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/**
* Copyright (c) 2013 LEAP Encryption Access Project and contributers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package se.leap.leapclient;
import se.leap.leapclient.R;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
/**
* Implements the log in dialog, currently without progress dialog.
*
* It returns to the previous fragment when finished, and sends username and password to the authenticate method.
*
* It also notifies the user if the password is not valid.
*
* @author parmegv
*
*/
public class LogInDialog extends DialogFragment {
public AlertDialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
LayoutInflater inflater = getActivity().getLayoutInflater();
View log_in_dialog_view = inflater.inflate(R.layout.log_in_dialog, null);
final TextView user_message = (TextView)log_in_dialog_view.findViewById(R.id.user_message);
if(getArguments() != null && getArguments().containsKey(getResources().getString(R.string.user_message))) {
user_message.setText(getArguments().getString(getResources().getString(R.string.user_message)));
} else user_message.setVisibility(View.GONE);
final EditText username_field = (EditText)log_in_dialog_view.findViewById(R.id.username_entered);
if(getArguments() != null && getArguments().containsKey(getResources().getString(R.string.user_message))) {
String username = getArguments().getString(ConfigHelper.USERNAME_KEY);
username_field.setText(username);
username_field.setHint("");
}
final EditText password_field = (EditText)log_in_dialog_view.findViewById(R.id.password_entered);
if(!username_field.getText().toString().isEmpty() && password_field.isFocusable())
password_field.requestFocus();
builder.setView(log_in_dialog_view)
.setPositiveButton(R.string.login_button, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
String username = username_field.getText().toString().trim();
String password = password_field.getText().toString().trim();
interface_with_Dashboard.authenticate(username, password);
}
})
.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
return builder.create();
}
/**
* Interface used to communicate LogInDialog with Dashboard.
*
* @author parmegv
*
*/
public interface LogInDialogInterface {
/**
* Starts authentication process.
* @param username
* @param password
*/
public void authenticate(String username, String password);
}
LogInDialogInterface interface_with_Dashboard;
/**
* @return a new instance of this DialogFragment.
*/
public static DialogFragment newInstance() {
LogInDialog dialog_fragment = new LogInDialog();
return dialog_fragment;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
interface_with_Dashboard = (LogInDialogInterface) activity;
} catch (ClassCastException e) {
throw new ClassCastException(activity.toString()
+ " must implement LogInDialogListener");
}
}
}
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