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
|
/* 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/. */
var EXPORTED_SYMBOLS = ["FirstStartup"];
const { AppConstants } = ChromeUtils.import(
"resource://gre/modules/AppConstants.jsm"
);
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
const { XPCOMUtils } = ChromeUtils.import(
"resource://gre/modules/XPCOMUtils.jsm"
);
XPCOMUtils.defineLazyModuleGetters(this, {
Normandy: "resource://normandy/Normandy.jsm",
});
const PREF_TIMEOUT = "first-startup.timeout";
const PROBE_NAME = "firstStartup";
/**
* Service for blocking application startup, to be used on the first install. The intended
* use case is for `FirstStartup` to be invoked when the application is called by an installer,
* such as the Windows Stub Installer, to allow the application to do some first-install tasks
* such as performance tuning and downloading critical data.
*
* In this scenario, the installer does not exit until the first application window appears,
* which gives the user experience of the application starting up quickly on first install.
*/
var FirstStartup = {
NOT_STARTED: 0,
IN_PROGRESS: 1,
TIMED_OUT: 2,
SUCCESS: 3,
UNSUPPORTED: 4,
_state: 0, // NOT_STARTED,
/**
* Initialize and run first-startup services. This will always run synchronously
* and spin the event loop until either all required services have
* completed, or until a timeout is reached.
*
* In the latter case, services are expected to run post-UI instead as usual.
*/
init() {
this._state = this.IN_PROGRESS;
const timeout = Services.prefs.getIntPref(PREF_TIMEOUT, 30000); // default to 30 seconds
let startingTime = Date.now();
if (AppConstants.MOZ_NORMANDY) {
let normandyInitialized = false;
Normandy.init({ runAsync: false }).then(
() => (normandyInitialized = true)
);
this.elapsed = 0;
Services.tm.spinEventLoopUntil(() => {
this.elapsed = Date.now() - startingTime;
if (this.elapsed >= timeout) {
this._state = this.TIMED_OUT;
return true;
} else if (normandyInitialized) {
this._state = this.SUCCESS;
return true;
}
return false;
});
} else {
this._state = this.UNSUPPORTED;
}
Services.telemetry.scalarSet(`${PROBE_NAME}.statusCode`, this._state);
Services.telemetry.scalarSet(`${PROBE_NAME}.elapsed`, this.elapsed);
},
get state() {
return this._state;
},
};
|
