Started working on the "Where is my device?" feature

[pub/Android/ownCloud.git] / src / eu / alefzero / owncloud / location / LocationServiceLauncherReciever.java

diff --git a/src/eu/alefzero/owncloud/location/LocationServiceLauncherReciever.java b/src/eu/alefzero/owncloud/location/LocationServiceLauncherReciever.java
new file mode 100644 (file)
index 0000000..813b46e
--- /dev/null
+++ b/src/eu/alefzero/owncloud/location/LocationServiceLauncherReciever.java
@@ -0,0 +1,83 @@
+/* ownCloud Android client application
+ *   Copyright (C) 2011  Bartek Przybylski
+ *
+ *   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 eu.alefzero.owncloud.location;
+
+import android.app.ActivityManager;
+import android.app.ActivityManager.RunningServiceInfo;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.util.Log;
+
+public class LocationServiceLauncherReciever extends BroadcastReceiver {
+
+       private final String TAG = getClass().getSimpleName();
+       
+       @Override
+       public void onReceive(Context context, Intent intent) {
+               Intent deviceTrackingIntent = new Intent();
+               deviceTrackingIntent.setAction("eu.alefzero.owncloud.location.LocationUpdateService");
+               SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
+               boolean trackDevice = preferences.getBoolean("enable_devicetracking", true);
+               
+               // Used in Preferences activity so that tracking is disabled or reenabled
+               if(intent.hasExtra("TRACKING_SETTING")){
+                       trackDevice = intent.getBooleanExtra("TRACKING_SETTING", true);
+               }
+               
+               startOrStopDeviceTracking(context, trackDevice);
+       }
+       
+       /**
+        * Used internally. Starts or stops the device tracking service
+        * 
+        * @param trackDevice
+        *            true to start the service, false to stop it
+        */
+       private void startOrStopDeviceTracking(Context context, boolean trackDevice) {
+               Intent deviceTrackingIntent = new Intent();
+               deviceTrackingIntent
+                               .setAction("eu.alefzero.owncloud.location.LocationUpdateService");
+               if (!isDeviceTrackingServiceRunning(context) && trackDevice) {
+                       Log.d(TAG, "Starting device tracker service");
+                       context.startService(deviceTrackingIntent);
+               } else if (isDeviceTrackingServiceRunning(context) && !trackDevice) {
+                       Log.d(TAG, "Stopping device tracker service");
+                       context.stopService(deviceTrackingIntent);
+               }
+       }
+       
+       /**
+        * Checks to see whether or not the LocationUpdateService is running
+        * 
+        * @return true, if it is. Otherwise false
+        */
+       private boolean isDeviceTrackingServiceRunning(Context context) {
+               ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
+               for (RunningServiceInfo service : manager
+                               .getRunningServices(Integer.MAX_VALUE)) {
+                       if (getClass().getName().equals(service.service.getClassName())) {
+                               return true;
+                       }
+               }
+               return false;
+       }
+
+}