mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 14:45:29 +00:00
84 lines
2.4 KiB
JavaScript
84 lines
2.4 KiB
JavaScript
/* 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;
|