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

@ -7,76 +7,70 @@ 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> {
private ArrayList<String> domains;
private Filter domainFilter = new Filter() {
private ArrayList<String> domains;
private Filter domainFilter = new Filter() {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
if (constraint != null) {
ArrayList<String> suggestions = new ArrayList<>();
final String[] split = constraint.toString().split("@");
if (split.length == 1) {
for (String domain : domains) {
suggestions.add(split[0].toLowerCase(Locale
.getDefault()) + "@" + domain);
}
} else if (split.length == 2) {
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);
}
}
} else {
return new FilterResults();
}
FilterResults filterResults = new FilterResults();
filterResults.values = suggestions;
filterResults.count = suggestions.size();
return filterResults;
} else {
return new FilterResults();
}
}
@Override
protected FilterResults performFiltering(CharSequence constraint) {
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(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.contains(domainPart)) {
suggestions.add(localPart + "@" + domain);
}
}
} else {
return new FilterResults();
}
FilterResults filterResults = new FilterResults();
filterResults.values = suggestions;
filterResults.count = suggestions.size();
return filterResults;
}
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
ArrayList filteredList = (ArrayList) results.values;
if (results.count > 0) {
clear();
for (Object c : filteredList) {
add((String) c);
}
notifyDataSetChanged();
}
}
};
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
ArrayList filteredList = (ArrayList) results.values;
if (results.count > 0) {
clear();
addAll(filteredList);
notifyDataSetChanged();
}
}
};
public KnownHostsAdapter(Context context, int viewResourceId, Collection<String> mKnownHosts) {
super(context, viewResourceId, new ArrayList<>());
domains = new ArrayList<>(mKnownHosts);
}
public KnownHostsAdapter(Context context, int viewResourceId, Collection<String> mKnownHosts) {
super(context, viewResourceId, new ArrayList<>());
domains = new ArrayList<>(mKnownHosts);
}
public KnownHostsAdapter(Context context, int viewResourceId) {
super(context, viewResourceId, new ArrayList<>());
domains = new ArrayList<>();
}
public KnownHostsAdapter(Context context, int viewResourceId) {
super(context, viewResourceId, new ArrayList<>());
domains = new ArrayList<>();
}
public void refresh(Collection<String> knownHosts) {
domains = new ArrayList<>(knownHosts);
notifyDataSetChanged();
}
public void refresh(Collection<String> knownHosts) {
domains = new ArrayList<>(knownHosts);
notifyDataSetChanged();
}
@Override
@NonNull
public Filter getFilter() {
return domainFilter;
}
@Override
@NonNull
public Filter getFilter() {
return domainFilter;
}
}