77 lines
2.8 KiB
TypeScript
77 lines
2.8 KiB
TypeScript
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/*
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Copyright 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 React, { useEffect } from "react";
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import { MatrixEvent } from "matrix-js-sdk/src/models/event";
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import { useStateToggle } from "../../../hooks/useStateToggle";
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import LinkPreviewWidget from "./LinkPreviewWidget";
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import AccessibleButton from "../elements/AccessibleButton";
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import { _t } from "../../../languageHandler";
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const INITIAL_NUM_PREVIEWS = 2;
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interface IProps {
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links: string[]; // the URLs to be previewed
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mxEvent: MatrixEvent; // the Event associated with the preview
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onCancelClick?(): void; // called when the preview's cancel ('hide') button is clicked
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onHeightChanged?(): void; // called when the preview's contents has loaded
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}
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const LinkPreviewGroup: React.FC<IProps> = ({ links, mxEvent, onCancelClick, onHeightChanged }) => {
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const [expanded, toggleExpanded] = useStateToggle();
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useEffect(() => {
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onHeightChanged();
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}, [onHeightChanged, expanded]);
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const shownLinks = expanded ? links : links.slice(0, INITIAL_NUM_PREVIEWS);
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let toggleButton;
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if (links.length > INITIAL_NUM_PREVIEWS) {
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toggleButton = <AccessibleButton onClick={toggleExpanded}>
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{ expanded
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? _t("Collapse")
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: _t("Show %(count)s other previews", { count: links.length - shownLinks.length }) }
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</AccessibleButton>;
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}
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return <div className="mx_LinkPreviewGroup">
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{ shownLinks.map((link, i) => (
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<LinkPreviewWidget key={link} link={link} mxEvent={mxEvent} onHeightChanged={onHeightChanged}>
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{ i === 0 ? (
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<AccessibleButton
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className="mx_LinkPreviewGroup_hide"
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onClick={onCancelClick}
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aria-label={_t("Close preview")}
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>
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<img
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className="mx_filterFlipColor"
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alt=""
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role="presentation"
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src={require("../../../../res/img/cancel.svg")}
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width="18"
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height="18"
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/>
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</AccessibleButton>
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): undefined }
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</LinkPreviewWidget>
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)) }
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{ toggleButton }
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</div>;
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};
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export default LinkPreviewGroup;
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