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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 COMPONENTS_SHARING_MESSAGE_SHARING_SYNC_PREFERENCE_H_
#define COMPONENTS_SHARING_MESSAGE_SHARING_SYNC_PREFERENCE_H_
#include <stdint.h>
#include <map>
#include <optional>
#include <set>
#include <string>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "components/prefs/pref_change_registrar.h"
#include "components/sync_device_info/device_info.h"
namespace syncer {
class DeviceInfoSyncService;
class LocalDeviceInfoProvider;
} // namespace syncer
namespace user_prefs {
class PrefRegistrySyncable;
} // namespace user_prefs
class PrefService;
enum class SharingDevicePlatform;
// SharingSyncPreference manages all preferences related to Sharing using Sync,
// such as storing list of user devices synced via Chrome and VapidKey used
// for authentication.
class SharingSyncPreference {
public:
// FCM registration status of current device. Not synced across devices.
struct FCMRegistration {
FCMRegistration(std::optional<std::string> authorized_entity,
base::Time timestamp);
FCMRegistration(FCMRegistration&& other);
FCMRegistration& operator=(FCMRegistration&& other);
~FCMRegistration();
// Authorized entity registered with FCM.
std::optional<std::string> authorized_entity;
// Timestamp of latest registration.
base::Time timestamp;
};
SharingSyncPreference(
PrefService* prefs,
syncer::DeviceInfoSyncService* device_info_sync_service);
SharingSyncPreference(const SharingSyncPreference&) = delete;
SharingSyncPreference& operator=(const SharingSyncPreference&) = delete;
~SharingSyncPreference();
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
// Returns local SharingInfo to be uploaded to sync.
static std::optional<syncer::DeviceInfo::SharingInfo>
GetLocalSharingInfoForSync(PrefService* prefs);
// Returns VAPID key from preferences if present, otherwise returns
// std::nullopt.
// For more information on vapid keys, please see
// https://tools.ietf.org/html/draft-thomson-webpush-vapid-02
std::optional<std::vector<uint8_t>> GetVapidKey() const;
// Adds VAPID key to preferences for syncing across devices.
void SetVapidKey(const std::vector<uint8_t>& vapid_key) const;
// Observes for VAPID key changes. Replaces previously set observer.
void SetVapidKeyChangeObserver(const base::RepeatingClosure& obs);
// Clears previously set observer.
void ClearVapidKeyChangeObserver();
std::optional<FCMRegistration> GetFCMRegistration() const;
void SetFCMRegistration(FCMRegistration registration);
void ClearFCMRegistration();
void SetLocalSharingInfo(syncer::DeviceInfo::SharingInfo sharing_info);
void ClearLocalSharingInfo();
private:
friend class SharingSyncPreferenceTest;
raw_ptr<PrefService> prefs_;
raw_ptr<syncer::DeviceInfoSyncService> device_info_sync_service_;
raw_ptr<syncer::LocalDeviceInfoProvider> local_device_info_provider_;
PrefChangeRegistrar pref_change_registrar_;
};
#endif // COMPONENTS_SHARING_MESSAGE_SHARING_SYNC_PREFERENCE_H_
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