52 lines
1.1 KiB
TypeScript
52 lines
1.1 KiB
TypeScript
// Copyright 2019-2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import React from 'react';
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import type { LocalizerType } from '../../types/Util';
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export type Props = {
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unreadCount?: number;
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conversationId: string;
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scrollDown: (conversationId: string) => void;
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i18n: LocalizerType;
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};
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export const ScrollDownButton = ({
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conversationId,
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unreadCount,
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i18n,
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scrollDown,
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}: Props): JSX.Element => {
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const altText = unreadCount ? i18n('messagesBelow') : i18n('scrollDown');
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let badgeText: string | undefined;
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if (unreadCount) {
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if (unreadCount < 100) {
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badgeText = unreadCount.toString();
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} else {
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badgeText = '99+';
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}
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}
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return (
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<div className="ScrollDownButton">
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<button
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type="button"
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className="ScrollDownButton__button"
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onClick={() => {
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scrollDown(conversationId);
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}}
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title={altText}
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>
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{badgeText ? (
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<div className="ScrollDownButton__button__badge">{badgeText}</div>
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) : null}
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<div className="ScrollDownButton__button__icon" />
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</button>
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</div>
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);
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};
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