The Tor Browser: dom/bindings/test/TestInterfaceJS.js@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     3  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 const Cu = Components.utils;

     6 const Ci = Components.interfaces;

     8 "use strict";

     9 Cu.import("resource://gre/modules/XPCOMUtils.jsm");

    10 Cu.import("resource://gre/modules/Services.jsm");

    12 var gGlobal = this;

    13 function checkGlobal(obj) {

    14   if (Object(obj) === obj && Cu.getGlobalForObject(obj) != gGlobal) {

    15     // This message may not make it to the caller in a useful form, so dump

    16     // as well.

    17     var msg = "TestInterfaceJS received an object from a different scope!";

    18     dump(msg + "\n");

    19     throw new Error(msg);

    20   }

    21 }

    23 function TestInterfaceJS(anyArg, objectArg) {}

    25 TestInterfaceJS.prototype = {

    26   classID: Components.ID("{2ac4e026-cf25-47d5-b067-78d553c3cad8}"),

    27   contractID: "@mozilla.org/dom/test-interface-js;1",

    28   QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports]),

    30   __init: function (anyArg, objectArg) {

    31     this._anyAttr = undefined;

    32     this._objectAttr = null;

    33     this._anyArg = anyArg;

    34     this._objectArg = objectArg;

    35     checkGlobal(anyArg);

    36     checkGlobal(objectArg);

    37   },

    39   get anyArg() { return this._anyArg; },

    40   get objectArg() { return this._objectArg; },

    41   get anyAttr() { return this._anyAttr; },

    42   set anyAttr(val) { checkGlobal(val); this._anyAttr = val; },

    43   get objectAttr() { return this._objectAttr; },

    44   set objectAttr(val) { checkGlobal(val); this._objectAttr = val; },

    45   pingPongAny: function(any) { checkGlobal(any); return any; },

    46   pingPongObject: function(obj) { checkGlobal(obj); return obj; },

    48   getCallerPrincipal: function() { return Cu.getWebIDLCallerPrincipal().origin; }

    49 };

    51 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TestInterfaceJS])

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