Support for creating New Groups

ts/components/GroupDialog.tsx

@@ -0,0 +1,120 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import React, { ReactChild, ReactNode } from 'react';
+
+import { LocalizerType } from '../types/Util';
+import { ConversationType } from '../state/ducks/conversations';
+import { ModalHost } from './ModalHost';
+import { Button, ButtonVariant } from './Button';
+import { Avatar, AvatarSize } from './Avatar';
+import { ContactName } from './conversation/ContactName';
+
+type PropsType = {
+  children: ReactNode;
+  i18n: LocalizerType;
+  onClickPrimaryButton: () => void;
+  onClose: () => void;
+  primaryButtonText: string;
+  title: string;
+} & (
+  | // We use this empty type for an "all or nothing" setup.
+  // eslint-disable-next-line @typescript-eslint/ban-types
+  {}
+  | {
+      onClickSecondaryButton: () => void;
+      secondaryButtonText: string;
+    }
+);
+
+export function GroupDialog(props: Readonly<PropsType>): JSX.Element {
+  const {
+    children,
+    i18n,
+    onClickPrimaryButton,
+    onClose,
+    primaryButtonText,
+    title,
+  } = props;
+
+  let secondaryButton: undefined | ReactChild;
+  if ('secondaryButtonText' in props) {
+    const { onClickSecondaryButton, secondaryButtonText } = props;
+    secondaryButton = (
+      <Button
+        onClick={onClickSecondaryButton}
+        variant={ButtonVariant.Secondary}
+      >
+        {secondaryButtonText}
+      </Button>
+    );
+  }
+
+  return (
+    <ModalHost onClose={onClose}>
+      <div className="module-GroupDialog">
+        <button
+          aria-label={i18n('close')}
+          type="button"
+          className="module-GroupDialog__close-button"
+          onClick={() => {
+            onClose();
+          }}
+        />
+        <h1 className="module-GroupDialog__title">{title}</h1>
+        <div className="module-GroupDialog__body">{children}</div>
+        <div className="module-GroupDialog__button-container">
+          {secondaryButton}
+          <Button
+            onClick={onClickPrimaryButton}
+            ref={focusRef}
+            variant={ButtonVariant.Primary}
+          >
+            {primaryButtonText}
+          </Button>
+        </div>
+      </div>
+    </ModalHost>
+  );
+}
+
+type ParagraphPropsType = {
+  children: ReactNode;
+};
+
+GroupDialog.Paragraph = ({
+  children,
+}: Readonly<ParagraphPropsType>): JSX.Element => (
+  <p className="module-GroupDialog__paragraph">{children}</p>
+);
+
+type ContactsPropsType = {
+  contacts: Array<ConversationType>;
+  i18n: LocalizerType;
+};
+
+GroupDialog.Contacts = ({ contacts, i18n }: Readonly<ContactsPropsType>) => (
+  <ul className="module-GroupDialog__contacts">
+    {contacts.map(contact => (
+      <li key={contact.id} className="module-GroupDialog__contacts__contact">
+        <Avatar
+          {...contact}
+          conversationType={contact.type}
+          size={AvatarSize.TWENTY_EIGHT}
+          i18n={i18n}
+        />
+        <ContactName
+          i18n={i18n}
+          module="module-GroupDialog__contacts__contact__name"
+          title={contact.title}
+        />
+      </li>
+    ))}
+  </ul>
+);
+
+function focusRef(el: HTMLElement | null) {
+  if (el) {
+    el.focus();
+  }
+}