mirror of https://github.com/vector-im/riot-web
91 lines
2.5 KiB
JavaScript
91 lines
2.5 KiB
JavaScript
/*
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Copyright 2017 Vector Creations Ltd
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Copyright 2019 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import dis from '../dispatcher/dispatcher';
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import {Store} from 'flux/utils';
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const INITIAL_STATE = {
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cachedPassword: localStorage.getItem('mx_pass'),
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};
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/**
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* A class for storing application state to do with the session. This is a simple flux
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* store that listens for actions and updates its state accordingly, informing any
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* listeners (views) of state changes.
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*
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* Usage:
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* ```
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* sessionStore.addListener(() => {
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* this.setState({ cachedPassword: sessionStore.getCachedPassword() })
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* })
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* ```
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*/
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class SessionStore extends Store {
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constructor() {
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super(dis);
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// Initialise state
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this._state = INITIAL_STATE;
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}
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_update() {
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// Persist state to localStorage
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if (this._state.cachedPassword) {
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localStorage.setItem('mx_pass', this._state.cachedPassword);
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} else {
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localStorage.removeItem('mx_pass', this._state.cachedPassword);
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}
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this.__emitChange();
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}
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_setState(newState) {
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this._state = Object.assign(this._state, newState);
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this._update();
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}
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__onDispatch(payload) {
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switch (payload.action) {
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case 'cached_password':
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this._setState({
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cachedPassword: payload.cachedPassword,
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});
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break;
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case 'password_changed':
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this._setState({
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cachedPassword: null,
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});
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break;
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case 'on_client_not_viable':
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case 'on_logged_out':
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this._setState({
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cachedPassword: null,
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});
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break;
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}
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}
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getCachedPassword() {
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return this._state.cachedPassword;
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}
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}
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let singletonSessionStore = null;
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if (!singletonSessionStore) {
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singletonSessionStore = new SessionStore();
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}
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export default singletonSessionStore;
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