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
82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its 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 <chrono>
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#include <cstdint>
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#include <react/utils/Telemetry.h>
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namespace facebook {
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namespace react {
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/*
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* Represents telemetry data associated with a particular revision of
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* `ShadowTree`.
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*/
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class TransactionTelemetry final {
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public:
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/*
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* Thread-local Telemetry instance
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*/
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static TransactionTelemetry *threadLocalTelemetry();
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void setAsThreadLocal();
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void unsetAsThreadLocal();
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/*
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* Signaling
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*/
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void willDiff();
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void didDiff();
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void willCommit();
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void didCommit();
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void willLayout();
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void willMeasureText();
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void didMeasureText();
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void didLayout();
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void willMount();
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void didMount();
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void setRevisionNumber(int revisionNumber);
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/*
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* Reading
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*/
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TelemetryTimePoint getDiffStartTime() const;
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TelemetryTimePoint getDiffEndTime() const;
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TelemetryTimePoint getLayoutStartTime() const;
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TelemetryTimePoint getLayoutEndTime() const;
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TelemetryTimePoint getCommitStartTime() const;
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TelemetryTimePoint getCommitEndTime() const;
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TelemetryTimePoint getMountStartTime() const;
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TelemetryTimePoint getMountEndTime() const;
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TelemetryDuration getTextMeasureTime() const;
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int getNumberOfTextMeasurements() const;
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int getRevisionNumber() const;
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private:
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TelemetryTimePoint diffStartTime_{kTelemetryUndefinedTimePoint};
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TelemetryTimePoint diffEndTime_{kTelemetryUndefinedTimePoint};
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TelemetryTimePoint commitStartTime_{kTelemetryUndefinedTimePoint};
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TelemetryTimePoint commitEndTime_{kTelemetryUndefinedTimePoint};
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TelemetryTimePoint layoutStartTime_{kTelemetryUndefinedTimePoint};
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TelemetryTimePoint layoutEndTime_{kTelemetryUndefinedTimePoint};
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TelemetryTimePoint mountStartTime_{kTelemetryUndefinedTimePoint};
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TelemetryTimePoint mountEndTime_{kTelemetryUndefinedTimePoint};
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TelemetryTimePoint lastTextMeasureStartTime_{kTelemetryUndefinedTimePoint};
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TelemetryDuration textMeasureTime_{0};
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int numberOfTextMeasurements_{0};
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int revisionNumber_{0};
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};
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} // namespace react
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} // namespace facebook
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