Render emoji like a sticker

stylesheets/_emoji.scss

@@ -44,27 +44,33 @@ span.emoji-inner {
 }
 
 img.emoji {
-  width: 1.4em;
   height: 1.4em;
   margin-bottom: -5px;
+  margin-left: 2px;
+  margin-right: 2px;
   vertical-align: baseline;
+  width: 1.4em;
 }
 
 img.emoji.small {
-  width: 1.8em;
-  height: 1.8em;
+  width: 32px;
+  height: 32px;
 }
 img.emoji.medium {
-  width: 2em;
-  height: 2em;
+  width: 36px;
+  height: 36px;
 }
 img.emoji.large {
-  width: 2.5em;
-  height: 2.5em;
+  width: 40px;
+  height: 40px;
 }
-img.emoji.jumbo {
-  width: 3.5em;
-  height: 3.5em;
+img.emoji.extra-large {
+  width: 48px;
+  height: 48px;
+}
+img.emoji.max {
+  width: 56px;
+  height: 56px;
 }
 
 // we need these, or we'll make conversation items too big in the left-nav

stylesheets/_modules.scss

@@ -418,6 +418,10 @@
   padding-bottom: 3px;
 }
 
+.module-message__container--emoji {
+  padding-top: 0;
+}
+
 .module-message__container--outgoing {
   @include light-theme {
     background-color: $color-ultramarine;

ts/components/conversation/Emojify.stories.tsx

@@ -35,7 +35,16 @@ story.add('Skin Color Modifier', () => {
 story.add('Jumbo', () => {
   const props = createProps({
     text: '😹😹😹',
-    sizeClass: 'jumbo',
+    sizeClass: 'max',
+  });
+
+  return <Emojify {...props} />;
+});
+
+story.add('Extra Large', () => {
+  const props = createProps({
+    text: '😹😹😹',
+    sizeClass: 'extra-large',
   });
 
   return <Emojify {...props} />;

ts/components/conversation/Message.stories.tsx

@@ -192,6 +192,22 @@ story.add('Plain Message', () => {
   return renderBothDirections(props);
 });
 
+story.add('Emoji Messages', () => (
+  <>
+    <Message {...createProps({ text: '😀' })} />
+    <br />
+    <Message {...createProps({ text: '😀😀' })} />
+    <br />
+    <Message {...createProps({ text: '😀😀😀' })} />
+    <br />
+    <Message {...createProps({ text: '😀😀😀😀' })} />
+    <br />
+    <Message {...createProps({ text: '😀😀😀😀😀' })} />
+    <br />
+    <Message {...createProps({ text: '😀😀😀😀😀😀😀' })} />
+  </>
+));
+
 story.add('Delivered', () => {
   const props = createProps({
     direction: 'outgoing',

ts/components/conversation/Message.tsx

@@ -63,7 +63,8 @@ import {
   CustomColorType,
 } from '../../types/Colors';
 import { createRefMerger } from '../../util/refMerger';
-import { emojiToData } from '../emoji/lib';
+import { emojiToData, getEmojiCount } from '../emoji/lib';
+import { isEmojiOnlyText } from '../../util/isEmojiOnlyText';
 import type { SmartReactionPicker } from '../../state/smart/ReactionPicker';
 import { getCustomColorStyle } from '../../util/getCustomColorStyle';
 import { offsetDistanceModifier } from '../../util/popperUtil';
@@ -618,6 +619,11 @@ export class Message extends React.PureComponent<Props, State> {
       return null;
     }
 
+    const isEmojiOnly = Boolean(
+      text && isEmojiOnlyText(text) && getEmojiCount(text) < 6
+    );
+    const isStickerLike = isSticker || isEmojiOnly;
+
     return (
       <MessageMetadata
         deletedForEveryone={deletedForEveryone}
@@ -628,7 +634,7 @@ export class Message extends React.PureComponent<Props, State> {
         i18n={i18n}
         id={id}
         isShowingImage={this.isShowingImage()}
-        isSticker={isSticker}
+        isSticker={isStickerLike}
         isTapToViewExpired={isTapToViewExpired}
         showMessageDetail={showMessageDetail}
         status={status}
@@ -2325,6 +2331,7 @@ export class Message extends React.PureComponent<Props, State> {
       isTapToView,
       isTapToViewExpired,
       isTapToViewError,
+      text,
     } = this.props;
     const { isSelected } = this.state;
 
@@ -2333,17 +2340,24 @@ export class Message extends React.PureComponent<Props, State> {
     const width = this.getWidth();
     const isShowingImage = this.isShowingImage();
 
+    const isEmojiOnly =
+      text && isEmojiOnlyText(text) && getEmojiCount(text) < 6;
+    const isStickerLike = isSticker || isEmojiOnly;
+
     const containerClassnames = classNames(
       'module-message__container',
       isGIF(attachments) ? 'module-message__container--gif' : null,
-      isSelected && !isSticker ? 'module-message__container--selected' : null,
-      isSticker ? 'module-message__container--with-sticker' : null,
-      !isSticker ? `module-message__container--${direction}` : null,
+      isSelected && !isStickerLike
+        ? 'module-message__container--selected'
+        : null,
+      isStickerLike ? 'module-message__container--with-sticker' : null,
+      !isStickerLike ? `module-message__container--${direction}` : null,
+      isEmojiOnly ? 'module-message__container--emoji' : null,
       isTapToView ? 'module-message__container--with-tap-to-view' : null,
       isTapToView && isTapToViewExpired
         ? 'module-message__container--with-tap-to-view-expired'
         : null,
-      !isSticker && direction === 'outgoing'
+      !isStickerLike && direction === 'outgoing'
         ? `module-message__container--outgoing-${conversationColor}`
         : null,
       isTapToView && isAttachmentPending && !isTapToViewExpired
@@ -2363,7 +2377,7 @@ export class Message extends React.PureComponent<Props, State> {
     const containerStyles = {
       width: isShowingImage ? width : undefined,
     };
-    if (!isSticker && direction === 'outgoing') {
+    if (!isStickerLike && direction === 'outgoing') {
       Object.assign(containerStyles, getCustomColorStyle(customColor));
     }
 

ts/components/emoji/lib.ts

@@ -26,7 +26,13 @@ import * as log from '../../logging/log';
 export const skinTones = ['1F3FB', '1F3FC', '1F3FD', '1F3FE', '1F3FF'];
 
 export type SkinToneKey = '1F3FB' | '1F3FC' | '1F3FD' | '1F3FE' | '1F3FF';
-export type SizeClassType = '' | 'small' | 'medium' | 'large' | 'jumbo';
+export type SizeClassType =
+  | ''
+  | 'small'
+  | 'medium'
+  | 'large'
+  | 'extra-large'
+  | 'max';
 
 export type EmojiSkinVariation = {
   unified: string;
@@ -315,19 +321,22 @@ export function getSizeClass(str: string): SizeClassType {
 
   const emojiCount = getEmojiCount(str);
 
-  if (emojiCount > 8) {
-    return '';
+  if (emojiCount === 1) {
+    return 'max';
   }
-  if (emojiCount > 6) {
-    return 'small';
+  if (emojiCount === 2) {
+    return 'extra-large';
   }
-  if (emojiCount > 4) {
-    return 'medium';
-  }
-  if (emojiCount > 2) {
+  if (emojiCount === 3) {
     return 'large';
   }
-  return 'jumbo';
+  if (emojiCount === 4) {
+    return 'medium';
+  }
+  if (emojiCount === 5) {
+    return 'small';
+  }
+  return '';
 }
 
 data.forEach(emoji => {

ts/util/avatarTextSizeCalculator.ts

@@ -1,8 +1,8 @@
 // Copyright 2021 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import * as grapheme from './grapheme';
 import { getEmojiCount } from '../components/emoji/lib';
+import { isEmojiOnlyText } from './isEmojiOnlyText';
 
 type FontSizes = {
   diameter: number;
@@ -33,7 +33,7 @@ export function getFittedFontSize(
   const sizes = getFontSizes(bubbleSize);
 
   let candidateFontSize = sizes.text;
-  if (grapheme.count(text) === 1 && getEmojiCount(text) === 1) {
+  if (isEmojiOnlyText(text) && getEmojiCount(text) === 1) {
     candidateFontSize = sizes.singleEmoji;
   }
 

ts/util/isEmojiOnlyText.tsx

@@ -0,0 +1,9 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import * as grapheme from './grapheme';
+import { getEmojiCount } from '../components/emoji/lib';
+
+export function isEmojiOnlyText(text: string): boolean {
+  return grapheme.count(text) === getEmojiCount(text);
+}