fluffychat/lib/pages/chat_list/spaces_bottom_bar.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

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

import 'package:fluffychat/pages/chat_list/chat_list.dart';
import 'package:fluffychat/widgets/avatar.dart';
import 'package:fluffychat/widgets/matrix.dart';

class SpacesBottomBar extends StatelessWidget {
  final ChatListController controller;
  const SpacesBottomBar(this.controller, {Key key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final currentIndex = controller.activeSpaceId == null
        ? 0
        : controller.spaces
                .indexWhere((space) => controller.activeSpaceId == space.id) +
            1;
    return Material(
      color: Theme.of(context).appBarTheme.backgroundColor,
      elevation: 6,
      child: SafeArea(
        child: StreamBuilder<Object>(
            stream: Matrix.of(context).client.onSync.stream.where((sync) =>
                (sync.rooms?.join?.values?.any((r) =>
                        r.state?.any((s) => s.type.startsWith('m.space'))) ??
                    false) ||
                (sync.rooms?.leave?.isNotEmpty ?? false)),
            builder: (context, snapshot) {
              return Container(
                height: 56,
                alignment: Alignment.center,
                child: SingleChildScrollView(
                  scrollDirection: Axis.horizontal,
                  child: SalomonBottomBar(
                    itemPadding: const EdgeInsets.all(8),
                    currentIndex: currentIndex,
                    onTap: (i) => controller.setActiveSpaceId(
                      context,
                      i == 0 ? null : controller.spaces[i - 1].id,
                    ),
                    selectedItemColor: Theme.of(context).colorScheme.primary,
                    items: [
                      SalomonBottomBarItem(
                        icon: const Icon(CupertinoIcons.chat_bubble_2),
                        activeIcon:
                            const Icon(CupertinoIcons.chat_bubble_2_fill),
                        title: Text(L10n.of(context).allChats),
                      ),
                      ...controller.spaces
                          .map((space) => SalomonBottomBarItem(
                                icon: InkWell(
                                  borderRadius: BorderRadius.circular(28),
                                  onTap: () => controller.setActiveSpaceId(
                                    context,
                                    space.id,
                                  ),
                                  onLongPress: () =>
                                      controller.editSpace(context, space.id),
                                  child: Avatar(
                                    mxContent: space.avatar,
                                    name: space.displayname,
                                    size: 24,
                                    fontSize: 12,
                                  ),
                                ),
                                title: Text(space.displayname),
                              ))
                          .toList(),
                    ],
                  ),
                ),
              );
            }),
      ),
    );
  }
}