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package com.wireguard.android;
import android.content.Context;
import android.os.Bundle;
import android.text.InputFilter;
import android.text.LoginFilter;
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.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.Toast;
import com.wireguard.android.databinding.ConfigEditFragmentBinding;
import com.wireguard.config.Config;
/**
* Fragment for editing a WireGuard configuration.
*/
public class ConfigEditFragment extends BaseConfigFragment {
private final Config localConfig = new Config();
@Override
protected void onCurrentConfigChanged(final Config config) {
localConfig.copyFrom(config);
}
@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_edit, menu);
}
@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup parent,
final Bundle savedInstanceState) {
final ConfigEditFragmentBinding binding =
ConfigEditFragmentBinding.inflate(inflater, parent, false);
final EditText configNameText = binding.getRoot().findViewById(R.id.config_name_text);
configNameText.setFilters(new InputFilter[]{
new InputFilter.LengthFilter(16),
new LoginFilter.UsernameFilterGeneric() {
@Override
public boolean isAllowed(final char c) {
return Character.isLetterOrDigit(c) || "_=+.-".indexOf(c) != -1;
}
}
});
final EditText privateKeyText = binding.getRoot().findViewById(R.id.private_key_text);
privateKeyText.setFilters(new InputFilter[]{new KeyInputFilter()});
binding.setConfig(localConfig);
return binding.getRoot();
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_action_save:
saveConfig();
return true;
default:
return false;
}
}
private void saveConfig() {
final String errorMessage = localConfig.validate();
if (errorMessage != null) {
Toast.makeText(getActivity(), errorMessage, Toast.LENGTH_SHORT).show();
return;
}
try {
if (getCurrentConfig() != null)
VpnService.getInstance().update(getCurrentConfig().getName(), localConfig);
else
VpnService.getInstance().add(localConfig);
} catch (final IllegalStateException e) {
Toast.makeText(getActivity(), e.getMessage(), Toast.LENGTH_SHORT).show();
return;
}
// Hide the keyboard; it rarely goes away on its own.
final BaseConfigActivity activity = (BaseConfigActivity) getActivity();
final View focusedView = activity.getCurrentFocus();
if (focusedView != null) {
final InputMethodManager inputManager =
(InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
inputManager.hideSoftInputFromWindow(focusedView.getWindowToken(),
InputMethodManager.HIDE_NOT_ALWAYS);
}
// Tell the activity to finish itself or go back to the detail view.
activity.setCurrentConfig(localConfig);
}
}
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