mirror of
https://github.com/mozilla/gecko-dev.git
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f37eaccd8d
--HG-- extra : commitid : 2uAeu4bllYN
223 lines
4.7 KiB
JavaScript
223 lines
4.7 KiB
JavaScript
"use strict";
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var { Ci, Cu } = require("chrome");
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var { DebuggerServer } = require("devtools/server/main");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyServiceGetter(
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this, "wdm",
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"@mozilla.org/dom/workers/workerdebuggermanager;1",
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"nsIWorkerDebuggerManager"
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);
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function matchWorkerDebugger(dbg, options) {
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if ("type" in options && dbg.type !== options.type) {
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return false;
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}
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if ("window" in options) {
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let window = dbg.window;
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while (window !== null && window.parent !== window) {
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window = window.parent;
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}
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if (window !== options.window) {
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return false;
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}
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}
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return true;
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}
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function WorkerActor(dbg) {
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this._dbg = dbg;
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this._isAttached = false;
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this._threadActor = null;
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this._transport = null;
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}
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WorkerActor.prototype = {
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actorPrefix: "worker",
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form: function () {
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return {
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actor: this.actorID,
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consoleActor: this._consoleActor,
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url: this._dbg.url,
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type: this._dbg.type
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};
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},
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onAttach: function () {
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if (this._dbg.isClosed) {
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return { error: "closed" };
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}
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if (!this._isAttached) {
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this._dbg.addListener(this);
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this._isAttached = true;
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}
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return {
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type: "attached",
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url: this._dbg.url
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};
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},
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onDetach: function () {
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if (!this._isAttached) {
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return { error: "wrongState" };
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}
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this._detach();
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return { type: "detached" };
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},
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onConnect: function (request) {
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if (!this._isAttached) {
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return { error: "wrongState" };
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}
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if (this._threadActor !== null) {
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return {
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type: "connected",
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threadActor: this._threadActor
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};
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}
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return DebuggerServer.connectToWorker(
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this.conn, this._dbg, this.actorID, request.options
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).then(({ threadActor, transport, consoleActor }) => {
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this._threadActor = threadActor;
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this._transport = transport;
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this._consoleActor = consoleActor;
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return {
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type: "connected",
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threadActor: this._threadActor,
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consoleActor: this._consoleActor
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};
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}, (error) => {
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return { error: error.toString() };
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});
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},
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onClose: function () {
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if (this._isAttached) {
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this._detach();
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}
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this.conn.sendActorEvent(this.actorID, "close");
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},
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onError: function (filename, lineno, message) {
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reportError("ERROR:" + filename + ":" + lineno + ":" + message + "\n");
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},
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_detach: function () {
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if (this._threadActor !== null) {
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this._transport.close();
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this._transport = null;
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this._threadActor = null;
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}
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this._dbg.removeListener(this);
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this._isAttached = false;
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}
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};
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WorkerActor.prototype.requestTypes = {
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"attach": WorkerActor.prototype.onAttach,
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"detach": WorkerActor.prototype.onDetach,
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"connect": WorkerActor.prototype.onConnect
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};
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exports.WorkerActor = WorkerActor;
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function WorkerActorList(options) {
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this._options = options;
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this._actors = new Map();
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this._onListChanged = null;
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this._mustNotify = false;
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this.onRegister = this.onRegister.bind(this);
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this.onUnregister = this.onUnregister.bind(this);
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}
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WorkerActorList.prototype = {
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getList: function () {
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let dbgs = new Set();
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let e = wdm.getWorkerDebuggerEnumerator();
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while (e.hasMoreElements()) {
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let dbg = e.getNext().QueryInterface(Ci.nsIWorkerDebugger);
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if (matchWorkerDebugger(dbg, this._options)) {
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dbgs.add(dbg);
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}
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}
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for (let [dbg, ] of this._actors) {
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if (!dbgs.has(dbg)) {
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this._actors.delete(dbg);
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}
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}
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for (let dbg of dbgs) {
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if (!this._actors.has(dbg)) {
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this._actors.set(dbg, new WorkerActor(dbg));
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}
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}
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let actors = [];
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for (let [, actor] of this._actors) {
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actors.push(actor);
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}
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this._mustNotify = true;
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this._checkListening();
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return Promise.resolve(actors);
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},
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get onListChanged() {
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return this._onListChanged;
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},
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set onListChanged(onListChanged) {
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if (typeof onListChanged !== "function" && onListChanged !== null) {
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throw new Error("onListChanged must be either a function or null.");
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}
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this._onListChanged = onListChanged;
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this._checkListening();
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},
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_checkListening: function () {
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if (this._onListChanged !== null && this._mustNotify) {
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wdm.addListener(this);
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} else {
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wdm.removeListener(this);
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}
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},
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_notifyListChanged: function () {
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if (this._mustNotify) {
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this._onListChanged();
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this._mustNotify = false;
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}
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},
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onRegister: function (dbg) {
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if (matchWorkerDebugger(dbg, this._options)) {
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this._notifyListChanged();
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}
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},
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onUnregister: function (dbg) {
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if (matchWorkerDebugger(dbg, this._options)) {
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this._notifyListChanged();
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}
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}
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};
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exports.WorkerActorList = WorkerActorList;
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