add quick-contact component on the app

src/app/app.component.ts

@@ -10,7 +10,9 @@ import {properties} from "../environments/environment";
 import {BehaviorSubject, Subscriber} from "rxjs";
 import {StakeholderService} from "./openaireLibrary/monitor/services/stakeholder.service";
 import {Header} from "./openaireLibrary/sharedComponents/navigationBar.component";
+import {QuickContactComponent} from "./openaireLibrary/sharedComponents/quick-contact/quick-contact.component";
 import {SmoothScroll} from "./openaireLibrary/utils/smooth-scroll";
+import {QuickContactService} from './openaireLibrary/sharedComponents/quick-contact/quick-contact.service';
 
 @Component({
   selector: 'app-root',
@@ -43,6 +45,7 @@ import {SmoothScroll} from "./openaireLibrary/utils/smooth-scroll";
       </cookie-law>
       <bottom *ngIf="properties && showMenu" [grantAdvance]="false"
               [properties]="properties"></bottom>
+			<quick-contact *ngIf="showQuickContact"></quick-contact>
     </div>
   `
   
@@ -58,11 +61,13 @@ export class AppComponent {
   url: string;
   header: Header;
   logoPath: string = 'assets/common-assets/';
+	public showQuickContact: boolean;
   private subscriptions: any[] = [];
   
   constructor(private  route: ActivatedRoute, private propertiesService: EnvironmentSpecificService,
               private router: Router, private stakeholderService: StakeholderService, private smoothScroll: SmoothScroll,
-              private userManagementService: UserManagementService) {
+              private userManagementService: UserManagementService,
+							private quickContactService: QuickContactService) {
     this.subscriptions.push(router.events.forEach((event) => {
     if (event instanceof NavigationEnd) {
         this.url = event.url;
@@ -92,6 +97,9 @@ export class AppComponent {
       };
       this.buildMenu();
     }));
+		this.subscriptions.push(this.quickContactService.isDisplayed.subscribe(display => {
+			this.showQuickContact = display;
+		}));
   }
   
   public ngOnDestroy() {

src/app/app.module.ts

@@ -12,6 +12,7 @@ import {CookieLawModule} from './openaireLibrary/sharedComponents/cookie-law/coo
 import {BottomModule} from './openaireLibrary/sharedComponents/bottom.module';
 import {ErrorModule} from './openaireLibrary/error/error.module';
 import {NavigationBarModule} from './openaireLibrary/sharedComponents/navigationBar.module';
+import {QuickContactModule} from './openaireLibrary/sharedComponents/quick-contact/quick-contact.module';
 import {DEFAULT_TIMEOUT, TimeoutInterceptor} from "./openaireLibrary/timeout-interceptor.service";
 import {Schema2jsonldModule} from "./openaireLibrary/sharedComponents/schema2jsonld/schema2jsonld.module";
 import {HttpInterceptorService} from "./openaireLibrary/http-interceptor.service";
@@ -28,6 +29,7 @@ import {SharedModule} from "./openaireLibrary/shared/shared.module";
     ErrorModule,
     FormsModule,
     NavigationBarModule,
+		QuickContactModule,
     BottomModule,
     CookieLawModule,
     BrowserTransferStateModule,

src/app/home/home.component.html

@@ -230,7 +230,7 @@
       </ng-template>
     </div>
   </div>
-  <div class="uk-section uk-container uk-container-large uk-margin-large-bottom uk-text-center">
+  <div id="last-section" class="uk-section uk-container uk-container-large uk-margin-large-bottom uk-text-center">
     <h2 class="uk-h1">
       Need more information? <br> Get in touch and let us help you<span class="uk-text-primary">.</span>
     </h2>

src/app/home/home.component.ts

@@ -1,4 +1,4 @@
-import {Component, ViewChild} from '@angular/core';
+import {Component, ViewChild, OnDestroy, AfterViewInit} from '@angular/core';
 import {ActivatedRoute, Router} from '@angular/router';
 import {Meta, Title} from '@angular/platform-browser';
 import {EnvProperties} from '../openaireLibrary/utils/properties/env-properties';
@@ -18,13 +18,14 @@ import {User} from "../openaireLibrary/login/utils/helper.class";
 import {UserManagementService} from "../openaireLibrary/services/user-management.service";
 import {properties} from "../../environments/environment";
 import {Subscriber} from "rxjs";
+import {QuickContactService} from '../openaireLibrary/sharedComponents/quick-contact/quick-contact.service';
 
 @Component({
   selector: 'home',
   templateUrl: 'home.component.html',
   styleUrls: ['home.component.css']
 })
-export class HomeComponent {
+export class HomeComponent implements OnDestroy, AfterViewInit {
   public pageTitle = "OpenAIRE | Monitor";
   public description = "OpenAIRE - Monitor, A new era of monitoring research. Open data. Open methodologies. Work together with us to view, understand and visualize research statistics and indicators.";
   public stakeholders: StakeholderInfo[] = [];
@@ -51,10 +52,12 @@ export class HomeComponent {
   public softwareSize: any = null;
   public otherSize: any = null;
   public fundersSize: any = null;
+	public showQuickContact: boolean = true;
   @ViewChild('AlertModal') modal;
   private errorMessages: ErrorMessagesComponent;
   private subscriptions = [];
   private user: User;
+	private observer: IntersectionObserver = null;
 
   constructor(
     private route: ActivatedRoute,
@@ -67,7 +70,9 @@ export class HomeComponent {
     private userManagementService: UserManagementService,
     private helper: HelperService,
     private seoService: SEOService,
-    private _refineFieldResultsService: RefineFieldResultsService, private _searchResearchResultsService: SearchResearchResultsService) {
+    private _refineFieldResultsService: RefineFieldResultsService,
+		private _searchResearchResultsService: SearchResearchResultsService,
+		private quickContactService: QuickContactService) {
     this._meta.updateTag({content: this.description}, "name='description'");
     this._meta.updateTag({content: this.description}, "property='og:description'");
     this._meta.updateTag({content: this.pageTitle}, "property='og:title'");
@@ -94,6 +99,41 @@ export class HomeComponent {
     }));
   }
 
+	OnDestroy() {
+    if (this.observer) {
+      this.observer.disconnect();
+    }
+  }
+
+	ngAfterViewInit() {
+    if (typeof document !== "undefined") {
+      this.createObserver();
+    }
+  }
+
+	createObserver() {
+		let target = document.querySelector('#last-section');
+		let options = {
+			root: null,
+			rootMargin: '200px',
+			threshold: 1.0
+		};
+		this.observer = new IntersectionObserver(entries => {
+			console.log(entries);
+			console.log(this.showQuickContact);
+			entries.forEach(entry => {
+				if(entry.isIntersecting && this.showQuickContact) {
+					this.showQuickContact = false;
+					this.quickContactService.setDisplay(this.showQuickContact);
+				} else if(!entry.isIntersecting && !this.showQuickContact) {
+					this.showQuickContact = true;
+					this.quickContactService.setDisplay(this.showQuickContact);
+				}
+			})
+		}, options);
+		this.observer.observe(target);
+	}
+
   private getPageContents() {
     this.subscriptions.push(this.helper.getPageHelpContents(this.properties, 'monitor', this._router.url).subscribe(contents => {
       this.pageContents = contents;

src/app/openaireLibrary

@@ -1 +1 @@
-Subproject commit 94519de68b284f1ef4014d0eaebf02ea9ba819d6
+Subproject commit f3ff37c74cf06a703b31927ee9322cc65917dcf0