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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_DEVICE_SOURCE_SYNC_H_
#define COMPONENTS_SHARING_MESSAGE_SHARING_DEVICE_SOURCE_SYNC_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/sharing_message/sharing_device_source.h"
#include "components/sync_device_info/device_info_tracker.h"
#include "components/sync_device_info/local_device_info_provider.h"
namespace syncer {
class SyncService;
class DeviceInfo;
class DeviceInfoTracker;
} // namespace syncer
class SharingDeviceSourceSync : public SharingDeviceSource,
public syncer::DeviceInfoTracker::Observer {
public:
SharingDeviceSourceSync(
syncer::SyncService* sync_service,
syncer::LocalDeviceInfoProvider* local_device_info_provider,
syncer::DeviceInfoTracker* device_info_tracker);
SharingDeviceSourceSync(const SharingDeviceSourceSync&) = delete;
SharingDeviceSourceSync& operator=(const SharingDeviceSourceSync&) = delete;
~SharingDeviceSourceSync() override;
// SharingDeviceSource:
bool IsReady() override;
std::optional<SharingTargetDeviceInfo> GetDeviceByGuid(
const std::string& guid) override;
std::vector<SharingTargetDeviceInfo> GetDeviceCandidates(
sync_pb::SharingSpecificFields::EnabledFeatures required_feature)
override;
// syncer::DeviceInfoTracker::Observer:
void OnDeviceInfoChange() override;
// Used to fake client names in integration tests.
void SetDeviceInfoTrackerForTesting(syncer::DeviceInfoTracker* tracker);
private:
void InitPersonalizableLocalDeviceName(
std::string personalizable_local_device_name);
// Called by |local_device_info_provider_| when it is ready.
void OnLocalDeviceInfoProviderReady();
// Deduplicates devices based on their full name. For devices with duplicate
// full names, only the most recently updated device is returned. All devices
// are renamed to either their short name if that one is unique, or their full
// name otherwise. The returned list is sorted in (not strictly) descending
// order by last_updated_timestamp.
std::vector<SharingTargetDeviceInfo> ConvertAndDeduplicateDevices(
std::vector<const syncer::DeviceInfo*> devices) const;
std::vector<const syncer::DeviceInfo*> FilterDeviceCandidates(
std::vector<const syncer::DeviceInfo*> devices,
sync_pb::SharingSpecificFields::EnabledFeatures required_feature) const;
raw_ptr<syncer::SyncService> sync_service_;
raw_ptr<syncer::LocalDeviceInfoProvider> local_device_info_provider_;
raw_ptr<syncer::DeviceInfoTracker> device_info_tracker_;
base::CallbackListSubscription local_device_info_ready_subscription_;
// The personalized name is stored for deduplicating devices running older
// clients.
std::optional<std::string> personalizable_local_device_name_;
base::WeakPtrFactory<SharingDeviceSourceSync> weak_ptr_factory_{this};
};
#endif // COMPONENTS_SHARING_MESSAGE_SHARING_DEVICE_SOURCE_SYNC_H_
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