Fixed broken widget overlap (#3792)

- Due to the faulty merged of A13

src/com/android/launcher3/CellLayout.java

@@ -79,6 +79,7 @@ import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
+import com.patrykmichalik.opto.core.PreferenceExtensionsKt;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -2343,6 +2344,11 @@ public class CellLayout extends ViewGroup {
         if (cellX < 0 || cellY < 0) return false;
 
         mIntersectingViews.clear();
+        if (PreferenceExtensionsKt.firstBlocking(mPreferenceManager2.getAllowWidgetOverlap())) {
+            // let's pretend no intersections exist
+            solution.intersectingViews = new ArrayList<>(mIntersectingViews);
+            return true;
+        }
         mOccupiedRect.set(cellX, cellY, cellX + spanX, cellY + spanY);
 
         // Mark the desired location of the view currently being dragged.
@@ -2739,7 +2745,7 @@ public class CellLayout extends ViewGroup {
 
     public boolean isOccupied(int x, int y) {
         if (x < mCountX && y < mCountY) {
-            return mOccupied.cells[x][y];
+            return mOccupied.cells[x][y] && !PreferenceExtensionsKt.firstBlocking(mPreferenceManager2.getAllowWidgetOverlap());
         } else {
             throw new RuntimeException("Position exceeds the bound of this CellLayout");
         }
@@ -2857,6 +2863,6 @@ public class CellLayout extends ViewGroup {
     }
 
     public boolean isRegionVacant(int x, int y, int spanX, int spanY) {
-        return mOccupied.isRegionVacant(x, y, spanX, spanY);
+        return mOccupied.isRegionVacant(x, y, spanX, spanY) || PreferenceExtensionsKt.firstBlocking(mPreferenceManager2.getAllowWidgetOverlap());
     }
 }

src/com/android/launcher3/ShortcutAndWidgetContainer.java

@@ -38,6 +38,9 @@ import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.widget.NavigableAppWidgetHostView;
+import com.patrykmichalik.opto.core.PreferenceExtensionsKt;
+
+import app.lawnchair.preferences2.PreferenceManager2;
 
 public class ShortcutAndWidgetContainer extends ViewGroup implements FolderIcon.FolderIconParent {
     static final String TAG = "ShortcutAndWidgetContainer";
@@ -62,11 +65,23 @@ public class ShortcutAndWidgetContainer extends ViewGroup implements FolderIcon.
     private final ActivityContext mActivity;
     private boolean mInvertIfRtl = false;
 
+    private final PreferenceManager2 mPreferenceManager2;
+
     public ShortcutAndWidgetContainer(Context context, @ContainerType int containerType) {
         super(context);
         mActivity = ActivityContext.lookupContext(context);
         mWallpaperManager = WallpaperManager.getInstance(context);
         mContainerType = containerType;
+        mPreferenceManager2 = PreferenceManager2.getInstance(context);
+    }
+
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        boolean mAllowWidgetOverlap = PreferenceExtensionsKt.firstBlocking(mPreferenceManager2.getAllowWidgetOverlap());
+        setClipChildren(!mAllowWidgetOverlap);
+        setClipToPadding(!mAllowWidgetOverlap);
+        setClipToOutline(!mAllowWidgetOverlap);
     }
 
     public void setCellDimensions(int cellWidth, int cellHeight, int countX, int countY,