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- // Copyright 2014 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_LOCAL_DEVICE_INFO_PROVIDER_H_
- #define COMPONENTS_SYNC_DEVICE_INFO_LOCAL_DEVICE_INFO_PROVIDER_H_
- #include <memory>
- #include <string>
- #include "base/callback_list.h"
- #include "components/sync/base/model_type.h"
- #include "components/version_info/version_info.h"
- namespace syncer {
- class DeviceInfo;
- // Interface for providing sync specific information about the
- // local device.
- class LocalDeviceInfoProvider {
- public:
- virtual ~LocalDeviceInfoProvider() = default;
- virtual version_info::Channel GetChannel() const = 0;
- // Returns sync's representation of the local device info, or nullptr if the
- // device info is unavailable (e.g. Initialize() hasn't been called). The
- // returned object is fully owned by LocalDeviceInfoProvider; it must not be
- // freed by the caller and should not be stored.
- virtual const DeviceInfo* GetLocalDeviceInfo() const = 0;
- // Registers a callback to be called when local device info becomes available.
- // The callback will remain registered until the returned subscription is
- // destroyed, which must occur before the CallbackList is destroyed.
- [[nodiscard]] virtual base::CallbackListSubscription
- RegisterOnInitializedCallback(const base::RepeatingClosure& callback) = 0;
- };
- class MutableLocalDeviceInfoProvider : public LocalDeviceInfoProvider {
- public:
- // Initialize initializes the LocalDeviceInfoProvider using the given values.
- // The |device_info_restored_from_store| argument contains a previous
- // DeviceInfo loaded from the store and may be nullptr if unavailable. If
- // provided it is only used as a fallback and the provided arguments, and data
- // from the DeviceInfoSyncClient, take precedence.
- virtual void Initialize(
- const std::string& cache_guid,
- const std::string& client_name,
- const std::string& manufacturer_name,
- const std::string& model_name,
- const std::string& full_hardware_class,
- std::unique_ptr<DeviceInfo> device_info_restored_from_store) = 0;
- virtual void Clear() = 0;
- // Updates the local device's client name. Initialize() must be called before
- // calling this function.
- virtual void UpdateClientName(const std::string& client_name) = 0;
- };
- } // namespace syncer
- #endif // COMPONENTS_SYNC_DEVICE_INFO_LOCAL_DEVICE_INFO_PROVIDER_H_
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