Fix sticky toolbar

WordPress · Dec 11, 2020 · 70ac199 · 70ac199
1 parent a1616bd
commit 70ac199
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Showing 2 changed files with 33 additions and 25 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/packages/block-editor/src/components/block-list/block-popover.js b/packages/block-editor/src/components/block-list/block-popover.js
@@ -167,7 +167,11 @@ function BlockPopover( {
 		: 'top right left';
 	const stickyBoundaryElement = showEmptyBlockSideInserter
 		? undefined
-		: getScrollContainer( ownerDocument.defaultView.frameElement ) ||
+		: // The sticky boundary element should be the boundary at which the
+		  // the block toolbar becomes sticky when the block scolls out of view.
+		  // In case of an iframe, this should be the iframe boundary, otherwise
+		  // the scroll container.
+		  ownerDocument.defaultView.frameElement ||
 		  getScrollContainer( node ) ||
 		  ownerDocument.body;