[ACS-10219] a11y Keyboard focus is lost when dismissing popup with Esc (#4906)

* [ACS-10219] a11y Keyboard focus is lost when dismissing popup with Esc

* [ACS-10219] cr fixes

* [link-adf:dev-mmaliarchuk/ACS-10219-a11y-keyboard-focus-is-lost-when-dismissing-popup][affected:*][ci:force]

* empty commit

* [ACS-10219] move hostListeners under constructor

projects/aca-content/src/lib/components/context-menu/context-menu-outside-event.directive.spec.ts

@@ -22,10 +22,84 @@
  * from Hyland Software. If not, see <http://www.gnu.org/licenses/>.
  */
 
+import { Component, DebugElement } from '@angular/core';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { OutsideEventDirective } from './context-menu-outside-event.directive';
+import { MatMenuModule } from '@angular/material/menu';
+import { UnitTestingUtils } from '@alfresco/adf-core';
+
+@Component({
+  standalone: true,
+  imports: [OutsideEventDirective, MatMenuModule],
+  template: `
+    <div class="custom-selector">
+      <button #menuTrigger="matMenuTrigger" [matMenuTriggerFor]="menu" data-automation-id="trigger-button">Open Menu</button>
+      <mat-menu #menu="matMenu" class="aca-context-menu" acaContextMenuOutsideEvent>
+        <button mat-menu-item data-automation-id="menu-item">Item 1</button>
+      </mat-menu>
+      <button data-automation-id="outside-button">Outside Button</button>
+    </div>
+  `
+})
+class TestComponent {}
 
 describe('OutsideEventDirective', () => {
-  it('should be defined', () => {
-    expect(OutsideEventDirective).toBeDefined();
+  let fixture: ComponentFixture<TestComponent>;
+  let directive: DebugElement;
+  let unitTestingUtils: UnitTestingUtils;
+  let directiveInstance: OutsideEventDirective;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [TestComponent, OutsideEventDirective, MatMenuModule]
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(TestComponent);
+    unitTestingUtils = new UnitTestingUtils(fixture.debugElement);
+    directive = unitTestingUtils.getByDirective(OutsideEventDirective);
+    directiveInstance = directive.injector.get(OutsideEventDirective);
+    fixture.detectChanges();
+  });
+
+  it('should emit clickOutside when clicking outside the context menu', () => {
+    spyOn(directiveInstance.clickOutside, 'next');
+
+    unitTestingUtils.clickByDataAutomationId('outside-button');
+    fixture.detectChanges();
+
+    expect(directiveInstance.clickOutside.next).toHaveBeenCalled();
+  });
+
+  it('should not emit clickOutside when clicking inside the context menu', () => {
+    unitTestingUtils.clickByDataAutomationId('trigger-button');
+    fixture.detectChanges();
+
+    spyOn(directiveInstance.clickOutside, 'next');
+
+    unitTestingUtils.clickByDataAutomationId('menu-item');
+    fixture.detectChanges();
+
+    expect(directiveInstance.clickOutside.next).not.toHaveBeenCalled();
+  });
+
+  it('should focus focusTargetSelector element on escape key', () => {
+    expect(directiveInstance.focusTargetSelector).toBe('.adf-context-menu-source');
+
+    directiveInstance.focusTargetSelector = '.custom-selector';
+    unitTestingUtils.clickByDataAutomationId('trigger-button');
+    fixture.detectChanges();
+
+    const contextMenuSource: HTMLElement = unitTestingUtils.getByCSS(directiveInstance.focusTargetSelector).nativeElement;
+    spyOn(contextMenuSource, 'focus');
+
+    document.dispatchEvent(
+      new KeyboardEvent('keydown', {
+        key: 'Escape',
+        code: 'Escape',
+        bubbles: true
+      })
+    );
+
+    expect(contextMenuSource.focus).toHaveBeenCalled();
   });
 });

projects/aca-content/src/lib/components/context-menu/context-menu-outside-event.directive.ts

@@ -22,7 +22,7 @@
  * from Hyland Software. If not, see <http://www.gnu.org/licenses/>.
  */
 
-import { DestroyRef, Directive, EventEmitter, inject, OnInit, Output } from '@angular/core';
+import { DestroyRef, Directive, EventEmitter, HostListener, inject, Input, OnInit, Output } from '@angular/core';
 import { fromEvent } from 'rxjs';
 import { filter } from 'rxjs/operators';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
@@ -35,6 +35,9 @@ export class OutsideEventDirective implements OnInit {
   @Output()
   clickOutside: EventEmitter<void> = new EventEmitter();
 
+  @Input()
+  focusTargetSelector = '.adf-context-menu-source';
+
   private readonly destroyRef = inject(DestroyRef);
 
   ngOnInit() {
@@ -46,6 +49,11 @@ export class OutsideEventDirective implements OnInit {
       .subscribe(() => this.clickOutside.next());
   }
 
+  @HostListener('document:keydown.escape', ['$event'])
+  onEscapeKeydown() {
+    document.querySelector<HTMLElement>(this.focusTargetSelector)?.focus();
+  }
+
   private findAncestor(el: Element): boolean {
     const className = 'aca-context-menu';
 

projects/aca-content/src/lib/components/search/search-save/directive/save-search.directive.spec.ts

@@ -80,7 +80,8 @@ describe('SaveSearchDirective', () => {
     element.triggerEventHandler('click', event);
 
     const expectedConfig = {
-      data: { searchUrl: 'encodedQuery' }
+      data: { searchUrl: 'encodedQuery' },
+      restoreFocus: true
     };
 
     expect(dialog.open).toHaveBeenCalledWith(SaveSearchDialogComponent, expectedConfig);

projects/aca-content/src/lib/components/search/search-save/directive/save-search.directive.ts

@@ -22,7 +22,7 @@
  * from Hyland Software. If not, see <http://www.gnu.org/licenses/>.
  */
 
-import { Directive, HostListener, Input } from '@angular/core';
+import { Directive, ElementRef, HostListener, Input } from '@angular/core';
 import { MatDialog } from '@angular/material/dialog';
 import { SaveSearchDialogComponent } from '../dialog/save-search-dialog.component';
 
@@ -39,16 +39,20 @@ export class SaveSearchDirective {
   @Input()
   acaSaveSearchQuery: string;
 
-  constructor(private readonly dialogRef: MatDialog) {}
+  constructor(
+    private readonly dialogRef: MatDialog,
+    private readonly elementRef: ElementRef<HTMLElement>
+  ) {}
 
   @HostListener('click', ['$event'])
   onClick(event: MouseEvent) {
     event.preventDefault();
+    this.elementRef.nativeElement.focus();
     this.openDialog();
   }
 
   private openDialog(): void {
-    this.dialogRef.open(SaveSearchDialogComponent, this.getDialogConfig());
+    this.dialogRef.open(SaveSearchDialogComponent, { ...this.getDialogConfig(), restoreFocus: true });
   }
 
   private getDialogConfig(): { data: SaveSearchDirectiveDialogData } {

projects/aca-content/src/lib/components/search/search-save/list/saved-searches-list-ui.service.spec.ts

@@ -22,16 +22,18 @@
  * from Hyland Software. If not, see <http://www.gnu.org/licenses/>.
  */
 
-import { TestBed } from '@angular/core/testing';
-import { MatDialog, MatDialogModule } from '@angular/material/dialog';
+import { fakeAsync, TestBed } from '@angular/core/testing';
+import { MatDialog, MatDialogModule, MatDialogRef } from '@angular/material/dialog';
 import { SavedSearchesListUiService } from './saved-searches-list-ui.service';
 import { SavedSearch } from '@alfresco/adf-content-services';
 import { SavedSearchEditDialogComponent } from '../dialog/edit/saved-search-edit-dialog.component';
 import { SavedSearchDeleteDialogComponent } from '../dialog/delete/saved-search-delete-dialog.component';
+import { of } from 'rxjs';
 
 describe('NodeTemplateService', () => {
   let dialog: MatDialog;
   let savedSearchesListUiService: SavedSearchesListUiService;
+  let dialogRefSpy: jasmine.SpyObj<MatDialogRef<any>>;
 
   const mockedSearch: SavedSearch = { name: 'test', encodedUrl: 'test', order: 1 };
 
@@ -42,19 +44,21 @@ describe('NodeTemplateService', () => {
 
     dialog = TestBed.inject(MatDialog);
     savedSearchesListUiService = TestBed.inject(SavedSearchesListUiService);
+
+    dialogRefSpy = jasmine.createSpyObj('MatDialogRef', ['afterClosed']);
+    dialogRefSpy.afterClosed.and.returnValue(of(null));
+    spyOn(dialog, 'open').and.returnValue(dialogRefSpy);
   });
 
-  it('should open edit save search dialog with proper params', () => {
-    spyOn(dialog, 'open');
+  it('should open edit save search dialog with proper params', fakeAsync(() => {
     savedSearchesListUiService.openEditSavedSearch(mockedSearch);
 
     expect(dialog.open).toHaveBeenCalledWith(SavedSearchEditDialogComponent, { data: mockedSearch, width: '600px' });
-  });
+  }));
 
-  it('should open delete save search dialog with proper params', () => {
-    spyOn(dialog, 'open');
+  it('should open delete save search dialog with proper params', fakeAsync(() => {
     savedSearchesListUiService.confirmDeleteSavedSearch(mockedSearch);
 
     expect(dialog.open).toHaveBeenCalledWith(SavedSearchDeleteDialogComponent, { data: mockedSearch, minWidth: '500px' });
-  });
+  }));
 });

projects/aca-content/src/lib/components/search/search-save/list/saved-searches-list-ui.service.ts

@@ -33,16 +33,28 @@ export class SavedSearchesListUiService {
   private readonly dialog = inject(MatDialog);
 
   openEditSavedSearch(savedSearch: SavedSearch): void {
-    this.dialog.open(SavedSearchEditDialogComponent, {
-      data: savedSearch,
-      width: '600px'
-    });
+    this.dialog
+      .open(SavedSearchEditDialogComponent, {
+        data: savedSearch,
+        width: '600px'
+      })
+      .afterClosed()
+      .subscribe(() => this.focusAfterClose(`.adf-datatable-cell--${savedSearch.name}`));
   }
 
   confirmDeleteSavedSearch(savedSearch: SavedSearch): void {
-    this.dialog.open(SavedSearchDeleteDialogComponent, {
-      data: savedSearch,
-      minWidth: '500px'
-    });
+    this.dialog
+      .open(SavedSearchDeleteDialogComponent, {
+        data: savedSearch,
+        minWidth: '500px'
+      })
+      .afterClosed()
+      .subscribe(() => this.focusAfterClose(`.adf-datatable-cell--${savedSearch.name}`));
+  }
+
+  private focusAfterClose(focusedElementSelector: string): void {
+    if (focusedElementSelector) {
+      document.querySelector<HTMLElement>(focusedElementSelector)?.closest<HTMLElement>('adf-datatable-row').focus();
+    }
   }
 }

projects/aca-content/src/lib/components/search/search-save/list/ui-list/saved-searches-list.ui-component.spec.ts

@@ -23,14 +23,14 @@
  */
 
 import { ComponentFixture, TestBed } from '@angular/core/testing';
-import { DataCellEvent, DataTableComponent, NoopTranslateModule, NotificationService } from '@alfresco/adf-core';
+import { DataCellEvent, DataTableComponent, NoopTranslateModule, NotificationService, UnitTestingUtils } from '@alfresco/adf-core';
 import { SavedSearchesListUiComponent } from './saved-searches-list.ui-component';
 import { SavedSearchesListUiService } from '../saved-searches-list-ui.service';
-import { By } from '@angular/platform-browser';
 import { SavedSearch } from '@alfresco/adf-content-services';
 import { Subject } from 'rxjs';
 import { Clipboard } from '@angular/cdk/clipboard';
 import { Router } from '@angular/router';
+import { provideNoopAnimations } from '@angular/platform-browser/animations';
 
 describe('SavedSearchesListUiComponent ', () => {
   let fixture: ComponentFixture<SavedSearchesListUiComponent>;
@@ -39,11 +39,12 @@ describe('SavedSearchesListUiComponent ', () => {
   let savedSearchesListUiService: SavedSearchesListUiService;
   let clipboard: Clipboard;
   let router: Router;
+  let unitTestingUtils: UnitTestingUtils;
 
   beforeEach(() => {
     TestBed.configureTestingModule({
       imports: [NoopTranslateModule, SavedSearchesListUiComponent],
-      providers: [SavedSearchesListUiService]
+      providers: [SavedSearchesListUiService, provideNoopAnimations()]
     });
 
     notificationService = TestBed.inject(NotificationService);
@@ -53,6 +54,7 @@ describe('SavedSearchesListUiComponent ', () => {
 
     fixture = TestBed.createComponent(SavedSearchesListUiComponent);
     component = fixture.componentInstance;
+    unitTestingUtils = new UnitTestingUtils(fixture.debugElement);
   });
 
   function getColumnDefinition(key: string, title: string) {
@@ -73,7 +75,7 @@ describe('SavedSearchesListUiComponent ', () => {
 
     beforeEach(() => {
       fixture.detectChanges();
-      dataTable = fixture.debugElement.query(By.directive(DataTableComponent)).componentInstance;
+      dataTable = unitTestingUtils.getByDirective(DataTableComponent).componentInstance;
       dataCellEvent = new DataCellEvent(
         {
           isSelected: true,
@@ -159,6 +161,42 @@ describe('SavedSearchesListUiComponent ', () => {
       ]);
     });
 
+    it('should focus .adf-context-menu-source element when escape key is pressed and context menu exists', () => {
+      component.savedSearches = [{ name: '1', order: 0, encodedUrl: '123' }] as SavedSearch[];
+
+      fixture.detectChanges();
+
+      dataTable.showRowContextMenu.emit(dataCellEvent);
+      fixture.detectChanges();
+
+      const tableCell = unitTestingUtils.getByCSS('adf-datatable-cell');
+
+      tableCell.nativeElement.dispatchEvent(
+        new MouseEvent('contextmenu', {
+          bubbles: true,
+          cancelable: true,
+          button: 2
+        })
+      );
+      fixture.detectChanges();
+
+      const contextMenu = document.querySelector('.adf-context-menu');
+      const contextMenuSource: HTMLElement = unitTestingUtils.getByCSS('.adf-context-menu-source').nativeElement;
+
+      expect(contextMenu).toBeTruthy();
+      spyOn(contextMenuSource, 'focus');
+
+      document.dispatchEvent(
+        new KeyboardEvent('keydown', {
+          key: 'Escape',
+          code: 'Escape',
+          bubbles: true
+        })
+      );
+
+      expect(contextMenuSource.focus).toHaveBeenCalled();
+    });
+
     describe('Context menu actions', () => {
       beforeEach(() => {
         spyOn(savedSearchesListUiService, 'openEditSavedSearch');

projects/aca-content/src/lib/components/search/search-save/list/ui-list/saved-searches-list.ui-component.ts

@@ -22,7 +22,18 @@
  * from Hyland Software. If not, see <http://www.gnu.org/licenses/>.
  */
 
-import { AfterContentInit, Component, DestroyRef, EventEmitter, inject, Input, Output, ViewEncapsulation } from '@angular/core';
+import {
+  AfterContentInit,
+  Component,
+  DestroyRef,
+  ElementRef,
+  EventEmitter,
+  HostListener,
+  inject,
+  Input,
+  Output,
+  ViewEncapsulation
+} from '@angular/core';
 import {
   AppConfigService,
   DataCellEvent,
@@ -93,7 +104,8 @@ export class SavedSearchesListUiComponent extends DataTableSchema implements Aft
   constructor(
     protected appConfig: AppConfigService,
     private readonly clipboard: Clipboard,
-    private readonly router: Router
+    private readonly router: Router,
+    private readonly hostElement: ElementRef<HTMLElement>
   ) {
     super(appConfig, '', savedSearchesListSchema);
   }
@@ -103,6 +115,14 @@ export class SavedSearchesListUiComponent extends DataTableSchema implements Aft
     this.contextMenuAction$.pipe(takeUntilDestroyed(this.destroyRef)).subscribe((action) => this.executeMenuOption(action.key, action.data));
   }
 
+  @HostListener('document:keydown.escape', ['$event'])
+  onEscapeKeydown() {
+    const contextMenu = document.querySelector<HTMLElement>('.adf-context-menu');
+    if (contextMenu) {
+      this.hostElement.nativeElement.querySelector<HTMLElement>('.adf-context-menu-source')?.focus();
+    }
+  }
+
   onShowRowActionsMenu(event: DataCellEvent): void {
     event.value.actions = this.menuOptions;
   }