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/* 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/. */
/**
* Note: If you add or modify the list of helpers, make sure to update the
* corresponding documentation in the `docs` folder as well.
*/
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
IPProtectionService:
"resource:///modules/ipprotection/IPProtectionService.sys.mjs",
NimbusFeatures: "resource://nimbus/ExperimentAPI.sys.mjs",
});
/**
* This class monitors the eligibility flag from Nimbus
*/
class IPPNimbusHelperSingleton {
init() {}
initOnStartupCompleted() {
lazy.NimbusFeatures.ipProtection.onUpdate(
lazy.IPProtectionService.updateState
);
}
uninit() {
lazy.NimbusFeatures.ipProtection.offUpdate(
lazy.IPProtectionService.updateState
);
}
/**
* Check if this device is in the experiment with a variant branch.
*
* @returns {boolean}
*/
get isEligible() {
let inExperiment = lazy.NimbusFeatures.ipProtection.getEnrollmentMetadata();
let isEligible = inExperiment?.branch && inExperiment.branch !== "control";
if (inExperiment) {
lazy.NimbusFeatures.ipProtection.recordExposureEvent({
once: true,
});
}
return isEligible;
}
}
const IPPNimbusHelper = new IPPNimbusHelperSingleton();
export { IPPNimbusHelper };
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