mirror of https://github.com/vector-im/riot-web
107 lines
3.6 KiB
TypeScript
107 lines
3.6 KiB
TypeScript
/*
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Copyright 2019, 2021 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 { MatrixClientPeg } from "../MatrixClientPeg";
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import SettingsStore from "../settings/SettingsStore";
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import Timer from "../utils/Timer";
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const TYPING_USER_TIMEOUT = 10000;
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const TYPING_SERVER_TIMEOUT = 30000;
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/**
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* Tracks typing state for users.
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*/
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export default class TypingStore {
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private typingStates: {
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[roomId: string]: {
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isTyping: boolean;
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userTimer: Timer;
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serverTimer: Timer;
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};
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};
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constructor() {
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this.reset();
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}
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static sharedInstance(): TypingStore {
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if (window.mxTypingStore === undefined) {
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window.mxTypingStore = new TypingStore();
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}
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return window.mxTypingStore;
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}
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/**
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* Clears all cached typing states. Intended to be called when the
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* MatrixClientPeg client changes.
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*/
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reset() {
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this.typingStates = {
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// "roomId": {
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// isTyping: bool, // Whether the user is typing or not
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// userTimer: Timer, // Local timeout for "user has stopped typing"
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// serverTimer: Timer, // Maximum timeout for the typing state
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// },
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};
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}
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/**
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* Changes the typing status for the MatrixClientPeg user.
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* @param {string} roomId The room ID to set the typing state in.
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* @param {boolean} isTyping Whether the user is typing or not.
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*/
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setSelfTyping(roomId: string, isTyping: boolean): void {
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if (!SettingsStore.getValue('sendTypingNotifications')) return;
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if (SettingsStore.getValue('lowBandwidth')) return;
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let currentTyping = this.typingStates[roomId];
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if ((!isTyping && !currentTyping) || (currentTyping && currentTyping.isTyping === isTyping)) {
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// No change in state, so don't do anything. We'll let the timer run its course.
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return;
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}
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if (!currentTyping) {
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currentTyping = this.typingStates[roomId] = {
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isTyping: isTyping,
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serverTimer: new Timer(TYPING_SERVER_TIMEOUT),
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userTimer: new Timer(TYPING_USER_TIMEOUT),
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};
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}
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currentTyping.isTyping = isTyping;
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if (isTyping) {
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if (!currentTyping.serverTimer.isRunning()) {
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currentTyping.serverTimer.restart().finished().then(() => {
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const currentTyping = this.typingStates[roomId];
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if (currentTyping) currentTyping.isTyping = false;
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// The server will (should) time us out on typing, so we don't
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// need to advertise a stop of typing.
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});
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} else currentTyping.serverTimer.restart();
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if (!currentTyping.userTimer.isRunning()) {
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currentTyping.userTimer.restart().finished().then(() => {
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this.setSelfTyping(roomId, false);
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});
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} else currentTyping.userTimer.restart();
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}
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MatrixClientPeg.get().sendTyping(roomId, isTyping, TYPING_SERVER_TIMEOUT);
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}
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}
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