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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /devtools/server/actors/process.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'devtools/server/actors/process.js')
-rw-r--r--devtools/server/actors/process.js83
1 files changed, 83 insertions, 0 deletions
diff --git a/devtools/server/actors/process.js b/devtools/server/actors/process.js
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+++ b/devtools/server/actors/process.js
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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";
+
+var { Cc, Ci } = require("chrome");
+
+loader.lazyGetter(this, "ppmm", () => {
+ return Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIMessageBroadcaster);
+});
+
+function ProcessActorList() {
+ this._actors = new Map();
+ this._onListChanged = null;
+ this._mustNotify = false;
+
+ this._onMessage = this._onMessage.bind(this);
+ this._processScript = "data:text/javascript,sendAsyncMessage('debug:new-process');";
+}
+
+ProcessActorList.prototype = {
+ getList: function () {
+ let processes = [];
+ for (let i = 0; i < ppmm.childCount; i++) {
+ processes.push({
+ id: i, // XXX: may not be a perfect id, but process message manager doesn't expose anything...
+ parent: i == 0, // XXX Weak, but appear to be stable
+ tabCount: undefined, // TODO: exposes process message manager on frameloaders in order to compute this
+ });
+ }
+ this._mustNotify = true;
+ this._checkListening();
+
+ return processes;
+ },
+
+ get onListChanged() {
+ return this._onListChanged;
+ },
+
+ set onListChanged(onListChanged) {
+ if (typeof onListChanged !== "function" && onListChanged !== null) {
+ throw new Error("onListChanged must be either a function or null.");
+ }
+ if (onListChanged === this._onListChanged) {
+ return;
+ }
+
+ this._onListChanged = onListChanged;
+ this._checkListening();
+ },
+
+ _checkListening: function () {
+ if (this._onListChanged !== null && this._mustNotify) {
+ this._knownProcesses = [];
+ for (let i = 0; i < ppmm.childCount; i++) {
+ this._knownProcesses.push(ppmm.getChildAt(i));
+ }
+ ppmm.addMessageListener("debug:new-process", this._onMessage);
+ ppmm.loadProcessScript(this._processScript, true);
+ } else {
+ ppmm.removeMessageListener("debug:new-process", this._onMessage);
+ ppmm.removeDelayedProcessScript(this._processScript);
+ }
+ },
+
+ _notifyListChanged: function () {
+ if (this._mustNotify) {
+ this._onListChanged();
+ this._mustNotify = false;
+ }
+ },
+
+ _onMessage: function ({ target }) {
+ if (this._knownProcesses.includes(target)) {
+ return;
+ }
+ this._notifyListChanged();
+ },
+};
+
+exports.ProcessActorList = ProcessActorList;