approach #2 where we adjust for halo focus ring in the layout

Author: LFDanLu

packages/@react-aria/virtualizer/src/VirtualizerItem.tsx

@@ -69,7 +69,7 @@ export function layoutInfoToStyle(layoutInfo: LayoutInfo, dir: Direction, parent
     opacity: layoutInfo.opacity,
     zIndex: layoutInfo.zIndex,
     transform: layoutInfo.transform,
-    contain: 'size layout style'
+    contain: 'size layout style paint'
   };
 
   cache.set(layoutInfo, style);

packages/@react-spectrum/cards/src/CardView.tsx

@@ -14,18 +14,17 @@ import {CardBase} from './CardBase';
 import {CardViewContext, useCardViewContext} from './CardViewContext';
 import cardViewStyles from './cardview.css';
 import {classNames, useDOMRef, useStyleProps, useUnwrapDOMRef} from '@react-spectrum/utils';
-import {DOMRef, DOMRefValue, Node} from '@react-types/shared';
+import {DOMRef, DOMRefValue} from '@react-types/shared';
 import {GridCollection, useGridState} from '@react-stately/grid';
 // @ts-ignore
 import intlMessages from '../intl/*.json';
 import {ProgressCircle} from '@react-spectrum/progress';
 import React, {ReactElement, useMemo, useRef} from 'react';
-import {ReusableView} from '@react-stately/virtualizer';
 import {SpectrumCardViewProps} from '@react-types/cards';
 import {useCollator, useLocale, useMessageFormatter} from '@react-aria/i18n';
 import {useGrid, useGridCell, useGridRow} from '@react-aria/grid';
 import {useListState} from '@react-stately/list';
-import {Virtualizer, VirtualizerItem} from '@react-aria/virtualizer';
+import {Virtualizer} from '@react-aria/virtualizer';
 
 function CardView<T extends object>(props: SpectrumCardViewProps<T>, ref: DOMRef<HTMLDivElement>) {
   let {styleProps} = useStyleProps(props);
@@ -80,15 +79,6 @@ function CardView<T extends object>(props: SpectrumCardViewProps<T>, ref: DOMRef
     keyboardDelegate: cardViewLayout
   }, state, domRef);
 
-  type View = ReusableView<Node<T>, unknown>;
-  let renderWrapper = (parent: View, reusableView: View) => (
-    <VirtualizerItem
-      className={classNames(cardViewStyles, 'react-spectrum-CardView-CardWrapper')}
-      key={reusableView.key}
-      reusableView={reusableView}
-      parent={parent} />
-  );
-
   // TODO: does aria-row count and aria-col count need to be modified? Perhaps aria-col count needs to be omitted
   return (
     <CardViewContext.Provider value={{state, isQuiet, layout: cardViewLayout}}>
@@ -101,8 +91,7 @@ function CardView<T extends object>(props: SpectrumCardViewProps<T>, ref: DOMRef
         layout={cardViewLayout}
         collection={collection}
         isLoading={isLoading}
-        onLoadMore={onLoadMore}
-        renderWrapper={renderWrapper}>
+        onLoadMore={onLoadMore}>
         {(type, item) => {
           if (type === 'item') {
             return (
@@ -171,13 +160,22 @@ function InternalCard(props) {
     focusMode: 'cell'
   }, state, unwrappedRef);
 
-
+  let rowStyles;
   if (layoutType === 'grid' || layoutType === 'gallery') {
     isQuiet = true;
+    rowStyles = {
+      height: 'calc(100% - 12px)',
+      width: 'calc(100% - 12px)',
+      transform: 'translate(6px, 6px)'
+    }
+  } else {
+    rowStyles = {
+      height: '100%'
+    }
   }
 
   return (
-    <div {...rowProps} ref={rowRef} style={{height: '100%'}}>
+    <div {...rowProps} ref={rowRef} style={rowStyles}>
       <CardBase
         ref={cellRef}
         articleProps={gridCellProps}

packages/@react-spectrum/cards/src/GalleryLayout.tsx

@@ -129,14 +129,14 @@ export class GalleryLayout<T> extends BaseLayout<T> {
         rowHeight = this.idealRowHeight;
       }
 
-      let itemHeight = Math.round(rowHeight) + this.itemPadding;
+      let itemHeight = Math.round(rowHeight) + this.itemPadding + 12;
       let x = this.itemSpacing.width;
 
       // Create items for this row.
       for (let j = index; j < index + row.length; j++) {
         let node = this.collection.at(j);
-        let itemWidth = Math.round(rowHeight * ratios[j]);
-        let rect = new Rect(x, y, itemWidth, itemHeight);
+        let itemWidth = Math.round(rowHeight * ratios[j]) + 12;
+        let rect = new Rect(x - 6, y - 6, itemWidth, itemHeight);
         let layoutInfo = new LayoutInfo(node.type, node.key, rect);
         this.layoutInfos.set(node.key, layoutInfo);
         x += itemWidth + this.itemSpacing.width;

packages/@react-spectrum/cards/src/GridLayout.tsx

@@ -243,10 +243,10 @@ export class GridLayout<T> extends BaseLayout<T> {
   buildChild(node: Node<T>, y: number, index: number): LayoutInfo {
     let row = Math.floor(index / this.numColumns);
     let column = index % this.numColumns;
-    let x = this.margin + column * (this.itemSize.width + this.horizontalSpacing);
-    y = this.margin + row * (this.itemSize.height + this.minSpace.height);
+    let x = this.margin + column * (this.itemSize.width + this.horizontalSpacing) - 6;
+    y = this.margin + row * (this.itemSize.height + this.minSpace.height) - 6;
 
-    let rect = new Rect(x, y, this.itemSize.width, this.itemSize.height);
+    let rect = new Rect(x, y, this.itemSize.width + 12, this.itemSize.height + 12);
     let layoutInfo = new LayoutInfo(node.type, node.key, rect);
     this.layoutInfos.set(node.key, layoutInfo);
     return layoutInfo;

packages/@react-spectrum/cards/src/cardview.css

@@ -5,7 +5,3 @@
   width: 100%;
   height: 100%;
 }
-
-.react-spectrum-CardView-CardWrapper {
-  overflow: visible !important;
-}