/**
 *  Copyright 2020 Google LLC
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */ import { Component , ViewChild , ElementRef } from '@angular/core' ; import { DialogService } from '../dialog.service' ; @ Component ( { selector : 'app-dialog-host' , templateUrl : './dialog-host.component.html' , styleUrls : [ './dialog-host.component.scss' ] } ) export class DialogHostComponent { @ ViewChild ( 'backdrop' ) backdrop : ElementRef ; constructor ( private readonly dialogService ) { } handleBackdropClick ( event ) { if ( event . target === this . backdrop . nativeElement ) { this . dialogService . close ( ) ; } } }