com.liferay.alerts.activity.MainActivity.java Source code

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Here is the source code for com.liferay.alerts.activity.MainActivity.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.alerts.activity;

import android.app.Activity;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

import android.os.Bundle;

import android.support.v4.content.LocalBroadcastManager;

import android.view.View;

import android.widget.LinearLayout;
import android.widget.TextView;

import com.liferay.alerts.R;
import com.liferay.alerts.database.AlertDAO;
import com.liferay.alerts.model.Alert;
import com.liferay.alerts.task.GCMRegistrationAsyncTask;
import com.liferay.alerts.util.GCMUtil;
import com.liferay.alerts.util.NotificationUtil;
import com.liferay.alerts.util.SettingsUtil;
import com.liferay.alerts.widget.CardView;
import com.liferay.mobile.android.util.Validator;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Bruno Farache
 */
public class MainActivity extends Activity {

    public static final String ADD_CARD = "add-card";

    @Override
    protected void onCreate(Bundle state) {
        super.onCreate(state);

        setContentView(R.layout.main);

        _cardList = (LinearLayout) findViewById(R.id.card_list);
        _send = (TextView) findViewById(R.id.send);
        _userName = (TextView) findViewById(R.id.user_name);

        _send.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {
                Intent intent = new Intent(MainActivity.this, SendActivity.class);

                startActivity(intent);
            }

        });

        try {
            TextView version = (TextView) findViewById(R.id.version);
            PackageInfo info = getPackageManager().getPackageInfo(getPackageName(), 0);

            version.setText(info.versionName);
        } catch (PackageManager.NameNotFoundException nnfe) {
        }

        SettingsUtil.init(this);

        if (state != null) {
            _alerts = state.getParcelableArrayList(_ALERTS);
        } else {
            _alerts = AlertDAO.getInstance(this).getInstance(this).get();
        }

        for (Alert alert : _alerts) {
            _addCard(alert);
        }

        _addPushNotificationsDevice();
        _registerAddCardReceiver();
        _checkSendPermission();
    }

    @Override
    protected void onDestroy() {
        _getBroadcastManager().unregisterReceiver(_receiver);

        super.onDestroy();
    }

    @Override
    protected void onPause() {
        super.onPause();

        _paused = true;
    }

    @Override
    protected void onResume() {
        super.onResume();

        _paused = false;

        NotificationUtil.cancel(this);
    }

    @Override
    protected void onSaveInstanceState(Bundle state) {
        super.onSaveInstanceState(state);

        state.putParcelableArrayList(_ALERTS, _alerts);
    }

    private void _addCard(Alert alert) {
        _cardList.addView(new CardView(this, alert), 0);
        _userName.setText(alert.getUser(this).getFullName());
    }

    private void _addPushNotificationsDevice() {
        if (!SettingsUtil.isRegistered() && GCMUtil.isGooglePlayServicesAvailable(this)) {

            String token = SettingsUtil.getToken();

            if (token.isEmpty()) {
                GCMRegistrationAsyncTask task = new GCMRegistrationAsyncTask(this);

                task.execute();
            } else {
                GCMUtil.addPushNotificationsDevice(this, token);
            }
        }
    }

    private void _checkSendPermission() {
        String email = SettingsUtil.getEmail(this);
        String password = SettingsUtil.getPassword(this);

        if (Validator.isNull(email) || Validator.isNull(password)) {
            return;
        }

        _send.setVisibility(View.VISIBLE);
    }

    private LocalBroadcastManager _getBroadcastManager() {
        return LocalBroadcastManager.getInstance(this);
    }

    private void _registerAddCardReceiver() {
        _receiver = new BroadcastReceiver() {

            @Override
            public void onReceive(final Context context, Intent intent) {
                final Alert alert = intent.getParcelableExtra(Alert.ALERT);
                _alerts.add(alert);

                _addCard(alert);

                if (_paused) {
                    AlertDAO dao = AlertDAO.getInstance(context);
                    List<Alert> alerts = dao.getUnread();

                    NotificationUtil.notify(context, alerts);
                } else {
                    NotificationUtil.cancel(context);
                }
            }

        };

        _getBroadcastManager().registerReceiver(_receiver, new IntentFilter(ADD_CARD));
    }

    private static final String _ALERTS = "alerts";

    private ArrayList<Alert> _alerts;
    private LinearLayout _cardList;
    private boolean _paused;
    private BroadcastReceiver _receiver;
    private TextView _send;
    private TextView _userName;

}