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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 {
workerTargetSpec,
} = require("resource://devtools/shared/specs/targets/worker.js");
const {
WebConsoleActor,
} = require("resource://devtools/server/actors/webconsole.js");
const { ThreadActor } = require("resource://devtools/server/actors/thread.js");
const { TracerActor } = require("resource://devtools/server/actors/tracer.js");
const Targets = require("resource://devtools/server/actors/targets/index.js");
const makeDebuggerUtil = require("resource://devtools/server/actors/utils/make-debugger.js");
const {
SourcesManager,
} = require("resource://devtools/server/actors/utils/sources-manager.js");
const {
BaseTargetActor,
} = require("resource://devtools/server/actors/targets/base-target-actor.js");
class WorkerTargetActor extends BaseTargetActor {
/**
* Target actor for a worker in the content process.
*
* @param {DevToolsServerConnection} conn: The connection to the client.
* @param {WorkerGlobalScope} workerGlobal: The worker global.
* @param {Object} workerDebuggerData: The worker debugger information
* @param {String} workerDebuggerData.id: The worker debugger id
* @param {String} workerDebuggerData.url: The worker debugger url
* @param {String} workerDebuggerData.type: The worker debugger type
* @param {Boolean} workerDebuggerData.workerConsoleApiMessagesDispatchedToMainThread:
* Value of the dom.worker.console.dispatch_events_to_main_thread pref
* @param {Object} sessionContext: The Session Context to help know what is debugged.
* See devtools/server/actors/watcher/session-context.js
*/
constructor(conn, workerGlobal, workerDebuggerData, sessionContext) {
super(conn, Targets.TYPES.WORKER, workerTargetSpec);
// workerGlobal is needed by the console actor for evaluations.
this.workerGlobal = workerGlobal;
this.sessionContext = sessionContext;
this._workerDebuggerData = workerDebuggerData;
this._sourcesManager = null;
this.workerConsoleApiMessagesDispatchedToMainThread =
workerDebuggerData.workerConsoleApiMessagesDispatchedToMainThread;
this.makeDebugger = makeDebuggerUtil.bind(null, {
findDebuggees: () => {
return [workerGlobal];
},
shouldAddNewGlobalAsDebuggee: () => true,
});
// needed by the console actor
this.threadActor = new ThreadActor(this, this.workerGlobal);
// needed by the thread actor to communicate with the console when evaluating logpoints.
this._consoleActor = new WebConsoleActor(this.conn, this);
this.tracerActor = new TracerActor(this.conn, this);
this.manage(this.threadActor);
this.manage(this._consoleActor);
this.manage(this.tracerActor);
}
// Expose the worker URL to the thread actor.
// so that it can easily know what is the base URL of all worker scripts.
get workerUrl() {
return this._workerDebuggerData.url;
}
form() {
return {
actor: this.actorID,
consoleActor: this._consoleActor?.actorID,
threadActor: this.threadActor?.actorID,
tracerActor: this.tracerActor?.actorID,
id: this._workerDebuggerData.id,
type: this._workerDebuggerData.type,
url: this._workerDebuggerData.url,
traits: {
// See trait description in browsing-context.js
supportsTopLevelTargetFlag: false,
},
};
}
get dbg() {
if (!this._dbg) {
this._dbg = this.makeDebugger();
}
return this._dbg;
}
get sourcesManager() {
if (this._sourcesManager === null) {
this._sourcesManager = new SourcesManager(this.threadActor);
}
return this._sourcesManager;
}
// This is called from the ThreadActor#onAttach method
onThreadAttached() {
// This isn't an RDP event and is only listened to from startup/worker.js.
this.emit("worker-thread-attached");
}
destroy() {
super.destroy();
if (this._sourcesManager) {
this._sourcesManager.destroy();
this._sourcesManager = null;
}
this.workerGlobal = null;
this._dbg = null;
this._consoleActor = null;
this.threadActor = null;
}
}
exports.WorkerTargetActor = WorkerTargetActor;
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