mirror of
https://github.com/element-hq/element-web
synced 2024-10-29 22:17:51 +03:00
7db7192701
This isn't an entirely side-effect-free refactoring: - the text of the timeline pills is now either the room ID/alias or user ID/ display name of the linked resource (which means that until we do a roundtrip to get user displaynames, mentions for users not in the current room will have their user IDs shown instead of what was in the link body). - timeline links to rooms without avatars are now rendered as links - fixed issue that would throw an error whilst rendering (i.e. unusable client) a room link to a room that the client doesn't know about
385 lines
15 KiB
JavaScript
385 lines
15 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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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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'use strict';
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import React from 'react';
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import ReactDOM from 'react-dom';
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import highlight from 'highlight.js';
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import * as HtmlUtils from '../../../HtmlUtils';
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import * as linkify from 'linkifyjs';
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import linkifyElement from 'linkifyjs/element';
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import linkifyMatrix from '../../../linkify-matrix';
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import sdk from '../../../index';
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import ScalarAuthClient from '../../../ScalarAuthClient';
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import Modal from '../../../Modal';
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import SdkConfig from '../../../SdkConfig';
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import dis from '../../../dispatcher';
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import { _t } from '../../../languageHandler';
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import UserSettingsStore from "../../../UserSettingsStore";
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import MatrixClientPeg from '../../../MatrixClientPeg';
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import {RoomMember} from 'matrix-js-sdk';
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import classNames from 'classnames';
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linkifyMatrix(linkify);
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module.exports = React.createClass({
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displayName: 'TextualBody',
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propTypes: {
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/* the MatrixEvent to show */
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mxEvent: React.PropTypes.object.isRequired,
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/* a list of words to highlight */
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highlights: React.PropTypes.array,
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/* link URL for the highlights */
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highlightLink: React.PropTypes.string,
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/* should show URL previews for this event */
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showUrlPreview: React.PropTypes.bool,
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/* callback for when our widget has loaded */
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onWidgetLoad: React.PropTypes.func,
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},
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getInitialState: function() {
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return {
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// the URLs (if any) to be previewed with a LinkPreviewWidget
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// inside this TextualBody.
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links: [],
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// track whether the preview widget is hidden
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widgetHidden: false,
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};
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},
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copyToClipboard: function(text) {
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const textArea = document.createElement("textarea");
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textArea.value = text;
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document.body.appendChild(textArea);
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textArea.select();
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try {
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const successful = document.execCommand('copy');
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} catch (err) {
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console.log('Unable to copy');
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}
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document.body.removeChild(textArea);
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},
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componentDidMount: function() {
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this._unmounted = false;
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// pillifyLinks BEFORE linkifyElement because plain room/user URLs in the composer
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// are still sent as plaintext URLs. If these are ever pillified in the composer,
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// we should be pillify them here by doing the linkifying BEFORE the pillifying.
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this.pillifyLinks(this.refs.content.children);
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linkifyElement(this.refs.content, linkifyMatrix.options);
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this.calculateUrlPreview();
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if (this.props.mxEvent.getContent().format === "org.matrix.custom.html") {
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const blocks = ReactDOM.findDOMNode(this).getElementsByTagName("code");
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if (blocks.length > 0) {
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// Do this asynchronously: parsing code takes time and we don't
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// need to block the DOM update on it.
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setTimeout(() => {
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if (this._unmounted) return;
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for (let i = 0; i < blocks.length; i++) {
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if (UserSettingsStore.getSyncedSetting("enableSyntaxHighlightLanguageDetection", false)) {
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highlight.highlightBlock(blocks[i])
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} else {
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// Only syntax highlight if there's a class starting with language-
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let classes = blocks[i].className.split(/\s+/).filter(function (cl) {
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return cl.startsWith('language-');
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});
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if (classes.length != 0) {
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highlight.highlightBlock(blocks[i]);
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}
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}
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}
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}, 10);
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}
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// add event handlers to the 'copy code' buttons
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const buttons = ReactDOM.findDOMNode(this).getElementsByClassName("mx_EventTile_copyButton");
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for (let i = 0; i < buttons.length; i++) {
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buttons[i].onclick = (e) => {
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const copyCode = buttons[i].parentNode.getElementsByTagName("code")[0];
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this.copyToClipboard(copyCode.textContent);
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};
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}
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}
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},
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componentDidUpdate: function() {
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this.calculateUrlPreview();
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},
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componentWillUnmount: function() {
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this._unmounted = true;
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},
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shouldComponentUpdate: function(nextProps, nextState) {
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//console.log("shouldComponentUpdate: ShowUrlPreview for %s is %s", this.props.mxEvent.getId(), this.props.showUrlPreview);
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// exploit that events are immutable :)
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return (nextProps.mxEvent.getId() !== this.props.mxEvent.getId() ||
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nextProps.highlights !== this.props.highlights ||
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nextProps.highlightLink !== this.props.highlightLink ||
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nextProps.showUrlPreview !== this.props.showUrlPreview ||
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nextState.links !== this.state.links ||
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nextState.widgetHidden !== this.state.widgetHidden);
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},
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calculateUrlPreview: function() {
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//console.log("calculateUrlPreview: ShowUrlPreview for %s is %s", this.props.mxEvent.getId(), this.props.showUrlPreview);
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if (this.props.showUrlPreview && !this.state.links.length) {
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var links = this.findLinks(this.refs.content.children);
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if (links.length) {
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// de-dup the links (but preserve ordering)
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const seen = new Set();
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links = links.filter((link) => {
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if (seen.has(link)) return false;
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seen.add(link);
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return true;
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});
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this.setState({ links: links });
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// lazy-load the hidden state of the preview widget from localstorage
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if (global.localStorage) {
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var hidden = global.localStorage.getItem("hide_preview_" + this.props.mxEvent.getId());
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this.setState({ widgetHidden: hidden });
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}
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}
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}
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},
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pillifyLinks: function(nodes) {
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for (let i = 0; i < nodes.length; i++) {
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const node = nodes[i];
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if (node.tagName === "A" && node.getAttribute("href")) {
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const href = node.getAttribute("href");
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// If the link is a (localised) matrix.to link, replace it with a pill
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const Pill = sdk.getComponent('elements.Pill');
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if (Pill.isMessagePillUrl(href)) {
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const pillContainer = document.createElement('span');
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const room = MatrixClientPeg.get().getRoom(this.props.mxEvent.getRoomId());
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const pill = <Pill url={href} inMessage={true} room={room}/>;
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ReactDOM.render(pill, pillContainer);
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node.parentNode.replaceChild(pillContainer, node);
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}
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} else if (node.children && node.children.length) {
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this.pillifyLinks(node.children);
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}
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}
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},
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findLinks: function(nodes) {
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var links = [];
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for (var i = 0; i < nodes.length; i++) {
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var node = nodes[i];
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if (node.tagName === "A" && node.getAttribute("href"))
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{
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if (this.isLinkPreviewable(node)) {
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links.push(node.getAttribute("href"));
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}
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}
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else if (node.tagName === "PRE" || node.tagName === "CODE" ||
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node.tagName === "BLOCKQUOTE") {
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continue;
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}
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else if (node.children && node.children.length) {
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links = links.concat(this.findLinks(node.children));
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}
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}
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return links;
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},
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isLinkPreviewable: function(node) {
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// don't try to preview relative links
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if (!node.getAttribute("href").startsWith("http://") &&
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!node.getAttribute("href").startsWith("https://"))
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{
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return false;
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}
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// as a random heuristic to avoid highlighting things like "foo.pl"
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// we require the linked text to either include a / (either from http://
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// or from a full foo.bar/baz style schemeless URL) - or be a markdown-style
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// link, in which case we check the target text differs from the link value.
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// TODO: make this configurable?
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if (node.textContent.indexOf("/") > -1)
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{
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return true;
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}
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else {
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var url = node.getAttribute("href");
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var host = url.match(/^https?:\/\/(.*?)(\/|$)/)[1];
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// never preview matrix.to links (if anything we should give a smart
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// preview of the room/user they point to: nobody needs to be reminded
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// what the matrix.to site looks like).
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if (host == 'matrix.to') return false;
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if (node.textContent.toLowerCase().trim().startsWith(host.toLowerCase())) {
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// it's a "foo.pl" style link
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return false;
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}
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else {
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// it's a [foo bar](http://foo.com) style link
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return true;
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}
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}
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},
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onCancelClick: function(event) {
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this.setState({ widgetHidden: true });
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// FIXME: persist this somewhere smarter than local storage
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if (global.localStorage) {
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global.localStorage.setItem("hide_preview_" + this.props.mxEvent.getId(), "1");
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}
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this.forceUpdate();
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},
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onEmoteSenderClick: function(event) {
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const mxEvent = this.props.mxEvent;
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dis.dispatch({
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action: 'insert_mention',
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user_id: mxEvent.getSender(),
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});
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},
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getEventTileOps: function() {
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var self = this;
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return {
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isWidgetHidden: function() {
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return self.state.widgetHidden;
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},
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unhideWidget: function() {
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self.setState({ widgetHidden: false });
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if (global.localStorage) {
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global.localStorage.removeItem("hide_preview_" + self.props.mxEvent.getId());
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}
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},
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};
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},
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onStarterLinkClick: function(starterLink, ev) {
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ev.preventDefault();
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// We need to add on our scalar token to the starter link, but we may not have one!
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// In addition, we can't fetch one on click and then go to it immediately as that
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// is then treated as a popup!
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// We can get around this by fetching one now and showing a "confirmation dialog" (hurr hurr)
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// which requires the user to click through and THEN we can open the link in a new tab because
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// the window.open command occurs in the same stack frame as the onClick callback.
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// Go fetch a scalar token
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let scalarClient = new ScalarAuthClient();
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scalarClient.connect().then(() => {
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let completeUrl = scalarClient.getStarterLink(starterLink);
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let QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
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let integrationsUrl = SdkConfig.get().integrations_ui_url;
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Modal.createDialog(QuestionDialog, {
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title: _t("Add an Integration"),
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description:
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<div>
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{_t("You are about to be taken to a third-party site so you can " +
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"authenticate your account for use with %(integrationsUrl)s. " +
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"Do you wish to continue?", { integrationsUrl: integrationsUrl })}
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</div>,
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button: _t("Continue"),
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onFinished: function(confirmed) {
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if (!confirmed) {
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return;
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}
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let width = window.screen.width > 1024 ? 1024 : window.screen.width;
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let height = window.screen.height > 800 ? 800 : window.screen.height;
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let left = (window.screen.width - width) / 2;
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let top = (window.screen.height - height) / 2;
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window.open(completeUrl, '_blank', `height=${height}, width=${width}, top=${top}, left=${left},`);
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},
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});
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});
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},
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render: function() {
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const EmojiText = sdk.getComponent('elements.EmojiText');
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var mxEvent = this.props.mxEvent;
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var content = mxEvent.getContent();
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var body = HtmlUtils.bodyToHtml(content, this.props.highlights, {});
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if (this.props.highlightLink) {
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body = <a href={ this.props.highlightLink }>{ body }</a>;
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}
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else if (content.data && typeof content.data["org.matrix.neb.starter_link"] === "string") {
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body = <a href="#" onClick={ this.onStarterLinkClick.bind(this, content.data["org.matrix.neb.starter_link"]) }>{ body }</a>;
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}
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var widgets;
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if (this.state.links.length && !this.state.widgetHidden && this.props.showUrlPreview) {
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var LinkPreviewWidget = sdk.getComponent('rooms.LinkPreviewWidget');
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widgets = this.state.links.map((link)=>{
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return <LinkPreviewWidget
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key={ link }
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link={ link }
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mxEvent={ this.props.mxEvent }
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onCancelClick={ this.onCancelClick }
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onWidgetLoad={ this.props.onWidgetLoad }/>;
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});
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}
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switch (content.msgtype) {
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case "m.emote":
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const name = mxEvent.sender ? mxEvent.sender.name : mxEvent.getSender();
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return (
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<span ref="content" className="mx_MEmoteBody mx_EventTile_content">
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*
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<EmojiText
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className="mx_MEmoteBody_sender"
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onClick={this.onEmoteSenderClick}
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>
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{name}
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</EmojiText>
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{ body }
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{ widgets }
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</span>
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);
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case "m.notice":
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return (
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<span ref="content" className="mx_MNoticeBody mx_EventTile_content">
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{ body }
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{ widgets }
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</span>
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);
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default: // including "m.text"
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return (
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<span ref="content" className="mx_MTextBody mx_EventTile_content">
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{ body }
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{ widgets }
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</span>
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);
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}
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},
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});
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