90 lines
3.1 KiB
Java
90 lines
3.1 KiB
Java
package eu.siacs.conversations.ui.adapter;
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import android.content.Context;
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import androidx.annotation.NonNull;
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import android.widget.ArrayAdapter;
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import android.widget.Filter;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Locale;
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import java.util.regex.Pattern;
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import eu.siacs.conversations.Config;
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public class KnownHostsAdapter extends ArrayAdapter<String> {
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private static Pattern E164_PATTERN = Pattern.compile("^\\+[1-9]\\d{1,14}$");
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private ArrayList<String> domains;
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private Filter domainFilter = new Filter() {
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@Override
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protected FilterResults performFiltering(CharSequence constraint) {
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final ArrayList<String> suggestions = new ArrayList<>();
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final String[] split = constraint == null ? new String[0] : constraint.toString().split("@");
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if (split.length == 1) {
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final String local = split[0].toLowerCase(Locale.ENGLISH);
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if (Config.QUICKSY_DOMAIN != null && E164_PATTERN.matcher(local).matches()) {
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suggestions.add(local + '@' + Config.QUICKSY_DOMAIN.toEscapedString());
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} else {
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for (String domain : domains) {
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suggestions.add(local + '@' + domain);
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}
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}
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} else if (split.length == 2) {
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final String localPart = split[0].toLowerCase(Locale.ENGLISH);
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final String domainPart = split[1].toLowerCase(Locale.ENGLISH);
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if (domains.contains(domainPart)) {
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return new FilterResults();
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}
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for (String domain : domains) {
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if (domain.contains(domainPart)) {
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suggestions.add(localPart + "@" + domain);
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}
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}
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} else {
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return new FilterResults();
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}
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FilterResults filterResults = new FilterResults();
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filterResults.values = suggestions;
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filterResults.count = suggestions.size();
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return filterResults;
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}
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@Override
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protected void publishResults(CharSequence constraint, FilterResults results) {
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ArrayList filteredList = (ArrayList) results.values;
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if (results.count > 0) {
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clear();
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addAll(filteredList);
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notifyDataSetChanged();
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}
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}
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};
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public KnownHostsAdapter(Context context, int viewResourceId, Collection<String> mKnownHosts) {
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super(context, viewResourceId, new ArrayList<>());
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domains = new ArrayList<>(mKnownHosts);
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Collections.sort(domains);
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}
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public KnownHostsAdapter(Context context, int viewResourceId) {
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super(context, viewResourceId, new ArrayList<>());
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domains = new ArrayList<>();
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}
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public void refresh(Collection<String> knownHosts) {
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domains = new ArrayList<>(knownHosts);
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Collections.sort(domains);
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notifyDataSetChanged();
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}
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@Override
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@NonNull
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public Filter getFilter() {
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return domainFilter;
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}
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}
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