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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { Actor, ActorClassWithSpec } = require("devtools/shared/protocol");
const { actorBridgeWithSpec } = require("devtools/server/actors/common");
const { performanceSpec } = require("devtools/shared/specs/performance");
loader.lazyRequireGetter(
this,
"PerformanceRecorder",
"devtools/server/performance/recorder",
true
);
loader.lazyRequireGetter(
this,
"normalizePerformanceFeatures",
"devtools/shared/performance/recording-utils",
true
);
const PIPE_TO_FRONT_EVENTS = new Set([
"recording-started",
"recording-stopping",
"recording-stopped",
"profiler-status",
"timeline-data",
"console-profile-start",
]);
const RECORDING_STATE_CHANGE_EVENTS = new Set([
"recording-started",
"recording-stopping",
"recording-stopped",
]);
/**
* This actor wraps the Performance module at devtools/shared/shared/performance.js
* and provides RDP definitions.
*
* @see devtools/shared/shared/performance.js for documentation.
*/
var PerformanceActor = ActorClassWithSpec(performanceSpec, {
traits: {
features: {
withMarkers: true,
withTicks: true,
withMemory: true,
withFrames: true,
withGCEvents: true,
withDocLoadingEvents: true,
withAllocations: true,
},
},
initialize: function(conn, targetActor) {
Actor.prototype.initialize.call(this, conn);
this._onRecordingStarted = this._onRecordingStarted.bind(this);
this._onRecordingStopping = this._onRecordingStopping.bind(this);
this._onRecordingStopped = this._onRecordingStopped.bind(this);
this._onProfilerStatus = this._onProfilerStatus.bind(this);
this._onTimelineData = this._onTimelineData.bind(this);
this._onConsoleProfileStart = this._onConsoleProfileStart.bind(this);
this.bridge = new PerformanceRecorder(conn, targetActor);
this.bridge.on("recording-started", this._onRecordingStarted);
this.bridge.on("recording-stopping", this._onRecordingStopping);
this.bridge.on("recording-stopped", this._onRecordingStopped);
this.bridge.on("profiler-status", this._onProfilerStatus);
this.bridge.on("timeline-data", this._onTimelineData);
this.bridge.on("console-profile-start", this._onConsoleProfileStart);
},
destroy: function() {
this.bridge.off("recording-started", this._onRecordingStarted);
this.bridge.off("recording-stopping", this._onRecordingStopping);
this.bridge.off("recording-stopped", this._onRecordingStopped);
this.bridge.off("profiler-status", this._onProfilerStatus);
this.bridge.off("timeline-data", this._onTimelineData);
this.bridge.off("console-profile-start", this._onConsoleProfileStart);
this.bridge.destroy();
Actor.prototype.destroy.call(this);
},
connect: function(config) {
this.bridge.connect({ systemClient: config.systemClient });
return { traits: this.traits };
},
canCurrentlyRecord: function() {
return this.bridge.canCurrentlyRecord();
},
async startRecording(options = {}) {
if (!this.bridge.canCurrentlyRecord().success) {
return null;
}
const normalizedOptions = normalizePerformanceFeatures(
options,
this.traits.features
);
const recording = await this.bridge.startRecording(normalizedOptions);
this.manage(recording);
return recording;
},
stopRecording: actorBridgeWithSpec("stopRecording"),
isRecording: actorBridgeWithSpec("isRecording"),
getRecordings: actorBridgeWithSpec("getRecordings"),
getConfiguration: actorBridgeWithSpec("getConfiguration"),
setProfilerStatusInterval: actorBridgeWithSpec("setProfilerStatusInterval"),
/**
* Filter which events get piped to the front.
*/
_onRecordingStarted: function(...data) {
this._onRecorderEvent("recording-started", data);
},
_onRecordingStopping: function(...data) {
this._onRecorderEvent("recording-stopping", data);
},
_onRecordingStopped: function(...data) {
this._onRecorderEvent("recording-stopped", data);
},
_onProfilerStatus: function(...data) {
this._onRecorderEvent("profiler-status", data);
},
_onTimelineData: function(...data) {
this._onRecorderEvent("timeline-data", data);
},
_onConsoleProfileStart: function(...data) {
this._onRecorderEvent("console-profile-start", data);
},
_onRecorderEvent: function(eventName, data) {
// If this is a recording state change, call
// a method on the related PerformanceRecordingActor so it can
// update its internal state.
if (RECORDING_STATE_CHANGE_EVENTS.has(eventName)) {
const recording = data[0];
const extraData = data[1];
recording._setState(eventName, extraData);
}
if (PIPE_TO_FRONT_EVENTS.has(eventName)) {
this.emit(eventName, ...data);
}
},
});
exports.PerformanceActor = PerformanceActor;
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