blob: 7b2d93cd63a735478280a8c7d67cf1285d726876 [file] [log] [blame]
import {getForceDisabledFeatures} from '../common/options/optionsUtils.js';
/**
* Watches for changes to an internal kill switch and calls a callback when a
* change is detected.
*/
export default class InternalKillSwitchWatcher {
/**
* @param {string} killSwitch - The internal kill switch codename.
* @param {changeCallback} callback - The callback which is called when a
* change is detected.
* @param {boolean} callbackOnFirstLoad - Whether the callback should be
* called after first loading which is the current state of the kill
* switch.
*/
constructor(killSwitch, callback, callbackOnFirstLoad = true) {
this.watchedKillSwitch = killSwitch;
this.isActive = null;
this.callback = callback;
this.#setChangeListener();
this.#firstLoadGetValue(callbackOnFirstLoad);
}
#setChangeListener() {
chrome.storage.onChanged.addListener((changes, areaName) => {
const change = changes?.['_forceDisabledFeatures'];
if (areaName !== 'sync' || change === undefined) return;
const newValue = change.newValue.includes(this.watchedKillSwitch);
const hasChanged = newValue !== this.isActive;
this.isActive = newValue;
if (hasChanged) this.callback(this.isActive);
});
}
async #firstLoadGetValue(callbackOnFirstLoad) {
const activeKillSwitches = await getForceDisabledFeatures();
this.isActive = activeKillSwitches.includes(this.watchedKillSwitch);
if (callbackOnFirstLoad) this.callback(this.isActive);
}
}
/**
* Callback which receives changes to the kill switch active state.
* @callback changeCallback
* @param {boolean} Whether the kill switch is currently active.
*/