react-native-macos/ReactCommon/fabric/mounting/MountingTelemetry.h

57 строки
1.3 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 <cstdint>
#include <limits>
namespace facebook {
namespace react {
/*
* Represent arbitrary telemetry data that can be associated with the
* particular revision of `ShadowTree`.
*/
class MountingTelemetry final {
public:
/*
* Signaling
*/
void willDiff();
void didDiff();
void willCommit();
void didCommit();
void willLayout();
void didLayout();
/*
* Reading
*/
int64_t getDiffStartTime() const;
int64_t getDiffEndTime() const;
int64_t getLayoutStartTime() const;
int64_t getLayoutEndTime() const;
int64_t getCommitStartTime() const;
int64_t getCommitEndTime() const;
int64_t getCommitNumber() const;
private:
constexpr static int64_t kUndefinedTime = std::numeric_limits<int64_t>::max();
int64_t diffStartTime_{kUndefinedTime};
int64_t diffEndTime_{kUndefinedTime};
int64_t commitNumber_{0};
int64_t commitStartTime_{kUndefinedTime};
int64_t commitEndTime_{kUndefinedTime};
int64_t layoutStartTime_{kUndefinedTime};
int64_t layoutEndTime_{kUndefinedTime};
};
} // namespace react
} // namespace facebook