mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Samuel Susla
79090c4802
Summary: We need to do this to break a dependency cycle that would happen if we try to have `view` depend on `mounting` just to add some telemetry to `view`. Changelog: [Internal] Fabric-specific internal change. Reviewed By: mdvacca Differential Revision: D26827446 fbshipit-source-id: 4c415ebf5be3a02c18c80ea8a4a77068cae0f0fe
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) Facebook, Inc. and its 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/mounting/MountingTransactionMetadata.h>
|
|
#include <react/renderer/telemetry/TransactionTelemetry.h>
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
class MountingCoordinator;
|
|
|
|
/*
|
|
* 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(MountingCoordinator const &mountingCoordinator) noexcept;
|
|
|
|
/*
|
|
* Not copyable.
|
|
*/
|
|
TelemetryController(TelemetryController const &other) noexcept = delete;
|
|
TelemetryController &operator=(TelemetryController const &other) noexcept =
|
|
delete;
|
|
|
|
public:
|
|
/*
|
|
* Calls `MountingCoordinator::pullTransaction()` and aggregates telemetry.
|
|
*/
|
|
bool pullTransaction(
|
|
std::function<void(MountingTransactionMetadata metadata)> willMount,
|
|
std::function<void(ShadowViewMutationList const &mutations)> doMount,
|
|
std::function<void(MountingTransactionMetadata metadata)> didMount) const;
|
|
|
|
private:
|
|
MountingCoordinator const &mountingCoordinator_;
|
|
mutable SurfaceTelemetry compoundTelemetry_{};
|
|
mutable std::mutex mutex_;
|
|
};
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|