Use block context to detect presence of parent pattern for overrides

packages/block-editor/src/hooks/use-bindings-attributes.js

@@ -11,7 +11,6 @@ import { addFilter } from '@wordpress/hooks';
  * Internal dependencies
  */
 import { unlock } from '../lock-unlock';
-import { store as blockEditorStore } from '../store';
 
 /** @typedef {import('@wordpress/compose').WPHigherOrderComponent} WPHigherOrderComponent */
 /** @typedef {import('@wordpress/blocks').WPBlockSettings} WPBlockSettings */
@@ -95,24 +94,12 @@ export const withBlockBindingSupport = createHigherOrderComponent(
 	( BlockEdit ) => ( props ) => {
 		const registry = useRegistry();
 		const { name, clientId, context } = props;
-		const { sources, hasParentPattern } = useSelect(
-			( select ) => {
-				const { getAllBlockBindingsSources } = unlock(
-					select( blocksStore )
-				);
-				const { getBlockParentsByBlockName } = unlock(
-					select( blockEditorStore )
-				);
-
-				return {
-					sources: getAllBlockBindingsSources(),
-					hasParentPattern:
-						getBlockParentsByBlockName( clientId, 'core/block' )
-							.length > 0,
-				};
-			},
-			[ clientId ]
+		const sources = useSelect(
+			( select ) =>
+				unlock( select( blocksStore ) ).getAllBlockBindingsSources(),
+			[]
 		);
+		const hasParentPattern = !! props.context[ 'pattern/overrides' ];
 		const hasPatternOverridesDefaultBinding =
 			props.attributes.metadata?.bindings?.[ DEFAULT_ATTRIBUTE ]
 				?.source === 'core/pattern-overrides';
@@ -254,12 +241,13 @@ export const withBlockBindingSupport = createHigherOrderComponent(
 			[
 				registry,
 				bindings,
-				name,
-				clientId,
-				context,
+				hasPatternOverridesDefaultBinding,
+				hasParentPattern,
 				setAttributes,
+				name,
 				sources,
-				hasPatternOverridesDefaultBinding,
+				context,
+				clientId,
 			]
 		);
 

packages/block-library/src/block/block.json

@@ -12,9 +12,13 @@
 			"type": "number"
 		},
 		"content": {
-			"type": "object"
+			"type": "object",
+			"default": {}
 		}
 	},
+	"providesContext": {
+		"pattern/overrides": "content"
+	},
 	"supports": {
 		"customClassName": false,
 		"html": false,

packages/block-library/src/image/image.js

@@ -443,16 +443,12 @@ export default function Image( {
 				return {};
 			}
 			const { getBlockBindingsSource } = unlock( select( blocksStore ) );
-			const { getBlockParentsByBlockName } = unlock(
-				select( blockEditorStore )
-			);
 			const {
 				url: urlBinding,
 				alt: altBinding,
 				title: titleBinding,
 			} = metadata?.bindings || {};
-			const hasParentPattern =
-				getBlockParentsByBlockName( clientId, 'core/block' ).length > 0;
+			const hasParentPattern = !! context[ 'pattern/overrides' ];
 			const urlBindingSource = getBlockBindingsSource(
 				urlBinding?.source
 			);
@@ -508,7 +504,12 @@ export default function Image( {
 					: __( 'Connected to dynamic data' ),
 			};
 		},
-		[ clientId, isSingleSelected, metadata?.bindings ]
+		[
+			arePatternOverridesEnabled,
+			context,
+			isSingleSelected,
+			metadata?.bindings,
+		]
 	);
 
 	const showUrlInput =

packages/editor/src/bindings/pattern-overrides.js

@@ -9,23 +9,22 @@ const CONTENT = 'content';
 export default {
 	name: 'core/pattern-overrides',
 	label: _x( 'Pattern Overrides', 'block bindings source' ),
-	getValue( { registry, clientId, attributeName } ) {
-		const { getBlockAttributes, getBlockParentsByBlockName } =
-			registry.select( blockEditorStore );
+	getValue( { registry, clientId, context, attributeName } ) {
+		const patternOverridesContent = context[ 'pattern/overrides' ];
+		const { getBlockAttributes } = registry.select( blockEditorStore );
 		const currentBlockAttributes = getBlockAttributes( clientId );
-		const [ patternClientId ] = getBlockParentsByBlockName(
-			clientId,
-			'core/block',
-			true
-		);
+
+		if ( ! patternOverridesContent ) {
+			return currentBlockAttributes[ attributeName ];
+		}
 
 		const overridableValue =
-			getBlockAttributes( patternClientId )?.[ CONTENT ]?.[
+			patternOverridesContent?.[
 				currentBlockAttributes?.metadata?.name
 			]?.[ attributeName ];
 
 		// If there is no pattern client ID, or it is not overwritten, return the default value.
-		if ( ! patternClientId || overridableValue === undefined ) {
+		if ( overridableValue === undefined ) {
 			return currentBlockAttributes[ attributeName ];
 		}
 

packages/editor/src/hooks/pattern-overrides.js

@@ -14,6 +14,8 @@ import { store as blocksStore } from '@wordpress/blocks';
 import { store as editorStore } from '../store';
 import { unlock } from '../lock-unlock';
 
+/** @typedef {import('@wordpress/blocks').WPBlockSettings} WPBlockSettings */
+
 const {
 	PatternOverridesControls,
 	ResetOverridesControl,
@@ -46,7 +48,8 @@ const withPatternOverrideControls = createHigherOrderComponent(
 				{ isSupportedBlock && <PatternOverridesBlockControls /> }
 			</>
 		);
-	}
+	},
+	'withPatternOverrideControls'
 );
 
 // Split into a separate component to avoid a store subscription

test/integration/fixtures/blocks/core__block.json

@@ -3,7 +3,8 @@
 		"name": "core/block",
 		"isValid": true,
 		"attributes": {
-			"ref": 123
+			"ref": 123,
+			"content": {}
 		},
 		"innerBlocks": []
 	}