1package eu.siacs.conversations.ui.adapter;
 2
 3import android.databinding.DataBindingUtil;
 4import android.support.annotation.NonNull;
 5import android.support.v7.recyclerview.extensions.ListAdapter;
 6import android.support.v7.util.DiffUtil;
 7import android.support.v7.widget.RecyclerView;
 8import android.text.TextUtils;
 9import android.view.LayoutInflater;
10import android.view.View;
11import android.view.ViewGroup;
12
13import java.util.Locale;
14
15import eu.siacs.conversations.R;
16import eu.siacs.conversations.databinding.SearchResultItemBinding;
17import eu.siacs.conversations.http.services.MuclumbusService;
18import eu.siacs.conversations.ui.util.AvatarWorkerTask;
19
20public class ChannelSearchResultAdapter extends ListAdapter<MuclumbusService.Room, ChannelSearchResultAdapter.ViewHolder> {
21
22    private OnChannelSearchResultSelected listener;
23
24    private static final DiffUtil.ItemCallback<MuclumbusService.Room> DIFF = new DiffUtil.ItemCallback<MuclumbusService.Room>() {
25        @Override
26        public boolean areItemsTheSame(@NonNull MuclumbusService.Room a, @NonNull MuclumbusService.Room b) {
27            return a.address != null && a.address.equals(b.address);
28        }
29
30        @Override
31        public boolean areContentsTheSame(@NonNull MuclumbusService.Room a, @NonNull MuclumbusService.Room b) {
32            return a.equals(b);
33        }
34    };
35
36    public ChannelSearchResultAdapter() {
37        super(DIFF);
38    }
39
40    @NonNull
41    @Override
42    public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
43        return new ViewHolder(DataBindingUtil.inflate(LayoutInflater.from(viewGroup.getContext()), R.layout.search_result_item, viewGroup, false));
44    }
45
46    @Override
47    public void onBindViewHolder(@NonNull ViewHolder viewHolder, int position) {
48        final MuclumbusService.Room searchResult = getItem(position);
49        viewHolder.binding.name.setText(searchResult.getName());
50        final String description = searchResult.getDescription();
51        final String language = searchResult.getLanguage();
52        if (TextUtils.isEmpty(description)) {
53            viewHolder.binding.description.setVisibility(View.GONE);
54        } else {
55            viewHolder.binding.description.setText(description);
56            viewHolder.binding.description.setVisibility(View.VISIBLE);
57        }
58        if (language == null || language.length() != 2) {
59            viewHolder.binding.language.setVisibility(View.GONE);
60        } else {
61            viewHolder.binding.language.setText(language.toUpperCase(Locale.ENGLISH));
62            viewHolder.binding.language.setVisibility(View.VISIBLE);
63        }
64        viewHolder.binding.room.setText(searchResult.getRoom().asBareJid().toString());
65        AvatarWorkerTask.loadAvatar(searchResult, viewHolder.binding.avatar, R.dimen.avatar);
66        viewHolder.binding.getRoot().setOnClickListener(v -> listener.onChannelSearchResult(searchResult));
67    }
68
69    public void setOnChannelSearchResultSelectedListener(OnChannelSearchResultSelected listener) {
70        this.listener = listener;
71    }
72
73
74    public static class ViewHolder extends RecyclerView.ViewHolder {
75
76        private final SearchResultItemBinding binding;
77
78        private ViewHolder(SearchResultItemBinding binding) {
79            super(binding.getRoot());
80            this.binding = binding;
81        }
82    }
83
84    public interface OnChannelSearchResultSelected {
85        void onChannelSearchResult(MuclumbusService.Room result);
86    }
87}