make broken image not clickable

css/base.css

@@ -511,6 +511,10 @@ table.permission-editor td.checkbox {
   cursor: pointer;
 }
 
+.image-clickable {
+  cursor: pointer;
+}
+
 /* END of top-level layout */
 
 /* Sidepanel styles */
@@ -548,38 +552,19 @@ table.permission-editor td.checkbox {
   flex-shrink: 0;
 }
 
-.bot-form, .bot-form.vlist {
+.bot-form {
   display: flex;
   flex-direction: column;
   overflow: hidden;
-  border: 1px solid #ccc;
-  border-radius: 0.25rem;
-  background-color: #eee;
   min-width: 8rem;
-}
+  line-height: 2rem;
-.bot-form.hlist {
-  flex-direction: row;
 }
 .bot-form div {
   min-height: 2rem;
   vertical-align: middle;
 }
-/* Nested bot forms should have not border */
-.bot-form .bot-form {
-  border: none;
-}
-
-/*
-Form element with non-interactive content
-needs padding.
-*/
-.bot-form div.dft {
-  padding: 0.25rem 1rem;
-  min-height: 2rem;
-  vertical-align: middle;
-}
-
 .bot-form button {
+  display: inline-block;
   margin: 0;
   width: 100%;
   background-color: #eef;
@@ -589,7 +574,9 @@ needs padding.
   height: 2rem;
   line-height: 2rem;
 }
-
+.bot-form > div > button {
+  width: auto;
+}
 .bot-form button:focus, button:hover, button:active {
   outline: 0;
   background-color: #e3f2fd;
@@ -779,8 +766,8 @@ i.search {
   display: flex;
   flex-direction: column;
   justify-content: space-around;
-  width: 3rem;
+  font-size: 2.4rem;
-  height: 3rem;
+  line-height: 3rem;
 }
 .contact-box .text-box {
   display: flex;
@@ -885,6 +872,7 @@ i.search {
 /* Styling of avatar upload control */
 .avatar-upload {
   display: flex;
+  position: relative;
   flex-direction: column;
   flex-shrink: 0;
   width: 7rem;
@@ -894,6 +882,19 @@ i.search {
   padding: 0;
 }
 
+.avatar-upload .clear-avatar {
+  position: absolute;
+  font-size: 1rem;
+  top: 0;
+  right: 0;
+  opacity: 0;
+  background-image: radial-gradient(#fff 40%, transparent 75%);
+}
+
+.avatar-upload:hover .clear-avatar {
+  opacity: 1;
+}
+
 .avatar-upload .avatar-box {
   position: relative;
   width: 7rem;
@@ -902,8 +903,6 @@ i.search {
 
 .avatar-upload .avatar-box > .material-icons {
   position: relative;
-  width: 7rem;
-  height: 7rem;
   font-size: 4rem;
   line-height: 7rem;
   vertical-align: middle;
@@ -1003,6 +1002,11 @@ i.search {
   margin-right: 0.35rem;
 }
 
+#topic-caption-panel .avatar-box > .material-icons {
+  font-size: 2.4rem;
+  line-height: 3rem;
+}
+
 #hide-message-view {
   display: block;
   margin-right: 0.35rem;
@@ -1316,7 +1320,6 @@ i.search {
   max-height: 24rem;
   overflow: hidden;
   border-radius: 0.1rem;
-  cursor: pointer;
   display: block;
 }
 
@@ -1684,16 +1687,16 @@ ul.tabbar li.active > a:after {
   font-size: 2.4rem;
 }
 
-#self-avatar.material-icons, .avatar-box .material-icons {
+#self-avatar .material-icons {
   font-size: 2.4rem;
-  width: 3rem;
-  height: 3rem;
   line-height: 3rem;
 }
 .avatar-box .material-icons {
   color: rgba(250, 250, 250, 0.8); /* #fafafa, gray 50 */
   background-color: #c0c0c0;
   border-radius: 50%;
+  width: inherit;
+  height: inherit;
 }
 
 .chip-input {
@@ -1778,7 +1781,8 @@ ul.tabbar li.active > a:after {
 }
 
 .chip .avatar-box .material-icons {
-  font-size: 1.8rem;
+  font-size: 1.4rem;
+  line-height: 1.8rem;
 }
 
 .chip .spacer {

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "tinode-webapp",
-  "version": "0.15.9-rc1",
+  "version": "0.15.12-rc3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1775,26 +1775,26 @@
       }
     },
     "browserslist": {
-      "version": "4.3.3",
+      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.3.3.tgz",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.4.1.tgz",
-      "integrity": "sha512-6h84UD1mmHeuQ9IucX6yzBc+KBYcBBTLYt2CXtY7GYCra6iE5kOm7oM+zuGw/0tjGtbJxjm58OvxSBmogEMCRQ==",
+      "integrity": "sha512-pEBxEXg7JwaakBXjATYw/D1YZh4QUSCX/Mnd/wnqSRPPSi1U39iDhDoKGoBUcraKdxDlrYqJxSI5nNvD+dWP2A==",
       "dev": true,
       "requires": {
-        "caniuse-lite": "^1.0.30000898",
+        "caniuse-lite": "^1.0.30000929",
-        "electron-to-chromium": "^1.3.81",
+        "electron-to-chromium": "^1.3.103",
-        "node-releases": "^1.0.0-alpha.15"
+        "node-releases": "^1.1.3"
       },
       "dependencies": {
         "caniuse-lite": {
-          "version": "1.0.30000899",
+          "version": "1.0.30000932",
-          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000899.tgz",
+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000932.tgz",
-          "integrity": "sha512-enC3zKfUCJxxwvUIsBkbHd54CtJw1KtIWvrK0JZxWD/fEN2knHaai45lndJ4xXAkyRAPyk60J3yagkKDWhfeMA==",
+          "integrity": "sha512-4bghJFItvzz8m0T3lLZbacmEY9X1Z2AtIzTr7s7byqZIOumASfr4ynDx7rtm0J85nDmx8vsgR6vnaSoeU8Oh0A==",
           "dev": true
         },
         "node-releases": {
-          "version": "1.0.0-alpha.15",
+          "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.0.0-alpha.15.tgz",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.3.tgz",
-          "integrity": "sha512-hKG6hd/g6a9OV/ARt2qrxbRhe/4WEMFohTLOB9PNyTYvvI59gICZFzt9/mMgpYUTts06qXlN8H6UjfbIRdnW8A==",
+          "integrity": "sha512-6VrvH7z6jqqNFY200kdB6HdzkgM96Oaj9v3dqGfgp6mF+cHmU4wyQKZ2/WPDRVoR0Jz9KqbamaBN0ZhdUaysUQ==",
           "dev": true,
           "requires": {
             "semver": "^5.3.0"
@@ -2780,9 +2780,9 @@
       }
     },
     "electron-to-chromium": {
-      "version": "1.3.82",
+      "version": "1.3.107",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.82.tgz",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.107.tgz",
-      "integrity": "sha512-NI4nB2IWGcU4JVT1AE8kBb/dFor4zjLHMLsOROPahppeHrR0FG5uslxMmkp/thO1MvPjM2xhlKoY29/I60s0ew==",
+      "integrity": "sha512-EEbV1rhZE6DfbZg/Dt85fyXd8S0oDNXvwgUqkQvxsVXmhNfHxDXRZXUURu/y2J6HSgk+58a56Qqk20U9X7KEbQ==",
       "dev": true
     },
     "elliptic": {
@@ -8105,11 +8105,6 @@
       "integrity": "sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=",
       "dev": true
     },
-    "tinode-sdk": {
-      "version": "0.15.8-rc1",
-      "resolved": "https://registry.npmjs.org/tinode-sdk/-/tinode-sdk-0.15.8-rc1.tgz",
-      "integrity": "sha512-139xdnrkBb6mPU4NiLuvMCZ2Ji/1WmP5WhHI7utdMirewq3l5jnQ0cF86iYBbOMaYhhnLLLsbbm4KjleP+1zHA=="
-    },
     "to-arraybuffer": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",

package.json

@@ -1,14 +1,14 @@
 {
   "name": "tinode-webapp",
   "description": "Tinode messenger for the web",
-  "version": "0.15.9-rc2",
+  "version": "0.15.12-rc3",
   "devDependencies": {
     "@babel/core": "^7.1.2",
     "@babel/preset-env": "^7.1.0",
     "@babel/preset-react": "^7.0.0",
     "babel-loader": "^8.0.4",
     "babel-plugin-react-intl": "^3.0.1",
-    "browserslist": "^4.3.3",
+    "browserslist": "^4.4.1",
     "cssnano": "^4.0.5",
     "webpack": "^4.23.1",
     "webpack-cli": "^3.1.2"
@@ -33,7 +33,9 @@
     "src/lib/*.js",
     "src/i18n/*.json",
     "umd/index.prod.js",
+    "umd/index.prod.js.map",
     "umd/index.dev.js",
+    "umd/index.dev.js.map",
     "audio/msg.mp3",
     "css/base.css",
     "css/base.min.css",
@@ -44,6 +46,7 @@
     "img/logo96.png",
     "img/logo192.png",
     "img/badge96.png",
+    "img/broken_image.png",
     "index-dev.html",
     "index.html",
     "manifest.json",
@@ -76,6 +79,6 @@
     "react": "^16.5.2",
     "react-dom": "^16.5.2",
     "react-intl": "^2.7.1",
-    "tinode-sdk": "^0.15.8-rc1"
+    "tinode-sdk": "^0.15.11-rc2"
   }
 }

src/config.js

@@ -32,6 +32,9 @@ export const REM_SIZE = 13;
 // a square of this size.
 export const AVATAR_SIZE = 128;
 
+// Size of the broken_image shown in MessagesView
+export const BROKEN_IMAGE_SIZE = 32;
+
 // Number of chat messages to fetch in one call.
 export const MESSAGES_PAGE = 24;
 

src/i18n/en.json

@@ -1,5 +1,5 @@
 {
-  "contacts_not_found": "You have no chats<br />¯\\\\_(ツ)_/¯",
+  "contacts_not_found": "You have no chats<br />¯∖_(ツ)_/¯",
   "full_name_prompt": "Full name, e.g. John Doe",
   "email_prompt": "Email, e.g. jdoe@example.com",
   "button_sign_up": "Sign up",
@@ -64,12 +64,16 @@
   "sidepanel_title_cred": "Confirm Credentials",
   "sidepanel_title_reset": "Reset Password",
   "update_available": "Update available. <a href=\"\">Reload</a>.",
+  "reconnect_countdown": "Disconnected. Reconnecting in {seconds}s…",
+  "reconnect_now": "Try now",
   "phone_dative": "phone",
   "email_dative": "email",
   "enter_confirmation_code_prompt": "Enter confirmation code sent to you by {method}:",
   "numeric_confirmation_code_prompt": "Numbers only",
   "button_confirm": "Confirm",
+  "save_attachment": "save",
   "invalid_content": "invalid content",
+  "user_not_found": "Not found",
   "badge_you": "you",
   "badge_owner": "owner",
   "menu_item_info": "Info",

src/i18n/ru.json

@@ -1,5 +1,5 @@
 {
-  "contacts_not_found": "Чатов нет<br />¯\\\\_(ツ)_/¯",
+  "contacts_not_found": "Чатов нет<br />¯∖_(ツ)_/¯",
   "full_name_prompt": "Полное имя, напр. Иван Петров",
   "email_prompt": "Email, напр. ivan@example.com",
   "button_sign_up": "Создать счет",
@@ -118,5 +118,9 @@
   "button_create": "Создать",
   "badge_you": "вы",
   "badge_owner": "влад.",
-  "update_available": "Есть новая версия приложения. <a href=\"\">Обновить</a>."
+  "update_available": "Есть новая версия приложения. <a href=\"\">Обновить</a>.",
+  "user_not_found": "Не найден",
+  "reconnect_countdown": "Нет связи. Подключение через {seconds}с…",
+  "reconnect_now": "Подключить сейчас.",
+  "save_attachment": "сохранить"
 }

src/lib/blob-helpers.js

@@ -15,7 +15,13 @@ export function makeImageUrl(photo) {
 // Returns an object which contains destination sizes, source sizes, and offsets
 // into source (when making square images).
 export function fitImageSize(width, height, maxWidth, maxHeight, forceSquare) {
-  if (!width || !height || !maxWidth || !maxHeight) {
+  // Sanitize input
+  width = width | 0;
+  height = height | 0;
+  maxWidth = maxWidth | 0;
+  maxHeight = maxHeight | 0;
+
+  if (width <= 0 || height <= 0 || maxWidth <= 0 || maxHeight <= 0) {
     return null;
   }
 

src/lib/strformat.js

@@ -1,7 +1,7 @@
 // Short representation of time in the past.
-export function shortDateFormat(then) {
+export function shortDateFormat(then, locale) {
-  var locale = window.navigator.userLanguage || window.navigator.language;
+  locale = locale || window.navigator.userLanguage || window.navigator.language;
-  var now = new Date();
+  const now = new Date();
   if (then.getFullYear() == now.getFullYear()) {
     if (then.getMonth() == now.getMonth() && then.getDate() == now.getDate()) {
 	    return then.toLocaleTimeString(locale, {hour12: false, hour: '2-digit', minute: '2-digit'});
@@ -20,19 +20,19 @@ export function bytesToHumanSize(bytes) {
     return '0 Bytes';
   }
 
-  var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB'];
+  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB'];
-  var bucket = Math.min(Math.floor(Math.log2(bytes) / 10) | 0, sizes.length-1);
+  const bucket = Math.min(Math.floor(Math.log2(bytes) / 10) | 0, sizes.length-1);
-  var count = bytes / Math.pow(1024, bucket);
+  const count = bytes / Math.pow(1024, bucket);
-  var round = bucket > 0 ? (count < 3 ? 2 : (count < 30 ? 1 : 0)) : 0;
+  const round = bucket > 0 ? (count < 3 ? 2 : (count < 30 ? 1 : 0)) : 0;
   return count.toFixed(round) + ' ' + sizes[bucket];
 }
 
 // Get 32 bit integer hash value for a string. Ideally it should produce the same value
 // as Java's String#hash().
 export function stringHash(value) {
-  var hash = 0;
+  let hash = 0;
   value = '' + value;
-  for (var i = 0; i < value.length; i++) {
+  for (let i = 0; i < value.length; i++) {
     hash = ((hash << 5) - hash) + value.charCodeAt(i);
     hash = hash & hash; // Convert to 32bit integer
   }

src/messages.json

@@ -1,6 +1,6 @@
 {
   "en": {
-    "contacts_not_found": "You have no chats<br />¯\\\\_(ツ)_/¯",
+    "contacts_not_found": "You have no chats<br />¯∖_(ツ)_/¯",
     "full_name_prompt": "Full name, e.g. John Doe",
     "email_prompt": "Email, e.g. jdoe@example.com",
     "button_sign_up": "Sign up",
@@ -65,12 +65,16 @@
     "sidepanel_title_cred": "Confirm Credentials",
     "sidepanel_title_reset": "Reset Password",
     "update_available": "Update available. <a href=\"\">Reload</a>.",
+    "reconnect_countdown": "Disconnected. Reconnecting in {seconds}s…",
+    "reconnect_now": "Try now",
     "phone_dative": "phone",
     "email_dative": "email",
     "enter_confirmation_code_prompt": "Enter confirmation code sent to you by {method}:",
     "numeric_confirmation_code_prompt": "Numbers only",
     "button_confirm": "Confirm",
+    "save_attachment": "save",
     "invalid_content": "invalid content",
+    "user_not_found": "Not found",
     "badge_you": "you",
     "badge_owner": "owner",
     "menu_item_info": "Info",
@@ -122,7 +126,7 @@
     "title_manage_tags": "Manage tags"
   },
   "ru": {
-    "contacts_not_found": "Чатов нет<br />¯\\\\_(ツ)_/¯",
+    "contacts_not_found": "Чатов нет<br />¯∖_(ツ)_/¯",
     "full_name_prompt": "Полное имя, напр. Иван Петров",
     "email_prompt": "Email, напр. ivan@example.com",
     "button_sign_up": "Создать счет",
@@ -241,6 +245,10 @@
     "button_create": "Создать",
     "badge_you": "вы",
     "badge_owner": "влад.",
-    "update_available": "Есть новая версия приложения. <a href=\"\">Обновить</a>."
+    "update_available": "Есть новая версия приложения. <a href=\"\">Обновить</a>.",
+    "user_not_found": "Не найден",
+    "reconnect_countdown": "Нет связи. Подключение через {seconds}с…",
+    "reconnect_now": "Подключить сейчас.",
+    "save_attachment": "сохранить"
   }
 }

src/version.js

@@ -1,3 +1,3 @@
 // This is a generated file. Don't edit.
 
-export const PACKAGE_VERSION = "0.15.9-rc2";
+export const PACKAGE_VERSION = "0.15.12-rc3";

src/views/contacts-view.jsx

@@ -32,7 +32,7 @@ export default class ContactsView extends React.Component {
   render() {
     return (
       <FormattedHTMLMessage id="contacts_not_found"
-        defaultMesage="You have no chats<br />¯\\\\_(ツ)_/¯"
+        defaultMesage="You have no chats<br />¯∖_(ツ)_/¯"
         description="HTML message shown in ContactList when no contacts are found">{
         (no_contacts) => <ContactList
           connected={this.props.connected}

src/views/edit-account-view.jsx

@@ -9,6 +9,7 @@ import PermissionsEditor from '../widgets/permissions-editor.jsx';
 import TagManager from '../widgets/tag-manager.jsx';
 
 import { makeImageUrl } from '../lib/blob-helpers.js';
+import { vcard } from '../lib/utils.js';
 
 export default class EditAccountView extends React.Component {
   constructor(props) {

src/views/info-view.jsx

@@ -16,6 +16,7 @@ import PermissionsEditor from '../widgets/permissions-editor.jsx';
 import TagManager from '../widgets/tag-manager.jsx';
 
 import { makeImageUrl } from '../lib/blob-helpers.js';
+import { vcard } from '../lib/utils.js';
 
 const messages = defineMessages({
   requested: {
@@ -96,8 +97,8 @@ class InfoView extends React.Component {
   }
 
   // No need to separately handle component mount.
-  UNSAFE_componentWillReceiveProps(props) {
+  componentDidUpdate(props) {
-    var topic = this.props.tinode.getTopic(props.topic);
+    let topic = this.props.tinode.getTopic(props.topic);
     if (!topic) {
       return;
     }
@@ -136,17 +137,17 @@ class InfoView extends React.Component {
   }
 
   resetSubs(topic, props) {
-    var newState = {contactList: []};
+    const newState = {contactList: []};
     if (topic.getType() == 'p2p') {
       // Fetch the other party in the p2p conversation.
       // Topic may not be ready yet, so check if user is found.
-      var user2 = topic.subscriber(props.topic);
+      const user2 = topic.subscriber(props.topic);
       if (user2) {
         newState.modeGiven2 = user2.acs.getGiven();
         newState.modeWant2 = user2.acs.getWant();
       }
     } else {
-      topic.subscribers(function(sub) {
+      topic.subscribers((sub) => {
         newState.contactList.push(sub);
       }, this);
     }
@@ -155,12 +156,13 @@ class InfoView extends React.Component {
   }
 
   resetDesc(topic, props) {
-    var defacs = topic.getDefaultAccess() || {};
+    const defacs = topic.getDefaultAccess() || {};
-    var acs = topic.getAccessMode();
+    const acs = topic.getAccessMode();
+
     this.setState({
       owner: acs && acs.isOwner(),
       admin: acs && acs.isAdmin(),
-      sharer: acs && (acs.isAdmin() || acs.isSharer()),
+      sharer: acs && acs.isSharer(),
       muted: acs && acs.isMuted(),
 
       fullName: topic.public ? topic.public.fn : undefined,
@@ -215,6 +217,7 @@ class InfoView extends React.Component {
   }
 
   handleFullNameUpdate(fn) {
+    fn = fn.trim();
     if (this.state.fullName !== fn) {
       this.setState({fullName: fn});
       this.props.onTopicDescUpdate(this.props.topic,
@@ -448,6 +451,7 @@ class InfoView extends React.Component {
                     placeholder={this.state.groupTopic ? "Group name" : <i>Unknown</i>}
                     readOnly={!this.state.owner}
                     value={this.state.fullName}
+                    required={true}
                     onFinished={this.handleFullNameUpdate} /></div>
                 <div>
                   <label className="small">

src/views/logo-view.jsx

@@ -17,8 +17,7 @@ export default class LogoView extends React.PureComponent {
           <h2>Tinode Web</h2>
         </a>
         <p><FormattedMessage id="label_client" defaultMessage="Client:" /> {version}</p>
-        <p><FormattedMessage id="label_server" defaultMessage="Server:" /> {this.props.serverVersion}
+        <p><FormattedMessage id="label_server" defaultMessage="Server:" /> {this.props.serverVersion} ({this.props.serverAddress})</p>
-          ({this.props.serverAddress})</p>
         </div>
       </div>
     );

src/views/messages-view.jsx

@@ -55,7 +55,7 @@ class MessagesView extends React.Component {
     this.propsChange = this.propsChange.bind(this);
     this.leave = this.leave.bind(this);
     this.handleScrollReference = this.handleScrollReference.bind(this);
-    this.fetchMoreMessages = this.fetchMoreMessages.bind(this);
+    this.handleScrollEvent = this.handleScrollEvent.bind(this);
     this.handleDescChange = this.handleDescChange.bind(this);
     this.handleSubsUpdated = this.handleSubsUpdated.bind(this);
     this.handleNewMessage = this.handleNewMessage.bind(this);
@@ -69,26 +69,29 @@ class MessagesView extends React.Component {
     this.handleBackNavigation = this.handleBackNavigation.bind(this);
   }
 
-  // Scroll last message into view on component update e.g. on message received.
+  // Scroll last message into view on component update e.g. on message received
+  // or vertical shrinking.
   componentDidUpdate(prevProps, prevState) {
-    if (this.messagesScroller &&
+    if (this.messagesScroller) {
-      (prevState.title != this.state.title ||
+      if (prevState.title != this.state.title || prevState.messages.length != this.state.messages.length) {
-        prevState.messages.length != this.state.messages.length)) {
         this.messagesScroller.scrollTop = this.messagesScroller.scrollHeight - this.state.scrollPosition;
+      } else if (prevProps.viewportHeight > this.props.viewportHeight) {
+        this.messagesScroller.scrollTop += prevProps.viewportHeight - this.props.viewportHeight;
+      }
     }
   }
 
   componentDidMount() {
     this.propsChange(this.props);
     if (this.messagesScroller) {
-      this.messagesScroller.addEventListener('scroll', this.fetchMoreMessages);
+      this.messagesScroller.addEventListener('scroll', this.handleScrollEvent);
     }
   }
 
   componentWillUnmount() {
     this.leave(this.state.topic);
     if (this.messagesScroller) {
-      this.messagesScroller.removeEventListener('scroll', this.fetchMoreMessages);
+      this.messagesScroller.removeEventListener('scroll', this.handleScrollEvent);
     }
   }
 
@@ -227,18 +230,19 @@ class MessagesView extends React.Component {
 
   handleScrollReference(node) {
     if (node) {
-      node.addEventListener('scroll', this.fetchMoreMessages);
+      node.addEventListener('scroll', this.handleScrollEvent);
       this.messagesScroller = node;
     }
   }
 
   // Get older messages
-  fetchMoreMessages(event) {
+  handleScrollEvent(event) {
+    this.setState({scrollPosition: event.target.scrollHeight - event.target.scrollTop});
     if (event.target.scrollTop <= 0) {
-      let newState = {scrollPosition: event.target.scrollHeight - event.target.scrollTop};
       this.setState((prevState, props) => {
+        let newState = {};
         if (!prevState.fetchingMessages) {
-          var topic = this.props.tinode.getTopic(this.state.topic);
+          let topic = this.props.tinode.getTopic(this.state.topic);
           if (topic && topic.isSubscribed() && topic.msgHasMoreMessages()) {
             newState.fetchingMessages = true;
             topic.getMessagesPage(MESSAGES_PAGE).catch((err) => {
@@ -467,7 +471,8 @@ class MessagesView extends React.Component {
         if (cont.online) {
           lastSeen = formatMessage(messages.online_now);
         } else if (cont.seen) {
-          lastSeen = formatMessage(messages.last_seen) + ": " + shortDateFormat(cont.seen.when);
+          lastSeen = formatMessage(messages.last_seen) + ": " +
+            shortDateFormat(cont.seen.when, this.props.intl.locale);
           // TODO: also handle user agent in c.seen.ua
         }
       }

src/views/new-topic-view.jsx

@@ -8,14 +8,14 @@ import NewTopicGroup from '../widgets/new-topic-group.jsx';
 import SearchContacts from '../widgets/search-contacts.jsx';
 
 import HashNavigation from '../lib/navigation.js';
+import { vcard } from '../lib/utils.js';
 
 export default class NewTopicView extends React.Component {
   constructor(props) {
     super(props);
 
     this.state = {
-      tabSelected: 'p2p',
+      tabSelected: 'p2p'
-      contactList: props.searchResults
     };
 
     this.handleTabClick = this.handleTabClick.bind(this);
@@ -28,12 +28,6 @@ export default class NewTopicView extends React.Component {
     this.props.onInitFind();
   }
 
-  static getDerivedStateFromProps(nextProps, prevState) {
-    return {
-      contactList: nextProps.searchResults
-    };
-  }
-
   handleTabClick(e) {
     e.preventDefault();
     HashNavigation.navigateTo(HashNavigation.addUrlParam(window.location.hash, 'tab', e.currentTarget.dataset.id));
@@ -92,10 +86,9 @@ export default class NewTopicView extends React.Component {
             <FormattedMessage id="search_for_contacts" defaultMessage="Use search to find contacts"
               description="Prompt in search field.">{
               (search_for_contacts) => <ContactList
-                contacts={this.state.contactList}
+                contacts={this.props.searchResults}
                 myUserId={this.props.myUserId}
                 emptyListMessage={search_for_contacts}
-                topicSelected={this.state.selectedContact}
                 showOnline={false}
                 showUnread={false}
                 showContextMenu={false}

src/views/settings-view.jsx

@@ -32,7 +32,6 @@ export default class SettingsView extends React.PureComponent {
 
   handleServerAddressChange(name) {
     this.setState({serverAddress: name});
-    this.props.onServerAddressChange(name);
   }
 
   render() {

src/views/sidepanel-view.jsx

@@ -96,6 +96,8 @@ class SidepanelView extends React.Component {
         <ErrorPanel
           level={this.props.errorLevel}
           text={this.props.errorText}
+          action={this.props.errorAction}
+          actionText={this.props.errorActionText}
           onClearError={this.props.onError} />
 
         {view === 'login' ?
@@ -114,7 +116,6 @@ class SidepanelView extends React.Component {
           <SettingsView
             transport={this.props.transport}
             serverAddress={this.props.serverAddress}
-            onServerAddressChange={this.props.onGlobalSettings}
             onCancel={this.props.onCancel}
             onUpdate={this.props.onGlobalSettings} /> :
 

src/views/tinode-web.jsx

@@ -29,6 +29,16 @@ const messages = defineMessages({
     id: 'update_available',
     defaultMessage: 'Update available. <a href="">Reload</a>.',
     description: 'Message shown when an app update is available.'
+  },
+  reconnect_countdown: {
+    id: 'reconnect_countdown',
+    defaultMessage: 'Disconnected. Reconnecting in {seconds}s…',
+    description: 'Message shown when an app update is available.'
+  },
+  reconnect_now: {
+    id: 'reconnect_now',
+    defaultMessage: 'Try now',
+    description: 'Prompt for reconnecting now'
   }
 });
 
@@ -48,6 +58,7 @@ class TinodeWeb extends React.Component {
     this.handleError = this.handleError.bind(this);
     this.handleLoginRequest = this.handleLoginRequest.bind(this);
     this.handleConnected = this.handleConnected.bind(this);
+    this.handleAutoreconnectIteration = this.handleAutoreconnectIteration.bind(this);
     this.doLogin = this.doLogin.bind(this);
     this.handleCredentialsRequest = this.handleCredentialsRequest.bind(this);
     this.handleLoginSuccessful = this.handleLoginSuccessful.bind(this);
@@ -112,6 +123,8 @@ class TinodeWeb extends React.Component {
 
       errorText: '',
       errorLevel: null,
+      errorAction: undefined,
+      errorActionText: null,
 
       sidePanelSelected: 'login',
       sidePanelTitle: null,
@@ -156,11 +169,15 @@ class TinodeWeb extends React.Component {
     // Window/tab visible or invisible for pausing timers.
     document.addEventListener('visibilitychange', this.handleVisibilityEvent);
 
-    this.setState({viewportWidth: document.documentElement.clientWidth});
+    this.setState({
+      viewportWidth: document.documentElement.clientWidth,
+      viewportHeight: document.documentElement.clientHeight
+    });
 
     this.tinode = TinodeWeb.tnSetup(this.state.serverAddress, this.state.transport);
     this.tinode.onConnect = this.handleConnected;
     this.tinode.onDisconnect = this.handleDisconnect;
+    this.tinode.onAutoreconnectIteration = this.handleAutoreconnectIteration;
 
     // Initialize desktop alerts.
     if (this.state.desktopAlertsEnabled) {
@@ -230,7 +247,10 @@ class TinodeWeb extends React.Component {
 
   handleResize() {
     var mobile = document.documentElement.clientWidth <= MEDIA_BREAKPOINT;
-    this.setState({viewportWidth: document.documentElement.clientWidth});
+    this.setState({
+      viewportWidth: document.documentElement.clientWidth,
+      viewportHeight: document.documentElement.clientHeight
+    });
     if (this.state.displayMobile != mobile) {
       this.setState({displayMobile: mobile});
     }
@@ -316,8 +336,8 @@ class TinodeWeb extends React.Component {
     this.handleAppVisibility(!document.hidden, this.readTimerCallback);
   }
 
-  handleError(err, level) {
+  handleError(err, level, action, actionText) {
-    this.setState({errorText: err, errorLevel: level});
+    this.setState({errorText: err, errorLevel: level, errorAction: action, errorActionText: actionText});
   }
 
   // User clicked Login button in the side panel.
@@ -345,6 +365,58 @@ class TinodeWeb extends React.Component {
     this.doLogin(this.state.login, this.state.password, {meth: this.state.credMethod, resp: this.state.credCode});
   }
 
+  // Called for each auto-reconnect iteration.
+  handleAutoreconnectIteration(sec, prom) {
+    clearInterval(this.reconnectCountdown);
+
+    if (sec < 0) {
+      // Clear error
+      this.handleError();
+      return;
+    }
+
+    if (prom) {
+      // Reconnecting now
+      prom.then(() => {
+        // Reconnected: clear error
+        this.handleError();
+      }).catch((err) => {
+        this.handleError(err.message, 'err');
+      });
+      return;
+    }
+
+    const {formatHTMLMessage} = this.props.intl;
+    let count = sec / 1000;
+    count = count | count;
+    this.reconnectCountdown = setInterval(() => {
+      this.handleError(
+        formatHTMLMessage(messages.reconnect_countdown, {seconds: count}),
+        'warn',
+        () => {
+          clearInterval(this.reconnectCountdown);
+          this.tinode.reconnect();
+        },
+        formatHTMLMessage(messages.reconnect_now)
+      );
+      count -= 1;
+    }, 1000);
+  }
+
+  // Connection lost
+  handleDisconnect(err) {
+    this.setState({
+      connected: false,
+      topicSelectedOnline: false,
+      dialogSelected: null,
+      errorText: err && err.message ? err.message : "Disconnected",
+      errorLevel: err && err.message ? 'err' : 'warn',
+      loginDisabled: false,
+      contextMenuVisible: false,
+      serverVersion: "no connection"
+    });
+  }
+
   doLogin(login, password, cred) {
     if (this.tinode.isAuthenticated()) {
       // Already logged in. Go to default screen.
@@ -427,19 +499,6 @@ class TinodeWeb extends React.Component {
     HashNavigation.navigateTo(HashNavigation.setUrlSidePanel(window.location.hash, 'contacts'));
   }
 
-  handleDisconnect(err) {
-    this.setState({
-      connected: false,
-      topicSelectedOnline: false,
-      dialogSelected: null,
-      errorText: err && err.message ? err.message : "Disconnected",
-      errorLevel: err && err.message ? 'err' : 'warn',
-      loginDisabled: false,
-      contextMenuVisible: false,
-      serverVersion: "no connection"
-    });
-  }
-
   tnMeMetaDesc(desc) {
     if (desc && desc.public) {
       this.setState({
@@ -546,7 +605,7 @@ class TinodeWeb extends React.Component {
 
   // Sending "received" notifications
   tnData(data) {
-    let topic = this.tinode.getTopic(data.topic);
+    const topic = this.tinode.getTopic(data.topic);
     if (topic.msgStatus(data) >= Tinode.MESSAGE_STATUS_SENT) {
       clearTimeout(this.receivedTimer);
       this.receivedTimer = setTimeout(() => {
@@ -558,11 +617,11 @@ class TinodeWeb extends React.Component {
 
   /* Fnd topic: find contacts by tokens */
   tnInitFind() {
-    let fnd = this.tinode.getFndTopic();
+    const fnd = this.tinode.getFndTopic();
+    fnd.onSubsUpdated = this.tnFndSubsUpdated;
     if (fnd.isSubscribed()) {
       this.tnFndSubsUpdated();
     } else {
-      fnd.onSubsUpdated = this.tnFndSubsUpdated;
       fnd.subscribe(fnd.startMetaQuery().withSub().withTags().build()).catch((err) => {
         this.handleError(err.message, 'err');
       });
@@ -570,7 +629,7 @@ class TinodeWeb extends React.Component {
   }
 
   tnFndSubsUpdated() {
-    let foundContacts = [];
+    const foundContacts = [];
     // Don't attempt to create P2P topics which already exist. Server will reject the duplicates.
     this.tinode.getFndTopic().contacts((s) => {
       foundContacts.push(s);
@@ -585,7 +644,7 @@ class TinodeWeb extends React.Component {
     @param query {Array} is an array of contacts to search for
    */
   handleSearchContacts(query) {
-    var fnd = this.tinode.getFndTopic();
+    const fnd = this.tinode.getFndTopic();
     fnd.setMeta({desc: {public: query}}).then((ctrl) => {
       return fnd.getMeta(fnd.startMetaQuery().withSub().build());
     }).catch((err) => {
@@ -842,9 +901,9 @@ class TinodeWeb extends React.Component {
   }
 
   handleTopicUpdateRequest(topicName, pub, priv, permissions) {
-    var topic = this.tinode.getTopic(topicName);
+    const topic = this.tinode.getTopic(topicName);
     if (topic) {
-      var params = {};
+      const params = {};
       if (pub) {
         params.public = pub;
       }
@@ -862,9 +921,9 @@ class TinodeWeb extends React.Component {
   }
 
   handleChangePermissions(topicName, mode, uid) {
-    var topic = this.tinode.getTopic(topicName);
+    const topic = this.tinode.getTopic(topicName);
     if (topic) {
-      var am = topic.getAccessMode();
+      const am = topic.getAccessMode();
       if (uid) {
         am.updateGiven(mode);
         mode = am.getGiven();
@@ -1063,8 +1122,12 @@ class TinodeWeb extends React.Component {
           login={this.state.login}
           myUserId={this.state.myUserId}
           loginDisabled={this.state.loginDisabled}
+
           errorText={this.state.errorText}
           errorLevel={this.state.errorLevel}
+          errorAction={this.state.errorAction}
+          errorActionText={this.state.errorActionText}
+
           topicSelected={this.state.topicSelected}
           chatList={this.state.chatList}
           credMethod={this.state.credMethod}
@@ -1108,14 +1171,19 @@ class TinodeWeb extends React.Component {
           acs={this.state.topicSelectedAcs}
           displayMobile={this.state.displayMobile}
           viewportWidth={this.state.viewportWidth}
+          viewportHeight={this.state.viewportHeight}
           hideSelf={this.state.displayMobile &&
             (this.state.mobilePanel !== 'topic-view' || this.state.showInfoPanel)}
           topic={this.state.topicSelected}
           myUserId={this.state.myUserId}
           serverVersion={this.state.serverVersion}
           serverAddress={this.state.serverAddress}
+
           errorText={this.state.errorText}
           errorLevel={this.state.errorLevel}
+          errorAction={this.state.errorAction}
+          errorActionText={this.state.errorActionText}
+
           newGroupTopicParams={this.state.newGroupTopicParams}
 
           onHideMessagesView={this.handleHideMessagesView}
@@ -1134,8 +1202,11 @@ class TinodeWeb extends React.Component {
             topic={this.state.topicSelected}
             searchableContacts={this.state.searchableContacts}
             myUserId={this.state.myUserId}
+
             errorText={this.state.errorText}
             errorLevel={this.state.errorLevel}
+            errorAction={this.state.errorAction}
+            errorActionText={this.state.errorActionText}
 
             onTopicDescUpdate={this.handleTopicUpdateRequest}
             onCancel={this.handleHideInfoView}

src/widgets/attachment.jsx

@@ -1,4 +1,5 @@
 import React from 'react';
+import { FormattedMessage } from 'react-intl';
 
 import FileProgress from './file-progress.jsx';
 import { bytesToHumanSize } from '../lib/strformat.js';
@@ -73,7 +74,8 @@ export default class Attachment extends React.Component {
               onCancel={this.handleCancel} />
             :
             <div><a href={url} download={this.props.filename} onClick={helperFunc} >
-              <i className="material-icons">file_download</i> save
+              <i className="material-icons">file_download</i> <FormattedMessage id="save_attachment"
+                defaultMessage="save" description="Call to save an attachment" />
             </a></div>
           }
         </div>

src/widgets/avatar-upload.jsx

@@ -14,6 +14,7 @@ export default class AvatarUpload extends React.Component {
     };
 
     this.handleFileUpload = this.handleFileUpload.bind(this);
+    this.handleClear = this.handleClear.bind(this);
   }
 
   static getDerivedStateFromProps(nextProps, prevState) {
@@ -41,12 +42,21 @@ export default class AvatarUpload extends React.Component {
     e.target.value = '';
   }
 
+  handleClear() {
+    this.props.onImageChanged(null);
+  }
+
   render() {
     // Randomize id value in case more than one AvatarUpload is shown
     // at the same time.
     var randId = "file-input-avatar-" + (Math.random() + '').substr(2);
     return (
       <div className="avatar-upload">
+        {this.props.readOnly || !this.state.dataUrl ?
+          null :
+          <a href="javascript:;" className="clear-avatar" onClick={this.handleClear}>
+            <i className="material-icons">clear</i>
+          </a>}
         {this.state.dataUrl ?
           <img src={this.state.dataUrl} className="preview" /> :
           this.props.readOnly && this.props.uid ?

src/widgets/chat-message.jsx

@@ -50,9 +50,6 @@ export default class ChatMessage extends React.Component {
     if (e.target.dataset.act == 'url') {
       data.ref = '' + e.target.dataset.ref;
     }
-    if (e.target.dataset.formname) {
-      data.name = '' + e.target.dataset.formname;
-    }
     const text = e.target.dataset.title || 'unknown';
     this.props.onFormResponse(e.target.dataset.act, text, data);
   }
@@ -133,7 +130,15 @@ export default class ChatMessage extends React.Component {
               </a>
             </span>
           </div>
-          {fullDisplay ? <div className="author">{this.props.userName}</div> : null}
+          {fullDisplay ?
+            <div className="author">
+              <FormattedMessage id="user_not_found" defaultMessage="Not found"
+                description="In place of a user's full name when the user is not found.">{
+                    (notFound) => {return this.props.userName || <i>{notFound}</i>}
+              }</FormattedMessage>
+            </div>
+            : null
+          }
         </div>
       </li>
     );
@@ -141,7 +146,7 @@ export default class ChatMessage extends React.Component {
 };
 
 // Convert Drafty object to a tree of React elements.
-import { REM_SIZE } from '../config.js';
+import { BROKEN_IMAGE_SIZE, REM_SIZE } from '../config.js';
 import { fitImageSize } from '../lib/blob-helpers.js';
 
 function draftyFormatter(style, data, values, key) {
@@ -154,24 +159,37 @@ function draftyFormatter(style, data, values, key) {
         // Additional processing for images
         if (data) {
           attr.className = 'inline-image';
-          attr.onClick = this.handlePreviewImage;
           let dim = fitImageSize(data.width, data.height,
             Math.min(this.props.viewportWidth - REM_SIZE * 4, REM_SIZE * 36), REM_SIZE * 24, false);
-          attr.style = dim ? { width: dim.dstWidth + 'px', height: dim.dstHeight + 'px' } : null;
+          dim = dim || {dstWidth: BROKEN_IMAGE_SIZE, dstHeight: BROKEN_IMAGE_SIZE};
+          attr.style = { width: dim.dstWidth + 'px', height: dim.dstHeight + 'px' };
+          if (attr.src) {
+            attr.onClick = this.handlePreviewImage;
+            attr.className += ' image-clickable';
+          } else {
+            attr.src = 'img/broken_image.png';
+          }
         }
         break;
       case 'BN':
         // Button
         attr.onClick = this.handleFormButtonClick;
+        let inner = React.Children.map(values, (child) => {
+          return typeof child == 'string' ? child : undefined;
+        });
+        if (!inner || inner.length == 0) {
+          inner = [attr.name]
+        }
+        // Get text which will be sent back when the button is clicked.
+        attr['data-title'] = inner.join('');
         break;
       case 'FM':
         // Form
-        attr.className = 'bot-form' + ((data && data.layout) ? ' ' + data.layout : '');
+        attr.className = 'bot-form';
         // console.log(data, attr);
         break;
       case 'FE':
         // Form element formatting is dependent on element content.
-        attr.className = data && data.dftp ? data.dftp : '';
         break;
     }
     return React.createElement(el, attr, values);

src/widgets/contact-list.jsx

@@ -27,11 +27,11 @@ class ContactList extends React.Component {
     const contactNodes = [];
     if (this.props.contacts && this.props.contacts.length > 0) {
       this.props.contacts.map((c) => {
-        var key = c.topic ? c.topic : c.user;
+        let key = c.topic ? c.topic : c.user;
         // If filter function is provided, filter out the items
         // which don't satisfy the condition.
         if (this.props.filterFunc && this.props.filter) {
-          var content = [key];
+          let content = [key];
           if (c.private && c.private.comment) {
             content.push(('' + c.private.comment).toLowerCase());
           }
@@ -43,10 +43,10 @@ class ContactList extends React.Component {
           }
         }
 
-        var selected = showCheckmark ?
+        let selected = showCheckmark ?
           (this.props.topicSelected.indexOf(key) > -1) :
           (this.props.topicSelected === key);
-        var badges = [];
+        let badges = [];
         if (this.props.showMode) {
           if (key === this.props.myUserId) {
             badges.push({name: formatMessage(messages.badge_you), color: 'green'});
@@ -55,7 +55,7 @@ class ContactList extends React.Component {
             badges.push({name: formatMessage(messages.badge_owner), color: 'blue'});
           }
         }
-        var comment = Array.isArray(c.private) ?
+        let comment = Array.isArray(c.private) ?
           c.private.join(',') : (c.private ? c.private.comment : null);
 
         contactNodes.push(

src/widgets/contact.jsx

@@ -36,9 +36,9 @@ export default class Contact extends React.Component {
       // FIXME: this is probably wrong for RTL languages.
       title = title.substring(0, 28) + '...';
     }
-    let online = this.props.now ? 'online' : 'offline';
+    const online = this.props.now ? 'online' : 'offline';
-    let avatar = this.props.avatar ? this.props.avatar : true;
+    const avatar = this.props.avatar ? this.props.avatar : true;
-    let badges = this.props.badges.slice();
+    const badges = this.props.badges ? this.props.badges.slice() : [];
     if (this.props.showMode && this.props.acs) {
       badges.push({name: this.props.acs.getMode(), key: 'mode'});
     }

src/widgets/context-menu.jsx

@@ -170,15 +170,19 @@ class ContextMenu extends React.Component {
       console.log("Topic not found: ", params.topicName);
       return;
     }
+
     // We don't know if the message is still pending (e.g. attachment is being uploaded),
     // so try cancelling first. No harm if we can't cancel.
-    if (topic.cancelSend(params.seq)) {
+    // The message can be cancelled if transmission to the server has not
-      return Promise.resolve();
+    // started yet or if the message send has failed.
+    if (!all && topic.cancelSend(params.seq)) {
+      return;
     }
     // Can't cancel. Delete instead.
-    var promise = all ?
+    let promise = all ?
       topic.delMessagesAll(hard) :
       topic.delMessagesList([params.seq], hard);
+
     promise.catch((err) => {
       if (errorHandler) {
         errorHandler(err.message, 'err');

src/widgets/error-panel.jsx

@@ -33,7 +33,14 @@ export default class ErrorPanel extends React.PureComponent {
     return (
       <div className={className}>
         <div className="icon"><i className="material-icons">{level}</i></div>
+        <span>
           <span dangerouslySetInnerHTML={{__html: this.props.text}} />
+          {this.props.action ?
+            <a href="javascript:;" onClick={this.props.action}>
+              {this.props.actionText}
+            </a>
+          : null}
+        </span>
         <div className="cancel"><MenuCancel onCancel={this.hide} /></div>
       </div>
     );

src/widgets/group-subs.jsx

@@ -8,21 +8,11 @@ import { makeImageUrl } from '../lib/blob-helpers.js';
 export default class GroupSubs extends React.Component {
   constructor(props) {
     super(props);
-
-    this.state = {
-      onlineSubs: props.subscribers || []
-    };
-  }
-
-  static getDerivedStateFromProps(nextProps, prevState) {
-    return {
-      onlineSubs: nextProps.subscribers ? nextProps.subscribers : []
-    };
   }
 
   render() {
-    var usersOnline = [];
+    const usersOnline = [];
-    this.state.onlineSubs.map((sub) => {
+    (this.props.subscribers || []).map((sub) => {
       usersOnline.push(
         <div className="avatar-box" key={sub.user}>
           <LetterTile

src/widgets/image-preview.jsx

@@ -23,19 +23,21 @@ export default class ImagePreview extends React.PureComponent {
     if (!this.props.content) {
       return null;
     }
-    var instance = this;
+    const instance = this;
-    var dim = fitImageSize(this.props.content.width, this.props.content.height,
+    const dim = fitImageSize(this.props.content.width, this.props.content.height,
       this.state.width, this.state.height, false);
-    var size = dim ? { width: dim.dstWidth + 'px', height: dim.dstHeight + 'px' } :
+    const size = dim ? { width: dim.dstWidth + 'px', height: dim.dstHeight + 'px' } :
       ((this.props.content.width > this.props.content.height) ? {width: '100%'} : {height: '100%'});
     size.maxWidth = '100%';
     size.maxHeight = '100%';
 
-    var filename = this.props.content.filename;
+    let filename = this.props.content.filename;
-    var maxlength = (this.props.content.width / REM_SIZE) | 0;
+    const maxlength = (this.props.content.width / REM_SIZE) | 0;
     if (filename.length > maxlength) {
       filename = filename.slice(0, maxlength-2) + '...' + filename.slice(2-maxlength);
     }
+    const width = this.props.content.width || '-';
+    const height = this.props.content.height || '-';
     return (
       <div id="image-preview" onClick={this.props.onClose}>
         <div id="image-preview-caption-panel">
@@ -52,7 +54,7 @@ export default class ImagePreview extends React.PureComponent {
           <div>
             <div><b><FormattedMessage id="label_file_name" defaultMessage="File name:"
               description="Label for a file name" /></b></div>
-            <div><span title={this.props.content.filename}>{filename}</span></div>
+            <div><span title={this.props.content.filename}>{filename ? filename : '-'}</span></div>
           </div>
           <div>
             <div><b><FormattedMessage id="label_content_type" defaultMessage="Content type:"
@@ -62,7 +64,7 @@ export default class ImagePreview extends React.PureComponent {
           <div>
             <div><b><FormattedMessage id="label_size" defaultMessage="Size:"
               description="Label for file size" /></b></div>
-            <div>{this.props.content.width} &times; {this.props.content.height} px; {bytesToHumanSize(this.props.content.size)}</div>
+            <div>{width} &times; {height} px; {bytesToHumanSize(this.props.content.size)}</div>
           </div>
         </div>
       </div>

src/widgets/in-place-edit.jsx

@@ -43,7 +43,7 @@ export default class InPlaceEdit extends React.Component {
       this.setState({value: this.props.value, active: false});
     } else if (e.keyCode === 13) {
       // Enter pressed
-      this.handleEditingFinished();
+      this.handleEditingFinished(e);
     }
   }
 
@@ -54,7 +54,12 @@ export default class InPlaceEdit extends React.Component {
     }
   }
 
-  handleEditingFinished() {
+  handleEditingFinished(event) {
+    if (this.props.required && !event.target.checkValidity()) {
+      // Empty input
+      this.setState({value: this.props.value, active: false});
+      return;
+    }
     this.setState({active: false});
     let value = this.state.value.trim();
     if ((value || this.props.value) && (value !== this.props.value)) {

src/widgets/letter-tile.jsx

@@ -18,7 +18,9 @@ export default class LetterTile extends React.PureComponent {
           <i className="material-icons">person</i>;
       }
     } else if (this.props.avatar) {
-      avatar = <img className="avatar" alt="avatar" src={this.props.avatar} />;
+      // If avatar image is invalid, show a placeholder.
+      avatar = <img className="avatar" alt="avatar" src={this.props.avatar}
+        onError={(e)=>{e.target.onerror = null; e.target.src="/img/broken_image.png"}} />;
     } else {
       avatar = null;
     }

src/widgets/received-marker.jsx

@@ -28,7 +28,7 @@ class ReceivedMarker extends React.PureComponent {
     } else if (this.props.received == Tinode.MESSAGE_STATUS_FAILED) {
       timestamp = formatMessage(messages.failed);
     } else {
-      timestamp = shortDateFormat(this.props.timestamp);
+      timestamp = shortDateFormat(this.props.timestamp, this.props.intl.locale);
     }
 
     let marker = null;

src/widgets/send-message.jsx

@@ -49,11 +49,15 @@ class SendMessage extends React.PureComponent {
   }
 
   componentDidMount() {
-    this.pasteFile.addEventListener('paste', this.handlePasteEvent, false);
+    this.messageEditArea.addEventListener('paste', this.handlePasteEvent, false);
   }
 
   componentWillUnmount() {
-    this.pasteFile.removeEventListener('paste', this.handlePasteEvent, false)
+    this.messageEditArea.removeEventListener('paste', this.handlePasteEvent, false);
+  }
+
+  componentDidUpdate() {
+    this.messageEditArea.focus();
   }
 
   handlePasteEvent(e) {
@@ -78,7 +82,7 @@ class SendMessage extends React.PureComponent {
 
   handleAttachImage(e) {
     if (e.target.files && e.target.files.length > 0) {
-      let file = e.target.files[0];
+      const file = e.target.files[0];
       // Check if the uploaded file is indeed an image and if it isn't too large.
       if (file.size > MAX_INBAND_ATTACHMENT_SIZE || SUPPORTED_IMAGE_FORMATS.indexOf(file.type) < 0) {
         // Convert image for size or format.
@@ -114,21 +118,21 @@ class SendMessage extends React.PureComponent {
   handleAttachFile(e) {
     const {formatMessage} = this.props.intl;
     if (e.target.files && e.target.files.length > 0) {
-      var file = e.target.files[0];
+      const file = e.target.files[0];
       if (file.size > MAX_EXTERN_ATTACHMENT_SIZE) {
         // Too large.
         this.props.onError(formatMessage(messages.file_attachment_too_large,
             {size: bytesToHumanSize(file.size), limit: bytesToHumanSize(MAX_EXTERN_ATTACHMENT_SIZE)}), 'err');
       } else if (file.size > MAX_INBAND_ATTACHMENT_SIZE) {
         // Too large to send inband - uploading out of band and sending as a link.
-        let uploader = this.props.tinode.getLargeFileHelper();
+        const uploader = this.props.tinode.getLargeFileHelper();
         if (!uploader) {
           this.props.onError(formatMessage(messages.cannot_initiate_upload));
           return;
         }
         // Format data and initiate upload.
-        let uploadCompletionPromise = uploader.upload(file);
+        const uploadCompletionPromise = uploader.upload(file);
-        let msg = Drafty.attachFile(null, file.type, null, file.name, file.size, uploadCompletionPromise);
+        const msg = Drafty.attachFile(null, file.type, null, file.name, file.size, uploadCompletionPromise);
         // Pass data and the uploader to the TinodeWeb.
         this.props.sendMessage(msg, uploadCompletionPromise, uploader);
       } else {
@@ -146,7 +150,7 @@ class SendMessage extends React.PureComponent {
   }
 
   handleSend() {
-    var message = this.state.message.trim();
+    const message = this.state.message.trim();
     if (message) {
       this.props.sendMessage(this.state.message.trim());
       this.setState({message: ''});
@@ -168,10 +172,10 @@ class SendMessage extends React.PureComponent {
   }
 
   handleMessageTyping(e) {
-    var newState = {message: e.target.value};
+    const newState = {message: e.target.value};
-    var now = new Date().getTime();
+    const now = new Date().getTime();
     if (now - this.state.keypressTimestamp > KEYPRESS_DELAY) {
-      var topic = this.props.tinode.getTopic(this.props.topic);
+      const topic = this.props.tinode.getTopic(this.props.topic);
       if (topic.isSubscribed()) {
         topic.noteKeyPress();
       }
@@ -185,32 +189,31 @@ class SendMessage extends React.PureComponent {
     const prompt = this.props.disabled ?
       formatMessage(messages.messaging_disabled) :
       formatMessage(messages.type_new_message);
-    let instance = this;
     return (
       <div id="send-message-panel">
         {this.props.disabled ?
           <i className="material-icons disabled">photo</i> :
-          <a href="javascript:;" onClick={function(e) {instance.attachImage.click();}} title="Add image">
+          <a href="javascript:;" onClick={(e) => {this.attachImage.click();}} title="Add image">
             <i className="material-icons secondary">photo</i>
           </a>}
         {this.props.disabled ?
           <i className="material-icons disabled">attach_file</i> :
-          <a href="javascript:;" onClick={function(e) {instance.attachFile.click();}} title="Attach file">
+          <a href="javascript:;" onClick={(e) => {this.attachFile.click();}} title="Attach file">
             <i className="material-icons secondary">attach_file</i>
           </a>}
         <textarea id="sendMessage" placeholder={prompt}
           disabled={this.props.disabled} value={this.state.message}
           onChange={this.handleMessageTyping} onKeyPress={this.handleKeyPress}
-          ref={function(ref) {instance.pasteFile = ref;}}
+          ref={(ref) => {this.messageEditArea = ref;}}
           autoFocus />
           {this.props.disabled ?
             <i className="material-icons disabled">send</i> :
             <a href="javascript:;" onClick={this.handleSend} title="Send">
               <i className="material-icons">send</i>
             </a>}
-      <input type="file" ref={function(ref) {instance.attachFile = ref;}}
+      <input type="file" ref={(ref) => {this.attachFile = ref;}}
         onChange={this.handleAttachFile} style={{display: 'none'}} />
-      <input type="file" ref={function(ref) {instance.attachImage = ref;}} accept="image/*"
+      <input type="file" ref={(ref) => {this.attachImage = ref;}} accept="image/*"
         onChange={this.handleAttachImage} style={{display: 'none'}} />
       </div>
     );

webpack.config.js

@@ -1,6 +1,6 @@
 const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
 
-module.exports = config = {
+module.exports = {
   entry: [
     './src/index.js',
   ],