feat(popover): inclui evento ao fechar

Inclui evento ao fechar o popover.

Fixes DTHFUI-3699

Author: alinelariguet

projects/ui/src/lib/components/po-popover/po-popover-base.component.ts

@@ -1,4 +1,4 @@
-import { ElementRef, Input, Directive } from '@angular/core';
+import { ElementRef, EventEmitter, Input, Directive, Output } from '@angular/core';
 
 import { convertToBoolean } from '../../utils/util';
 import { PO_CONTROL_POSITIONS } from './../../services/po-control-position/po-control-position.constants';
@@ -136,6 +136,9 @@ export class PoPopoverBaseComponent {
     return this._trigger;
   }
 
+  /** Evento disparado ao fechar o popover. */
+  @Output('p-close') closePopover = new EventEmitter<any>();
+
   protected clickoutListener: () => void;
   protected mouseEnterListener: () => void;
   protected mouseLeaveListener: () => void;

projects/ui/src/lib/components/po-popover/po-popover.component.spec.ts

@@ -203,12 +203,14 @@ describe('PoPopoverComponent:', () => {
     expect(fakeThis.setElementsControlPosition).toHaveBeenCalled();
   }));
 
-  it('should close popover', () => {
+  it('should close popover and call `closePopover.emit`', () => {
+    spyOn(component.closePopover, 'emit');
     component.isHidden = false;
 
     component.close();
 
     expect(component.isHidden).toBeTruthy();
+    expect(component.closePopover.emit).toHaveBeenCalled();
   });
 
   it('should set opacity', () => {

projects/ui/src/lib/components/po-popover/po-popover.component.ts

@@ -1,4 +1,13 @@
-import { AfterViewInit, Component, ElementRef, OnDestroy, Renderer2, ViewChild } from '@angular/core';
+import {
+  AfterViewInit,
+  Component,
+  ElementRef,
+  EventEmitter,
+  OnDestroy,
+  Output,
+  Renderer2,
+  ViewChild
+} from '@angular/core';
 
 import { PoControlPositionService } from './../../services/po-control-position/po-control-position.service';
 import { PoPopoverBaseComponent } from './po-popover-base.component';
@@ -55,6 +64,7 @@ export class PoPopoverComponent extends PoPopoverBaseComponent implements AfterV
 
   close(): void {
     this.isHidden = true;
+    this.closePopover.emit();
   }
 
   debounceResize() {