82 lines
2.6 KiB
TypeScript
82 lines
2.6 KiB
TypeScript
  
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/*
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Copyright 2022 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 React, { MouseEvent } from "react";
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import classNames from "classnames";
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import { formatCount } from "../../../../utils/FormattingUtils";
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import AccessibleButton from "../../elements/AccessibleButton";
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import { NotificationColor } from "../../../../stores/notifications/NotificationColor";
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interface Props {
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symbol: string | null;
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count: number;
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color: NotificationColor;
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onClick?: (ev: MouseEvent) => void;
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onMouseOver?: (ev: MouseEvent) => void;
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onMouseLeave?: (ev: MouseEvent) => void;
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children?: React.ReactChildren | JSX.Element;
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label?: string;
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}
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export function StatelessNotificationBadge({
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symbol,
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count,
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color,
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...props }: Props) {
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// Don't show a badge if we don't need to
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if (color === NotificationColor.None) return null;
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const hasUnreadCount = color >= NotificationColor.Grey && (!!count || !!symbol);
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const isEmptyBadge = symbol === null && count === 0;
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if (symbol === null && count > 0) {
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symbol = formatCount(count);
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}
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const classes = classNames({
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'mx_NotificationBadge': true,
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'mx_NotificationBadge_visible': isEmptyBadge ? true : hasUnreadCount,
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'mx_NotificationBadge_highlighted': color === NotificationColor.Red,
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'mx_NotificationBadge_dot': isEmptyBadge,
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'mx_NotificationBadge_2char': symbol?.length > 0 && symbol?.length < 3,
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'mx_NotificationBadge_3char': symbol?.length > 2,
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});
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if (props.onClick) {
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return (
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<AccessibleButton
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aria-label={props.label}
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{...props}
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className={classes}
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onClick={props.onClick}
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onMouseOver={props.onMouseOver}
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onMouseLeave={props.onMouseLeave}
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>
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<span className="mx_NotificationBadge_count">{ symbol }</span>
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{ props.children }
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</AccessibleButton>
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);
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}
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return (
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<div className={classes}>
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<span className="mx_NotificationBadge_count">{ symbol }</span>
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</div>
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);
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}
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