public ChatRoomViewModel CreateViewModelAndSubscribe(ChatMessageReceivedCallback messageReceivedCallback)
{
lock (synchronization) {
var previousMessages = messages.ToList().Select(kvp => kvp.Key).ToList();
var viewModel = new ChatRoomViewModel(this, previousMessages, messageReceivedCallback);
viewModels.AddOrThrow(viewModel);
return(viewModel);
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
// testMessages = new List<MessageEntry> {
// new MessageEntry("Name 1", "This is a test message 1"),
// new MessageEntry("Name 2", "This is a test message 2"),
// new MessageEntry("Name 3", "This is a test message 3"),
// new MessageEntry("Name 2", "This is a test message 4 really long message here one that is sure to overflow. How about some more text here and see if we can get it to three lines - or even more! How far can we go?"),
// new MessageEntry("Name 3", "This is a test message 5"),
// new MessageEntry("Name 1", "These are yet more messages designed to be long and take up space."),
// new MessageEntry("Name 2", "These are yet more messages designed to be long and take up space."),
// new MessageEntry("Name 3", "These are yet more messages designed to be long and take up space."),
// new MessageEntry("Name 1", "These are yet more messages designed to be long and take up space."),
// new MessageEntry("Name 2", "These are yet more messages designed to be long and take up space.")
// };
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.Chat);
var toolbar = FindViewById <Android.Widget.Toolbar>(Resource.Id.Toolbar);
SetActionBar(toolbar);
ActionBar.SetDisplayHomeAsUpEnabled(true);
chatRecyclerView = (RecyclerView)FindViewById(Resource.Id.Messages);
chatRecyclerView.HasFixedSize = true;
chatLayoutManager = new LinearLayoutManager(this);
chatRecyclerView.SetLayoutManager(chatLayoutManager);
chatAdapter = new ChatAdapter();
chatAdapter.ItemClick += OnItemClick;
chatRecyclerView.SetAdapter(chatAdapter);
var chatId = Intent.GetByteArrayExtra("chatId");
chatRoomContext = Globals.CampfireChatClient.ChatRoomTable.GetOrCreate(IdentityHash.GetFlyweight(chatId));
Title = chatRoomContext.FriendlyName;
viewModel = chatRoomContext.CreateViewModelAndSubscribe((sender, e) => {
Console.WriteLine(" ######## hitting add entry time");
var message = e.Message;
if (message.ContentType != ChatMessageContentType.Text)
{
throw new NotImplementedException();
}
chatAdapter.AddEntry(new MessageEntry(message, message.FriendlySenderName, Encoding.UTF8.GetString(message.ContentRaw)));
uiHandler.ObtainMessage(UPDATE_VIEW, -1, 0).SendToTarget();
});
foreach (var message in viewModel.InitialMessages)
{
chatAdapter.AddEntry(new MessageEntry(message, message.FriendlySenderName, Encoding.UTF8.GetString(message.ContentRaw)));
}
var sendButton = FindViewById <Button>(Resource.Id.SendMessage);
sendButton.Click += HandleSendButtonClicked;
uiHandler = new LambdaHandler(msg => {
if (msg.What == UPDATE_VIEW)
{
var index = msg.Arg1 == -1 ? chatAdapter.Entries.Count - 1 : msg.Arg1;
Console.WriteLine($"Updating item view at {index}");
// chatAdapter.NotifyItemChanged(index);
chatAdapter.NotifyDataSetChanged();
chatRecyclerView.GetLayoutManager().ScrollToPosition(chatAdapter.Entries.Count - 1);
}
});
}
public ChatMessageReceivedEventArgs(ChatRoomViewModel viewModel, ChatMessageDto message)
{
ViewModel = viewModel;
Message = message;
}
public static void SendMessageText(this ChatRoomViewModel viewModel, string s)
{
Console.WriteLine("Inside send message");
viewModel.Context.SendMessage(ChatMessageContentType.Text, Encoding.UTF8.GetBytes(s));
Console.WriteLine("Finishing send message");
}