102 lines
2.8 KiB
TypeScript
102 lines
2.8 KiB
TypeScript
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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import * as TypingActionCreators from '~/actions/TypingActionCreators';
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import AuthenticationStore from '~/stores/AuthenticationStore';
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import TypingStore from '~/stores/TypingStore';
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class TypingManager {
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private currentChannelId: string | null = null;
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private nextSend: number | null = null;
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private timeoutId: NodeJS.Timeout | null = null;
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private hasStarted = false;
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typing(channelId: string): void {
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if (this.shouldReturn(channelId)) {
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return;
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}
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this.updateStateForTyping(channelId);
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if (!this.hasStarted || this.currentChannelId !== channelId) {
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const currentUserId = AuthenticationStore.currentUserId;
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if (!currentUserId) {
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return;
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}
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TypingActionCreators.startTyping(channelId, currentUserId);
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this.hasStarted = true;
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}
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if (this.timeoutId) {
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clearTimeout(this.timeoutId);
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}
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this.timeoutId = setTimeout(() => {
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this.sendTyping(channelId);
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}, 1500);
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this.nextSend = Date.now() + 10_000 * 0.8;
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}
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clear(channelId: string): void {
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if (this.currentChannelId !== channelId || !this.hasStarted) {
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return;
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}
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if (this.timeoutId) {
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clearTimeout(this.timeoutId);
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this.timeoutId = null;
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}
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const currentUserId = AuthenticationStore.currentUserId;
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if (!currentUserId) {
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return;
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}
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TypingActionCreators.stopTyping(channelId, currentUserId);
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this.resetState(channelId);
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}
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private shouldReturn(channelId: string): boolean {
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return this.currentChannelId === channelId && this.nextSend != null && this.nextSend > Date.now();
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}
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private updateStateForTyping(channelId: string): void {
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this.currentChannelId = channelId;
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const count = TypingStore.getCount(channelId);
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if (count > 5) {
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this.nextSend = Date.now() + 10_000;
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}
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}
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private sendTyping(channelId: string): void {
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TypingActionCreators.sendTyping(channelId);
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this.timeoutId = null;
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}
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private resetState(channelId: string): void {
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this.hasStarted = this.currentChannelId === channelId ? false : this.hasStarted;
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if (this.currentChannelId === channelId) {
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this.nextSend = null;
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}
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}
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}
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export const TypingUtils = new TypingManager();
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