More complete DelegateWorker

app/src/full/java/a/w.java

@@ -10,7 +10,7 @@ import androidx.annotation.NonNull;
 import androidx.work.Worker;
 import androidx.work.WorkerParameters;
 
-public class w<T extends DelegateWorker> extends Worker {
+public abstract class w<T extends DelegateWorker> extends Worker {
 
     /* Wrapper class to workaround Proguard -keep class * extends Worker */
 
@@ -22,6 +22,7 @@ public class w<T extends DelegateWorker> extends Worker {
         try {
             base = ((Class<T>) ((ParameterizedType) getClass().getGenericSuperclass())
                     .getActualTypeArguments()[0]).newInstance();
+            base.setActualWorker(this);
         } catch (Exception ignored) {}
     }
 
@@ -32,4 +33,10 @@ public class w<T extends DelegateWorker> extends Worker {
             return Result.failure();
         return base.doWork();
     }
+
+    @Override
+    public void onStopped() {
+        if (base != null)
+            base.onStopped();
+    }
 }

app/src/full/java/com/topjohnwu/magisk/services/DelegateWorker.java

@@ -1,9 +1,88 @@
 package com.topjohnwu.magisk.services;
 
+import android.content.Context;
+import android.net.Network;
+import android.net.Uri;
+
+import com.google.common.util.concurrent.ListenableFuture;
+
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.Executor;
+
+import androidx.annotation.MainThread;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
+import androidx.annotation.RestrictTo;
+import androidx.work.Data;
 import androidx.work.ListenableWorker;
+import androidx.work.WorkerFactory;
+import androidx.work.impl.utils.taskexecutor.TaskExecutor;
 
 public abstract class DelegateWorker {
+
+    private ListenableWorker worker;
+
     @NonNull
     public abstract ListenableWorker.Result doWork();
+
+    public void onStopped() {}
+
+    public void setActualWorker(ListenableWorker w) {
+        worker = w;
+    }
+
+    @NonNull
+    public Context getApplicationContext() {
+        return worker.getApplicationContext();
+    }
+
+    @NonNull
+    public UUID getId() {
+        return worker.getId();
+    }
+
+    @NonNull
+    public Data getInputData() {
+        return worker.getInputData();
+    }
+
+    @NonNull
+    public Set<String> getTags() {
+        return worker.getTags();
+    }
+
+    @NonNull
+    @RequiresApi(24)
+    public List<Uri> getTriggeredContentUris() {
+        return worker.getTriggeredContentUris();
+    }
+
+    @NonNull
+    @RequiresApi(24)
+    public List<String> getTriggeredContentAuthorities() {
+        return worker.getTriggeredContentAuthorities();
+    }
+
+    @Nullable
+    @RequiresApi(28)
+    public Network getNetwork() {
+        return worker.getNetwork();
+    }
+
+    public int getRunAttemptCount() {
+        return worker.getRunAttemptCount();
+    }
+
+    @NonNull
+    @MainThread
+    public ListenableFuture<ListenableWorker.Result> startWork() {
+        return worker.startWork();
+    }
+
+    public boolean isStopped() {
+        return worker.isStopped();
+    }
 }