summaryrefslogtreecommitdiffstats
path: root/testing/modules/AppInfo.jsm
blob: ed22d806ddeaa9bd44be2f3d043ef4e1995bac1c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/* 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";

this.EXPORTED_SYMBOLS = [
  "newAppInfo",
  "getAppInfo",
  "updateAppInfo",
];


const {classes: Cc, interfaces: Ci, results: Cr, utils: Cu} = Components;

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

let origPlatformInfo = Cc["@mozilla.org/xre/app-info;1"]
    .getService(Ci.nsIPlatformInfo);

/**
 * Create new XULAppInfo instance with specified options.
 *
 * options is a object with following keys:
 *   ID:              nsIXULAppInfo.ID
 *   name:            nsIXULAppInfo.name
 *   version:         nsIXULAppInfo.version
 *   platformVersion: nsIXULAppInfo.platformVersion
 *   OS:              nsIXULRuntime.OS
 *
 *   crashReporter:   nsICrashReporter interface is implemented if true
 *   extraProps:      extra properties added to XULAppInfo
 */
this.newAppInfo = function (options={}) {
  let ID = ("ID" in options) ? options.ID : "xpcshell@tests.mozilla.org";
  let name = ("name" in options) ? options.name : "xpcshell";
  let version = ("version" in options) ? options.version : "1";
  let platformVersion
      = ("platformVersion" in options) ? options.platformVersion : "p-ver";
  let OS = ("OS" in options) ? options.OS : "XPCShell";
  let extraProps = ("extraProps" in options) ? options.extraProps : {};

  let appInfo = {
    // nsIXULAppInfo
    vendor: "Mozilla",
    name: name,
    ID: ID,
    version: version,
    appBuildID: "20160315",

    // nsIPlatformInfo
    platformVersion: platformVersion,
    platformBuildID: origPlatformInfo.platformBuildID,

    // nsIXULRuntime
    inSafeMode: false,
    logConsoleErrors: true,
    OS: OS,
    XPCOMABI: "noarch-spidermonkey",
    invalidateCachesOnRestart() {},

    // nsIWinAppHelper
    get userCanElevate() {
      return false;
    },
  };

  let interfaces = [Ci.nsIXULAppInfo,
                    Ci.nsIPlatformInfo,
                    Ci.nsIXULRuntime];
  if ("nsIWinAppHelper" in Ci) {
    interfaces.push(Ci.nsIWinAppHelper);
  }

  if ("crashReporter" in options && options.crashReporter) {
    // nsICrashReporter
    appInfo.annotations = {};
    appInfo.annotateCrashReport = function(key, data) {
      this.annotations[key] = data;
    };
    interfaces.push(Ci.nsICrashReporter);
  }

  for (let key of Object.keys(extraProps)) {
    appInfo.browserTabsRemoteAutostart = extraProps[key];
  }

  appInfo.QueryInterface = XPCOMUtils.generateQI(interfaces);

  return appInfo;
};

var currentAppInfo = newAppInfo();

/**
 * Obtain a reference to the current object used to define XULAppInfo.
 */
this.getAppInfo = function () { return currentAppInfo; };

/**
 * Update the current application info.
 *
 * See newAppInfo for options.
 *
 * To change the current XULAppInfo, simply call this function. If there was
 * a previously registered app info object, it will be unloaded and replaced.
 */
this.updateAppInfo = function (options) {
  currentAppInfo = newAppInfo(options);

  let id = Components.ID("{fbfae60b-64a4-44ef-a911-08ceb70b9f31}");
  let cid = "@mozilla.org/xre/app-info;1";
  let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);

  // Unregister an existing factory if one exists.
  try {
    let existing = Components.manager.getClassObjectByContractID(cid, Ci.nsIFactory);
    registrar.unregisterFactory(id, existing);
  } catch (ex) {}

  let factory = {
    createInstance: function (outer, iid) {
      if (outer != null) {
        throw Cr.NS_ERROR_NO_AGGREGATION;
      }

      return currentAppInfo.QueryInterface(iid);
    },
  };

  registrar.registerFactory(id, "XULAppInfo", cid, factory);
};