Refactored tile unseen

app/src/main/java/eu/faircode/email/ServiceTileUnseen.java

@@ -29,72 +29,63 @@ import android.service.quicksettings.TileService;
 
 import java.util.List;
 
-import androidx.lifecycle.LifecycleService;
-import androidx.lifecycle.LiveData;
 import androidx.lifecycle.Observer;
 
 @TargetApi(Build.VERSION_CODES.N)
 public class ServiceTileUnseen extends TileService {
-    private LifecycleService owner = new LifecycleService();
-    private LiveData<List<TupleMessageEx>> liveMessages;
+    private TwoStateOwner owner = new TwoStateOwner();
 
     @Override
     public void onCreate() {
-        owner.onCreate();
         super.onCreate();
+
+        DB.getInstance(this).message().liveUnseenNotify().observe(owner, new Observer<List<TupleMessageEx>>() {
+            @Override
+            public void onChanged(List<TupleMessageEx> messages) {
+                Log.i("Update tile unseen=" + messages.size());
+
+                Tile tile = getQsTile();
+                if (tile != null) {
+                    tile.setState(messages.size() > 0 ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE);
+                    tile.setIcon(Icon.createWithResource(ServiceTileUnseen.this,
+                            messages.size() > 0 ? R.drawable.baseline_mail_24 : R.drawable.baseline_mail_outline_24));
+                    tile.setLabel(getResources().getQuantityString(
+                            R.plurals.title_tile_unseen, messages.size(), messages.size()));
+                    tile.updateTile();
+                }
+            }
+        });
     }
 
     @Override
     public IBinder onBind(Intent intent) {
-        owner.onBind(intent);
         return super.onBind(intent);
     }
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        owner.onStartCommand(intent, flags, startId);
         return super.onStartCommand(intent, flags, startId);
     }
 
     @Override
     public void onDestroy() {
-        owner.onDestroy();
         super.onDestroy();
     }
 
     public void onStartListening() {
         Log.i("Start tile unseen");
-        liveMessages = DB.getInstance(this).message().liveUnseenNotify();
-        liveMessages.observe(owner, new Observer<List<TupleMessageEx>>() {
-            @Override
-            public void onChanged(List<TupleMessageEx> messages) {
-                Log.i("Update tile unseen=" + messages.size());
-
-                Tile tile = getQsTile();
-                if (tile != null) {
-                    tile.setState(messages.size() > 0 ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE);
-                    tile.setIcon(Icon.createWithResource(ServiceTileUnseen.this,
-                            messages.size() > 0 ? R.drawable.baseline_mail_24 : R.drawable.baseline_mail_outline_24));
-                    tile.setLabel(getResources().getQuantityString(
-                            R.plurals.title_tile_unseen, messages.size(), messages.size()));
-                    tile.updateTile();
-                }
-            }
-        });
+        owner.start();
     }
 
     public void onStopListening() {
         Log.i("Stop tile unseen");
-        if (liveMessages != null) {
-            liveMessages.removeObservers(owner);
-            liveMessages = null;
-        }
+        owner.stop();
     }
 
     public void onClick() {
         Log.i("Click tile unseen");
 
-        Intent clear = new Intent(this, ServiceSynchronize.class);
+        Intent clear = new Intent(this, ServiceUI.class);
         clear.setAction("clear");
         startService(clear);
     }