[ACA-4677] Added download functionality on DownloadPromptDialog (#8467)

* [ACA-4677] Added download functionality on DownloadPromptDialog

* [ACA-4677] Added downloadFile event emitter documentation to ViewerComponent README. Updated reference of NonResponsiveDialog to DownloadPromptDialog

* [ACA-4677] Corrected typo in documentation for downloadFile event

* [ACA-4677] Updated test case to check for method call via actual event handling instead of calling the method manually

lib/content-services/src/lib/viewer/components/alfresco-viewer.component.html

@@ -21,6 +21,7 @@
     [urlFile]="urlFileContent"
     [tracks]="tracks"
     [readOnly]="readOnly"
+    (downloadFile)="onDownloadFile()"
     (navigateBefore)="onNavigateBeforeClick($event)"
     (navigateNext)="onNavigateNextClick($event)"
     (showViewerChange)="onClose()"

lib/content-services/src/lib/viewer/components/alfresco-viewer.component.spec.ts

@@ -26,19 +26,20 @@ import { AppExtensionService, ViewerExtensionRef } from '@alfresco/adf-extension
 import { MatButtonModule } from '@angular/material/button';
 import { MatIconModule } from '@angular/material/icon';
 import { NodeEntry, VersionEntry } from '@alfresco/js-api';
-import { AlfrescoViewerComponent, RenditionService } from '@alfresco/adf-content-services';
+import { AlfrescoViewerComponent, NodeActionsService, RenditionService } from '@alfresco/adf-content-services';
 import {
     CoreTestingModule,
     setupTestBed,
     EventMock,
-    ViewUtilService
+    ViewUtilService, ViewerComponent
 } from '@alfresco/adf-core';
 import { NodesApiService } from '../../common/services/nodes-api.service';
 import { UploadService } from '../../common/services/upload.service';
 import { FileModel } from '../../common/models/file.model';
 import { throwError } from 'rxjs';
-import { Component } from '@angular/core';
+import { Component, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
 import { ESCAPE } from '@angular/cdk/keycodes';
+import { By } from '@angular/platform-browser';
 
 @Component({
     selector: 'adf-viewer-container-toolbar',
@@ -149,6 +150,7 @@ describe('AlfrescoViewerComponent', () => {
     let extensionService: AppExtensionService;
     let renditionService: RenditionService;
     let viewUtilService: ViewUtilService;
+    let nodeActionsService: NodeActionsService;
 
     setupTestBed({
         imports: [
@@ -174,7 +176,8 @@ describe('AlfrescoViewerComponent', () => {
             },
             {provide: Location, useClass: SpyLocation},
             MatDialog
-        ]
+        ],
+        schemas: [CUSTOM_ELEMENTS_SCHEMA]
     });
 
     beforeEach(() => {
@@ -188,6 +191,7 @@ describe('AlfrescoViewerComponent', () => {
         extensionService = TestBed.inject(AppExtensionService);
         renditionService = TestBed.inject(RenditionService);
         viewUtilService = TestBed.inject(ViewUtilService);
+        nodeActionsService = TestBed.inject(NodeActionsService);
     });
 
     afterEach(() => {
@@ -350,6 +354,15 @@ describe('AlfrescoViewerComponent', () => {
         expect(component.nodeId).toBe('id1');
     }));
 
+    it('should download file when downloadFile event is emitted', () => {
+        spyOn(nodeActionsService, 'downloadNode');
+        const viewerComponent = fixture.debugElement.query(By.directive(ViewerComponent));
+        viewerComponent.triggerEventHandler('downloadFile');
+
+        fixture.detectChanges();
+        expect(nodeActionsService.downloadNode).toHaveBeenCalled();
+    });
+
     describe('Viewer Example Component Rendering', () => {
 
         it('should use custom toolbar', (done) => {

lib/content-services/src/lib/viewer/components/alfresco-viewer.component.ts

@@ -60,6 +60,7 @@ import { ContentService } from '../../common/services/content.service';
 import { NodesApiService } from '../../common/services/nodes-api.service';
 import { UploadService } from '../../common/services/upload.service';
 import { FileModel } from '../../common/models/file.model';
+import { NodeActionsService } from '../../document-list';
 
 @Component({
     selector: 'adf-alfresco-viewer',
@@ -238,7 +239,8 @@ export class AlfrescoViewerComponent implements OnChanges, OnInit, OnDestroy {
                 private contentService: ContentService,
                 private uploadService: UploadService,
                 public dialog: MatDialog,
-                private cdr: ChangeDetectorRef) {
+                private cdr: ChangeDetectorRef,
+                private nodeActionsService: NodeActionsService) {
         renditionService.maxRetries = this.maxRetries;
 
     }
@@ -449,4 +451,7 @@ export class AlfrescoViewerComponent implements OnChanges, OnInit, OnDestroy {
         this.onDestroy$.complete();
     }
 
+    onDownloadFile() {
+        this.nodeActionsService.downloadNode(this.nodeEntry);
+    }
 }