90 lines
3.4 KiB
Java
90 lines
3.4 KiB
Java
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package com.example.livestreaming;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.recyclerview.widget.DiffUtil;
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import androidx.recyclerview.widget.ListAdapter;
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import androidx.recyclerview.widget.RecyclerView;
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import com.example.livestreaming.databinding.ItemConversationBinding;
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public class ConversationsAdapter extends ListAdapter<ConversationItem, ConversationsAdapter.VH> {
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public interface OnConversationClickListener {
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void onConversationClick(ConversationItem item);
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}
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private final OnConversationClickListener onConversationClickListener;
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public ConversationsAdapter(OnConversationClickListener onConversationClickListener) {
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super(DIFF);
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this.onConversationClickListener = onConversationClickListener;
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}
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@NonNull
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@Override
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public VH onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
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ItemConversationBinding binding = ItemConversationBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
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return new VH(binding, onConversationClickListener);
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}
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@Override
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public void onBindViewHolder(@NonNull VH holder, int position) {
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holder.bind(getItem(position));
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}
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static class VH extends RecyclerView.ViewHolder {
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private final ItemConversationBinding binding;
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private final OnConversationClickListener onConversationClickListener;
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VH(ItemConversationBinding binding, OnConversationClickListener onConversationClickListener) {
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super(binding.getRoot());
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this.binding = binding;
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this.onConversationClickListener = onConversationClickListener;
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}
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void bind(ConversationItem item) {
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binding.title.setText(item != null && item.getTitle() != null ? item.getTitle() : "");
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binding.lastMessage.setText(item != null && item.getLastMessage() != null ? item.getLastMessage() : "");
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binding.timeText.setText(item != null && item.getTimeText() != null ? item.getTimeText() : "");
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int unread = item != null ? item.getUnreadCount() : 0;
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if (unread > 0) {
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binding.unreadBadge.setVisibility(View.VISIBLE);
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binding.unreadBadge.setText(unread > 99 ? "99+" : String.valueOf(unread));
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} else {
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binding.unreadBadge.setVisibility(View.GONE);
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}
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if (item != null && item.isMuted()) {
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binding.muteIcon.setVisibility(View.VISIBLE);
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} else {
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binding.muteIcon.setVisibility(View.GONE);
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}
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binding.getRoot().setOnClickListener(v -> {
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if (item == null) return;
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if (onConversationClickListener != null) onConversationClickListener.onConversationClick(item);
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});
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}
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}
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private static final DiffUtil.ItemCallback<ConversationItem> DIFF = new DiffUtil.ItemCallback<ConversationItem>() {
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@Override
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public boolean areItemsTheSame(@NonNull ConversationItem oldItem, @NonNull ConversationItem newItem) {
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String o = oldItem.getId();
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String n = newItem.getId();
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return o != null && o.equals(n);
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}
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@Override
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public boolean areContentsTheSame(@NonNull ConversationItem oldItem, @NonNull ConversationItem newItem) {
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return oldItem.equals(newItem);
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}
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};
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}
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