public void OnNavigatedTo(NavigationContext navigationContext)
{
try
{
this.m_FriendsMainViewModel = navigationContext.Parameters[typeof(FriendsViewModel).GetHashCode().ToString()] as IFriendsMainViewModel;
this.m_FriendsMainViewModel.Friends.CollectionChanged -= Friends_CollectionChanged;
this.m_FriendsMainViewModel.Friends.CollectionChanged += Friends_CollectionChanged;
}
catch (ArgumentNullException argsNullException)
{
GlobalLogger.Log(argsNullException.Message);
}
catch (NullReferenceException nullRefException)
{
GlobalLogger.Log(nullRefException.Message);
}
catch (InvalidCastException invalidCastException)
{
GlobalLogger.Log(invalidCastException.Message);
}
}
public FriendsViewModel(ILoggerFacade logger, IRegionManager regionManager, IEventAggregator eventAggregator,
ICollectFriendsService collectFriendsService, IGetRoomInfoService getRoomInfoService, IFriendsMainViewModel friendsMainViewModel)
{
if (null == logger)
{
throw new ArgumentNullException("logger");
}
if (null == regionManager)
{
throw new ArgumentNullException("regionManager");
}
if (null == eventAggregator)
{
throw new ArgumentNullException("eventAggregator");
}
if (null == collectFriendsService)
{
throw new ArgumentNullException("collectFriendsService");
}
if (null == getRoomInfoService)
{
throw new ArgumentNullException("getRoomInfoService");
}
if (null == friendsMainViewModel)
{
throw new ArgumentNullException("friendsMainViewModel");
}
this.m_Logger = logger;
this.m_RegionManager = regionManager;
this.m_EventAggregator = eventAggregator;
this.m_CollectFriendsService = collectFriendsService;
this.m_GetRoomInfoService = getRoomInfoService;
this.FriendsMainViewModel = friendsMainViewModel;
this.NavigateToForwardCommand = new DelegateCommand(ExecuteNavigateToForwardCommand);
this.ItemDoubleClickedCommand = new DelegateCommand <Friend>(ExecuteItemDoubleClickedCommand);
Task.Run(() => m_CollectFriendsService.CollectFriends(AuthRepository.MQKeyInfo.UserSid, friendsMainViewModel.Friends));
}
