78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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BranchedAddonStudyAction:
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"resource://normandy/actions/BranchedAddonStudyAction.sys.mjs",
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AddonStudies: "resource://normandy/lib/AddonStudies.sys.mjs",
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CleanupManager: "resource://normandy/lib/CleanupManager.sys.mjs",
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PreferenceExperiments:
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"resource://normandy/lib/PreferenceExperiments.sys.mjs",
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});
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const NS_PREFBRANCH_PREFCHANGE_TOPIC_ID = "nsPref:changed"; // from modules/libpref/nsIPrefBranch.idl
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const PREF_OPT_OUT_STUDIES_ENABLED = "app.shield.optoutstudies.enabled";
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/**
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* Handles Shield-specific preferences, including their UI.
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*/
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export var ShieldPreferences = {
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init() {
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// Watch for changes to the Opt-out pref
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Services.prefs.addObserver(PREF_OPT_OUT_STUDIES_ENABLED, this);
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lazy.CleanupManager.addCleanupHandler(() => {
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Services.prefs.removeObserver(PREF_OPT_OUT_STUDIES_ENABLED, this);
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});
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},
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observe(subject, topic, data) {
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switch (topic) {
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case NS_PREFBRANCH_PREFCHANGE_TOPIC_ID:
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this.observePrefChange(data);
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break;
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}
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},
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async observePrefChange(prefName) {
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let prefValue;
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switch (prefName) {
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// If the opt-out pref changes to be false, disable all current studies.
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case PREF_OPT_OUT_STUDIES_ENABLED: {
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prefValue = Services.prefs.getBoolPref(PREF_OPT_OUT_STUDIES_ENABLED);
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if (!prefValue) {
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const action = new lazy.BranchedAddonStudyAction();
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const studyPromises = (await lazy.AddonStudies.getAll()).map(
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study => {
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if (!study.active) {
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return null;
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}
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return action.unenroll(study.recipeId, "general-opt-out");
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}
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);
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const experimentPromises = (
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await lazy.PreferenceExperiments.getAll()
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).map(experiment => {
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if (experiment.expired) {
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return null;
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}
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return lazy.PreferenceExperiments.stop(experiment.slug, {
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reason: "general-opt-out",
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caller: "observePrefChange::general-opt-out",
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});
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});
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const allPromises = studyPromises
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.concat(experimentPromises)
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.map(p => p && p.catch(err => console.error(err)));
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await Promise.all(allPromises);
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}
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break;
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}
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}
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},
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};
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