/// <summary>
/// 首页的视图模型
/// </summary>
public IndexViewModel()
{
chatClient = new ChatServiceClient(new InstanceContext(this));
chatClient.RegisterAndGetFriendListCompleted += WriteFriendList;
chatClient.ChangeTargetUserCompleted += WriteNewMessages;
chatClient.GetMessagesCompleted += WriteOldMessages;
chatClient.RegisterAndGetFriendListAsync(Username, true);
Users = new ObservableCollection<UserInfoModel>();
Messages = new ObservableCollection<MessageResult>();
LogoutCommand = new UniversalCommand(new Action<object>(Logout));
OpenTalkingWindowCommand = new UniversalCommand(new Action<object>(OpenTalkingWindow));
ChooseWhatDoingCommand = new UniversalCommand(new Action<object>(ChooseWhatDoing));
SendMessageCommand = new UniversalCommand(new Action<object>(SendNewMessage));
ShowChooseIconWindowCommand = new UniversalCommand(new Action<object>(ShowChooseIconWindow));
ShowUploadPicWindowCommand = new UniversalCommand(new Action<object>(ShowUploadPicWindow));
KeepHeartbeat();
}
/// <summary>
/// 初始化
/// </summary>
private void Initialize()
{
CustomerServiceList = new ObservableCollection<UserInfo>();
CustomerServiceList.CollectionChanged += (d, e) => { OnPropertyChanged(this, "CustomerServiceList"); };
SuperiorList = new ObservableCollection<UserInfo>();
SuperiorList.CollectionChanged += (d, e) => { OnPropertyChanged(this, "SuperiorList"); };
LowerList = new ObservableCollection<UserInfo>();
LowerList.CollectionChanged += (d, e) => { OnPropertyChanged(this, "LowerList"); };
ChatingWithList = new ObservableCollection<UserInfo>();
CurrentMessages = new ObservableCollection<MessageResult>();
currentUserOnlineState = UserOnlineStatus.在线;
chatWindowIsOpen = false;
friendListWindowIsOpen = false;
newMessageCount = 0;
customerServiceListIsOpen = false;
superiorListIsOpen = false;
lowerListIsOpen = false;
waitSendContent = "";
chatingWith = "";
SendMessageCommand = new BaseCommand(SendMessage);
AddExpressionCommand = new BaseCommand(AddExpression);
CloseCurrentChatCommand = new BaseCommand(CloseCurrentChat);
AddScreenShotCommand = new BaseCommand(AddScreenShot);
Command = new BaseCommand(BeginChatToSomeone);
SwitchChatingWithCommand = new BaseCommand(SwitchChatingWith);
TimeToReflashCustomerServiceList = false;
TimeToReflash2CustomerServiceList = false;
chatClient = new ChatServiceClient(new InstanceContext(this));
chatClient.RegisterAndGetFriendListCompleted += ChatClientRegisterAndGetFriendListCompleted;
chatClient.RegisterAndGetFriendListAsync(CurrentUser, false);
}