fluffychat/lib/pages/chat/chat_app_bar_title.dart

import 'package:flutter/material.dart';

import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:go_router/go_router.dart';

import 'package:fluffychat/config/themes.dart';
import 'package:fluffychat/pages/chat/chat.dart';
import 'package:fluffychat/utils/date_time_extension.dart';
import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
import 'package:fluffychat/widgets/avatar.dart';
import 'package:fluffychat/widgets/presence_builder.dart';

class ChatAppBarTitle extends StatelessWidget {
  final ChatController controller;
  const ChatAppBarTitle(this.controller, {super.key});

  @override
  Widget build(BuildContext context) {
    final room = controller.room;
    if (controller.selectedEvents.isNotEmpty) {
      return Text(controller.selectedEvents.length.toString());
    }
    return InkWell(
      hoverColor: Colors.transparent,
      splashColor: Colors.transparent,
      highlightColor: Colors.transparent,
      onTap: controller.isArchived
          ? null
          : () => FluffyThemes.isThreeColumnMode(context)
              ? controller.toggleDisplayChatDetailsColumn()
              : context.go('/rooms/${room.id}/details'),
      child: Row(
        children: [
          Hero(
            tag: 'content_banner',
            child: Avatar(
              mxContent: room.avatar,
              name: room.getLocalizedDisplayname(
                MatrixLocals(L10n.of(context)!),
              ),
              size: 32,
            ),
          ),
          const SizedBox(width: 12),
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  room.getLocalizedDisplayname(MatrixLocals(L10n.of(context)!)),
                  maxLines: 1,
                  overflow: TextOverflow.ellipsis,
                  style: const TextStyle(
                    fontSize: 16,
                  ),
                ),
                AnimatedSize(
                  duration: FluffyThemes.animationDuration,
                  child: PresenceBuilder(
                    userId: room.directChatMatrixID,
                    builder: (context, presence) {
                      final lastActiveTimestamp = presence?.lastActiveTimestamp;
                      final style = Theme.of(context).textTheme.bodySmall;
                      if (presence?.currentlyActive == true) {
                        return Text(
                          L10n.of(context)!.currentlyActive,
                          style: style,
                        );
                      }
                      if (lastActiveTimestamp != null) {
                        return Text(
                          L10n.of(context)!.lastActiveAgo(
                            lastActiveTimestamp.localizedTimeShort(context),
                          ),
                          style: style,
                        );
                      }
                      return const SizedBox.shrink();
                    },
                  ),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}