cordis/client/webapp/elements/msg-img-res-cont.ts

import * as electronRemote from '@electron/remote';
const electronConsole = electronRemote.getGlobal('console') as Console;
import Logger from '../../../logger/logger';
const LOG = Logger.create(__filename, electronConsole);

import * as moment from 'moment';
import * as FileType from 'file-type';

import ElementsUtil from './require/elements-util.js';

import { Message, ShouldNeverHappenError } from '../data-types';
import ClientController from '../client-controller';
import Q from '../q-module';
import createImageOverlay from './overlay-image';
import createImageContextMenu from './context-menu-img';

export default function createImageResourceMessageContinued(document: Document, q: Q, server: ClientController, message: Message): HTMLElement {
	if (!message.resourceId || !message.resourcePreviewId || !message.resourceName) {
		throw new ShouldNeverHappenError('Message is not a resource message');
	}
	
	let element = q.create({ class: 'message continued', 'meta-id': message.id, 'meta-member-id': message.member.id, 'meta-server-id': server.id, content: [
		{ class: 'timestamp', content: moment(message.sent).format('HH:mm') },
		{ class: 'right', content: [
			{ class: 'content image', style: `width: ${message.previewWidth}px; height: ${message.previewHeight}px;`, content:
				{ tag: 'img', src: './img/loading.svg', alt: message.resourceName } }, // src will be replaced later
			{ class: 'content text', content: ElementsUtil.parseMessageText(message.text ?? '') }
		] }
	] }) as HTMLElement;
	q.$$$(element, '.content.image').addEventListener('click', () => {
		document.body.appendChild(createImageOverlay(document, q, server, message.resourceId as string, message.resourceName as string));
	});
	(async () => {
		try {
			let buffer = await server.fetchResource(message.resourcePreviewId as string);
			let src = await ElementsUtil.getImageBufferSrc(buffer);
			(q.$$$(element, '.content.image img') as HTMLImageElement).src = src;

			let { mime, ext } = (await FileType.fromBuffer(buffer)) ?? { mime: null, ext: null };

			if (mime === null || ext === null) throw new Error('unable to get mime/ext');

			q.$$$(element, '.content.image').addEventListener('contextmenu', (e) => {
				let contextMenu = createImageContextMenu(document, q, server, message.resourceName as string, buffer, mime as string, ext as string, true);
				document.body.appendChild(contextMenu);
				let relativeTo = { x: e.pageX, y: e.pageY };
				ElementsUtil.alignContextElement(contextMenu, relativeTo, { top: 'centerY', left: 'right' });
			});
		} catch (e) {
			LOG.error('error loading preview image', e);
			(q.$$$(element, '.content.image img') as HTMLImageElement).src = './img/error.png';
		}
	})();
	return element;
}