components/sync_device_info/device_info_sync_client.h

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SYNC_DEVICE_INFO_DEVICE_INFO_SYNC_CLIENT_H_
#define COMPONENTS_SYNC_DEVICE_INFO_DEVICE_INFO_SYNC_CLIENT_H_

#include <string>
#include "base/macros.h"
#include "components/sync/base/model_type.h"
#include "components/sync_device_info/device_info.h"
#include "third_party/abseil-cpp/absl/types/optional.h"

namespace syncer {

// Interface for clients of DeviceInfoSyncService.
class DeviceInfoSyncClient {
 public:
  DeviceInfoSyncClient();

  DeviceInfoSyncClient(const DeviceInfoSyncClient&) = delete;
  DeviceInfoSyncClient& operator=(const DeviceInfoSyncClient&) = delete;

  virtual ~DeviceInfoSyncClient();

  virtual std::string GetSigninScopedDeviceId() const = 0;
  virtual bool GetSendTabToSelfReceivingEnabled() const = 0;
  virtual absl::optional<DeviceInfo::SharingInfo> GetLocalSharingInfo()
      const = 0;

  // Returns current FCM registration token if known, empty if the invalidation
  // service is not enabled. absl::nullopt will be returned if the token has
  // been requested but hasn't been retrieved yet.
  virtual absl::optional<std::string> GetFCMRegistrationToken() const = 0;

  // A list of enabled data types, absl::nullopt if the invalidation service is
  // not initialized yet.
  virtual absl::optional<ModelTypeSet> GetInterestedDataTypes() const = 0;

  // Returns registration information for using a phone-as-a-security-key.
  virtual absl::optional<DeviceInfo::PhoneAsASecurityKeyInfo>
  GetPhoneAsASecurityKeyInfo() const = 0;

  // Returns whether a CrOS device has User Metric Analysis (UMA) enabled.
  // Returns false if method is called on non-CrOS device.
  virtual bool IsUmaEnabledOnCrOSDevice() const = 0;
};

}  // namespace syncer

#endif  // COMPONENTS_SYNC_DEVICE_INFO_DEVICE_INFO_SYNC_CLIENT_H_