118 lines
3.0 KiB
TypeScript
118 lines
3.0 KiB
TypeScript
// Copyright 2022 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import React, { useEffect, useState } from 'react';
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import classNames from 'classnames';
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import { Blurhash } from 'react-blurhash';
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import type { AttachmentType } from '../types/Attachment';
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import type { LocalizerType } from '../types/Util';
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import { Spinner } from './Spinner';
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import { TextAttachment } from './TextAttachment';
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import { ThemeType } from '../types/Util';
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import {
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defaultBlurHash,
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isDownloaded,
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hasNotResolved,
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isDownloading,
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} from '../types/Attachment';
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import { getClassNamesFor } from '../util/getClassNamesFor';
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export type PropsType = {
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readonly attachment?: AttachmentType;
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i18n: LocalizerType;
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readonly isThumbnail?: boolean;
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readonly label: string;
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readonly moduleClassName?: string;
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readonly queueStoryDownload: (storyId: string) => unknown;
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readonly storyId: string;
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};
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export const StoryImage = ({
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attachment,
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i18n,
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isThumbnail,
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label,
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moduleClassName,
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queueStoryDownload,
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storyId,
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}: PropsType): JSX.Element | null => {
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const [attachmentBroken, setAttachmentBroken] = useState<boolean>(false);
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const shouldDownloadAttachment =
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!isDownloaded(attachment) && !isDownloading(attachment);
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useEffect(() => {
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if (shouldDownloadAttachment) {
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queueStoryDownload(storyId);
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}
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}, [queueStoryDownload, shouldDownloadAttachment, storyId]);
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if (!attachment) {
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return null;
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}
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const isPending = Boolean(attachment.pending);
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const isNotReadyToShow = hasNotResolved(attachment) || isPending;
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const getClassName = getClassNamesFor('StoryImage', moduleClassName);
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let storyElement: JSX.Element;
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if (attachment.textAttachment) {
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storyElement = (
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<TextAttachment i18n={i18n} textAttachment={attachment.textAttachment} />
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);
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} else if (isNotReadyToShow) {
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storyElement = (
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<Blurhash
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hash={attachment.blurHash || defaultBlurHash(ThemeType.dark)}
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height={attachment.height}
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width={attachment.width}
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/>
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);
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} else if (attachmentBroken) {
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storyElement = (
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<div
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aria-label={i18n('StoryImage__error')}
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className="StoryImage__error"
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/>
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);
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} else {
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storyElement = (
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<img
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alt={label}
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className={getClassName('__image')}
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onError={() => setAttachmentBroken(true)}
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src={
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isThumbnail && attachment.thumbnail
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? attachment.thumbnail.url
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: attachment.url
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}
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/>
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);
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}
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let spinner: JSX.Element | undefined;
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if (isPending) {
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spinner = (
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<div className="StoryImage__spinner-container">
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<div className="StoryImage__spinner-bubble" title={i18n('loading')}>
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<Spinner moduleClassName="StoryImage__spinner" svgSize="small" />
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</div>
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</div>
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);
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}
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return (
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<div
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className={classNames(
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getClassName(''),
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isThumbnail ? getClassName('--thumbnail') : undefined
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)}
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>
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{storyElement}
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{spinner}
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</div>
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);
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};
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