//Handles messages from messaging service after GetMoreHistory() is called
public void MessageRecieverLimited(MessagingTask task)
{
if (task.Conversation.Id != viewModel.Conversation.Id)
{
return;
}
Console.WriteLine("Starting adding");
var topMessage = Items.Count >= 2 ? Items[1] : Items.FirstOrDefault();
Console.WriteLine(topMessage == null);
var messages = task.Messages;
if (messages.Count == 0 || messages[0].Conversation != viewModel.Conversation.Id)
{
gotAllHistory = true;
return;
}
var users = task.Users;
users[LocalUserManager.LocalUser.Username] = LocalUserManager.LocalUser;
updatingItems = true;
ParseMessage(messages, users, true);
updatingItems = false;
if (topMessage != null && !lastVisible)
{
MessageListView.ScrollTo(topMessage, ScrollToPosition.MakeVisible, false);
}
else
{
MessageListView.ScrollTo(Items.LastOrDefault(), ScrollToPosition.End, false);
}
Console.WriteLine("Stopping adding");
}
//Handles messages from messaging service
public void MessageReciever(MessagingTask task)
{
var messages = task.MessagesDict;
var users = task.Users;
users[LocalUserManager.LocalUser.Username] = LocalUserManager.LocalUser;
if (messages.ContainsKey(viewModel.Conversation.Id))
{
ParseMessage(messages[viewModel.Conversation.Id], users);
}
}
private void GetMoreHistory()
{
//Gauti daugiau jau turimų pranešimų
var task = new MessagingTask();
task.GetCount = 20;
task.Message = (Items.Count == 0 ? null : Items.First().MessageObject);
task.Conversation = viewModel.Conversation;
try
{
Device.BeginInvokeOnMainThread(() =>
{
MessagingCenter.Send(task, MessagingTask.GetMessagesLimited);
});
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
/// <summary>
/// stop rendering thread
/// </summary>
public void Dispose()
{
messagingTask.Dispose();
messagingTask = null;
}