onDoubleTap: () {
        // Access the PerAccountStore to get user-specific data.
        final store = PerAccountStoreWidget.of(context);
        // First emoji in popular Candidates is thumbs up
        final thumbsUpEmoji = EmojiStore.popularEmojiCandidates.toList()[0];
        // Check if the user has already reacted with thumbs up
        // Uses the same logic as hasSelfVote() in action_sheet.dart
        final isSelfVoted = message.reactions?.aggregated.any((reactionWithVotes) =>
          reactionWithVotes.reactionType == ReactionType.unicodeEmoji
          && reactionWithVotes.emojiCode == thumbsUpEmoji.emojiCode
          && reactionWithVotes.userIds.contains(store.selfUserId)) ?? false;

        // Get the localizations for the current context to display appropriate messages.
        final zulipLocalizations = ZulipLocalizations.of(context);

        // Call the function to add or remove the reaction based on the user's current state.
        doAddOrRemoveReaction(
          context: context,
          doRemoveReaction: isSelfVoted,
          messageId: message.id,
          emoji: thumbsUpEmoji,
          errorDialogTitle: isSelfVoted
            ? zulipLocalizations.errorReactionRemovingFailedTitle
            : zulipLocalizations.errorReactionAddingFailedTitle);
      },