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

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Here is the source code for piuk.blockchain.android.ui.WelcomeFragment.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 java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;

import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.content.Intent;
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 piuk.blockchain.android.R;
import piuk.blockchain.android.WalletApplication;

/**
 * @author Andreas Schildbach
 */
public final class WelcomeFragment extends DialogFragment {
    private static List<WeakReference<WelcomeFragment>> fragmentRefs = new ArrayList<WeakReference<WelcomeFragment>>();
    private static final String FRAGMENT_TAG = WelcomeFragment.class.getName();

    public static void hide() {
        for (WeakReference<WelcomeFragment> fragmentRef : fragmentRefs) {
            if (fragmentRef != null && fragmentRef.get() != null) {
                try {
                    fragmentRef.get().dismissAllowingStateLoss();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }

    public static void show(final FragmentManager fm, WalletApplication application) {

        try {
            hide();

            final DialogFragment prev = (DialogFragment) fm.findFragmentById(R.layout.welcome_dialog);

            final FragmentTransaction ft = fm.beginTransaction();

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

            ft.addToBackStack(null);

            final DialogFragment newFragment = instance();

            newFragment.show(ft, FRAGMENT_TAG);

            if (application.getRemoteWallet().isNew()) {
                newFragment.setCancelable(false);
            } else {
                newFragment.setCancelable(!application.hasDecryptionError);
            }

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

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

        fragmentRefs.add(new WeakReference<WelcomeFragment>(fragment));

        return fragment;
    }

    @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.welcome_title);

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

        dialog.setView(view);

        final Button pairDeviceButton = (Button) view.findViewById(R.id.pair_device_button);
        final Button newAccountButton = (Button) view.findViewById(R.id.new_account_button);
        final TextView welcomeText = (TextView) view.findViewById(R.id.welcome_text);

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

        if (application.getRemoteWallet().isNew()) {
            welcomeText.setText(R.string.welcome_text_no_account);

            System.out.println("application.getRemoteWallet().isNew() " + application.getRemoteWallet().isNew());

            dialog.setCancelable(false);
        } else {
            System.out.println("application.hasDecryptionError " + application.hasDecryptionError);

            dialog.setCancelable(!application.hasDecryptionError);

            welcomeText.setText(R.string.welcome_text_has_account);
        }

        pairDeviceButton.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                try {
                    dismiss();

                    System.out.println("Start activity");

                    startActivity(new Intent(getActivity(), PairWalletActivity.class));
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });

        if (application.getRemoteWallet().isNew()) {

            newAccountButton.setVisibility(View.VISIBLE);

            newAccountButton.setOnClickListener(new OnClickListener() {
                public void onClick(View v) {
                    try {
                        dismiss();

                        NewAccountFragment.show(getFragmentManager(), application);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            });
        } else {
            newAccountButton.setVisibility(View.GONE);
        }

        return dialog.create();
    }
}