Show dialog for permanently undownloadable attachments

ts/components/AttachmentNotAvailableModal.tsx

@@ -0,0 +1,92 @@
+// Copyright 2025 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import * as React from 'react';
+
+import type { LocalizerType } from '../types/Util';
+import { Modal } from './Modal';
+import { Button, ButtonVariant } from './Button';
+
+export type PropsType = {
+  i18n: LocalizerType;
+  modalType: AttachmentNotAvailableModalType;
+  onClose: () => void;
+};
+
+export enum AttachmentNotAvailableModalType {
+  File = 'File',
+  LongText = 'LongText',
+  Sticker = 'Sticker',
+  VisualMedia = 'VisualMedia',
+  VoiceMessage = 'VoiceMessage',
+}
+
+function focusRef(el: HTMLElement | null) {
+  if (el) {
+    el.focus();
+  }
+}
+
+function getTitle(
+  i18n: LocalizerType,
+  modalType: AttachmentNotAvailableModalType
+): string {
+  switch (modalType) {
+    case AttachmentNotAvailableModalType.LongText:
+      return i18n('icu:AttachmentNotAvailableModal__title--long-text');
+    case AttachmentNotAvailableModalType.Sticker:
+      return i18n('icu:AttachmentNotAvailableModal__title--sticker');
+    case AttachmentNotAvailableModalType.VisualMedia:
+      return i18n('icu:AttachmentNotAvailableModal__title--media');
+    case AttachmentNotAvailableModalType.VoiceMessage:
+      return i18n('icu:AttachmentNotAvailableModal__title--voice-message');
+    case AttachmentNotAvailableModalType.File:
+    default:
+      return i18n('icu:AttachmentNotAvailableModal__title--file');
+  }
+}
+
+function getBody(
+  i18n: LocalizerType,
+  modalType: AttachmentNotAvailableModalType
+): string {
+  switch (modalType) {
+    case AttachmentNotAvailableModalType.LongText:
+      return i18n('icu:AttachmentNotAvailableModal__body--long-text');
+    case AttachmentNotAvailableModalType.Sticker:
+      return i18n('icu:AttachmentNotAvailableModal__body--sticker');
+    case AttachmentNotAvailableModalType.VisualMedia:
+      return i18n('icu:AttachmentNotAvailableModal__body--media');
+    case AttachmentNotAvailableModalType.VoiceMessage:
+      return i18n('icu:AttachmentNotAvailableModal__body--voice-message');
+    case AttachmentNotAvailableModalType.File:
+    default:
+      return i18n('icu:AttachmentNotAvailableModal__body--file');
+  }
+}
+
+export function AttachmentNotAvailableModal(props: PropsType): JSX.Element {
+  const { i18n, modalType, onClose } = props;
+
+  const footer = (
+    <Button onClick={onClose} ref={focusRef} variant={ButtonVariant.Primary}>
+      {i18n('icu:Confirmation--confirm')}
+    </Button>
+  );
+
+  return (
+    <Modal
+      modalName="AttachmentNotAvailableModal"
+      moduleClassName="AttachmentNotAvailableModal"
+      i18n={i18n}
+      onClose={onClose}
+      title={getTitle(i18n, modalType)}
+      modalFooter={footer}
+      padded={false}
+    >
+      <div className="module-error-modal__description">
+        {getBody(i18n, modalType)}
+      </div>
+    </Modal>
+  );
+}