Add ability for poll author to terminate a poll

_locales/en/messages.json

@@ -1462,6 +1462,10 @@
     "messageformat": "Info",
     "description": "Shown on the drop-down menu for an individual message, takes you to message detail screen"
   },
+  "icu:Poll__end-poll": {
+    "messageformat": "End poll",
+    "description": "Label for button/menu item to end a poll. Shown in the poll votes modal and in the message context menu"
+  },
   "icu:PollMessage--SelectOne": {
     "messageformat": "Poll · Select one",
     "description": "Status text for single-choice poll where user can select one option"
@@ -1482,6 +1486,18 @@
     "messageformat": "You voted",
     "description": "Accessibility label for checkmark indicating user voted for this poll option"
   },
+  "icu:PollTerminate--you": {
+    "messageformat": "You ended the poll: \"{poll}\"",
+    "description": "Chat event shown when you end a poll"
+  },
+  "icu:PollTerminate--other": {
+    "messageformat": "{name} ended the poll: \"{poll}\"",
+    "description": "Chat event shown when someone else ends a poll"
+  },
+  "icu:PollTerminate__view-poll": {
+    "messageformat": "View poll",
+    "description": "Button in poll terminate chat event to scroll to and select the original poll message"
+  },
   "icu:PollVotesModal__title": {
     "messageformat": "Poll details",
     "description": "Modal title for viewing poll votes and who voted on which option"
@@ -1498,6 +1514,10 @@
     "messageformat": "No votes",
     "description": "Message shown when poll has no votes"
   },
+  "icu:Toast--PollNotFound": {
+    "messageformat": "Poll not found",
+    "description": "Toast shown when user tries to view a poll that no longer exists"
+  },
   "icu:PollCreateModal__title": {
     "messageformat": "New poll",
     "description": "Title for the modal to create a new poll"

images/icons/v3/stop/stop-circle.svg

@@ -0,0 +1 @@
+<svg width="20" height="20" fill="none" xmlns="http://www.w3.org/2000/svg"><g clip-path="url(#stop-circle__a)" fill="#000"><path d="M7.083 8.125c0-.575.467-1.042 1.042-1.042h3.75c.575 0 1.042.467 1.042 1.042v3.75c0 .575-.467 1.042-1.042 1.042h-3.75a1.042 1.042 0 0 1-1.042-1.042v-3.75Z"/><path fill-rule="evenodd" clip-rule="evenodd" d="M10 .938a9.063 9.063 0 1 0 0 18.125A9.063 9.063 0 0 0 10 .938ZM2.396 10a7.604 7.604 0 1 1 15.208 0 7.604 7.604 0 0 1-15.208 0Z"/></g><defs><clipPath id="stop-circle__a"><path fill="#fff" d="M0 0h20v20H0z"/></clipPath></defs></svg>

stylesheets/_modules.scss

@@ -6785,6 +6785,13 @@ button.module-calling-participants-list__contact {
     }
   }
 
+  &__end-poll::before {
+    @include mixins.color-svg(
+      '../images/icons/v3/stop/stop-circle.svg',
+      light-dark(variables.$color-black, variables.$color-gray-15)
+    );
+  }
+
   &__more-info::before {
     @include mixins.light-theme {
       @include mixins.color-svg(

stylesheets/components/SystemMessage.scss

@@ -53,7 +53,7 @@
       }
     }
 
-    &::before {
+    &--has-icon::before {
       content: '';
       display: inline-block;
       height: 16px;

ts/components/EditHistoryMessagesModal.dom.tsx

@@ -52,6 +52,7 @@ const MESSAGE_DEFAULT_PROPS = {
   previews: [],
   retryMessageSend: shouldNeverBeCalled,
   sendPollVote: shouldNeverBeCalled,
+  endPoll: shouldNeverBeCalled,
   pushPanelForConversation: shouldNeverBeCalled,
   renderAudioAttachment: () => <div />,
   renderingContext: 'EditHistoryMessagesModal',

ts/components/StoryViewsNRepliesModal.dom.tsx

@@ -66,6 +66,7 @@ const MESSAGE_DEFAULT_PROPS = {
   previews: [],
   retryMessageSend: shouldNeverBeCalled,
   sendPollVote: shouldNeverBeCalled,
+  endPoll: shouldNeverBeCalled,
   pushPanelForConversation: shouldNeverBeCalled,
   renderAudioAttachment: () => <div />,
   saveAttachment: shouldNeverBeCalled,

ts/components/ToastManager.dom.stories.tsx

@@ -189,6 +189,8 @@ function getToast(toastType: ToastType): AnyToast {
       return { toastType: ToastType.OriginalMessageNotFound };
     case ToastType.PinnedConversationsFull:
       return { toastType: ToastType.PinnedConversationsFull };
+    case ToastType.PollNotFound:
+      return { toastType: ToastType.PollNotFound };
     case ToastType.ReactionFailed:
       return { toastType: ToastType.ReactionFailed };
     case ToastType.ReceiptSaved:

ts/components/ToastManager.dom.tsx

@@ -652,6 +652,10 @@ export function renderToast({
     );
   }
 
+  if (toastType === ToastType.PollNotFound) {
+    return <Toast onClose={hideToast}>{i18n('icu:Toast--PollNotFound')}</Toast>;
+  }
+
   if (toastType === ToastType._InternalMainProcessLoggingError) {
     return (
       <Toast

ts/components/conversation/CallingNotification.dom.tsx

@@ -138,6 +138,7 @@ export const CallingNotification: React.FC<PropsType> = React.memo(
           onEdit={undefined}
           onReplyToMessage={undefined}
           onReact={undefined}
+          onEndPoll={undefined}
           onRetryMessageSend={undefined}
           onRetryDeleteForEveryone={undefined}
           onCopy={undefined}

ts/components/conversation/Message.dom.tsx

@@ -249,6 +249,7 @@ export type PropsData = {
   isSelectMode: boolean;
   isSMS: boolean;
   isSpoilerExpanded?: Record<number, boolean>;
+  canEndPoll?: boolean;
   direction: DirectionType;
   timestamp: number;
   receivedAtMS?: number;
@@ -363,6 +364,7 @@ export type PropsActions = {
     messageId: string;
     optionIndexes: ReadonlyArray<number>;
   }) => void;
+  endPoll: (messageId: string) => void;
   showContactModal: (contactId: string, conversationId?: string) => void;
   showSpoiler: (messageId: string, data: Record<number, boolean>) => void;
 
@@ -2023,7 +2025,7 @@ export class Message extends React.PureComponent<Props, State> {
   }
 
   public renderPoll(): JSX.Element | null {
-    const { poll, direction, i18n, id } = this.props;
+    const { poll, direction, i18n, id, endPoll, canEndPoll } = this.props;
     if (!poll || !isPollReceiveEnabled()) {
       return null;
     }
@@ -2034,6 +2036,8 @@ export class Message extends React.PureComponent<Props, State> {
         i18n={i18n}
         messageId={id}
         sendPollVote={this.props.sendPollVote}
+        endPoll={endPoll}
+        canEndPoll={canEndPoll}
       />
     );
   }

ts/components/conversation/MessageContextMenu.dom.tsx

@@ -22,6 +22,7 @@ type MessageContextProps = {
   onEdit: (() => void) | undefined;
   onReplyToMessage: (() => void) | undefined;
   onReact: (() => void) | undefined;
+  onEndPoll: (() => void) | undefined;
   onRetryMessageSend: (() => void) | undefined;
   onRetryDeleteForEveryone: (() => void) | undefined;
   onCopy: (() => void) | undefined;
@@ -39,6 +40,7 @@ export const MessageContextMenu = ({
   onEdit,
   onReplyToMessage,
   onReact,
+  onEndPoll,
   onMoreInfo,
   onCopy,
   onSelect,
@@ -103,6 +105,22 @@ export const MessageContextMenu = ({
           )}
         </>
       )}
+      {onEndPoll && (
+        <MenuItem
+          attributes={{
+            className:
+              'module-message__context--icon module-message__context__end-poll',
+          }}
+          onClick={(event: React.MouseEvent) => {
+            event.stopPropagation();
+            event.preventDefault();
+
+            onEndPoll();
+          }}
+        >
+          {i18n('icu:Poll__end-poll')}
+        </MenuItem>
+      )}
       {onForward && (
         <MenuItem
           attributes={{

ts/components/conversation/MessageDetail.dom.tsx

@@ -92,6 +92,7 @@ export type PropsReduxActions = Pick<
   | 'checkForAccount'
   | 'clearTargetedMessage'
   | 'doubleCheckMissingQuoteReference'
+  | 'endPoll'
   | 'kickOffAttachmentDownload'
   | 'markAttachmentAsCorrupted'
   | 'messageExpanded'
@@ -137,6 +138,7 @@ export function MessageDetail({
   clearTargetedMessage,
   contactNameColor,
   doubleCheckMissingQuoteReference,
+  endPoll,
   getPreferredBadge,
   i18n,
   interactionMode,
@@ -346,6 +348,7 @@ export function MessageDetail({
             displayLimit={Number.MAX_SAFE_INTEGER}
             showLightboxForViewOnceMedia={showLightboxForViewOnceMedia}
             doubleCheckMissingQuoteReference={doubleCheckMissingQuoteReference}
+            endPoll={endPoll}
             getPreferredBadge={getPreferredBadge}
             i18n={i18n}
             interactionMode={interactionMode}

ts/components/conversation/PollTerminateNotification.dom.tsx

@@ -0,0 +1,53 @@
+// Copyright 2025 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import React from 'react';
+import type { LocalizerType } from '../../types/Util.std.js';
+import type { ConversationType } from '../../state/ducks/conversations.preload.js';
+import { SystemMessage } from './SystemMessage.dom.js';
+import { Button, ButtonVariant, ButtonSize } from '../Button.dom.js';
+
+export type PropsType = {
+  sender: ConversationType;
+  pollQuestion: string;
+  pollMessageId: string;
+  conversationId: string;
+  i18n: LocalizerType;
+  scrollToPollMessage: (messageId: string, conversationId: string) => unknown;
+};
+
+export function PollTerminateNotification({
+  sender,
+  pollQuestion,
+  pollMessageId,
+  conversationId,
+  i18n,
+  scrollToPollMessage,
+}: PropsType): JSX.Element {
+  const message = sender.isMe
+    ? i18n('icu:PollTerminate--you', { poll: pollQuestion })
+    : i18n('icu:PollTerminate--other', {
+        name: sender.title,
+        poll: pollQuestion,
+      });
+
+  const handleViewPoll = () => {
+    scrollToPollMessage(pollMessageId, conversationId);
+  };
+
+  return (
+    <SystemMessage
+      symbol="poll"
+      contents={message}
+      button={
+        <Button
+          onClick={handleViewPoll}
+          variant={ButtonVariant.SystemMessage}
+          size={ButtonSize.Small}
+        >
+          {i18n('icu:PollTerminate__view-poll')}
+        </Button>
+      }
+    />
+  );
+}

ts/components/conversation/Quote.dom.stories.tsx

@@ -75,6 +75,7 @@ const defaultMessageProps: TimelineMessagesProps = {
   }),
   canCopy: true,
   canEditMessage: true,
+  canEndPoll: false,
   canForward: true,
   canReact: true,
   canReply: true,
@@ -116,6 +117,7 @@ const defaultMessageProps: TimelineMessagesProps = {
   openGiftBadge: action('openGiftBadge'),
   previews: [],
   reactToMessage: action('default--reactToMessage'),
+  endPoll: action('default--endPoll'),
   readStatus: ReadStatus.Read,
   renderReactionPicker: () => <div />,
   renderAudioAttachment: () => <div>*AudioAttachment*</div>,

ts/components/conversation/SystemMessage.dom.tsx

@@ -4,6 +4,9 @@
 import type { ReactNode } from 'react';
 import React, { forwardRef } from 'react';
 import classNames from 'classnames';
+import { AxoSymbol } from '../../axo/AxoSymbol.dom.js';
+import type { AxoSymbolIconName } from '../../axo/_internal/AxoSymbolDefs.generated.std.js';
+import { tw } from '../../axo/tw.dom.js';
 
 export enum SystemMessageKind {
   Normal = 'Normal',
@@ -11,50 +14,62 @@ export enum SystemMessageKind {
   Error = 'Error',
 }
 
-export type PropsType = {
+type SystemMessageBaseProps = {
-  icon:
-    | 'audio-incoming'
-    | 'audio-missed'
-    | 'audio-outgoing'
-    | 'block'
-    | 'group'
-    | 'group-access'
-    | 'group-add'
-    | 'group-approved'
-    | 'group-avatar'
-    | 'group-decline'
-    | 'group-edit'
-    | 'group-leave'
-    | 'group-remove'
-    | 'group-summary'
-    | 'info'
-    | 'phone'
-    | 'profile'
-    | 'safety-number'
-    | 'spam'
-    | 'session-refresh'
-    | 'thread'
-    | 'timer'
-    | 'timer-disabled'
-    | 'unsupported'
-    | 'unsupported--can-process'
-    | 'verified'
-    | 'verified-not'
-    | 'video'
-    | 'video-incoming'
-    | 'video-missed'
-    | 'video-outgoing'
-    | 'warning'
-    | 'payment-event'
-    | 'merge';
   contents: ReactNode;
   button?: ReactNode;
   kind?: SystemMessageKind;
 };
 
+export type PropsType = SystemMessageBaseProps &
+  (
+    | {
+        /** @deprecated Use symbol instead */
+        icon:
+          | 'audio-incoming'
+          | 'audio-missed'
+          | 'audio-outgoing'
+          | 'block'
+          | 'group'
+          | 'group-access'
+          | 'group-add'
+          | 'group-approved'
+          | 'group-avatar'
+          | 'group-decline'
+          | 'group-edit'
+          | 'group-leave'
+          | 'group-remove'
+          | 'group-summary'
+          | 'info'
+          | 'phone'
+          | 'profile'
+          | 'safety-number'
+          | 'spam'
+          | 'session-refresh'
+          | 'thread'
+          | 'timer'
+          | 'timer-disabled'
+          | 'unsupported'
+          | 'unsupported--can-process'
+          | 'verified'
+          | 'verified-not'
+          | 'video'
+          | 'video-incoming'
+          | 'video-missed'
+          | 'video-outgoing'
+          | 'warning'
+          | 'payment-event'
+          | 'merge';
+        symbol?: never;
+      }
+    | {
+        icon?: never;
+        symbol: AxoSymbolIconName;
+      }
+  );
+
 export const SystemMessage = forwardRef<HTMLDivElement, PropsType>(
   function SystemMessageInner(
-    { icon, contents, button, kind = SystemMessageKind.Normal },
+    { icon, symbol, contents, button, kind = SystemMessageKind.Normal },
     ref
   ) {
     return (
@@ -69,9 +84,15 @@ export const SystemMessage = forwardRef<HTMLDivElement, PropsType>(
         <div
           className={classNames(
             'SystemMessage__contents',
-            `SystemMessage__contents--icon-${icon}`
+            icon && 'SystemMessage__contents--has-icon',
+            icon && `SystemMessage__contents--icon-${icon}`
           )}
         >
+          {symbol && (
+            <span className={tw('me-2 inline-block')}>
+              <AxoSymbol.Icon size={16} symbol={symbol} label={null} />
+            </span>
+          )}
           {contents}
         </div>
         {button && (

ts/components/conversation/Timeline.dom.stories.tsx

@@ -53,6 +53,7 @@ function mockMessageTimelineItem(
       canDeleteForEveryone: false,
       canDownload: true,
       canEditMessage: true,
+      canEndPoll: false,
       canForward: true,
       canReact: true,
       canReply: true,
@@ -286,6 +287,7 @@ const actions = () => ({
   clearTargetedMessage: action('clearTargetedMessage'),
   updateSharedGroups: action('updateSharedGroups'),
 
+  endPoll: action('endPoll'),
   reactToMessage: action('reactToMessage'),
   setMessageToEdit: action('setMessageToEdit'),
   setQuoteByMessageId: action('setQuoteByMessageId'),
@@ -309,6 +311,7 @@ const actions = () => ({
   doubleCheckMissingQuoteReference: action('doubleCheckMissingQuoteReference'),
 
   openGiftBadge: action('openGiftBadge'),
+  scrollToPollMessage: action('scrollToPollMessage'),
   scrollToQuotedMessage: action('scrollToQuotedMessage'),
   showAttachmentDownloadStillInProgressToast: action(
     'showAttachmentDownloadStillInProgressToast'

ts/components/conversation/TimelineItem.dom.stories.tsx

@@ -48,6 +48,7 @@ const getDefaultProps = () => ({
   platform: 'darwin',
   targetMessage: action('targetMessage'),
   toggleSelectMessage: action('toggleSelectMessage'),
+  endPoll: action('endPoll'),
   reactToMessage: action('reactToMessage'),
   checkForAccount: action('checkForAccount'),
   clearTargetedMessage: action('clearTargetedMessage'),
@@ -91,6 +92,7 @@ const getDefaultProps = () => ({
   ),
   showMediaNoLongerAvailableToast: action('showMediaNoLongerAvailableToast'),
   showTapToViewNotAvailableModal: action('showTapToViewNotAvailableModal'),
+  scrollToPollMessage: action('scrollToPollMessage'),
   scrollToQuotedMessage: action('scrollToQuotedMessage'),
   showSpoiler: action('showSpoiler'),
   startConversation: action('startConversation'),

ts/components/conversation/TimelineItem.dom.tsx

@@ -52,6 +52,8 @@ import type { PropsType as ProfileChangeNotificationPropsType } from './ProfileC
 import { ProfileChangeNotification } from './ProfileChangeNotification.dom.js';
 import type { PropsType as PaymentEventNotificationPropsType } from './PaymentEventNotification.dom.js';
 import { PaymentEventNotification } from './PaymentEventNotification.dom.js';
+import type { PropsType as PollTerminateNotificationPropsType } from './PollTerminateNotification.dom.js';
+import { PollTerminateNotification } from './PollTerminateNotification.dom.js';
 import type { PropsDataType as ConversationMergeNotificationPropsType } from './ConversationMergeNotification.dom.js';
 import { ConversationMergeNotification } from './ConversationMergeNotification.dom.js';
 import type { PropsDataType as PhoneNumberDiscoveryNotificationPropsType } from './PhoneNumberDiscoveryNotification.dom.js';
@@ -152,6 +154,13 @@ type MessageRequestResponseNotificationType = {
   type: 'messageRequestResponse';
   data: MessageRequestResponseNotificationData;
 };
+type PollTerminateNotificationType = {
+  type: 'pollTerminate';
+  data: Omit<
+    PollTerminateNotificationPropsType,
+    'i18n' | 'scrollToPollMessage'
+  >;
+};
 
 export type TimelineItemType = (
   | CallHistoryType
@@ -165,6 +174,7 @@ export type TimelineItemType = (
   | JoinedSignalNotificationType
   | MessageType
   | PhoneNumberDiscoveryNotificationType
+  | PollTerminateNotificationType
   | ProfileChangeNotificationType
   | ResetSessionNotificationType
   | SafetyNumberNotificationType
@@ -187,6 +197,7 @@ type PropsLocalType = {
   isGroup: boolean;
   isNextItemCallingNotification: boolean;
   isTargeted: boolean;
+  scrollToPollMessage: (messageId: string, conversationId: string) => unknown;
   targetMessage: (messageId: string, conversationId: string) => unknown;
   shouldRenderDateHeader: boolean;
   onOpenEditNicknameAndNoteModal: (contactId: string) => void;
@@ -235,6 +246,7 @@ export const TimelineItem = memo(function TimelineItem({
   platform,
   renderUniversalTimerNotification,
   returnToActiveCall,
+  scrollToPollMessage,
   targetMessage,
   setMessageToEdit,
   shouldCollapseAbove,
@@ -413,6 +425,15 @@ export const TimelineItem = memo(function TimelineItem({
           i18n={i18n}
         />
       );
+    } else if (item.type === 'pollTerminate') {
+      notification = (
+        <PollTerminateNotification
+          {...reducedProps}
+          {...item.data}
+          i18n={i18n}
+          scrollToPollMessage={scrollToPollMessage}
+        />
+      );
     } else if (item.type === 'messageRequestResponse') {
       notification = (
         <MessageRequestResponseNotification

ts/components/conversation/TimelineMessage.dom.stories.tsx

@@ -235,6 +235,7 @@ const createProps = (overrideProps: Partial<Props> = {}): Props => ({
   bodyRanges: overrideProps.bodyRanges,
   canCopy: true,
   canEditMessage: true,
+  canEndPoll: overrideProps.direction === 'outgoing',
   canReact: true,
   canReply: true,
   canDownload: true,
@@ -294,6 +295,7 @@ const createProps = (overrideProps: Partial<Props> = {}): Props => ({
   previews: overrideProps.previews || [],
   quote: overrideProps.quote || undefined,
   reactions: overrideProps.reactions,
+  endPoll: action('endPoll'),
   reactToMessage: action('reactToMessage'),
   readStatus:
     overrideProps.readStatus === undefined
@@ -384,6 +386,7 @@ const renderBothDirections = (props: Props) => (
       ...props,
       author: { ...props.author, id: getDefaultConversation().id },
       direction: 'outgoing',
+      canEndPoll: true,
     })}
   </>
 );

ts/components/conversation/TimelineMessage.dom.tsx

@@ -57,6 +57,7 @@ export type PropsData = {
   canDownload: boolean;
   canCopy: boolean;
   canEditMessage: boolean;
+  canEndPoll: boolean;
   canForward: boolean;
   canRetry: boolean;
   canRetryDeleteForEveryone: boolean;
@@ -70,6 +71,7 @@ export type PropsActions = {
   pushPanelForConversation: PushPanelForConversationActionType;
   toggleDeleteMessagesModal: (props: DeleteMessagesPropsType) => void;
   toggleForwardMessagesModal: (payload: ForwardMessagesPayload) => void;
+  endPoll: (id: string) => void;
   reactToMessage: (
     id: string,
     { emoji, remove }: { emoji: string; remove: boolean }
@@ -109,6 +111,7 @@ export function TimelineMessage(props: Props): JSX.Element {
     canDownload,
     canCopy,
     canEditMessage,
+    canEndPoll,
     canForward,
     canReact,
     canReply,
@@ -123,6 +126,7 @@ export function TimelineMessage(props: Props): JSX.Element {
     isTargeted,
     kickOffAttachmentDownload,
     copyMessageText,
+    endPoll,
     pushPanelForConversation,
     reactToMessage,
     renderReactionPicker,
@@ -400,6 +404,7 @@ export function TimelineMessage(props: Props): JSX.Element {
         }
         onReplyToMessage={handleReplyToMessage}
         onReact={handleReact}
+        onEndPoll={canEndPoll ? () => endPoll(id) : undefined}
         onRetryMessageSend={canRetry ? () => retryMessageSend(id) : undefined}
         onRetryDeleteForEveryone={
           canRetryDeleteForEveryone

ts/components/conversation/poll-message/PollMessageContents.dom.tsx

@@ -88,6 +88,8 @@ export type PollMessageContentsProps = {
     messageId: string;
     optionIndexes: ReadonlyArray<number>;
   }) => void;
+  endPoll: (messageId: string) => void;
+  canEndPoll?: boolean;
 };
 
 export function PollMessageContents({
@@ -96,6 +98,8 @@ export function PollMessageContents({
   i18n,
   messageId,
   sendPollVote,
+  endPoll,
+  canEndPoll,
 }: PollMessageContentsProps): JSX.Element {
   const [showVotesModal, setShowVotesModal] = useState(false);
   const isIncoming = direction === 'incoming';
@@ -268,6 +272,9 @@ export function PollMessageContents({
           i18n={i18n}
           poll={poll}
           onClose={() => setShowVotesModal(false)}
+          endPoll={endPoll}
+          canEndPoll={canEndPoll}
+          messageId={messageId}
         />
       )}
     </div>

ts/components/conversation/poll-message/PollVotesModal.dom.tsx

@@ -3,6 +3,7 @@
 
 import React from 'react';
 import { tw } from '../../../axo/tw.dom.js';
+import { AxoButton } from '../../../axo/AxoButton.dom.js';
 import { Modal } from '../../Modal.dom.js';
 import { Avatar, AvatarSize } from '../../Avatar.dom.js';
 import { ContactName } from '../ContactName.dom.js';
@@ -16,12 +17,18 @@ type PollVotesModalProps = {
   i18n: LocalizerType;
   poll: PollWithResolvedVotersType;
   onClose: () => void;
+  endPoll: (messageId: string) => void;
+  canEndPoll?: boolean;
+  messageId: string;
 };
 
 export function PollVotesModal({
   i18n,
   poll,
   onClose,
+  endPoll,
+  canEndPoll,
+  messageId,
 }: PollVotesModalProps): JSX.Element {
   return (
     <Modal
@@ -41,56 +48,64 @@ export function PollVotesModal({
           <div className={tw('type-body-large')}>{poll.question}</div>
         </div>
 
-        {poll.options.map((option, index) => {
+        {poll.options.map((option, index, array) => {
           const voters = poll.votesByOption.get(index) || [];
           const optionKey = `option-${index}`;
+          const isLastOption = index === array.length - 1;
 
           return (
-            <div key={optionKey} className={tw('flex flex-col')}>
+            <React.Fragment key={optionKey}>
-              {/* Option Header */}
+              <div className={tw('flex flex-col')}>
-              <div
+                {/* Option Header */}
-                className={tw('mb-3 flex items-start gap-3 text-label-primary')}
-              >
-                <div className={tw('type-title-small')}>{option}</div>
                 <div
-                  className={tw('ms-auto mt-[2px] shrink-0 type-body-medium')}
+                  className={tw(
+                    'mb-3 flex items-start gap-3 text-label-primary'
+                  )}
                 >
-                  {i18n('icu:PollVotesModal__voteCount', {
+                  <div className={tw('type-title-small')}>{option}</div>
-                    count: voters.length,
+                  <div
-                  })}
+                    className={tw('ms-auto mt-[2px] shrink-0 type-body-medium')}
+                  >
+                    {i18n('icu:PollVotesModal__voteCount', {
+                      count: voters.length,
+                    })}
+                  </div>
+                </div>
+
+                {/* Voters List */}
+                <div className={tw('flex flex-col gap-4')}>
+                  {voters.map((vote: PollVoteWithUserType) => (
+                    <div
+                      key={vote.from.id}
+                      className={tw('flex items-center gap-3')}
+                    >
+                      <Avatar
+                        avatarUrl={vote.from.avatarUrl}
+                        badge={undefined}
+                        color={vote.from.color}
+                        conversationType="direct"
+                        i18n={i18n}
+                        noteToSelf={false}
+                        phoneNumber={vote.from.phoneNumber}
+                        profileName={vote.from.profileName}
+                        sharedGroupNames={vote.from.sharedGroupNames}
+                        size={AvatarSize.THIRTY_SIX}
+                        title={vote.from.title}
+                      />
+                      <div className={tw('min-w-0 flex-1')}>
+                        <ContactName
+                          title={vote.from.title}
+                          module={tw('type-body-large text-label-primary')}
+                        />
+                      </div>
+                    </div>
+                  ))}
                 </div>
               </div>
-
+              {!isLastOption && (
-              {/* Voters List */}
+                <hr className={tw('border-t-[0.5px] border-label-secondary')} />
-              <div className={tw('flex flex-col gap-4')}>
+              )}
-                {voters.map((vote: PollVoteWithUserType) => (
+            </React.Fragment>
-                  <div
-                    key={vote.from.id}
-                    className={tw('flex items-center gap-3')}
-                  >
-                    <Avatar
-                      avatarUrl={vote.from.avatarUrl}
-                      badge={undefined}
-                      color={vote.from.color}
-                      conversationType="direct"
-                      i18n={i18n}
-                      noteToSelf={false}
-                      phoneNumber={vote.from.phoneNumber}
-                      profileName={vote.from.profileName}
-                      sharedGroupNames={vote.from.sharedGroupNames}
-                      size={AvatarSize.THIRTY_SIX}
-                      title={vote.from.title}
-                    />
-                    <div className={tw('min-w-0 flex-1')}>
-                      <ContactName
-                        title={vote.from.title}
-                        module={tw('type-body-large text-label-primary')}
-                      />
-                    </div>
-                  </div>
-                ))}
-              </div>
-            </div>
           );
         })}
 
@@ -104,6 +119,24 @@ export function PollVotesModal({
             {i18n('icu:PollVotesModal__noVotes')}
           </div>
         )}
+
+        {!poll.terminatedAt && canEndPoll && (
+          <>
+            <hr className={tw('border-t-[0.5px] border-label-secondary')} />
+            <div className={tw('flex justify-center')}>
+              <AxoButton.Root
+                size="lg"
+                variant="secondary"
+                onClick={() => {
+                  endPoll(messageId);
+                  onClose();
+                }}
+              >
+                {i18n('icu:Poll__end-poll')}
+              </AxoButton.Root>
+            </div>
+          </>
+        )}
       </div>
     </Modal>
   );

ts/jobs/conversationJobQueue.preload.ts

@@ -20,6 +20,7 @@ import { sendDeleteForEveryone } from './helpers/sendDeleteForEveryone.preload.j
 import { sendDeleteStoryForEveryone } from './helpers/sendDeleteStoryForEveryone.preload.js';
 import { sendProfileKey } from './helpers/sendProfileKey.preload.js';
 import { sendReaction } from './helpers/sendReaction.preload.js';
+import { sendPollTerminate } from './helpers/sendPollTerminate.preload.js';
 import { sendPollVote } from './helpers/sendPollVote.preload.js';
 import { sendStory } from './helpers/sendStory.preload.js';
 import { sendReceipts } from './helpers/sendReceipts.preload.js';
@@ -70,10 +71,11 @@ export const conversationQueueJobEnum = z.enum([
   'GroupUpdate',
   'NormalMessage',
   'NullMessage',
+  'PollTerminate',
+  'PollVote',
   'ProfileKey',
   'ProfileKeyForCall',
   'Reaction',
-  'PollVote',
   'ResendRequest',
   'SavedProto',
   'SenderKeyDistribution',
@@ -206,6 +208,15 @@ const pollVoteJobDataSchema = z.object({
 });
 export type PollVoteJobData = z.infer<typeof pollVoteJobDataSchema>;
 
+const pollTerminateJobDataSchema = z.object({
+  type: z.literal(conversationQueueJobEnum.enum.PollTerminate),
+  conversationId: z.string(),
+  pollMessageId: z.string(),
+  targetTimestamp: z.number(),
+  revision: z.number().optional(),
+});
+export type PollTerminateJobData = z.infer<typeof pollTerminateJobDataSchema>;
+
 const resendRequestJobDataSchema = z.object({
   type: z.literal(conversationQueueJobEnum.enum.ResendRequest),
   conversationId: z.string(),
@@ -268,9 +279,10 @@ export const conversationQueueJobDataSchema = z.union([
   groupUpdateJobDataSchema,
   normalMessageSendJobDataSchema,
   nullMessageJobDataSchema,
+  pollTerminateJobDataSchema,
+  pollVoteJobDataSchema,
   profileKeyJobDataSchema,
   reactionJobDataSchema,
-  pollVoteJobDataSchema,
   resendRequestJobDataSchema,
   savedProtoJobDataSchema,
   senderKeyDistributionJobDataSchema,
@@ -327,8 +339,11 @@ function shouldSendShowCaptcha(type: ConversationQueueJobEnum): boolean {
   if (type === 'Reaction') {
     return false;
   }
+  if (type === 'PollTerminate') {
+    return true;
+  }
   if (type === 'PollVote') {
-    return false;
+    return true;
   }
   if (type === 'Receipts') {
     return false;
@@ -974,6 +989,9 @@ export class ConversationJobQueue extends JobQueue<ConversationQueueJobData> {
         case jobSet.Reaction:
           await sendReaction(conversation, jobBundle, data);
           break;
+        case jobSet.PollTerminate:
+          await sendPollTerminate(conversation, jobBundle, data);
+          break;
         case jobSet.PollVote:
           await sendPollVote(conversation, jobBundle, data);
           break;

ts/jobs/helpers/sendPollTerminate.preload.ts

@@ -0,0 +1,206 @@
+// Copyright 2025 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { ContentHint } from '@signalapp/libsignal-client';
+import lodash from 'lodash';
+
+import type { ConversationModel } from '../../models/conversations.preload.js';
+import type {
+  ConversationQueueJobBundle,
+  PollTerminateJobData,
+} from '../conversationJobQueue.preload.js';
+import { PollTerminateSendStatus } from '../../types/Polls.dom.js';
+import { wrapWithSyncMessageSend } from '../../util/wrapWithSyncMessageSend.preload.js';
+import { sendContentMessageToGroup } from '../../util/sendToGroup.preload.js';
+import { getMessageById } from '../../messages/getMessageById.preload.js';
+import { ourProfileKeyService } from '../../services/ourProfileKey.std.js';
+import { getSendOptions } from '../../util/getSendOptions.preload.js';
+import { isGroupV2 } from '../../util/whatTypeOfConversation.dom.js';
+import {
+  handleMultipleSendErrors,
+  maybeExpandErrors,
+} from './handleMultipleSendErrors.std.js';
+import { getRecipients } from '../../util/getRecipients.dom.js';
+import type { MessageModel } from '../../models/messages.preload.js';
+import type { LoggerType } from '../../types/Logging.std.js';
+import { strictAssert } from '../../util/assert.std.js';
+import { DataWriter } from '../../sql/Client.preload.js';
+import { cleanupMessages } from '../../util/cleanup.preload.js';
+
+const { isNumber } = lodash;
+
+export async function sendPollTerminate(
+  conversation: ConversationModel,
+  {
+    isFinalAttempt,
+    messaging,
+    shouldContinue,
+    timeRemaining,
+    log: jobLog,
+  }: ConversationQueueJobBundle,
+  data: PollTerminateJobData
+): Promise<void> {
+  const { pollMessageId, targetTimestamp, revision } = data;
+
+  const logId = `sendPollTerminate(${conversation.idForLogging()}, ${pollMessageId})`;
+
+  const pollMessage = await getMessageById(pollMessageId);
+  if (!pollMessage) {
+    jobLog.error(`${logId}: Failed to fetch poll message. Failing job.`);
+    return;
+  }
+
+  const poll = pollMessage.get('poll');
+  if (!poll) {
+    jobLog.error(`${logId}: Message has no poll object. Failing job.`);
+    await markTerminateFailed(pollMessage, jobLog);
+    return;
+  }
+
+  if (!isGroupV2(conversation.attributes)) {
+    jobLog.error(`${logId}: Non-GroupV2 conversation. Failing job.`);
+    return;
+  }
+
+  if (!shouldContinue) {
+    jobLog.info(`${logId}: Ran out of time. Giving up on sending`);
+    await markTerminateFailed(pollMessage, jobLog);
+    return;
+  }
+
+  const recipients = getRecipients(conversation.attributes);
+
+  await conversation.queueJob(
+    'conversationQueue/sendPollTerminate',
+    async abortSignal => {
+      jobLog.info(
+        `${logId}: Sending poll terminate for poll timestamp ${targetTimestamp}`
+      );
+
+      const profileKey = conversation.get('profileSharing')
+        ? await ourProfileKeyService.get()
+        : undefined;
+
+      const sendOptions = await getSendOptions(conversation.attributes);
+
+      try {
+        if (isGroupV2(conversation.attributes) && !isNumber(revision)) {
+          jobLog.error('No revision provided, but conversation is GroupV2');
+        }
+
+        const groupV2Info = conversation.getGroupV2Info({
+          members: recipients,
+        });
+        if (groupV2Info && isNumber(revision)) {
+          groupV2Info.revision = revision;
+        }
+
+        strictAssert(groupV2Info, 'could not get group info from conversation');
+
+        const timestamp = Date.now();
+        const expireTimer = conversation.get('expireTimer');
+
+        const contentMessage = await messaging.getPollTerminateContentMessage({
+          groupV2: groupV2Info,
+          timestamp,
+          profileKey,
+          expireTimer,
+          expireTimerVersion: conversation.getExpireTimerVersion(),
+          pollTerminate: {
+            targetTimestamp,
+          },
+        });
+
+        if (abortSignal?.aborted) {
+          throw new Error('sendPollTerminate was aborted');
+        }
+
+        await wrapWithSyncMessageSend({
+          conversation,
+          logId,
+          messageIds: [pollMessageId],
+          send: async () =>
+            sendContentMessageToGroup({
+              contentHint: ContentHint.Resendable,
+              contentMessage,
+              messageId: pollMessageId,
+              recipients,
+              sendOptions,
+              sendTarget: conversation.toSenderKeyTarget(),
+              sendType: 'pollTerminate',
+              timestamp,
+              urgent: true,
+            }),
+          sendType: 'pollTerminate',
+          timestamp,
+        });
+
+        await markTerminateSuccess(pollMessage, jobLog);
+      } catch (error: unknown) {
+        const errors = maybeExpandErrors(error);
+        await handleMultipleSendErrors({
+          errors,
+          isFinalAttempt,
+          log: jobLog,
+          markFailed: () => markTerminateFailed(pollMessage, jobLog),
+          timeRemaining,
+          toThrow: error,
+        });
+      }
+    }
+  );
+}
+
+async function markTerminateSuccess(
+  message: MessageModel,
+  log: LoggerType
+): Promise<void> {
+  log.info('markTerminateSuccess: Poll terminate sent successfully');
+  const poll = message.get('poll');
+  if (poll) {
+    message.set({
+      poll: {
+        ...poll,
+        terminateSendStatus: PollTerminateSendStatus.Complete,
+      },
+    });
+    await window.MessageCache.saveMessage(message.attributes);
+  }
+}
+
+async function markTerminateFailed(
+  message: MessageModel,
+  log: LoggerType
+): Promise<void> {
+  log.error('markTerminateFailed: Poll terminate send failed');
+  const poll = message.get('poll');
+  if (!poll) {
+    return;
+  }
+
+  message.set({
+    poll: {
+      ...poll,
+      terminatedAt: undefined,
+      terminateSendStatus: PollTerminateSendStatus.Failed,
+    },
+  });
+  await window.MessageCache.saveMessage(message.attributes);
+
+  // Delete the poll-terminate chat event from timeline
+  if (poll.terminatedAt) {
+    const notificationMessage = await window.MessageCache.findBySentAt(
+      poll.terminatedAt,
+      m =>
+        m.get('type') === 'poll-terminate' &&
+        m.get('pollTerminateNotification')?.pollMessageId === message.id
+    );
+
+    if (notificationMessage) {
+      log.info('markTerminateFailed: Deleting poll-terminate notification');
+      await DataWriter.removeMessage(notificationMessage.id, {
+        cleanupMessages,
+      });
+    }
+  }
+}

ts/jobs/helpers/sendPollVote.preload.ts

@@ -254,7 +254,7 @@ export async function sendPollVote(
         }
       );
 
-      await send(ephemeral, {
+      const messageSendPromise = send(ephemeral, {
         promise: handleMessageSend(promise, {
           messageIds: [pollMessageId],
           sendType: 'pollVote',
@@ -263,7 +263,9 @@ export async function sendPollVote(
         targetTimestamp: currentTimestamp,
       });
 
-      // Await the inner promise to get SendMessageProtoError for upstream processors
+      // Because message.send swallows and processes errors, we'll await the inner promise
+      //   to get the SendMessageProtoError, which gives us information upstream
+      //   processors need to detect certain kinds of situations.
       try {
         await promise;
       } catch (error) {
@@ -278,6 +280,8 @@ export async function sendPollVote(
         }
       }
 
+      await messageSendPromise;
+
       // Check if the send fully succeeded
       ephemeralSendStateByConversationId =
         ephemeral.get('sendStateByConversationId') || {};

ts/messageModifiers/Polls.preload.ts

@@ -7,6 +7,7 @@ import type {
   ReadonlyMessageAttributesType,
 } from '../model-types.d.ts';
 import type { MessagePollVoteType } from '../types/Polls.dom.js';
+import { PollTerminateSendStatus } from '../types/Polls.dom.js';
 import { MessageModel } from '../models/messages.preload.js';
 import { DataReader } from '../sql/Client.preload.js';
 import * as Errors from '../types/errors.std.js';
@@ -523,10 +524,16 @@ export async function handlePollTerminate(
     return;
   }
 
+  const isFromThisDevice = terminate.source === PollSource.FromThisDevice;
+
   message.set({
     poll: {
       ...poll,
       terminatedAt: terminate.timestamp,
+      // Track send status (only for our own terminates)
+      terminateSendStatus: isFromThisDevice
+        ? PollTerminateSendStatus.Pending
+        : PollTerminateSendStatus.NotInitiated,
     },
   });
 
@@ -537,6 +544,15 @@ export async function handlePollTerminate(
 
   if (shouldPersist) {
     await window.MessageCache.saveMessage(message.attributes);
+
+    await conversation.addPollTerminateNotification({
+      pollQuestion: poll.question,
+      pollMessageId: message.id,
+      terminatorId: terminate.fromConversationId,
+      timestamp: terminate.timestamp,
+      isMeTerminating: isMe(author.attributes),
+    });
+
     window.reduxActions.conversations.markOpenConversationRead(conversation.id);
   }
 }

ts/model-types.d.ts

@@ -166,6 +166,7 @@ type MessageType =
   | 'keychange'
   | 'outgoing'
   | 'phone-number-discovery'
+  | 'poll-terminate'
   | 'profile-change'
   | 'story'
   | 'timer-notification'
@@ -212,6 +213,10 @@ export type MessageAttributesType = {
   quote?: QuotedMessageType;
   reactions?: ReadonlyArray<MessageReactionType>;
   poll?: PollMessageAttribute;
+  pollTerminateNotification?: {
+    question: string;
+    pollMessageId: string;
+  };
   requiredProtocolVersion?: number;
   sms?: boolean;
   sourceDevice?: number;

ts/models/conversations.preload.ts

@@ -3495,6 +3495,44 @@ export class ConversationModel {
     }
   }
 
+  async addPollTerminateNotification(params: {
+    pollQuestion: string;
+    pollMessageId: string;
+    terminatorId: string;
+    timestamp: number;
+    isMeTerminating: boolean;
+  }): Promise<void> {
+    const terminatorConversation = window.ConversationController.get(
+      params.terminatorId
+    );
+    const terminatorServiceId = terminatorConversation?.getServiceId();
+
+    const message = new MessageModel({
+      ...generateMessageId(incrementMessageCounter()),
+      conversationId: this.id,
+      type: 'poll-terminate',
+      sent_at: params.timestamp,
+      timestamp: params.timestamp,
+      received_at_ms: params.timestamp,
+      sourceServiceId: terminatorServiceId,
+      pollTerminateNotification: {
+        question: params.pollQuestion,
+        pollMessageId: params.pollMessageId,
+      },
+      readStatus: params.isMeTerminating ? ReadStatus.Read : ReadStatus.Unread,
+      seenStatus: params.isMeTerminating ? SeenStatus.Seen : SeenStatus.Unseen,
+      schemaVersion: Message.VERSION_NEEDED_FOR_DISPLAY,
+    });
+
+    await window.MessageCache.saveMessage(message, { forceSave: true });
+    window.MessageCache.register(message);
+
+    drop(this.onNewMessage(message));
+
+    this.throttledUpdateUnread();
+    await maybeNotify({ message: message.attributes, conversation: this });
+  }
+
   async addNotification(
     type: MessageAttributesType['type'],
     extra: Partial<MessageAttributesType> = {}

ts/polls/enqueuePollTerminateForSend.preload.ts

@@ -0,0 +1,74 @@
+// Copyright 2025 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { v7 as generateUuid } from 'uuid';
+import {
+  conversationJobQueue,
+  conversationQueueJobEnum,
+} from '../jobs/conversationJobQueue.preload.js';
+import { getMessageById } from '../messages/getMessageById.preload.js';
+import {
+  handlePollTerminate,
+  PollSource,
+  type PollTerminateAttributesType,
+} from '../messageModifiers/Polls.preload.js';
+import { isGroup } from '../util/whatTypeOfConversation.dom.js';
+import { strictAssert } from '../util/assert.std.js';
+import { createLogger } from '../logging/log.std.js';
+
+const log = createLogger('enqueuePollTerminateForSend');
+
+export async function enqueuePollTerminateForSend({
+  messageId,
+}: Readonly<{
+  messageId: string;
+}>): Promise<void> {
+  const message = await getMessageById(messageId);
+  strictAssert(message, 'enqueuePollTerminateForSend: no message found');
+
+  const conversation = window.ConversationController.get(
+    message.get('conversationId')
+  );
+  strictAssert(
+    conversation,
+    'enqueuePollTerminateForSend: No conversation extracted from target message'
+  );
+  strictAssert(
+    isGroup(conversation.attributes),
+    'enqueuePollTerminateForSend: conversation must be a group'
+  );
+
+  const ourId = window.ConversationController.getOurConversationIdOrThrow();
+  const timestamp = Date.now();
+  const targetTimestamp = message.get('sent_at');
+
+  const terminate: PollTerminateAttributesType = {
+    envelopeId: generateUuid(),
+    removeFromMessageReceiverCache: () => undefined,
+    fromConversationId: ourId,
+    source: PollSource.FromThisDevice,
+    targetTimestamp,
+    receivedAtDate: timestamp,
+    timestamp,
+  };
+
+  await handlePollTerminate(message, terminate, { shouldPersist: true });
+
+  await conversationJobQueue.add(
+    {
+      type: conversationQueueJobEnum.enum.PollTerminate,
+      conversationId: conversation.id,
+      pollMessageId: messageId,
+      targetTimestamp,
+      revision: conversation.get('revision'),
+    },
+    async jobToInsert => {
+      log.info(
+        `Enqueueing poll terminate for poll ${messageId} with job ${jobToInsert.id}`
+      );
+      await window.MessageCache.saveMessage(message.attributes, {
+        jobToInsert,
+      });
+    }
+  );
+}

ts/state/ducks/composer.preload.ts

@@ -77,6 +77,7 @@ import { canReply, isNormalBubble } from '../selectors/message.preload.js';
 import { getAuthorId } from '../../messages/sources.preload.js';
 import { getConversationSelector } from '../selectors/conversations.dom.js';
 import { enqueueReactionForSend } from '../../reactions/enqueueReactionForSend.preload.js';
+import { enqueuePollTerminateForSend } from '../../polls/enqueuePollTerminateForSend.preload.js';
 import { useBoundActions } from '../../hooks/useBoundActions.std.js';
 import {
   CONVERSATION_UNLOADED,
@@ -242,6 +243,7 @@ export const actions = {
   addAttachment,
   addPendingAttachment,
   cancelJoinRequest,
+  endPoll,
   incrementSendCounter,
   onClearAttachments,
   onCloseLinkPreview,
@@ -253,6 +255,7 @@ export const actions = {
   replaceAttachments,
   resetComposer,
   saveDraftRecordingIfNeeded,
+  scrollToPollMessage,
   scrollToQuotedMessage,
   sendEditedMessage,
   sendMultiMediaMessage,
@@ -374,6 +377,40 @@ function scrollToQuotedMessage({
   };
 }
 
+function scrollToPollMessage(
+  pollMessageId: string,
+  conversationId: string
+): ThunkAction<
+  void,
+  RootStateType,
+  unknown,
+  ShowToastActionType | ScrollToMessageActionType
+> {
+  return async (dispatch, getState) => {
+    const pollMessage = await getMessageById(pollMessageId);
+
+    if (!pollMessage) {
+      dispatch({
+        type: SHOW_TOAST,
+        payload: {
+          toastType: ToastType.PollNotFound,
+        },
+      });
+      return;
+    }
+
+    if (getState().conversations.selectedConversationId !== conversationId) {
+      return;
+    }
+
+    scrollToMessage(conversationId, pollMessageId)(
+      dispatch,
+      getState,
+      undefined
+    );
+  };
+}
+
 export function saveDraftRecordingIfNeeded(): ThunkAction<
   void,
   RootStateType,
@@ -1349,6 +1386,33 @@ function reactToMessage(
   };
 }
 
+function endPoll(
+  messageId: string
+): ThunkAction<
+  void,
+  RootStateType,
+  unknown,
+  NoopActionType | ShowToastActionType
+> {
+  return async dispatch => {
+    try {
+      await enqueuePollTerminateForSend({ messageId });
+      dispatch({
+        type: 'NOOP',
+        payload: null,
+      });
+    } catch (error) {
+      log.error('endPoll: Error sending poll terminate', error, messageId);
+      dispatch({
+        type: SHOW_TOAST,
+        payload: {
+          toastType: ToastType.Error,
+        },
+      });
+    }
+  };
+}
+
 export function resetComposer(conversationId: string): ResetComposerActionType {
   return {
     type: RESET_COMPOSER,

ts/state/selectors/message.preload.ts

@@ -889,6 +889,7 @@ export const getPropsForMessage = (
     canEditMessage: canEditMessage(message),
     canDeleteForEveryone: canDeleteForEveryone(message, conversation.isMe),
     canDownload: canDownload(message, conversationSelector),
+    canEndPoll: canEndPoll(message),
     canForward: canForward(message),
     canReact: canReact(message, ourConversationId, conversationSelector),
     canReply: canReply(message, ourConversationId, conversationSelector),
@@ -1068,6 +1069,13 @@ export function getPropsForBubble(
       timestamp,
     };
   }
+  if (isPollTerminate(message)) {
+    return {
+      type: 'pollTerminate',
+      data: getPropsForPollTerminate(message, options),
+      timestamp,
+    };
+  }
   if (isUniversalTimerNotification(message)) {
     return {
       type: 'universalTimerNotification',
@@ -1679,6 +1687,35 @@ function getPropsForProfileChange(
   } as ProfileChangeNotificationPropsType;
 }
 
+// Poll Terminate
+
+export function isPollTerminate(message: MessageWithUIFieldsType): boolean {
+  return message.type === 'poll-terminate';
+}
+
+function getPropsForPollTerminate(
+  message: MessageWithUIFieldsType,
+  { conversationSelector }: GetPropsForBubbleOptions
+) {
+  const { pollTerminateNotification, sourceServiceId, conversationId } =
+    message;
+
+  if (!pollTerminateNotification) {
+    throw new Error(
+      'getPropsForPollTerminate: pollTerminateNotification is undefined'
+    );
+  }
+
+  const sender = conversationSelector(sourceServiceId);
+
+  return {
+    sender,
+    pollQuestion: pollTerminateNotification.question,
+    pollMessageId: pollTerminateNotification.pollMessageId,
+    conversationId,
+  };
+}
+
 // Message Request Response Event
 
 export function isMessageRequestResponse(
@@ -2221,6 +2258,25 @@ export function canRetryDeleteForEveryone(
   );
 }
 
+export function canEndPoll(
+  message: Pick<MessageWithUIFieldsType, 'type' | 'poll'>
+): boolean {
+  if (message.type !== 'outgoing') {
+    return false;
+  }
+
+  const { poll } = message;
+  if (!poll) {
+    return false;
+  }
+
+  if (poll.terminatedAt != null) {
+    return false;
+  }
+
+  return true;
+}
+
 export function canDownload(
   message: MessageWithUIFieldsType,
   conversationSelector: GetConversationByIdType

ts/state/smart/MessageDetail.preload.tsx

@@ -17,6 +17,7 @@ import { getMessageDetails } from '../selectors/message.preload.js';
 import { getPreferredBadgeSelector } from '../selectors/badges.preload.js';
 import { renderAudioAttachment } from './renderAudioAttachment.preload.js';
 import { useAccountsActions } from '../ducks/accounts.preload.js';
+import { useComposerActions } from '../ducks/composer.preload.js';
 import { useConversationsActions } from '../ducks/conversations.preload.js';
 import { useGlobalModalActions } from '../ducks/globalModals.preload.js';
 import { useLightboxActions } from '../ducks/lightbox.preload.js';
@@ -38,6 +39,7 @@ export const SmartMessageDetail = memo(
     const messageDetails = useSelector(getMessageDetails);
     const theme = useSelector(getTheme);
     const { checkForAccount } = useAccountsActions();
+    const { endPoll } = useComposerActions();
     const {
       cancelAttachmentDownload,
       clearTargetedMessage: clearSelectedMessage,
@@ -93,6 +95,7 @@ export const SmartMessageDetail = memo(
         contactNameColor={contactNameColor}
         contacts={contacts}
         doubleCheckMissingQuoteReference={doubleCheckMissingQuoteReference}
+        endPoll={endPoll}
         errors={errors}
         getPreferredBadge={getPreferredBadge}
         i18n={i18n}

ts/state/smart/TimelineItem.preload.tsx

@@ -147,8 +147,13 @@ export const SmartTimelineItem = memo(function SmartTimelineItem(
     toggleSelectMessage,
   } = useConversationsActions();
 
-  const { reactToMessage, scrollToQuotedMessage, setQuoteByMessageId } =
+  const {
-    useComposerActions();
+    endPoll,
+    reactToMessage,
+    scrollToPollMessage,
+    scrollToQuotedMessage,
+    setQuoteByMessageId,
+  } = useComposerActions();
 
   const {
     showContactModal,
@@ -218,6 +223,7 @@ export const SmartTimelineItem = memo(function SmartTimelineItem(
       messageExpanded={messageExpanded}
       openGiftBadge={openGiftBadge}
       pushPanelForConversation={pushPanelForConversation}
+      endPoll={endPoll}
       reactToMessage={reactToMessage}
       copyMessageText={copyMessageText}
       onOpenEditNicknameAndNoteModal={onOpenEditNicknameAndNoteModal}
@@ -232,6 +238,7 @@ export const SmartTimelineItem = memo(function SmartTimelineItem(
       returnToActiveCall={returnToActiveCall}
       saveAttachment={saveAttachment}
       saveAttachments={saveAttachments}
+      scrollToPollMessage={scrollToPollMessage}
       scrollToQuotedMessage={scrollToQuotedMessage}
       targetMessage={targetMessage}
       setQuoteByMessageId={setQuoteByMessageId}

ts/textsecure/SendMessage.preload.ts

@@ -217,6 +217,9 @@ export type MessageOptionsType = {
   reaction?: ReactionType;
   pollVote?: OutgoingPollVote;
   pollCreate?: PollCreateType;
+  pollTerminate?: Readonly<{
+    targetTimestamp: number;
+  }>;
   deletedForEveryoneTimestamp?: number;
   targetTimestampForEdit?: number;
   timestamp: number;
@@ -243,6 +246,9 @@ export type GroupSendOptionsType = {
   timestamp: number;
   pollVote?: OutgoingPollVote;
   pollCreate?: PollCreateType;
+  pollTerminate?: Readonly<{
+    targetTimestamp: number;
+  }>;
 };
 
 export type PollVoteBuildOptions = Required<
@@ -250,6 +256,11 @@ export type PollVoteBuildOptions = Required<
 > &
   Pick<MessageOptionsType, 'profileKey' | 'expireTimer' | 'expireTimerVersion'>;
 
+export type PollTerminateBuildOptions = Required<
+  Pick<MessageOptionsType, 'groupV2' | 'timestamp' | 'pollTerminate'>
+> &
+  Pick<MessageOptionsType, 'profileKey' | 'expireTimer' | 'expireTimerVersion'>;
+
 class Message {
   attachments: ReadonlyArray<Proto.IAttachmentPointer>;
 
@@ -288,6 +299,10 @@ class Message {
 
   pollCreate?: PollCreateType;
 
+  pollTerminate?: Readonly<{
+    targetTimestamp: number;
+  }>;
+
   timestamp: number;
 
   dataMessage?: Proto.DataMessage;
@@ -318,6 +333,7 @@ class Message {
     this.sticker = options.sticker;
     this.reaction = options.reaction;
     this.pollCreate = options.pollCreate;
+    this.pollTerminate = options.pollTerminate;
     this.timestamp = options.timestamp;
     this.deletedForEveryoneTimestamp = options.deletedForEveryoneTimestamp;
     this.groupCallUpdate = options.groupCallUpdate;
@@ -886,6 +902,62 @@ export class MessageSender {
     return contentMessage;
   }
 
+  createDataMessageProtoForPollTerminate({
+    groupV2,
+    timestamp,
+    profileKey,
+    expireTimer,
+    expireTimerVersion,
+    pollTerminate,
+  }: PollTerminateBuildOptions): Proto.DataMessage {
+    const dataMessage = new Proto.DataMessage();
+    dataMessage.timestamp = Long.fromNumber(timestamp);
+
+    const groupContext = new Proto.GroupContextV2();
+    groupContext.masterKey = groupV2.masterKey;
+    groupContext.revision = groupV2.revision;
+    dataMessage.groupV2 = groupContext;
+
+    if (typeof expireTimer !== 'undefined') {
+      dataMessage.expireTimer = expireTimer;
+    }
+    if (typeof expireTimerVersion !== 'undefined') {
+      dataMessage.expireTimerVersion = expireTimerVersion;
+    }
+    if (profileKey) {
+      dataMessage.profileKey = profileKey;
+    }
+
+    const terminate = new Proto.DataMessage.PollTerminate();
+    terminate.targetSentTimestamp = Long.fromNumber(
+      pollTerminate.targetTimestamp
+    );
+    dataMessage.pollTerminate = terminate;
+
+    return dataMessage;
+  }
+
+  async getPollTerminateContentMessage({
+    groupV2,
+    timestamp,
+    profileKey,
+    expireTimer,
+    expireTimerVersion,
+    pollTerminate,
+  }: PollTerminateBuildOptions): Promise<Proto.Content> {
+    const dataMessage = this.createDataMessageProtoForPollTerminate({
+      groupV2,
+      timestamp,
+      profileKey,
+      expireTimer,
+      expireTimerVersion,
+      pollTerminate,
+    });
+    const contentMessage = new Proto.Content();
+    contentMessage.dataMessage = dataMessage;
+    return contentMessage;
+  }
+
   async getStoryMessage({
     allowsReplies,
     bodyRanges,
@@ -1056,6 +1128,7 @@ export class MessageSender {
       timestamp,
       pollVote,
       pollCreate,
+      pollTerminate,
     } = options;
 
     if (!groupV2) {
@@ -1101,6 +1174,7 @@ export class MessageSender {
       timestamp,
       pollVote,
       pollCreate,
+      pollTerminate,
     };
   }
 

ts/types/Polls.dom.ts

@@ -84,6 +84,13 @@ export const PollTerminateSchema = z
   })
   .describe('PollTerminate');
 
+export enum PollTerminateSendStatus {
+  NotInitiated = 'NotInitiated',
+  Pending = 'Pending',
+  Complete = 'Complete',
+  Failed = 'Failed',
+}
+
 export type MessagePollVoteType = {
   fromConversationId: string;
   optionIndexes: ReadonlyArray<number>;
@@ -98,6 +105,7 @@ export type PollMessageAttribute = {
   allowMultiple: boolean;
   votes?: ReadonlyArray<MessagePollVoteType>;
   terminatedAt?: number;
+  terminateSendStatus?: PollTerminateSendStatus;
 };
 
 export type PollCreateType = Pick<

ts/types/Toast.dom.tsx

@@ -65,6 +65,7 @@ export enum ToastType {
   NotificationProfileUpdate = 'NotificationProfileUpdate',
   OriginalMessageNotFound = 'OriginalMessageNotFound',
   PinnedConversationsFull = 'PinnedConversationsFull',
+  PollNotFound = 'PollNotFound',
   ReactionFailed = 'ReactionFailed',
   ReceiptSaved = 'ReceiptSaved',
   ReceiptSaveFailed = 'ReceiptSaveFailed',
@@ -196,6 +197,7 @@ export type AnyToast =
     }
   | { toastType: ToastType.OriginalMessageNotFound }
   | { toastType: ToastType.PinnedConversationsFull }
+  | { toastType: ToastType.PollNotFound }
   | { toastType: ToastType.ReactionFailed }
   | {
       toastType: ToastType.ReceiptSaved;

ts/util/getNotificationDataForMessage.preload.ts

@@ -521,6 +521,25 @@ export function getNotificationDataForMessage(
     };
   }
 
+  const { pollTerminateNotification } = attributes;
+  if (pollTerminateNotification) {
+    const sender = findAndFormatContact(attributes.sourceServiceId);
+
+    const text = sender.isMe
+      ? i18n('icu:PollTerminate--you', {
+          poll: pollTerminateNotification.question,
+        })
+      : i18n('icu:PollTerminate--other', {
+          name: sender.title,
+          poll: pollTerminateNotification.question,
+        });
+
+    return {
+      emoji: '📊',
+      text,
+    };
+  }
+
   if (body) {
     return {
       text: body,

ts/util/handleMessageSend.preload.ts

@@ -31,6 +31,7 @@ export const sendTypesEnum = z.enum([
   'expirationTimerUpdate', // non-urgent
   'groupChange', // non-urgent
   'reaction',
+  'pollTerminate',
   'pollVote', // non-urgent
   'typing', // excluded from send log; non-urgent
 

ts/util/wrapWithSyncMessageSend.preload.ts

@@ -44,6 +44,7 @@ export async function wrapWithSyncMessageSend({
       messageIds,
       sendType,
     });
+
     didSuccessfullySendOne = true;
   } catch (thrown) {
     if (thrown instanceof SendMessageProtoError) {