From 603c3960422fc9976d270cf8dc57afd245caa6e4 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Mon, 8 Apr 2019 17:12:18 +0300
Subject: Embed links

---
 vnext/src/components/Message.css | 51 ++++++++++++++++++++++++++++++++++++++++
 vnext/src/components/Message.js  | 21 ++++++++++++-----
 vnext/src/utils/embed.js         |  4 ++++
 3 files changed, 70 insertions(+), 6 deletions(-)

diff --git a/vnext/src/components/Message.css b/vnext/src/components/Message.css
index 55bed2f2..1522c166 100644
--- a/vnext/src/components/Message.css
+++ b/vnext/src/components/Message.css
@@ -158,3 +158,54 @@ blockquote {
     font-size: x-large;
     margin: 0;
 }
+
+.embedContainer {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    justify-content: center;
+    padding: 12px;
+    margin: 30px -3px 15px -3px;
+}
+.embedContainer > * {
+    box-sizing: border-box;
+    flex-grow: 1;
+    margin: 3px;
+    min-width: 49%;
+}
+.embedContainer > .compact {
+    flex-grow: 0;
+}
+.embedContainer .picture img {
+    display: block;
+}
+.embedContainer img,
+.embedContainer video {
+    max-width: 100%;
+    max-height: 80vh;
+}
+.embedContainer > .audio,
+.embedContainer > .youtube {
+    min-width: 90%;
+}
+.embedContainer audio {
+    width: 100%;
+}
+.embedContainer iframe {
+    overflow: hidden;
+    resize: vertical;
+    display: block;
+}
+.msg-cont .nsfw .embedContainer img,
+.msg-cont .nsfw .embedContainer video,
+.msg-cont .nsfw .embedContainer iframe,
+.msg-cont .nsfw .ir img {
+    opacity: 0.1;
+}
+.msg-cont .nsfw .embedContainer img:hover,
+.msg-cont .nsfw .embedContainer video:hover,
+.msg-cont .nsfw .embedContainer iframe:hover,
+.msg-cont .nsfw .ir img:hover {
+    opacity: 1;
+}
+
diff --git a/vnext/src/components/Message.js b/vnext/src/components/Message.js
index e27e057b..6c78b4bc 100644
--- a/vnext/src/components/Message.js
+++ b/vnext/src/components/Message.js
@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useEffect, useRef } from 'react';
 import PropTypes from 'prop-types';
 import { Link } from 'react-router-dom';
 import moment from 'moment';
@@ -8,14 +8,24 @@ import Icon from './Icon';
 import Avatar from './Avatar';
 import { UserLink } from './UserInfo';
 
-import { format } from '../utils/embed';
+import { format, embedUrls } from '../utils/embed';
 
 import './Message.css';
 
-function Message({ data, visitor, children, ...rest }) {
+export default function Message({ data, visitor, children, ...rest }) {
     const isCode = (data.tags || []).indexOf('code') >= 0;
     const likesSummary = data.likes ? `${data.likes}` : 'Recommend';
     const commentsSummary = data.replies ? `${data.replies}` : 'Comment';
+    const embedRef = useRef();
+    const msgRef = useRef();
+    useEffect(() => {
+        if (msgRef.current) {
+            embedUrls(msgRef.current.querySelectorAll('a'), embedRef.current);
+            if (!embedRef.current.hasChildNodes()) {
+                embedRef.current.style.display = 'none';
+            }
+        }
+    }, []);
     return (
         <div className="msg-cont">
             <Recommendations forMessage={data} />
@@ -34,7 +44,7 @@ function Message({ data, visitor, children, ...rest }) {
             </header>
             {
                 data.body &&
-                <div className="msg-txt">
+                <div className="msg-txt" ref={msgRef}>
                     <MessageContainer isCode={isCode} data={{ __html: format(data.body, data.mid, isCode) }} />
                 </div>
             }
@@ -44,6 +54,7 @@ function Message({ data, visitor, children, ...rest }) {
                     <img src={`//i.juick.com/photos-512/${data.mid}.${data.attach}`} alt="" /></a>
                 </p>
             }
+            <div className="embedContainer" ref={embedRef} />
             <nav className="l">
                 {visitor.uid === data.user.uid ? (
                     <Link to={{ pathname: `/${data.user.uname}/${data.mid}` }} className="a-like msg-button">
@@ -75,8 +86,6 @@ function Message({ data, visitor, children, ...rest }) {
     );
 }
 
-export default React.memo(Message);
-
 function MessageContainer({ isCode, data }) {
     return isCode ? (<pre dangerouslySetInnerHTML={data} />) : (<p dangerouslySetInnerHTML={data} />);
 }
diff --git a/vnext/src/utils/embed.js b/vnext/src/utils/embed.js
index d4cbab8e..9767b121 100644
--- a/vnext/src/utils/embed.js
+++ b/vnext/src/utils/embed.js
@@ -320,6 +320,10 @@ function embedLinksToPost() {
   });
 }
 
+export function embedUrls(urls, embedContainer) {
+  embedLinks(urls, embedContainer);
+}
+
 /**
  * Embed all the links in all messages/replies on the page.
  */
-- 
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