void _referencedObjectDisposed(object o, EventArgs a)
{
IDto dto = o as IDto;
if (dto == null)
{
return;
}
var delegatesToRemove = _delegates.Keys.Where(k => k.Item1 == dto.DtoGuid);
foreach (var dk in delegatesToRemove)
{
Delegate delegateToRemove;
if (_delegates.TryRemove(dk, out delegateToRemove))
{
EventInfo ei = dto.GetType().GetEvent(dk.Item2);
ei.RemoveEventHandler(dto, delegateToRemove);
Debug.WriteLine($"Server: Delegate {dk.Item2} on {dto} removed;");
}
}
WebSocketMessage message = new WebSocketMessage()
{
DtoGuid = dto.DtoGuid,
MessageType = WebSocketMessage.WebSocketMessageType.ObjectDisposed,
#if DEBUG
DtoName = dto.ToString(),
#endif
};
Send(_serialize(message));
Debug.WriteLine($"Server: ObjectDisposed notification on {dto} sent");
}
void _notifyClient(object o, EventArgs e, string eventName)
{
IDto dto = o as IDto;
if (dto == null)
{
return;
}
EventArgs eventArgs;
PropertyChangedEventArgs ea = e as PropertyChangedEventArgs;
if (ea != null && eventName == nameof(INotifyPropertyChanged.PropertyChanged))
{
PropertyInfo p = o.GetType().GetProperty(ea.PropertyName);
if (p?.CanRead == true)
{
eventArgs = new PropertyChangedWithValueEventArgs(ea.PropertyName, p.GetValue(o, null));
}
else
{
eventArgs = new PropertyChangedWithValueEventArgs(ea.PropertyName, null);
Debug.WriteLine(o, $"{GetType()}: Couldn't get value of {ea.PropertyName}");
}
}
else
{
eventArgs = e;
}
WebSocketMessage message = new WebSocketMessage()
{
DtoGuid = dto.DtoGuid,
Response = eventArgs,
MessageType = WebSocketMessage.WebSocketMessageType.EventNotification,
MemberName = eventName,
#if DEBUG
DtoName = dto.ToString(),
#endif
};
string s = _serialize(message);
Send(s);
//Debug.WriteLine($"Server: Notification {eventName} on {dto} sent:\n{s}");
}