GcmBroadcastReceiver.java

/*
 Swisscom Safe Connect
 Copyright (C) 2014 Swisscom

 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 com.swisscom.safeconnect.utils.gcm;

import android.app.Activity;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;
import android.util.Log;

import com.google.android.gms.gcm.GoogleCloudMessaging;
import com.swisscom.safeconnect.BuildConfig;
import com.swisscom.safeconnect.R;
import com.swisscom.safeconnect.activity.DashboardActivity;
import com.swisscom.safeconnect.utils.Config;

import org.json.JSONArray;

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

public class GcmBroadcastReceiver extends BroadcastReceiver {
    public static final int NOTIFICATION_ID = 1;
    private NotificationManager mNotificationManager;

    private Object[] convertJsonToStringArray(String json) {
        try {
            JSONArray j = new JSONArray(json);
            List<String> args = new ArrayList<String>();
            for (int i = 0; i < j.length(); i++) {
                args.add(j.getString(i));
            }
            return args.toArray();
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        setResultCode(Activity.RESULT_OK);
        Bundle extras = intent.getExtras();
        GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(context);
        String messageType = gcm.getMessageType(intent);

        if (!extras.isEmpty()) {
            if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) {
                if (BuildConfig.DEBUG) Log.d(Config.TAG, "Error receiving push notification: " + extras.toString());
            } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) {
                if (BuildConfig.DEBUG) Log.d(Config.TAG, "Deleted messages on server: " + extras.toString());
            } else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) {
                if (BuildConfig.DEBUG) Log.d(Config.TAG, "Received: " + extras.toString());

                String key = extras.getString("key");
                String args_json = extras.getString("args");

                if (key != null) {
                    int resId = context.getResources().getIdentifier(key, "string", context.getPackageName());

                    if (resId != 0) {
                        Object[] args = convertJsonToStringArray(args_json);
                        String title = context.getString(R.string.push_title);
                        String msg = context.getString(resId, args);
                        //String title = extras.getString("title");
                        //String msg = extras.getString("message");
                        sendNotification(title, msg, context);
                    }
                }
            }
        }
    }

    private void sendNotification(String title, String msg, Context ctx) {
        mNotificationManager = (NotificationManager)
                ctx.getSystemService(Context.NOTIFICATION_SERVICE);
        mNotificationManager.cancelAll();

        Intent intentSubscriptions = new Intent(ctx, DashboardActivity.class);
        intentSubscriptions.putExtra(DashboardActivity.KEY_OPEN_SUBSCRIPTIONS, true);

        // without FLAG_CANCEL_CURRENT the parameters don't arrive
        PendingIntent subscriptionsIntent = PendingIntent.getActivity(ctx, 0, intentSubscriptions, PendingIntent.FLAG_CANCEL_CURRENT);

        NotificationCompat.Builder mBuilder =
                new NotificationCompat.Builder(ctx)
                        //.setDefaults(Notification.DEFAULT_ALL) // with DEFAULT_ALL it requires VIBRATE permissions! (on HTC One S 4.1.1)
                        .setSmallIcon(R.drawable.ic_notif)
                        .setContentTitle(title)
                        .setStyle(new NotificationCompat.BigTextStyle().bigText(msg))
                        .setContentText(msg)
                        .addAction(R.drawable.ic_subscription_shoppingcart, ctx.getString(R.string.push_extend), subscriptionsIntent);

        mBuilder.setContentIntent(subscriptionsIntent);
        mBuilder.setAutoCancel(true);

        mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
    }
}