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83 lines
2.6 KiB
83 lines
2.6 KiB
import ObservableStore from 'obs-store'
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/**
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* @typedef {Object} AlertControllerInitState
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* @property {Object} alertEnabledness - A map of alerts IDs to booleans, where
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* `true` indicates that the alert is enabled and shown, and `false` the opposite.
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* @property {Object} unconnectedAccountAlertShownOrigins - A map of origin
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* strings to booleans indicating whether the "switch to connected" alert has
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* been shown (`true`) or otherwise (`false`).
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*/
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/**
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* @typedef {Object} AlertControllerOptions
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* @property {AlertControllerInitState} initState - The initial controller state
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*/
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export const ALERT_TYPES = {
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unconnectedAccount: 'unconnectedAccount',
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// enumerated here but has no background state
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invalidCustomNetwork: 'invalidCustomNetwork',
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}
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const defaultState = {
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alertEnabledness: Object.keys(ALERT_TYPES)
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.reduce(
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(alertEnabledness, alertType) => {
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alertEnabledness[alertType] = true
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return alertEnabledness
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},
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{},
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),
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unconnectedAccountAlertShownOrigins: {},
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}
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/**
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* Controller responsible for maintaining
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* alert related state
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*/
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export default class AlertController {
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/**
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* @constructor
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* @param {AlertControllerOptions} [opts] - Controller configuration parameters
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*/
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constructor (opts = {}) {
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const { initState, preferencesStore } = opts
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const state = {
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...defaultState,
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...initState,
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unconnectedAccountAlertShownOrigins: {},
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}
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this.store = new ObservableStore(state)
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this.selectedAddress = preferencesStore.getState().selectedAddress
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preferencesStore.subscribe(({ selectedAddress }) => {
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const currentState = this.store.getState()
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if (currentState.unconnectedAccountAlertShownOrigins && this.selectedAddress !== selectedAddress) {
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this.selectedAddress = selectedAddress
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this.store.updateState({ unconnectedAccountAlertShownOrigins: {} })
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}
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})
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}
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setAlertEnabledness (alertId, enabledness) {
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let { alertEnabledness } = this.store.getState()
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alertEnabledness = { ...alertEnabledness }
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alertEnabledness[alertId] = enabledness
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this.store.updateState({ alertEnabledness })
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}
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/**
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* Sets the "switch to connected" alert as shown for the given origin
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* @param {string} origin - The origin the alert has been shown for
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*/
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setUnconnectedAccountAlertShown (origin) {
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let { unconnectedAccountAlertShownOrigins } = this.store.getState()
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unconnectedAccountAlertShownOrigins = { ...unconnectedAccountAlertShownOrigins }
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unconnectedAccountAlertShownOrigins[origin] = true
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this.store.updateState({ unconnectedAccountAlertShownOrigins })
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}
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}
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