fluffychat/lib/pages/chat/encryption_button.dart

import 'package:flutter/material.dart';

import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:matrix/matrix.dart';
import 'package:vrouter/vrouter.dart';

import '../../widgets/matrix.dart';

class EncryptionButton extends StatelessWidget {
  final Room room;
  const EncryptionButton(this.room, {Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return StreamBuilder<SyncUpdate>(
        stream: Matrix.of(context)
            .client
            .onSync
            .stream
            .where((s) => s.deviceLists != null),
        builder: (context, snapshot) {
          return FutureBuilder<EncryptionHealthState>(
              future: room.calcEncryptionHealthState(),
              builder: (BuildContext context, snapshot) => IconButton(
                    tooltip: room.encrypted
                        ? L10n.of(context)!.encrypted
                        : L10n.of(context)!.encryptionNotEnabled,
                    icon: Icon(
                        room.encrypted
                            ? Icons.lock_outlined
                            : Icons.lock_open_outlined,
                        size: 20,
                        color: room.joinRules != JoinRules.public &&
                                !room.encrypted
                            ? Colors.red
                            : snapshot.data ==
                                    EncryptionHealthState.unverifiedDevices
                                ? Colors.orange
                                : null),
                    onPressed: () => VRouter.of(context)
                        .toSegments(['rooms', room.id, 'encryption']),
                  ));
        });
  }
}