Auto prolong oneshot

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

@@ -107,7 +107,7 @@ public class ServiceSynchronize extends LifecycleService {
     private static final long RECONNECT_BACKOFF = 90 * 1000L; // milliseconds
     private static final int ACCOUNT_ERROR_AFTER = 60; // minutes
     private static final int BACKOFF_ERROR_AFTER = 16; // seconds
-    private static final long ONESHOT_DURATION = 120 * 1000L; // milliseconds
+    private static final long ONESHOT_DURATION = 90 * 1000L; // milliseconds
     private static final long STOP_DELAY = 5000L; // milliseconds
 
     static final int PI_ALARM = 1;
@@ -129,10 +129,19 @@ public class ServiceSynchronize extends LifecycleService {
         DB db = DB.getInstance(this);
 
         db.account().liveStats().observe(this, new Observer<TupleAccountStats>() {
+            private TupleAccountStats lastStats = null;
+
             @Override
             public void onChanged(@Nullable TupleAccountStats stats) {
+                if (stats != null && !stats.equals(lastStats)) {
                     NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
                     nm.notify(Helper.NOTIFICATION_SYNCHRONIZE, getNotificationService(stats).build());
+
+                    if (oneshot && stats.operations > 0)
+                        onOneshot(true);
+                }
+
+                lastStats = stats;
             }
         });
 

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

@@ -19,7 +19,21 @@ package eu.faircode.email;
     Copyright 2018-2019 by Marcel Bokhorst (M66B)
 */
 
+import androidx.annotation.Nullable;
+
+import java.util.Objects;
+
 public class TupleAccountStats {
     public Integer accounts = 0;
     public Integer operations = 0;
+
+    @Override
+    public boolean equals(@Nullable Object obj) {
+        if (obj instanceof TupleAccountStats) {
+            TupleAccountStats other = (TupleAccountStats) obj;
+            return (Objects.equals(this.accounts, other.accounts) &&
+                    Objects.equals(this.operations, other.operations));
+        } else
+            return false;
+    }
 }