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Diffstat (limited to 'browser/extensions/e10srollout/bootstrap.js')
| -rw-r--r-- | browser/extensions/e10srollout/bootstrap.js | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/browser/extensions/e10srollout/bootstrap.js b/browser/extensions/e10srollout/bootstrap.js deleted file mode 100644 index 0da7ac225..000000000 --- a/browser/extensions/e10srollout/bootstrap.js +++ /dev/null @@ -1,197 +0,0 @@ -/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ -/* 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"; - -const {classes: Cc, interfaces: Ci, utils: Cu} = Components; - -Cu.import("resource://gre/modules/Preferences.jsm"); -Cu.import("resource://gre/modules/Services.jsm"); -Cu.import("resource://gre/modules/UpdateUtils.jsm"); -Cu.import("resource://gre/modules/AppConstants.jsm"); - - // The amount of people to be part of e10s -const TEST_THRESHOLD = { - "beta" : 0.5, // 50% - "release" : 1.0, // 100% - "esr" : 1.0, // 100% -}; - -const ADDON_ROLLOUT_POLICY = { - "beta" : "51alladdons", // Any WebExtension or addon except with mpc = false - "release" : "51set1", - "esr" : "esrA", // WebExtensions and Addons with mpc=true -}; - -if (AppConstants.RELEASE_OR_BETA) { - // Bug 1348576 - e10s is never enabled for non-official release builds - // This is hacky, but the problem it solves is the following: - // the e10s rollout is controlled by the channel name, which - // is the only way to distinguish between Beta and Release. - // However, non-official release builds (like the ones done by distros - // to ship Firefox on their package managers) do not set a value - // for the release channel, which gets them to the default value - // of.. (drumroll) "default". - // But we can't just always configure the same settings for the - // "default" channel because that's also the name that a locally - // built Firefox gets, and e10s is managed in a different way - // there (directly by prefs, on Nightly and Aurora). - TEST_THRESHOLD.default = TEST_THRESHOLD.release; - ADDON_ROLLOUT_POLICY.default = ADDON_ROLLOUT_POLICY.release; -} - - -const PREF_COHORT_SAMPLE = "e10s.rollout.cohortSample"; -const PREF_COHORT_NAME = "e10s.rollout.cohort"; -const PREF_E10S_OPTED_IN = "browser.tabs.remote.autostart"; -const PREF_E10S_FORCE_ENABLED = "browser.tabs.remote.force-enable"; -const PREF_E10S_FORCE_DISABLED = "browser.tabs.remote.force-disable"; -const PREF_TOGGLE_E10S = "browser.tabs.remote.autostart.2"; -const PREF_E10S_ADDON_POLICY = "extensions.e10s.rollout.policy"; -const PREF_E10S_ADDON_BLOCKLIST = "extensions.e10s.rollout.blocklist"; -const PREF_E10S_HAS_NONEXEMPT_ADDON = "extensions.e10s.rollout.hasAddon"; - -function startup() { - // In theory we only need to run this once (on install()), but - // it's better to also run it on every startup. If the user has - // made manual changes to the prefs, this will keep the data - // reported more accurate. - // It's also fine (and preferred) to just do it here on startup - // (instead of observing prefs), because e10s takes a restart - // to take effect, so we keep the data based on how it was when - // the session started. - defineCohort(); -} - -function install() { - defineCohort(); -} - -let cohortDefinedOnThisSession = false; - -function defineCohort() { - // Avoid running twice when it was called by install() first - if (cohortDefinedOnThisSession) { - return; - } - cohortDefinedOnThisSession = true; - - let updateChannel = UpdateUtils.getUpdateChannel(false); - if (!(updateChannel in TEST_THRESHOLD)) { - setCohort("unsupportedChannel"); - return; - } - - let addonPolicy = "unknown"; - if (updateChannel in ADDON_ROLLOUT_POLICY) { - addonPolicy = ADDON_ROLLOUT_POLICY[updateChannel]; - Preferences.set(PREF_E10S_ADDON_POLICY, addonPolicy); - // This is also the proper place to set the blocklist pref - // in case it is necessary. - - Preferences.set(PREF_E10S_ADDON_BLOCKLIST, - // bug 1185672 - Tab Mix Plus - "{dc572301-7619-498c-a57d-39143191b318};" + - // bug 1332692 - LastPass - "support@lastpass.com;"); - } else { - Preferences.reset(PREF_E10S_ADDON_POLICY); - } - - let userOptedOut = optedOut(); - let userOptedIn = optedIn(); - let disqualified = (Services.appinfo.multiprocessBlockPolicy != 0); - let testGroup = (getUserSample() < TEST_THRESHOLD[updateChannel]); - let hasNonExemptAddon = Preferences.get(PREF_E10S_HAS_NONEXEMPT_ADDON, false); - let temporaryDisqualification = getTemporaryDisqualification(); - - let cohortPrefix = ""; - if (disqualified) { - cohortPrefix = "disqualified-"; - } else if (hasNonExemptAddon) { - cohortPrefix = `addons-set${addonPolicy}-`; - } - - if (userOptedOut) { - setCohort("optedOut"); - } else if (userOptedIn) { - setCohort("optedIn"); - } else if (temporaryDisqualification != "") { - // Users who are disqualified by the backend (from multiprocessBlockPolicy) - // can be put into either the test or control groups, because e10s will - // still be denied by the backend, which is useful so that the E10S_STATUS - // telemetry probe can be correctly set. - - // For these volatile disqualification reasons, however, we must not try - // to activate e10s because the backend doesn't know about it. E10S_STATUS - // here will be accumulated as "2 - Disabled", which is fine too. - setCohort(`temp-disqualified-${temporaryDisqualification}`); - Preferences.reset(PREF_TOGGLE_E10S); - } else if (testGroup) { - setCohort(`${cohortPrefix}test`); - Preferences.set(PREF_TOGGLE_E10S, true); - } else { - setCohort(`${cohortPrefix}control`); - Preferences.reset(PREF_TOGGLE_E10S); - } -} - -function shutdown(data, reason) { -} - -function uninstall() { -} - -function getUserSample() { - let prefValue = Preferences.get(PREF_COHORT_SAMPLE, undefined); - let value = 0.0; - - if (typeof(prefValue) == "string") { - value = parseFloat(prefValue, 10); - return value; - } - - if (typeof(prefValue) == "number") { - // convert old integer value - value = prefValue / 100; - } else { - value = Math.random(); - } - - Preferences.set(PREF_COHORT_SAMPLE, value.toString().substr(0, 8)); - return value; -} - -function setCohort(cohortName) { - Preferences.set(PREF_COHORT_NAME, cohortName); - try { - if (Ci.nsICrashReporter) { - Services.appinfo.QueryInterface(Ci.nsICrashReporter).annotateCrashReport("E10SCohort", cohortName); - } - } catch (e) {} -} - -function optedIn() { - return Preferences.get(PREF_E10S_OPTED_IN, false) || - Preferences.get(PREF_E10S_FORCE_ENABLED, false); -} - -function optedOut() { - // Users can also opt-out by toggling back the pref to false. - // If they reset the pref instead they might be re-enabled if - // they are still part of the threshold. - return Preferences.get(PREF_E10S_FORCE_DISABLED, false) || - (Preferences.isSet(PREF_TOGGLE_E10S) && - Preferences.get(PREF_TOGGLE_E10S) == false); -} - -/* If this function returns a non-empty string, it - * means that this particular user should be temporarily - * disqualified due to some particular reason. - * If a user shouldn't be disqualified, then an empty - * string must be returned. - */ -function getTemporaryDisqualification() { - return ""; -} |