Feature: better toast notifications management (#8980)

src-ui/src/app/components/app-frame/toasts-dropdown/toasts-dropdown.component.ts

@@ -0,0 +1,42 @@
+import { Component, OnDestroy, OnInit } from '@angular/core'
+import {
+  NgbDropdownModule,
+  NgbProgressbarModule,
+} from '@ng-bootstrap/ng-bootstrap'
+import { NgxBootstrapIconsModule } from 'ngx-bootstrap-icons'
+import { Subscription } from 'rxjs'
+import { Toast, ToastService } from 'src/app/services/toast.service'
+import { ToastComponent } from '../../common/toast/toast.component'
+
+@Component({
+  selector: 'pngx-toasts-dropdown',
+  templateUrl: './toasts-dropdown.component.html',
+  styleUrls: ['./toasts-dropdown.component.scss'],
+  imports: [
+    ToastComponent,
+    NgbDropdownModule,
+    NgbProgressbarModule,
+    NgxBootstrapIconsModule,
+  ],
+})
+export class ToastsDropdownComponent implements OnInit, OnDestroy {
+  constructor(public toastService: ToastService) {}
+
+  private subscription: Subscription
+
+  public toasts: Toast[] = []
+
+  ngOnDestroy(): void {
+    this.subscription?.unsubscribe()
+  }
+
+  ngOnInit(): void {
+    this.subscription = this.toastService.getToasts().subscribe((toasts) => {
+      this.toasts = [...toasts]
+    })
+  }
+
+  onOpenChange(open: boolean): void {
+    this.toastService.suppressPopupToasts = open
+  }
+}