do some performance optimizations on jid host suggestions. fixes #3174

This commit is contained in:
Daniel Gultsch 2018-09-14 14:00:26 +02:00
parent e0266d0efb
commit 63f203c1d1
1 changed files with 57 additions and 63 deletions

View File

@ -7,7 +7,6 @@ import android.widget.Filter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Locale;
public class KnownHostsAdapter extends ArrayAdapter<String> {
@ -16,22 +15,22 @@ public class KnownHostsAdapter extends ArrayAdapter<String> {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
if (constraint != null) {
ArrayList<String> suggestions = new ArrayList<>();
final String[] split = constraint.toString().split("@");
final ArrayList<String> suggestions = new ArrayList<>();
final String[] split = constraint == null ? new String[0] : constraint.toString().split("@");
if (split.length == 1) {
final String local = split[0].toLowerCase(Locale.ENGLISH);
for (String domain : domains) {
suggestions.add(split[0].toLowerCase(Locale
.getDefault()) + "@" + domain);
suggestions.add(local + "@" + domain);
}
} else if (split.length == 2) {
final String localPart = split[0].toLowerCase(Locale.ENGLISH);
final String domainPart = split[1].toLowerCase(Locale.ENGLISH);
if (domains.contains(domainPart)) {
return new FilterResults();
}
for (String domain : domains) {
if (domain.contentEquals(split[1])) {
suggestions.clear();
break;
} else if (domain.contains(split[1])) {
suggestions.add(split[0].toLowerCase(Locale
.getDefault()) + "@" + domain);
if (domain.contains(domainPart)) {
suggestions.add(localPart + "@" + domain);
}
}
} else {
@ -41,9 +40,6 @@ public class KnownHostsAdapter extends ArrayAdapter<String> {
filterResults.values = suggestions;
filterResults.count = suggestions.size();
return filterResults;
} else {
return new FilterResults();
}
}
@Override
@ -51,9 +47,7 @@ public class KnownHostsAdapter extends ArrayAdapter<String> {
ArrayList filteredList = (ArrayList) results.values;
if (results.count > 0) {
clear();
for (Object c : filteredList) {
add((String) c);
}
addAll(filteredList);
notifyDataSetChanged();
}
}