mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Oleksandr Melnykov
3a721f48b1
Summary: Re-land of previous reverted commit. Changelog: [Internal] Reviewed By: cortinico, cipolleschi Differential Revision: D35843710 fbshipit-source-id: 3adde4fba2f2702ad5b85b3b52b2f68843c6c9f2
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <functional>
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#include <mutex>
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#include <react/renderer/mounting/MountingTransaction.h>
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#include <react/renderer/telemetry/TransactionTelemetry.h>
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namespace facebook {
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namespace react {
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class MountingCoordinator;
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using MountingTransactionCallback = std::function<void(
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MountingTransaction const &transaction,
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SurfaceTelemetry const &surfaceTelemetry)>;
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/*
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* Provides convenient tools for aggregating and accessing telemetry data
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* associated with running Surface.
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*/
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class TelemetryController final {
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friend class MountingCoordinator;
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/*
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* To be used by `MountingCoordinator`.
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*/
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TelemetryController(MountingCoordinator const &mountingCoordinator) noexcept;
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/*
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* Not copyable.
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*/
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TelemetryController(TelemetryController const &other) noexcept = delete;
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TelemetryController &operator=(TelemetryController const &other) noexcept =
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delete;
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public:
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/*
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* Calls `MountingCoordinator::pullTransaction()` and aggregates telemetry.
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*/
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bool pullTransaction(
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MountingTransactionCallback const &willMount,
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MountingTransactionCallback const &doMount,
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MountingTransactionCallback const &didMount) const;
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private:
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MountingCoordinator const &mountingCoordinator_;
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mutable SurfaceTelemetry compoundTelemetry_{};
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mutable std::mutex mutex_;
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};
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} // namespace react
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} // namespace facebook
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