jiuyiUniapp/service/node_modules/react-native/ReactCommon/react/renderer/mounting/TelemetryController.h

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/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <functional>
#include <mutex>
#include <react/renderer/mounting/MountingTransaction.h>
#include <react/renderer/telemetry/TransactionTelemetry.h>
namespace facebook::react {
class MountingCoordinator;
using MountingTransactionCallback = std::function<void(
const MountingTransaction& transaction,
const SurfaceTelemetry& surfaceTelemetry)>;
/*
* Provides convenient tools for aggregating and accessing telemetry data
* associated with running Surface.
*/
class TelemetryController final {
friend class MountingCoordinator;
/*
* To be used by `MountingCoordinator`.
*/
TelemetryController(const MountingCoordinator& mountingCoordinator) noexcept;
/*
* Not copyable.
*/
TelemetryController(const TelemetryController& other) noexcept = delete;
TelemetryController& operator=(const TelemetryController& other) noexcept =
delete;
public:
/*
* Calls `MountingCoordinator::pullTransaction()` and aggregates telemetry.
*/
bool pullTransaction(
const MountingTransactionCallback& willMount,
const MountingTransactionCallback& doMount,
const MountingTransactionCallback& didMount) const;
private:
const MountingCoordinator& mountingCoordinator_;
mutable SurfaceTelemetry compoundTelemetry_{};
mutable std::mutex mutex_;
};
} // namespace facebook::react