[ADF-4865] Upload Dialog - row actions not accessible by keyboard alone (#5051)

* access upload dialog information by keyboard

* upload files actions keyboard accessibility

* aria labels translation keys

* refractor styling

* toggle action icons

* update docs

* e2e

* e2e update action reference

lib/content-services/upload/directives/toggle-icon.directive.spec.ts

@@ -0,0 +1,91 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * 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
+ *
+ *     http://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 } from '@angular/core';
+import { ToggleIconDirective } from './toggle-icon.directive';
+import { setupTestBed } from '@alfresco/adf-core';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+@Component({
+    selector: 'adf-test-component',
+    template: `
+       <button id="testButton" adf-toggle-icon>test</button>
+    `
+})
+class TestComponent {
+    @ViewChild(ToggleIconDirective) directive: ToggleIconDirective;
+}
+
+describe('ToggleIconDirective', () => {
+    let fixture: ComponentFixture<TestComponent>;
+    let component: TestComponent;
+
+    setupTestBed({
+        declarations: [
+            TestComponent,
+            ToggleIconDirective
+        ]
+    });
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(TestComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should set toggle to true on mouseenter', () => {
+        const button: HTMLElement = fixture.nativeElement.querySelector('#testButton');
+        button.dispatchEvent(new MouseEvent('mouseenter'));
+
+        expect(component.directive.isToggled).toBe(true);
+    });
+
+    it('should set toggle to false on mouseleave if element is not focused', () => {
+        const button: HTMLElement = fixture.nativeElement.querySelector('#testButton');
+        button.dispatchEvent(new MouseEvent('mouseleave'));
+
+        expect(component.directive.isToggled).toBe(false);
+    });
+
+    it('should set toggle and focus to false on mouseleave when element is focused', () => {
+        const button: HTMLElement = fixture.nativeElement.querySelector('#testButton');
+        button.dispatchEvent(new Event('focus'));
+        expect(component.directive.isToggled).toBe(true);
+
+        button.dispatchEvent(new MouseEvent('mouseleave'));
+
+        expect(component.directive.isToggled).toBe(false);
+        expect(component.directive.isFocused).toBe(false);
+    });
+
+    it('should set toggle and focus to true when element is focused', () => {
+        const button: HTMLElement = fixture.nativeElement.querySelector('#testButton');
+        button.dispatchEvent(new Event('focus'));
+
+        expect(component.directive.isToggled).toBe(true);
+        expect(component.directive.isFocused).toBe(true);
+    });
+
+    it('should set toggle and focus to true when element blur event', () => {
+        const button: HTMLElement = fixture.nativeElement.querySelector('#testButton');
+        button.dispatchEvent(new Event('focus'));
+        button.dispatchEvent(new Event('blur'));
+
+        expect(component.directive.isToggled).toBe(false);
+        expect(component.directive.isFocused).toBe(false);
+    });
+});