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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_CHILD_ACCOUNTS_PARENT_ACCESS_CODE_PARENT_ACCESS_SERVICE_H_
#define CHROME_BROWSER_ASH_CHILD_ACCOUNTS_PARENT_ACCESS_CODE_PARENT_ACCESS_SERVICE_H_
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "base/no_destructor.h"
#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "chrome/browser/ash/child_accounts/parent_access_code/config_source.h"
#include "components/account_id/account_id.h"
class PrefRegistrySimple;
namespace ash {
enum class ParentCodeValidationResult;
enum class SupervisedAction;
namespace parent_access {
// Parent access code validation service.
class ParentAccessService {
public:
// Observer that gets notified about attempts to validate parent access code.
class Observer : public base::CheckedObserver {
public:
// Called when access code validation was performed. |result| is true if
// validation finished with a success and false otherwise. |account_id| is
// forwarded from the ValidateParentAccessCode method that triggered this
// event, when it is filled it means that the validation happened
// specifically to the account identified by the parameter.
virtual void OnAccessCodeValidation(
ParentCodeValidationResult result,
std::optional<AccountId> account_id) = 0;
};
// Registers preferences.
static void RegisterProfilePrefs(PrefRegistrySimple* registry);
// Gets the service singleton.
static ParentAccessService& Get();
ParentAccessService(const ParentAccessService&) = delete;
ParentAccessService& operator=(const ParentAccessService&) = delete;
// Checks if the provided |action| requires parental approval to be performed.
// Requires owner_account_id to be available in the UserManager, so if calling
// close to startup, ensure owner account is set before calling.
static bool IsApprovalRequired(SupervisedAction action);
// Checks if |access_code| is valid for the user identified by |account_id|.
// When account_id is empty, this method checks if the |access_code| is valid
// for any child that was added to this device. |validation_time| is the time
// that will be used to validate the code, it will succeed if the code was
// valid this given time.
ParentCodeValidationResult ValidateParentAccessCode(
const AccountId& account_id,
const std::string& access_code,
base::Time validation_time);
// Reloads config for the provided user.
void LoadConfigForUser(const user_manager::User* user);
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
private:
friend class base::NoDestructor<ParentAccessService>;
ParentAccessService();
~ParentAccessService();
void NotifyObservers(ParentCodeValidationResult validation_result,
const AccountId& account_id);
// Provides configurations to be used for validation of access codes.
ConfigSource config_source_;
base::ObserverList<Observer> observers_;
};
} // namespace parent_access
} // namespace ash
#endif // CHROME_BROWSER_ASH_CHILD_ACCOUNTS_PARENT_ACCESS_CODE_PARENT_ACCESS_SERVICE_H_
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