chromium/components/saved_tab_groups/tab_group_sync_metrics_logger.h

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SAVED_TAB_GROUPS_TAB_GROUP_SYNC_METRICS_LOGGER_H_
#define COMPONENTS_SAVED_TAB_GROUPS_TAB_GROUP_SYNC_METRICS_LOGGER_H_

#include <optional>
#include <string>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "components/saved_tab_groups/types.h"
#include "components/sync_device_info/device_info.h"
#include "components/sync_device_info/device_info_tracker.h"

namespace tab_groups {
class SavedTabGroup;
class SavedTabGroupTab;

// LINT.IfChange(DeviceType)
// Represents device types which can be a local device or a remote device.
// If it is a local device, only `kLocal` will be captured.
// If it is a remote device, the OS and form factor will be captured.
// Used for metrics only. Used in relation to a cache guid attribution which
// is mapped to a device type for metrics purposes. These values are persisted
// to logs. Entries should not be renumbered and numeric values should never be
// reused.
enum class DeviceType { … };
// LINT.ThenChange(//tools/metrics/histograms/metadata/tab/enums.xml:DeviceType)

// Class to record histograms for events related to tab group sync,
// capturing information about the originating device type and form factor.
class TabGroupSyncMetricsLogger { … };

}  // namespace tab_groups

#endif  // COMPONENTS_SAVED_TAB_GROUPS_TAB_GROUP_SYNC_METRICS_LOGGER_H_