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package com.wireguard.android;
import android.content.res.Resources;
import android.os.Bundle;
import android.util.Log;
import android.view.ActionMode;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.ListView;
import com.wireguard.android.databinding.ConfigListFragmentBinding;
import com.wireguard.config.Config;
import java.util.LinkedList;
import java.util.List;
/**
* Fragment containing the list of known WireGuard configurations.
*/
public class ConfigListFragment extends BaseConfigFragment {
private ListView listView;
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
}
@Override
public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
inflater.inflate(R.menu.config_list, menu);
}
@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup parent,
final Bundle savedInstanceState) {
final ConfigListFragmentBinding binding =
ConfigListFragmentBinding.inflate(inflater, parent, false);
binding.setConfigs(VpnService.getInstance().getConfigs());
listView = binding.configList;
listView.setMultiChoiceModeListener(new ConfigListModeListener());
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(final AdapterView<?> parent, final View view,
final int position, final long id) {
final Config config = (Config) parent.getItemAtPosition(position);
setCurrentConfig(config);
}
});
listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(final AdapterView<?> parent, final View view,
final int position, final long id) {
setConfigChecked(null);
listView.setChoiceMode(AbsListView.CHOICE_MODE_MULTIPLE_MODAL);
listView.setItemChecked(position, true);
return true;
}
});
binding.executePendingBindings();
setConfigChecked(getCurrentConfig());
return binding.getRoot();
}
@Override
protected void onCurrentConfigChanged(final Config config) {
Log.d(getClass().getSimpleName(), "onCurrentConfigChanged config=" +
(config != null ? config.getName() : null));
final BaseConfigActivity activity = ((BaseConfigActivity) getActivity());
if (activity != null)
activity.setCurrentConfig(config);
if (listView != null)
setConfigChecked(config);
}
@Override
public void onDestroyView() {
super.onDestroyView();
listView = null;
}
private void setConfigChecked(final Config config) {
if (config != null) {
@SuppressWarnings("unchecked")
final ObservableMapAdapter<String, Config> adapter =
(ObservableMapAdapter<String, Config>) listView.getAdapter();
final int position = adapter.getItemPosition(config.getName());
if (position >= 0)
listView.setItemChecked(position, true);
} else {
final int position = listView.getCheckedItemPosition();
if (position >= 0)
listView.setItemChecked(position, false);
}
}
private class ConfigListModeListener implements AbsListView.MultiChoiceModeListener {
private final List<Config> configsToRemove = new LinkedList<>();
@Override
public boolean onActionItemClicked(final ActionMode mode, final MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_action_delete:
// Ensure an unmanaged config is never the current config.
if (configsToRemove.contains(getCurrentConfig()))
setCurrentConfig(null);
for (final Config config : configsToRemove)
VpnService.getInstance().remove(config.getName());
configsToRemove.clear();
mode.finish();
return true;
default:
return false;
}
}
@Override
public void onItemCheckedStateChanged(final ActionMode mode, final int position,
final long id, final boolean checked) {
if (checked)
configsToRemove.add((Config) listView.getItemAtPosition(position));
else
configsToRemove.remove(listView.getItemAtPosition(position));
final int count = configsToRemove.size();
final Resources resources = listView.getContext().getResources();
mode.setTitle(resources.getQuantityString(R.plurals.list_delete_title, count, count));
}
@Override
public boolean onCreateActionMode(final ActionMode mode, final Menu menu) {
mode.getMenuInflater().inflate(R.menu.config_list_delete, menu);
return true;
}
@Override
public void onDestroyActionMode(final ActionMode mode) {
configsToRemove.clear();
listView.post(new Runnable() {
@Override
public void run() {
listView.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
// Restore the previous selection (before entering the action mode).
setConfigChecked(getCurrentConfig());
}
});
}
@Override
public boolean onPrepareActionMode(final ActionMode mode, final Menu menu) {
configsToRemove.clear();
return false;
}
}
}
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