Resolve "Make "Delete account" accessible"

src/app/components/shared/_dialogs/delete-account/delete-account.component.ts

@@ -4,6 +4,8 @@ import { RoomEditComponent } from '../../../creator/_dialogs/room-edit/room-edit
 import { RoomService } from '../../../../services/http/room.service';
 import { Room } from '../../../../models/room';
 import { DialogConfirmActionButtonType } from '../../dialog/dialog-action-buttons/dialog-action-buttons.component';
+import { LiveAnnouncer } from '@angular/cdk/a11y';
+import { TranslateService } from '@ngx-translate/core';
 
 @Component({
   selector: 'app-delete-account',
@@ -23,9 +25,12 @@ export class DeleteAccountComponent implements OnInit {
 
   constructor(public dialogRef: MatDialogRef<RoomEditComponent>,
               @Inject(MAT_DIALOG_DATA) public data: any,
-              private roomService: RoomService) { }
+              private roomService: RoomService,
+              private liveAnnouncer: LiveAnnouncer,
+              private translationService: TranslateService, ) { }
 
   ngOnInit() {
+    this.announce();
     this.roomService.getCreatorRooms().subscribe(rooms => {
       this.rooms = rooms.sort((a, b) => {
         return a.name > b.name ? 1 : -1;
@@ -33,6 +38,21 @@ export class DeleteAccountComponent implements OnInit {
     });
   }
 
+  public announce() {
+    const lang: string = this.translationService.currentLang;
+
+    // current live announcer content must be cleared before next read
+    this.liveAnnouncer.clear();
+
+    if (lang === 'de') {
+      this.liveAnnouncer.announce('Willst du dein Konto mit allen Sitzungen unwiderruflich löschen?', 'assertive');
+    } else {
+      this.liveAnnouncer.announce('Do you really want to irrevocably delete your account with the associated sessions?', 'assertive');
+    }
+
+  }
+
+
   close(type: string): void {
     this.dialogRef.close(type);
   }