一个使用WPF开发的高仿微信网页版的应用程序WeChatClient

public class LoginModule : IModule    {        public void OnInitialized(IContainerProvider containerProvider)        {            var regionManager = containerProvider.Resolve<IRegionManager>();            var ea = containerProvider.Resolve<IEventAggregator>();            IRegion region = regionManager.Regions[WeChatClientConst.MainRegionName];            var qrView = containerProvider.Resolve<QRCodeView>();            region.Add(qrView);            var headView = containerProvider.Resolve<HeadView>();            region.Add(headView);            var errorView = containerProvider.Resolve<ErrorView>();            region.Add(errorView);            Task.Run(() =>            {                LoopLoginCheck(ea, region, qrView, headView, errorView);            });            ea.GetEvent<SwitchAccountEvent>().Subscribe(() =>            {                region.Activate(qrView);            });        }        public void RegisterTypes(IContainerRegistry containerRegistry)        {                    }        /// <summary>        /// 循环检测是否登录了        /// </summary>        private void LoopLoginCheck(IEventAggregator ea, IRegion region, QRCodeView qrView, HeadView headView, ErrorView errorView)        {            LoginService ls = new LoginService();            object login_result = null;            //循环判断手机扫描二维码结果            while (true)            {                login_result = ls.LoginCheck();                //已扫描 未登录                if (login_result is ImageSource)                {                    ea.GetEvent<UpdateHeadImageEvent>().Publish(login_result as ImageSource);                    Application.Current.Dispatcher.BeginInvoke(new Action(() =>                    {                        region.Activate(headView);                    }));                 }                //已完成登录                if (login_result is string)                {                    //访问登录跳转URL                    if (ls.GetSidUid(login_result as string, out string errorMsg))                    {                        Application.Current.Dispatcher.BeginInvoke(new Action(() =>                        {                            region.RemoveAll();                            ea.GetEvent<LoginSuccessfulEvent>().Publish();                        }));                        break;                    }                    else                    {                        ea.GetEvent<ShowErrorMsgEvent>().Publish(errorMsg);                        Application.Current.Dispatcher.BeginInvoke(new Action(() =>                        {                            region.Activate(errorView);                        }));                        break;                    }                }                ////超时                if (login_result is int)                {                    ea.GetEvent<UpdateQRCodeEvent>().Publish();                }            }        }    }

[ExposeServices(ServiceLifetime.Singleton, typeof(IChatListManager))]   //注册为IChatListManager接口（单例）    public class ChatListViewModel : ReactiveObject, IChatListManager, INavigationAware    {        public ObservableCollection<WeChatUser> ChatList { get; private set; } = new ObservableCollection<WeChatUser>();        private WeChatUser _selectedItem;        //[Reactive]        public WeChatUser SelectedItem        {            get { return _selectedItem; }            set            {                this.RaiseAndSetIfChanged(ref _selectedItem, value);                if (_selectedItem != null)                    _selectedItem.UnReadCount = 0;            }        }        public ICommand CloseChatCommand { get; }        [Dependency]        protected IImageDownloadService ChatImageDownloadService { get; set; }        [Dependency]        protected IImageDownloadService MessageImageDownloadService { get; set; }        [Dependency]        protected IContactListManager ContactListManager { get; set; }        //[Dependency]        //protected Lazy<IMainManager> MainManager { get; set; }        public ChatListViewModel(IChatContentManager chatContentManager)        {            CloseChatCommand = ReactiveCommand.Create<WeChatUser>(CloseChat);            this.WhenAnyValue(p => p.SelectedItem).Subscribe(p => chatContentManager.SelectedChat = p);        }        private void CloseChat(WeChatUser chat)        {            ChatList.Remove(chat);        }        public void AddChat(params WeChatUser[] chat)        {            foreach (var item in chat)            {                if (ChatList.Any(p => p.UserName == item.UserName))                    continue;                ChatList.Add(item);                ChatImageDownloadService.Add(item);            }                  }        public void ModChat(params WeChatUser[] chat)        {            var selected = SelectedItem;            foreach (var item in chat)            {                var local = ChatList.FirstOrDefault(p => p.UserName == item.UserName);                if (local != null)                {                    if (SelectedItem == local)                        selected = item;                    item.MessageList.AddRange(local.MessageList);  //将本地聊天的信息拷贝过来                    item.UnReadCount = local.UnReadCount;                    ChatList.Remove(local);                }                ChatList.Insert(0, item);  //将修改后的聊天放在首位                ChatImageDownloadService.Add(item);            }            SelectedItem = selected;        }        /// <summary>        /// 是否包含        /// </summary>        /// <param name="userName"></param>        /// <returns></returns>        public bool Contains(string userName)        {            return ChatList.Any(p => p.UserName == userName);        }        public void SyncMessage(params WeChatMessage[] messages)        {            var selected = SelectedItem;            foreach (var msg in messages)            {                if (msg.IsLoadMoreChats)                    continue;                string chatUserName = msg.IsReceive ? msg.FromUserName : msg.ToUserName;                var chat = ChatList.FirstOrDefault(p => p.UserName == chatUserName);                if (chat != null)                {                    //消息在当前聊天列表中产生                    ChatList.Move(ChatList.IndexOf(chat), 0);                }                else                {                    //当前列表没有找到                    chat = ContactListManager.FindContact(chatUserName);                    if (chat == null)                        continue;                    ChatList.Insert(0, chat);                    ChatImageDownloadService.Add(chat);                }                if (msg.MsgType != 51)  //51类型消息不插入消息列表                {                    chat.LastMessage = msg.Content?.Trim();                    chat.LastShortTime = msg.ShortTime;                    msg.IsRoom = chat.IsRoomContact();                    if (msg.MsgType != 10000)  //如果不是系统消息                    {                        if (msg.IsReceive)  //只有收到消息需要显示名称                        {                            //是收到消息                            if (msg.IsRoom)                            {                                //如果是群消息，且不是邀请人进群的消息                                var member = chat.MemberList.FirstOrDefault(p => msg.Content.StartsWith(p.UserName));                                if (member == null)                                    continue;                                msg.Content = msg.Content.Replace(member.UserName + ":<br/>", "");                                chat.LastMessage = member.ShowName + ":" + msg.Content;                                msg.FromUserName = member.UserName;                                msg.FromUserShowName = member.ShowName;                            }                            else                            {                                //不是群消息则显示对方显示名称                                msg.FromUserShowName = chat.ShowName;                            }                            chat.UnReadCount++;                        }                        //处理消息头像                        msg.Uri = msg.FromUserName.GetIconUrl();                        MessageImageDownloadService.Add(msg);                        var last = chat.MessageList.Where(p => p.ShowShortTime).LastOrDefault();                        if (last == null || (msg.CreateDateTime - last.CreateDateTime).Minutes > 3)  //如果新消息之前的消息不存在或者不在三分钟内，则显示时间                        {                            msg.ShowShortTime = true;                        }                    }                    chat.MessageList.Add(msg);                }            }            SelectedItem = selected;        }        public void UpdateInitGroupMember(params WeChatUser[] groupChats)        {            foreach (var item in groupChats)            {                var chat = ChatList.FirstOrDefault(p => p.UserName == item.UserName);                if (chat == null) continue;                chat.MemberList = item.MemberList;            }        }        public void DelChat(params string[] userNames)        {            foreach (var item in userNames)            {                var user = ChatList.FirstOrDefault(p => p.UserName == item);                if (user != null)                {                    ChatList.Remove(user);                }            }        }        public void ChatWithContact(WeChatUser contact)        {            var chat = ChatList.FirstOrDefault(p => p.UserName == contact.UserName);            if(chat == null)            {                chat = contact;                ChatList.Insert(0, chat);            }            else            {                ChatList.Move(ChatList.IndexOf(chat), 0);            }            SelectedItem = chat;        }        public WeChatUser[] SearchRoomChat(string searchText)        {            return ChatList.Where(p => p.IsRoomContact()).Where(p => p.ShowName?.Contains(searchText) == true || p.ShowPinYin?.Contains(searchText) == true).ToArray();        }        #region INavigationAware        public void OnNavigatedTo(NavigationContext navigationContext)        {            navigationContext.NavigationService.Region.RegionManager.RequestNavigate(WeChatClientConst.ContentRegionName, "ChatContentView");        }        public bool IsNavigationTarget(NavigationContext navigationContext)        {            return true;        }        public void OnNavigatedFrom(NavigationContext navigationContext)        {                    }        #endregion    }