private void WatchThread(CancellationToken token)
{
for (; ;)
{
var chatThreadViewModels = new List <ChatThreadViewModel>();
try
{
App.Current.Dispatcher.Invoke(() =>
{
if (token.IsCancellationRequested)
{
return;
}
var chatCategoryViewModels = new List <ChatCategoryViewModel>();
chatCategoryViewModels.Add(this.TabViewModel.Value);
for (int i = 0; i < chatCategoryViewModels.Count; i++)
{
chatCategoryViewModels.AddRange(chatCategoryViewModels[i].Categories);
chatThreadViewModels.AddRange(chatCategoryViewModels[i].Threads);
}
}, DispatcherPriority.Background, token);
}
catch (OperationCanceledException)
{
return;
}
var trustSignatures = new HashSet <Signature>(_messageManager.TrustSignatures);
foreach (var chatThreadViewModel in chatThreadViewModels)
{
if (token.IsCancellationRequested)
{
return;
}
var newMessages = new HashSet <MulticastCommentMessage>(_amoebaInterfaceManager.GetMulticastCommentMessages(chatThreadViewModel.Model.Tag, CancellationToken.None).Result);
lock (chatThreadViewModel.Model.Messages.LockObject)
{
newMessages.ExceptWith(chatThreadViewModel.Model.Messages.Select(n => n.Message));
var messageInfos = new List <ChatMessageInfo>();
messageInfos.AddRange(chatThreadViewModel.Model.Messages);
foreach (var message in newMessages)
{
messageInfos.Add(new ChatMessageInfo()
{
Message = message, State = ChatMessageState.New
});
}
messageInfos.Sort((x, y) => y.Message.CreationTime.CompareTo(x.Message.CreationTime));
chatThreadViewModel.Model.Messages.Clear();
foreach (var info in messageInfos.ToArray())
{
if (chatThreadViewModel.Model.IsTrustMessageOnly && !trustSignatures.Contains(info.Message.AuthorSignature))
{
continue;
}
if (!trustSignatures.Contains(info.Message.AuthorSignature))
{
if (info.Message.Cost.CashAlgorithm != CashAlgorithm.Version1)
{
continue;
}
if (info.Message.Cost.Value < this.SelectedMiningLimit.Value)
{
continue;
}
}
chatThreadViewModel.Model.Messages.Add(info);
if (chatThreadViewModel.Model.Messages.Count >= 1024)
{
break;
}
}
}
try
{
App.Current.Dispatcher.Invoke(() =>
{
if (token.IsCancellationRequested)
{
return;
}
int newCount = chatThreadViewModel.Model.Messages.Count(n => n.State.HasFlag(ChatMessageState.New));
chatThreadViewModel.Model.IsUpdated = (newCount > 0);
chatThreadViewModel.Count.Value = newCount;
}, DispatcherPriority.Background, token);
}
catch (OperationCanceledException)
{
return;
}
}
if (token.WaitHandle.WaitOne(1000 * 30))
{
return;
}
}
}