private void SendContacts()
{
List <HidContactInfo> contactsToSend = new List <HidContactInfo>();
lock (lockCurrentContacts)
{
while (currentContacts.Count > 0)
{
HidContactInfo contactInfo = currentContacts.Dequeue();
HidContactInfo lastContact;
if (lastContactInfo.TryGetValue(contactInfo.Id, out lastContact))
{
if (contactInfo.State == HidContactState.Updated && lastContact.State == HidContactState.Removing)
{
continue;
}
}
lastContactInfo[contactInfo.Id] = contactInfo;
contactsToSend.Add(contactInfo);
}
}
contactsToSend.AddRange(lastContactInfo.Values.Except(contactsToSend, comparer).Where(c => c.State == HidContactState.Updated).ToList());
if (contactsToSend.Count > 0)
{
SendContacts(contactsToSend);
}
foreach (ushort id in lastContactInfo.Values.Where(c => c.State == HidContactState.Removed).Select(c => c.Id).ToList())
{
lastContactInfo.Remove(id);
}
foreach (HidContactInfo contactInfo in lastContactInfo.Values.Where(c => c.State == HidContactState.Removing).ToList())
{
Enqueue(new HidContactInfo(HidContactState.Removed, contactInfo.Contact));
}
foreach (HidContactInfo contactInfo in lastContactInfo.Values.Where(c => c.State == HidContactState.Adding).ToList())
{
Enqueue(new HidContactInfo(HidContactState.Updated, contactInfo.Contact));
}
}
