From 922a85935ec6b7033941a8295c11932c286fda03 Mon Sep 17 00:00:00 2001
From: Cilibiu Bogdan <pionnegru@users.noreply.github.com>
Date: Mon, 7 Oct 2019 12:18:39 +0300
Subject: [PATCH] add sidebar button aria-expanded attribute (#5120)

---
 lib/core/viewer/components/viewer.component.html | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/core/viewer/components/viewer.component.html b/lib/core/viewer/components/viewer.component.html
index f7ad993387..64890a46fb 100644
--- a/lib/core/viewer/components/viewer.component.html
+++ b/lib/core/viewer/components/viewer.component.html
@@ -13,6 +13,7 @@
                     <ng-container *ngIf="allowLeftSidebar">
                         <button
                             mat-icon-button
+                            [attr.aria-expanded]="showLeftSidebar"
                             title="{{ 'ADF_VIEWER.ACTIONS.INFO' | translate }}"
                             data-automation-id="adf-toolbar-left-sidebar"
                             [color]="showLeftSidebar ? 'accent' : 'default'"
@@ -105,6 +106,7 @@
 
                     <button
                         mat-icon-button
+                        [attr.aria-expanded]="showRightSidebar"
                         title="{{ 'ADF_VIEWER.ACTIONS.INFO' | translate }}"
                         data-automation-id="adf-toolbar-sidebar"
                         [color]="showRightSidebar ? 'accent' : 'default'"