20 class ASH_EXPORT ParentAccessControllerImpl : public ParentAccessController,
21                                               public PinRequestView::Delegate {
22  public:
23   // Actions that originated in parent access dialog. These values are persisted
24   // to metrics. Entries should not be renumbered and numeric values should
25   // never be reused.
26   enum class UMAAction {
27     kValidationSuccess = 0,
28     kValidationError = 1,
29     kCanceledByUser = 2,
30     kGetHelp = 3,
31     kMaxValue = kGetHelp,
32   };
33 
34   // Context in which parent access code was used. These values are persisted to
35   // metrics. Entries should not be reordered and numeric values should never be
36   // reused.
37   enum class UMAUsage {
38     kTimeLimits = 0,
39     kTimeChangeLoginScreen = 1,
40     kTimeChangeInSession = 2,
41     kTimezoneChange = 3,
42     kAddUserLoginScreen = 4,
43     kReauhLoginScreen = 5,
44     kMaxValue = kReauhLoginScreen,
45   };
46 
47   // Histogram to log actions that originated in parent access dialog.
48   static constexpr char kUMAParentAccessCodeAction[] =
49       "Supervision.ParentAccessCode.Action";
50 
51   // Histogram to log context in which parent access code was used.
52   static constexpr char kUMAParentAccessCodeUsage[] =
53       "Supervision.ParentAccessCode.Usage";
54 
55   ParentAccessControllerImpl();
56   ParentAccessControllerImpl(const ParentAccessControllerImpl&) = delete;
57   ParentAccessControllerImpl& operator=(const ParentAccessControllerImpl&) =
58       delete;
59   ~ParentAccessControllerImpl() override;
60 
61   // PinRequestView::Delegate:
62   PinRequestView::SubmissionResult OnPinSubmitted(
63       const std::string& pin) override;
64   void OnBack() override;
65   void OnHelp(gfx::NativeWindow parent_window) override;
66 
67   // ParentAccessController:
68   bool ShowWidget(const AccountId& child_account_id,
69                   PinRequest::OnPinRequestDone on_exit_callback,
70                   SupervisedAction action,
71                   bool extra_dimmer,
72                   base::Time validation_time) override;
73 
74  private:
75   AccountId account_id_;
76   SupervisedAction action_ = SupervisedAction::kUnlockTimeLimits;
77   base::Time validation_time_;
78 
79   base::WeakPtrFactory<ParentAccessControllerImpl> weak_factory_{this};
80 };
81 
82 }  // namespace ash
83 
84 #endif  // ASH_CHILD_ACCOUNTS_PARENT_ACCESS_CONTROLLER_IMPL_H_
85