piuk.blockchain.android.ui.SecondPasswordFragment.java Source code

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Here is the source code for piuk.blockchain.android.ui.SecondPasswordFragment.java

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/*
 * Copyright 2011-2012 the original author or authors.
 *
 * 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 piuk.blockchain.android.ui;

import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import piuk.blockchain.android.R;
import piuk.blockchain.android.WalletApplication;

/**
 * @author Andreas Schildbach
 */
public final class SecondPasswordFragment extends DialogFragment {
    private static final String FRAGMENT_TAG = SecondPasswordFragment.class.getName();
    private SuccessCallback callback = null;

    public interface SuccessCallback {
        public void onSuccess();

        public void onFail();
    }

    public static DialogFragment show(final FragmentManager fm, SuccessCallback callback) {
        final DialogFragment prev = (DialogFragment) fm.findFragmentById(R.layout.second_password_dialog);

        final FragmentTransaction ft = fm.beginTransaction();

        if (prev != null) {
            prev.dismiss();
            ft.remove(prev);
        }

        ft.addToBackStack(null);

        final SecondPasswordFragment newFragment = instance();

        newFragment.show(ft, FRAGMENT_TAG);

        newFragment.callback = callback;

        return newFragment;
    }

    private static SecondPasswordFragment instance() {
        final SecondPasswordFragment fragment = new SecondPasswordFragment();

        return fragment;
    }

    @Override
    public void onCancel(DialogInterface dialog) {
        callback.onFail();
    }

    @Override
    public Dialog onCreateDialog(final Bundle savedInstanceState) {
        final FragmentActivity activity = getActivity();
        final LayoutInflater inflater = LayoutInflater.from(activity);

        final Builder dialog = new AlertDialog.Builder(activity).setTitle(R.string.second_password_title);

        final View view = inflater.inflate(R.layout.second_password_dialog, null);

        dialog.setView(view);

        final TextView passwordField = (TextView) view.findViewById(R.id.second_password);
        final Button continueButton = (Button) view.findViewById(R.id.second_password_continue);

        final WalletApplication application = (WalletApplication) getActivity().getApplication();

        continueButton.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {

                try {
                    if (passwordField.getText() == null)
                        return;

                    String secondPassword = passwordField.getText().toString();

                    if (application.getRemoteWallet().validateSecondPassword(secondPassword)) {
                        application.getRemoteWallet().setTemporySecondPassword(secondPassword);

                        Toast.makeText(getActivity().getApplication(), R.string.second_password_correct,
                                Toast.LENGTH_SHORT).show();

                        dismiss();

                        callback.onSuccess();
                    } else {
                        Toast.makeText(getActivity().getApplication(), R.string.second_password_incorrect,
                                Toast.LENGTH_SHORT).show();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });

        return dialog.create();
    }
}