56 lines
1.7 KiB
TypeScript
56 lines
1.7 KiB
TypeScript
import { ContentMessage } from './ContentMessage';
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import { SignalService } from '../../../../protobuf';
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import { TextEncoder } from 'util';
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import { MessageParams } from '../Message';
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import { StringUtils } from '../../../utils';
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import { PubKey } from '../../../types';
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interface TypingMessageParams extends MessageParams {
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isTyping: boolean;
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typingTimestamp?: number;
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groupId?: string | PubKey;
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}
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export class TypingMessage extends ContentMessage {
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public readonly isTyping: boolean;
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public readonly typingTimestamp?: number;
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public readonly groupId?: PubKey;
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constructor(params: TypingMessageParams) {
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super({ timestamp: params.timestamp, identifier: params.identifier });
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this.isTyping = params.isTyping;
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this.typingTimestamp = params.typingTimestamp;
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const { groupId } = params;
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this.groupId = groupId ? PubKey.cast(groupId) : undefined;
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}
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public ttl(): number {
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return 60 * 1000; // 1 minute for typing indicators
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}
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protected contentProto(): SignalService.Content {
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return new SignalService.Content({
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typingMessage: this.typingProto(),
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});
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}
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protected typingProto(): SignalService.TypingMessage {
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const ACTION_ENUM = SignalService.TypingMessage.Action;
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const action = this.isTyping ? ACTION_ENUM.STARTED : ACTION_ENUM.STOPPED;
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const finalTimestamp = this.typingTimestamp || Date.now();
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const typingMessage = new SignalService.TypingMessage();
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if (this.groupId) {
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typingMessage.groupId = new Uint8Array(
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StringUtils.encode(this.groupId.key, 'utf8')
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);
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}
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typingMessage.action = action;
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typingMessage.timestamp = finalTimestamp;
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return typingMessage;
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}
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}
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