public override Dialog OnCreateDialog(Bundle savedInstanceState)
{
base.OnCreateDialog(savedInstanceState);
AlertDialog.Builder builder = new AlertDialog.Builder(Activity)
.SetView(Resource.Layout.Dialog)
.SetPositiveButton(Resource.String.Join, (sender, e) => {
var roomName = Dialog.FindViewById <EditText>(Resource.Id.Userinput).Text;
ChatRoomContext context = Globals.CampfireChatClient.ChatRoomTable.GetOrCreate(IdentityHash.GetFlyweight(CryptoUtil.GetHash(CryptoUtil.GetHash(Encoding.UTF8.GetBytes(roomName)))));
context.FriendlyName = roomName;
Globals.CampfireNetClient.IdentityManager.AddMulticastKey(
IdentityHash.GetFlyweight(CryptoUtil.GetHash(CryptoUtil.GetHash(Encoding.UTF8.GetBytes(roomName)))),
CryptoUtil.GetHash(Encoding.UTF8.GetBytes(roomName)));
byte[] roomKey = CryptoUtil.GetHash(CryptoUtil.GetHash(Encoding.UTF8.GetBytes(roomName)));
Globals.JoinedRooms.Add(roomKey);
uiHandler.ObtainMessage(0, new ChatEntry(roomKey, context)).SendToTarget();
Dismiss();
})
.SetNegativeButton(Resource.String.Cancel, (sender, e) => {
Dismiss();
});
return(builder.Create());
}
private List <ChatEntry> GetKnownRooms()
{
var entries = new List <ChatEntry>();
foreach (var roomKey in Globals.JoinedRooms)
{
ChatRoomContext context = Globals.CampfireChatClient.ChatRoomTable.GetOrCreate(IdentityHash.GetFlyweight(roomKey));
entries.Add(new ChatEntry(roomKey, context));
}
return(entries);
}
public bool TryLookup(IdentityHash destination, out ChatRoomContext context)
{
return(descriptorsByRoomIdHash.TryGetValue(destination, out context));
}
public ChatEntry(byte[] id, ChatRoomContext context)
{
Id = id;
Context = context;
}
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 ChatRoomViewModel(ChatRoomContext context, List <ChatMessageDto> initialMessages, ChatMessageReceivedCallback messageReceivedCallback)
{
Context = context;
InitialMessages = initialMessages;
MessageReceivedCallback = messageReceivedCallback;
}