src/eu/alefzero/owncloud/location/LocationServiceLauncherReciever.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package eu.alefzero.owncloud.location;
  19
  20 import android.app.ActivityManager;
  21 import android.app.ActivityManager.RunningServiceInfo;
  22 import android.content.BroadcastReceiver;
  23 import android.content.Context;
  24 import android.content.Intent;
  25 import android.content.SharedPreferences;
  26 import android.preference.PreferenceManager;
  27 import android.util.Log;
  28
  29 public class LocationServiceLauncherReciever extends BroadcastReceiver {
  30
  31     private final String TAG = getClass().getSimpleName();
  32
  33     @Override
  34     public void onReceive(Context context, Intent intent) {
  35         Intent deviceTrackingIntent = new Intent();
  36         deviceTrackingIntent
  37                 .setAction("eu.alefzero.owncloud.location.LocationUpdateService");
  38         SharedPreferences preferences = PreferenceManager
  39                 .getDefaultSharedPreferences(context);
  40         boolean trackDevice = preferences.getBoolean("enable_devicetracking",
  41                 true);
  42
  43         // Used in Preferences activity so that tracking is disabled or
  44         // reenabled
  45         if (intent.hasExtra("TRACKING_SETTING")) {
  46             trackDevice = intent.getBooleanExtra("TRACKING_SETTING", true);
  47         }
  48
  49         startOrStopDeviceTracking(context, trackDevice);
  50     }
  51
  52     /**
  53      * Used internally. Starts or stops the device tracking service
  54      *
  55      * @param trackDevice
  56      *            true to start the service, false to stop it
  57      */
  58     private void startOrStopDeviceTracking(Context context, boolean trackDevice) {
  59         Intent deviceTrackingIntent = new Intent();
  60         deviceTrackingIntent
  61                 .setAction("eu.alefzero.owncloud.location.LocationUpdateService");
  62         if (!isDeviceTrackingServiceRunning(context) && trackDevice) {
  63             Log.d(TAG, "Starting device tracker service");
  64             context.startService(deviceTrackingIntent);
  65         } else if (isDeviceTrackingServiceRunning(context) && !trackDevice) {
  66             Log.d(TAG, "Stopping device tracker service");
  67             context.stopService(deviceTrackingIntent);
  68         }
  69     }
  70
  71     /**
  72      * Checks to see whether or not the LocationUpdateService is running
  73      *
  74      * @return true, if it is. Otherwise false
  75      */
  76     private boolean isDeviceTrackingServiceRunning(Context context) {
  77         ActivityManager manager = (ActivityManager) context
  78                 .getSystemService(Context.ACTIVITY_SERVICE);
  79         for (RunningServiceInfo service : manager
  80                 .getRunningServices(Integer.MAX_VALUE)) {
  81             if (getClass().getName().equals(service.service.getClassName())) {
  82                 return true;
  83             }
  84         }
  85         return false;
  86     }
  87
  88 }