feat: Better At-a-Glance perceptive wallpaper colour luminance detection

src/com/android/launcher3/DropTarget.java

@@ -20,17 +20,15 @@ import android.content.Context;
 import android.graphics.Rect;
 import android.view.View;
 
-import androidx.annotation.Nullable;
-
 import com.android.launcher3.accessibility.DragViewStateAnnouncer;
-import com.android.launcher3.dagger.LauncherComponentProvider;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.dragndrop.DragView;
 import com.android.launcher3.dragndrop.DraggableView;
-import com.android.launcher3.folder.FolderNameSuggestionLoader;
+import com.android.launcher3.folder.FolderNameProvider;
 import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.logging.InstanceIdSequence;
 import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.util.Executors;
 
 /**
  * Interface defining an object that can receive a drag.
@@ -74,7 +72,7 @@ public interface DropTarget {
 
         public DragViewStateAnnouncer stateAnnouncer;
 
-        public FolderNameSuggestionLoader folderNameSuggestionLoader;
+        public FolderNameProvider folderNameProvider;
 
         /** The source view (ie. icon, widget etc.) that is being dragged and which the
          * DragView represents. May be an actual View class or a virtual stand-in */
@@ -84,8 +82,8 @@ public interface DropTarget {
         public final InstanceId logInstanceId = new InstanceIdSequence().newInstanceId();
 
         public DragObject(Context context) {
-            folderNameSuggestionLoader = LauncherComponentProvider.get(context)
-                    .getFolderNameSuggestionLoader();
+            Executors.MODEL_EXECUTOR.post(() ->
+                    folderNameProvider = FolderNameProvider.newInstance(context));
         }
 
         /**
@@ -149,18 +147,8 @@ public interface DropTarget {
     // These methods are implemented in Views
     void getHitRectRelativeToDragLayer(Rect outRect);
 
-    /**
-     * Returns the drop target view.<br>
-     *
-     * By default, the implementor class is cast to the view.<br>
-     *
-     * The returned {@link View} will be use to map touch coordinates to the view self descendant
-     * and set as [{@link DragObject#x DragObject.x} {@link DragObject#y DragObject.y}].<br>
-     *
-     * If this method returns {@code null}, the raw touch event coordinates will be directly
-     * assigned to [{@link DragObject#x DragObject.x} and {@link DragObject#y DragObject.y}].
-     */
-    default @Nullable View getDropView() {
+    /** Returns the drop target view. By default, the implementor class is cast to the view. */
+    default View getDropView() {
         return (View) this;
     }
 }