From 959a8a100cf726b058ad4ed638be1334cf428966 Mon Sep 17 00:00:00 2001
From: Kristiyan Kostadinov <crisbeto@users.noreply.github.com>
Date: Thu, 1 Feb 2018 20:26:02 +0100
Subject: [PATCH] feat(overlay): expose reference to the backdrop element
 (#9702)

Exposes a reference to the backdrop element via the `OverlayRef` for convenience/customization.

Fixes #9689.
---
 src/cdk/overlay/overlay-ref.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/cdk/overlay/overlay-ref.ts b/src/cdk/overlay/overlay-ref.ts
index a54e763f9d9..523bdb2028b 100644
--- a/src/cdk/overlay/overlay-ref.ts
+++ b/src/cdk/overlay/overlay-ref.ts
@@ -52,6 +52,11 @@ export class OverlayRef implements PortalOutlet {
     return this._pane;
   }
 
+  /** The overlay's backdrop HTML element. */
+  get backdropElement(): HTMLElement | null {
+    return this._backdropElement;
+  }
+
   attach<T>(portal: ComponentPortal<T>): ComponentRef<T>;
   attach<T>(portal: TemplatePortal<T>): EmbeddedViewRef<T>;
   attach(portal: any): any;