initial set up for styling updates; actually add files

webroot/js/chat/content-editable.js

@@ -0,0 +1,131 @@
+/*
+Since we can't really import react-contenteditable here, I'm borrowing code for this component from here:
+github.com/lovasoa/react-contenteditable/
+
+and here:
+https://stackoverflow.com/questions/22677931/react-js-onchange-event-for-contenteditable/27255103#27255103
+
+*/
+
+import { Component, createRef, createElement } from 'https://unpkg.com/preact?module';
+
+function replaceCaret(el) {
+  // Place the caret at the end of the element
+  const target = document.createTextNode('');
+  el.appendChild(target);
+  // do not move caret if element was not focused
+  const isTargetFocused = document.activeElement === el;
+  if (target !== null && target.nodeValue !== null && isTargetFocused) {
+    var sel = window.getSelection();
+    if (sel !== null) {
+      var range = document.createRange();
+      range.setStart(target, target.nodeValue.length);
+      range.collapse(true);
+      sel.removeAllRanges();
+      sel.addRange(range);
+    }
+    if (el) el.focus();
+  }
+}
+
+function normalizeHtml(str) {
+  return str && str.replace(/ |\u202F|\u00A0/g, ' ');
+}
+
+
+
+export default class ContentEditable extends Component {
+  constructor(props) {
+    super(props);
+
+    this.el = createRef();
+
+    this.lastHtml = '';
+
+    this.emitChange = this.emitChange.bind(this);
+    this.getDOMElement = this.getDOMElement.bind(this);
+  }
+
+  shouldComponentUpdate(nextProps) {
+    const { props } = this;
+    const el = this.getDOMElement();
+
+    // We need not rerender if the change of props simply reflects the user's edits.
+    // Rerendering in this case would make the cursor/caret jump
+
+    // Rerender if there is no element yet... (somehow?)
+    if (!el) return true;
+
+    // ...or if html really changed... (programmatically, not by user edit)
+    if (
+      normalizeHtml(nextProps.html) !== normalizeHtml(el.innerHTML)
+    ) {
+      return true;
+    }
+
+    // Handle additional properties
+    return props.disabled !== nextProps.disabled ||
+      props.tagName !== nextProps.tagName ||
+      props.className !== nextProps.className ||
+      props.innerRef !== nextProps.innerRef;
+  }
+
+
+
+  componentDidUpdate() {
+    const el = this.getDOMElement();
+    if (!el) return;
+
+    // Perhaps React (whose VDOM gets outdated because we often prevent
+    // rerendering) did not update the DOM. So we update it manually now.
+    if (this.props.html !== el.innerHTML) {
+      el.innerHTML = this.props.html;
+    }
+    this.lastHtml = this.props.html;
+    replaceCaret(el);
+  }
+
+  getDOMElement() {
+    return (this.props.innerRef && typeof this.props.innerRef !== 'function' ? this.props.innerRef : this.el).current;
+  }
+
+
+  emitChange(originalEvt) {
+    const el = this.getDOMElement();
+    if (!el) return;
+
+    const html = el.innerHTML;
+    if (this.props.onChange && html !== this.lastHtml) {
+      // Clone event with Object.assign to avoid
+      // "Cannot assign to read only property 'target' of object"
+      const evt = Object.assign({}, originalEvt, {
+        target: {
+          value: html
+        }
+      });
+      this.props.onChange(evt);
+    }
+    this.lastHtml = html;
+  }
+
+  render(props) {
+    const { html, innerRef } = props;
+    return createElement(
+      'div',
+      {
+        ...props,
+        ref: typeof innerRef === 'function' ? (current) => {
+          innerRef(current)
+          this.el.current = current
+        } : innerRef || this.el,
+        onInput: this.emitChange,
+        onBlur: this.props.onBlur || this.emitChange,
+        onKeyup: this.props.onKeyUp || this.emitChange,
+        onKeydown: this.props.onKeyDown || this.emitChange,
+        contentEditable: !this.props.disabled,
+        dangerouslySetInnerHTML: { __html: html },
+      },
+      this.props.children,
+    );
+  }
+}

webroot/js/chat/standalone.js

@@ -1,5 +1,5 @@
 import { html, Component } from "https://unpkg.com/htm/preact/index.mjs?module";
-import UserInfo from './user-info.js';
+import UsernameForm from './username.js';
 import Chat from './chat.js';
 import Websocket from '../websocket.js';
 
@@ -37,17 +37,19 @@ export default class StandaloneChat extends Component {
     return (
       html`
         <div class="flex">
-          <${UserInfo}
+          <${UsernameForm}
             username=${username}
             userAvatarImage=${userAvatarImage}
             handleUsernameChange=${this.handleUsernameChange}
             handleChatToggle=${this.handleChatToggle}
           />
+
           <${Chat}
             websocket=${websocket}
             username=${username}
             userAvatarImage=${userAvatarImage}
-            chatEnabled />
+            chatEnabled
+          />
         </div>
     `);
   }

webroot/js/chat/username.js

@@ -6,8 +6,7 @@ const html = htm.bind(h);
 import { generateAvatar, setLocalStorage } from '../utils.js';
 import { KEY_USERNAME, KEY_AVATAR } from '../utils/chat.js';
 
-
-export default class UserInfo extends Component {
+export default class UsernameForm extends Component {
   constructor(props, context) {
     super(props, context);
 
@@ -83,25 +82,28 @@ export default class UserInfo extends Component {
               <img
                 src=${userAvatarImage}
                 alt=""
+                id="username-avatar"
                 class="rounded-full bg-black bg-opacity-50 border border-solid border-gray-700"
               />
-              <span class="text-indigo-600">${username}</span>
+              <span id="username-display" class="text-indigo-600">${username}</span>
             </div>
 
             <div id="user-info-change" style=${styles.form}>
               <input type="text"
+                id="username-change-input"
                 class="appearance-none block w-full bg-gray-200 text-gray-700 border border-black-500 rounded py-1 px-1 leading-tight focus:bg-white"
                 maxlength="100"
                 placeholder="Update username"
                 value=${username}
                 onKeydown=${this.handleKeydown}
                 ref=${this.textInput}
-              >
-              <button onClick=${this.handleUpdateUsername} class="bg-blue-500 hover:bg-blue-700 text-white py-1 px-1 rounded user-btn">Update</button>
-              <button onClick=${this.handleHideForm} class="bg-gray-900 hover:bg-gray-800 py-1 px-2 rounded user-btn text-white text-opacity-50" title="cancel">X</button>
+              />
+              <button id="button-update-username" onClick=${this.handleUpdateUsername} class="bg-blue-500 hover:bg-blue-700 text-white py-1 px-1 rounded user-btn">Update</button>
+
+              <button id="button-cancel-change" onClick=${this.handleHideForm} class="bg-gray-900 hover:bg-gray-800 py-1 px-2 rounded user-btn text-white text-opacity-50" title="cancel">X</button>
             </div>
           </div>
-          <button type="button" onClick=${handleChatToggle} class="flex bg-gray-800 hover:bg-gray-700">💬</button>
+          <button type="button" id="chat-toggle" onClick=${handleChatToggle} class="flex bg-gray-800 hover:bg-gray-700">💬</button>
         </div>
     `);
   }

webroot/js/components.js

@@ -1,3 +1,5 @@
+// DELETE THIS FILE LATER.
+
 Vue.component('owncast-footer', {
   props: {
     appVersion: {

webroot/js/message.js

@@ -1,3 +1,5 @@
+// DELETE THIS FILE LATER.
+
 import SOCKET_MESSAGE_TYPES from './utils/socket-message-types.js';
 
 const KEY_USERNAME = 'owncast_username';

webroot/standalone-chat.html

@@ -4,6 +4,11 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0"/>
     <link href="https://unpkg.com/tailwindcss@^1.0/dist/tailwind.min.css" rel="stylesheet" />
+    <link href="./styles/layout.css" rel="stylesheet" />
+    <link href="./styles/chat.css" rel="stylesheet" />
+    <link href="./styles/standalone-chat.css" rel="stylesheet" />
+
+
     <script src="//unpkg.com/showdown/dist/showdown.min.js"></script>
 
   </head>

webroot/styles/chat.css

@@ -165,3 +165,5 @@ But really it's just the innerHTML content.
   opacity: 0.6;
 }
 
+
+

webroot/styles/layout.css

@@ -1,3 +1,8 @@
+/*
+Overall layout styles for all of owncast app.
+
+*/
+
 /* variables */
 :root {
   --header-height: 3.5em;

webroot/styles/standalone-chat.css

@@ -0,0 +1,4 @@
+/*
+The styles in this file mostly ovveride those coming fro chat.css
+
+*/