[Dagger] Remove Dependency.get from BrightnessController.

Test: atest + manual
Bug: 138786270
Change-Id: Ic8ab6bd368746a7d18ff6ef4b4ec16ffdab41bb4

packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessController.java

@@ -30,7 +30,6 @@ import android.hardware.display.DisplayManager.DisplayListener;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Handler;
-import android.os.Looper;
 import android.os.Message;
 import android.os.PowerManager;
 import android.os.RemoteException;
@@ -47,8 +46,8 @@ import com.android.internal.display.BrightnessSynchronizer;
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settingslib.RestrictedLockUtilsInternal;
-import com.android.systemui.Dependency;
 import com.android.systemui.broadcast.BroadcastDispatcher;
+import com.android.systemui.dagger.qualifiers.Background;
 import com.android.systemui.settings.CurrentUserTracker;
 import com.android.systemui.statusbar.policy.BrightnessMirrorController;
 
@@ -288,12 +287,15 @@ public class BrightnessController implements ToggleSlider.Listener, MirroredBrig
         }
     };
 
-    public BrightnessController(Context context, ToggleSlider control,
-            BroadcastDispatcher broadcastDispatcher) {
+    public BrightnessController(
+            Context context,
+            ToggleSlider control,
+            BroadcastDispatcher broadcastDispatcher,
+            @Background Handler bgHandler) {
         mContext = context;
         mControl = control;
         mControl.setMax(GAMMA_SPACE_MAX);
-        mBackgroundHandler = new Handler((Looper) Dependency.get(Dependency.BG_LOOPER));
+        mBackgroundHandler = bgHandler;
         mUserTracker = new CurrentUserTracker(broadcastDispatcher) {
             @Override
             public void onUserSwitched(int newUserId) {
@@ -464,16 +466,25 @@ public class BrightnessController implements ToggleSlider.Listener, MirroredBrig
     public static class Factory {
         private final Context mContext;
         private final BroadcastDispatcher mBroadcastDispatcher;
+        private final Handler mBackgroundHandler;
 
         @Inject
-        public Factory(Context context, BroadcastDispatcher broadcastDispatcher) {
+        public Factory(
+                Context context,
+                BroadcastDispatcher broadcastDispatcher,
+                @Background Handler bgHandler) {
             mContext = context;
             mBroadcastDispatcher = broadcastDispatcher;
+            mBackgroundHandler = bgHandler;
         }
 
         /** Create a {@link BrightnessController} */
         public BrightnessController create(ToggleSlider toggleSlider) {
-            return new BrightnessController(mContext, toggleSlider, mBroadcastDispatcher);
+            return new BrightnessController(
+                    mContext,
+                    toggleSlider,
+                    mBroadcastDispatcher,
+                    mBackgroundHandler);
         }
     }
 

packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessDialog.java

@@ -21,6 +21,7 @@ import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.os.Handler;
 import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.View;
@@ -32,6 +33,7 @@ import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.broadcast.BroadcastDispatcher;
+import com.android.systemui.dagger.qualifiers.Background;
 
 import javax.inject.Inject;
 
@@ -41,13 +43,16 @@ public class BrightnessDialog extends Activity {
     private BrightnessController mBrightnessController;
     private final BrightnessSlider.Factory mToggleSliderFactory;
     private final BroadcastDispatcher mBroadcastDispatcher;
+    private final Handler mBackgroundHandler;
 
     @Inject
     public BrightnessDialog(
             BroadcastDispatcher broadcastDispatcher,
-            BrightnessSlider.Factory factory) {
+            BrightnessSlider.Factory factory,
+            @Background Handler bgHandler) {
         mBroadcastDispatcher = broadcastDispatcher;
         mToggleSliderFactory = factory;
+        mBackgroundHandler = bgHandler;
     }
 
 
@@ -76,7 +81,8 @@ public class BrightnessDialog extends Activity {
         controller.init();
         frame.addView(controller.getRootView(), MATCH_PARENT, WRAP_CONTENT);
 
-        mBrightnessController = new BrightnessController(this, controller, mBroadcastDispatcher);
+        mBrightnessController = new BrightnessController(
+                this, controller, mBroadcastDispatcher, mBackgroundHandler);
     }
 
     @Override