mirror of
https://github.com/element-hq/element-web
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77 lines
2.3 KiB
JavaScript
77 lines
2.3 KiB
JavaScript
/*
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Copyright 2017 Vector Creations Ltd
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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';
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import {Store} from 'flux/utils';
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import {convertToRaw, convertFromRaw} from 'draft-js';
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const INITIAL_STATE = {
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editorStateMap: localStorage.getItem('content_state') ?
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JSON.parse(localStorage.getItem('content_state')) : {},
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};
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/**
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* A class for storing application state to do with the message composer. This is a simple
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* flux 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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class MessageComposerStore 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 = Object.assign({}, INITIAL_STATE);
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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.__emitChange();
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}
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__onDispatch(payload) {
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switch (payload.action) {
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case 'content_state':
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this._contentState(payload);
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break;
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case 'on_logged_out':
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this.reset();
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break;
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}
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}
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_contentState(payload) {
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const editorStateMap = this._state.editorStateMap;
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editorStateMap[payload.room_id] = convertToRaw(payload.content_state);
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localStorage.setItem('content_state', JSON.stringify(editorStateMap));
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this._setState({
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editorStateMap: editorStateMap,
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});
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}
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getContentState(roomId) {
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return this._state.editorStateMap[roomId] ?
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convertFromRaw(this._state.editorStateMap[roomId]) : null;
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}
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reset() {
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this._state = Object.assign({}, INITIAL_STATE);
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}
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}
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let singletonMessageComposerStore = null;
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if (!singletonMessageComposerStore) {
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singletonMessageComposerStore = new MessageComposerStore();
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}
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module.exports = singletonMessageComposerStore;
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