E2EEChat/lib/view/friend_request.dart

import 'package:e2ee_chat/azlistview/azlistview.dart';
import 'package:e2ee_chat/common/api.dart';
import 'package:e2ee_chat/common/global.dart';
import 'package:e2ee_chat/l10n/localization_intl.dart';
import 'package:e2ee_chat/model/contact_info.dart';
import 'package:e2ee_chat/model/message.dart';
import 'package:e2ee_chat/model/user.dart';
import 'package:e2ee_chat/presenter/contact_list.dart';
import 'package:e2ee_chat/presenter/chat_list.dart';
import 'package:e2ee_chat/presenter/friend_request.dart';
import 'package:e2ee_chat/presenter/login.dart';
import 'package:e2ee_chat/presenter/user_chat.dart';
import 'package:e2ee_chat/view/user_chat.dart';
import 'package:e2ee_chat/widgets/utils.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';


class FriendRequestListView extends StatefulWidget {
  @override
  _FriendRequestListViewState createState() => _FriendRequestListViewState();
}

class _FriendRequestListViewState extends State<FriendRequestListView> {
  final presenter = FriendRequestPresenter();
  String _choice = 'Nothing';

  @override
  void initState() {
    super.initState();
    presenter.flushFriendRequest().then((_) => setState(() {}));
  }

  @override
  Widget build(BuildContext context) {
    return ChangeNotifierProvider<FriendRequestPresenter>(
        create: (context) => presenter,
        child: Scaffold(
          appBar: AppBar(
            title: Text(GmLocalizations.of(context).friendRequest),
          ),
          body: Builder(
            builder: (context) {
              final provider = Provider.of<FriendRequestPresenter>(context);
              final requests = provider.requests;
              return RefreshIndicator(
                  child: AzListView(
                    data: requests,
                    itemCount: requests.length,
                    itemBuilder: (context, index) {
                      ContactInfo info = requests[index];
                      return Utils.getWeChatListItem(context, info, defHeaderBgColor: Color(0xFFE5E5E5), onTap: () async {
                        //TODO: 弹窗 接受 拒绝
                        await showDialog(
                          context: context,
                          barrierDismissible: false,//// user must tap button!
                          builder: (BuildContext context) {
                            return AlertDialog(
                              title: Text('Confirm'),
                              content: Text('Accept?'),
                              actions: <Widget>[
                                TextButton(
                                  child: Text('No'),
                                  onPressed: () {
                                    provider.refuseFriend(info.name);
                                    Navigator.pop(context);
                                  },
                                ),
                                TextButton(
                                  child: Text('Yes'),
                                  onPressed: () {
                                    provider.acceptFriend(info.name);
                                    Navigator.pop(context);
                                  },
                                ),
                              ],
                            );
                          },
                        );
                      });
                    },
                    physics: BouncingScrollPhysics(),
                    susItemBuilder: (BuildContext context, int index) {
                      ContactInfo model = requests[index];
                      debug('sus item build contact info: name ${model.name} tag ${model.getSuspensionTag()}');
                      if ('↑' == model.getSuspensionTag()) {
                        return Container();
                      }
                      return Utils.getSusItem(context, model.getSuspensionTag());
                    },
                    indexBarData: ['↑', '☆', ...kIndexBarData],
                    indexBarOptions: IndexBarOptions(
                      needRebuild: true,
                      ignoreDragCancel: true,
                      downTextStyle: TextStyle(fontSize: 12, color: Colors.white),
                      downItemDecoration: BoxDecoration(shape: BoxShape.circle, color: Colors.green),
                      indexHintWidth: 120 / 2,
                      indexHintHeight: 100 / 2,
                      indexHintDecoration: BoxDecoration(
                        image: DecorationImage(
                          image: AssetImage(Utils.getImgPath('ic_index_bar_bubble_gray')),
                          fit: BoxFit.contain,
                        ),
                      ),
                      indexHintAlignment: Alignment.centerRight,
                      indexHintChildAlignment: Alignment(-0.25, 0.0),
                      indexHintOffset: Offset(-20, 0),
                    ),
                  ),
                  onRefresh: () async {});
            },
          ),
        ));
  }
}