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// Copyright 2020 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_FAMILY_USER_DEVICE_METRICS_H_
#define CHROME_BROWSER_ASH_CHILD_ACCOUNTS_FAMILY_USER_DEVICE_METRICS_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ash/child_accounts/family_user_metrics_service.h"
#include "chrome/browser/ash/settings/device_settings_service.h"
#include "components/session_manager/core/session_manager_observer.h"
namespace user_manager {
class UserManager;
} // namespace user_manager
namespace ash {
// A class for recording device metrics:
// - FamilyUser.NewUserAdded: Report NewUserAdded enum when a new user is added
// to the Chrome OS device. Recorded when user session starts.
// - FamilyUser.DeviceOwner: Boolean value indicates whether the primary
// user is the owner of device. Recorded at the beginning of the first active
// session daily.
// - FamilyUser.GaiaUsersCount: the number of Gaia users on the device.
// Recorded at the beginning of the first active session daily. The user count
// could be 0 if the managed device has ephemeral user policy.
// - FamilyUser.FamilyLinkUsersCount: the number of family link users on the
// device. Recorded at the beginning of the first active session daily.
class FamilyUserDeviceMetrics : public session_manager::SessionManagerObserver,
public FamilyUserMetricsService::Observer,
public DeviceSettingsService::Observer {
public:
// These enum values represent the new user type added to the device. These
// values would be logged to UMA. Entries should not be renumbered and numeric
// values should never be reused. Please keep in sync with "NewUserAdded" in
// src/tools/metrics/histograms/enums.xml.
enum class NewUserAdded {
kOtherUserAdded = 0,
kFamilyLinkUserAdded = 1,
kRegularUserAdded = 2,
kMaxValue = kRegularUserAdded
};
FamilyUserDeviceMetrics();
FamilyUserDeviceMetrics(const FamilyUserDeviceMetrics&) = delete;
FamilyUserDeviceMetrics& operator=(const FamilyUserDeviceMetrics&) = delete;
~FamilyUserDeviceMetrics() override;
static const char* GetNewUserAddedHistogramNameForTest();
static const char* GetDeviceOwnerHistogramNameForTest();
static const char* GetFamilyLinkUsersCountHistogramNameForTest();
static const char* GetGaiaUsersCountHistogramNameForTest();
// FamilyUserMetricsService::Observer:
void OnNewDay() override;
// DeviceSettingsService::Observer:
void OwnershipStatusChanged() override;
// session_manager::SessionManagerObserver:
void OnUserSessionStarted(bool is_primary_user) override;
private:
void ReportDeviceOwnership();
const raw_ptr<const user_manager::UserManager> user_manager_;
base::WeakPtrFactory<FamilyUserDeviceMetrics> weak_factory_{this};
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_CHILD_ACCOUNTS_FAMILY_USER_DEVICE_METRICS_H_
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