Allow unpinning all pinned messages

_locales/en/messages.json

@@ -1750,6 +1750,22 @@
     "messageformat": "Unpin all messages",
     "description": "Conversation > Pinned messages panel (view all) > Unpin all messages button"
   },
+  "icu:PinnedMessagesPanel__UnpinAllMessages__ConfirmDialog__Title": {
+    "messageformat": "Unpin all messages?",
+    "description": "Conversation > Pinned messages panel (view all) > Unpin all messages button > Confirm Dialog > Title"
+  },
+  "icu:PinnedMessagesPanel__UnpinAllMessages__ConfirmDialog__Description--Group": {
+    "messageformat": "Messages will be unpinned for all group members.",
+    "description": "Conversation > Pinned messages panel (view all) > Unpin all messages button > Confirm Dialog > Description (in group)"
+  },
+  "icu:PinnedMessagesPanel__UnpinAllMessages__ConfirmDialog__Cancel": {
+    "messageformat": "Cancel",
+    "description": "Conversation > Pinned messages panel (view all) > Unpin all messages button > Confirm Dialog > Cancel"
+  },
+  "icu:PinnedMessagesPanel__UnpinAllMessages__ConfirmDialog__Unpin": {
+    "messageformat": "Unpin",
+    "description": "Conversation > Pinned messages panel (view all) > Unpin all messages button > Confirm Dialog > Unpin"
+  },
   "icu:sessionEnded": {
     "messageformat": "Secure session reset",
     "description": "This is a past tense, informational message. In other words, your secure session has been reset."

ts/components/conversation/pinned-messages/PinnedMessagesPanel.dom.tsx

@@ -5,6 +5,7 @@ import React, {
   forwardRef,
   Fragment,
   memo,
+  useCallback,
   useMemo,
   useRef,
   useState,
@@ -26,12 +27,14 @@ import { useSizeObserver } from '../../../hooks/useSizeObserver.dom.js';
 import { MessageInteractivity } from '../Message.dom.js';
 import { tw } from '../../../axo/tw.dom.js';
 import { AxoButton } from '../../../axo/AxoButton.dom.js';
+import { AxoAlertDialog } from '../../../axo/AxoAlertDialog.dom.js';
 
 export type PinnedMessagesPanelProps = Readonly<{
   i18n: LocalizerType;
   conversation: ConversationType;
   pinnedMessages: ReadonlyArray<PinnedMessageRenderData>;
   canPinMessages: boolean;
+  onPinnedMessageRemoveAll: () => void;
   renderTimelineItem: (props: SmartTimelineItemProps) => JSX.Element;
 }>;
 
@@ -44,6 +47,13 @@ export const PinnedMessagesPanel = memo(function PinnedMessagesPanel(
     WidthBreakpoint.Wide
   );
 
+  const [confirmUnpinAllDialogOpen, setConfirmUnpinAllDialogOpen] =
+    useState(false);
+
+  const handleClickUnpinAll = useCallback(() => {
+    setConfirmUnpinAllDialogOpen(true);
+  }, []);
+
   useLayoutEffect(() => {
     strictAssert(containerElementRef.current, 'Missing container ref');
     const container = containerElementRef.current;
@@ -81,11 +91,49 @@ export const PinnedMessagesPanel = memo(function PinnedMessagesPanel(
       </ScrollArea>
       {props.canPinMessages && (
         <div className={tw('flex items-center justify-center p-2.5')}>
-          <AxoButton.Root variant="borderless-primary" size="lg">
+          <AxoButton.Root
+            variant="borderless-primary"
+            size="lg"
+            onClick={handleClickUnpinAll}
+          >
             {i18n('icu:PinnedMessagesPanel__UnpinAllMessages')}
           </AxoButton.Root>
         </div>
       )}
+      <AxoAlertDialog.Root
+        open={confirmUnpinAllDialogOpen}
+        onOpenChange={setConfirmUnpinAllDialogOpen}
+      >
+        <AxoAlertDialog.Content escape="cancel-is-noop">
+          <AxoAlertDialog.Body>
+            <AxoAlertDialog.Title>
+              {i18n(
+                'icu:PinnedMessagesPanel__UnpinAllMessages__ConfirmDialog__Title'
+              )}
+            </AxoAlertDialog.Title>
+            <AxoAlertDialog.Description>
+              {i18n(
+                'icu:PinnedMessagesPanel__UnpinAllMessages__ConfirmDialog__Description--Group'
+              )}
+            </AxoAlertDialog.Description>
+          </AxoAlertDialog.Body>
+          <AxoAlertDialog.Footer>
+            <AxoAlertDialog.Cancel>
+              {i18n(
+                'icu:PinnedMessagesPanel__UnpinAllMessages__ConfirmDialog__Cancel'
+              )}
+            </AxoAlertDialog.Cancel>
+            <AxoAlertDialog.Action
+              variant="primary"
+              onClick={props.onPinnedMessageRemoveAll}
+            >
+              {i18n(
+                'icu:PinnedMessagesPanel__UnpinAllMessages__ConfirmDialog__Unpin'
+              )}
+            </AxoAlertDialog.Action>
+          </AxoAlertDialog.Footer>
+        </AxoAlertDialog.Content>
+      </AxoAlertDialog.Root>
     </div>
   );
 });

ts/state/smart/PinnedMessagesPanel.preload.tsx

@@ -1,7 +1,7 @@
 // Copyright 2025 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import React, { memo } from 'react';
+import React, { memo, useCallback } from 'react';
 import { useSelector } from 'react-redux';
 import { getIntl } from '../selectors/user.std.js';
 import { getConversationByIdSelector } from '../selectors/conversations.dom.js';
@@ -11,6 +11,8 @@ import type { SmartTimelineItemProps } from './TimelineItem.preload.js';
 import { SmartTimelineItem } from './TimelineItem.preload.js';
 import { getPinnedMessages } from '../selectors/pinnedMessages.dom.js';
 import { canPinMessages as getCanPinMessages } from '../selectors/message.preload.js';
+import { usePinnedMessagesActions } from '../ducks/pinnedMessages.preload.js';
+import { useConversationsActions } from '../ducks/conversations.preload.js';
 
 export type SmartPinnedMessagesPanelProps = Readonly<{
   conversationId: string;
@@ -26,6 +28,7 @@ export const SmartPinnedMessagesPanel = memo(function SmartPinnedMessagesPanel(
   const i18n = useSelector(getIntl);
   const conversationSelector = useSelector(getConversationByIdSelector);
   const conversation = conversationSelector(props.conversationId);
+  const { popPanelForConversation } = useConversationsActions();
 
   strictAssert(
     conversation,
@@ -35,6 +38,15 @@ export const SmartPinnedMessagesPanel = memo(function SmartPinnedMessagesPanel(
   const pinnedMessages = useSelector(getPinnedMessages);
   const canPinMessages = getCanPinMessages(conversation);
 
+  const { onPinnedMessageRemove } = usePinnedMessagesActions();
+
+  const handlePinnedMessageRemoveAll = useCallback(() => {
+    popPanelForConversation();
+    for (const { pinnedMessage } of pinnedMessages) {
+      onPinnedMessageRemove(pinnedMessage.messageId);
+    }
+  }, [popPanelForConversation, pinnedMessages, onPinnedMessageRemove]);
+
   return (
     <PinnedMessagesPanel
       i18n={i18n}
@@ -42,6 +54,7 @@ export const SmartPinnedMessagesPanel = memo(function SmartPinnedMessagesPanel(
       pinnedMessages={pinnedMessages}
       renderTimelineItem={renderTimelineItem}
       canPinMessages={canPinMessages}
+      onPinnedMessageRemoveAll={handlePinnedMessageRemoveAll}
     />
   );
 });