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.setAction("eu.alefzero.owncloud.location.LocationUpdateService");
  37                 SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
  38                 boolean trackDevice = preferences.getBoolean("enable_devicetracking", true);
  39
  40                 // Used in Preferences activity so that tracking is disabled or reenabled
  41                 if(intent.hasExtra("TRACKING_SETTING")){
  42                         trackDevice = intent.getBooleanExtra("TRACKING_SETTING", true);
  43                 }
  44
  45                 startOrStopDeviceTracking(context, trackDevice);
  46         }
  47
  48         /**
  49          * Used internally. Starts or stops the device tracking service
  50          *
  51          * @param trackDevice
  52          *            true to start the service, false to stop it
  53          */
  54         private void startOrStopDeviceTracking(Context context, boolean trackDevice) {
  55                 Intent deviceTrackingIntent = new Intent();
  56                 deviceTrackingIntent
  57                                 .setAction("eu.alefzero.owncloud.location.LocationUpdateService");
  58                 if (!isDeviceTrackingServiceRunning(context) && trackDevice) {
  59                         Log.d(TAG, "Starting device tracker service");
  60                         context.startService(deviceTrackingIntent);
  61                 } else if (isDeviceTrackingServiceRunning(context) && !trackDevice) {
  62                         Log.d(TAG, "Stopping device tracker service");
  63                         context.stopService(deviceTrackingIntent);
  64                 }
  65         }
  66
  67         /**
  68          * Checks to see whether or not the LocationUpdateService is running
  69          *
  70          * @return true, if it is. Otherwise false
  71          */
  72         private boolean isDeviceTrackingServiceRunning(Context context) {
  73                 ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
  74                 for (RunningServiceInfo service : manager
  75                                 .getRunningServices(Integer.MAX_VALUE)) {
  76                         if (getClass().getName().equals(service.service.getClassName())) {
  77                                 return true;
  78                         }
  79                 }
  80                 return false;
  81         }
  82
  83 }