зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
3.1 KiB
JavaScript
119 строки
3.1 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const {
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Arg,
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RetVal,
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Option,
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generateActorSpec,
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types,
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} = require("devtools/shared/protocol");
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/**
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* Type representing an array of numbers as strings, serialized fast(er).
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* http://jsperf.com/json-stringify-parse-vs-array-join-split/3
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*
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* XXX: It would be nice if on local connections (only), we could just *give*
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* the array directly to the front, instead of going through all this
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* serialization redundancy.
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*/
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types.addType("array-of-numbers-as-strings", {
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write: v => v.join(","),
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// In Gecko <= 37, `v` is an array; do not transform in this case.
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read: v => (typeof v === "string" ? v.split(",") : v),
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});
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const timelineSpec = generateActorSpec({
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typeName: "timeline",
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events: {
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/**
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* Events emitted when "DOMContentLoaded" and "Load" markers are received.
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*/
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"doc-loading": {
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type: "doc-loading",
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marker: Arg(0, "json"),
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endTime: Arg(0, "number"),
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},
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/**
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* The "markers" events emitted every DEFAULT_TIMELINE_DATA_PULL_TIMEOUT ms
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* at most, when profile markers are found. The timestamps on each marker
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* are relative to when recording was started.
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*/
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markers: {
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type: "markers",
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markers: Arg(0, "json"),
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endTime: Arg(1, "number"),
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},
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/**
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* The "memory" events emitted in tandem with "markers", if this was enabled
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* when the recording started. The `delta` timestamp on this measurement is
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* relative to when recording was started.
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*/
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memory: {
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type: "memory",
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delta: Arg(0, "number"),
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measurement: Arg(1, "json"),
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},
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/**
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* The "ticks" events (from the refresh driver) emitted in tandem with
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* "markers", if this was enabled when the recording started. All ticks
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* are timestamps with a zero epoch.
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*/
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ticks: {
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type: "ticks",
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delta: Arg(0, "number"),
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timestamps: Arg(1, "array-of-numbers-as-strings"),
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},
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/**
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* The "frames" events emitted in tandem with "markers", containing
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* JS stack frames. The `delta` timestamp on this frames packet is
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* relative to when recording was started.
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*/
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frames: {
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type: "frames",
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delta: Arg(0, "number"),
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frames: Arg(1, "json"),
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},
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},
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methods: {
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isRecording: {
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request: {},
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response: {
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value: RetVal("boolean"),
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},
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},
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start: {
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request: {
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withMarkers: Option(0, "boolean"),
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withTicks: Option(0, "boolean"),
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withMemory: Option(0, "boolean"),
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withFrames: Option(0, "boolean"),
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withGCEvents: Option(0, "boolean"),
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withDocLoadingEvents: Option(0, "boolean"),
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},
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response: {
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value: RetVal("number"),
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},
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},
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stop: {
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response: {
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// Set as possibly nullable due to the end time possibly being
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// undefined during destruction
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value: RetVal("nullable:number"),
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},
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},
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},
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});
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exports.timelineSpec = timelineSpec;
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