Make possible to know the registered detail views in a details view

In some cases, an app may need to act on a detail view registered by
another app or the core, for example, to add extra elements to the
element of the detail view.

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

apps/files/js/detailsview.js

@@ -300,6 +300,16 @@
 		addDetailView: function(detailView) {
 			this._detailFileInfoViews.push(detailView);
 			this._dirty = true;
+		},
+
+		/**
+		 * Returns an array with the added DetailFileInfoViews.
+		 *
+		 * @return Array<OCA.Files.DetailFileInfoView> an array with the added
+		 *         DetailFileInfoViews.
+		 */
+		getDetailViews: function() {
+			return [].concat(this._detailFileInfoViews);
 		}
 	});
 

apps/files/js/filelist.js

@@ -3018,6 +3018,21 @@
 			if (this.breadcrumb) {
 				this.breadcrumb.addDetailView(detailView);
 			}
+		},
+
+		/**
+		 * Returns the registered detail views.
+		 *
+		 * @return null|Array<OCA.Files.DetailFileInfoView> an array with the
+		 *         registered DetailFileInfoViews, or null if the details view
+		 *         is not enabled.
+		 */
+		getRegisteredDetailViews: function() {
+			if (this._detailsView) {
+				return this._detailsView.getDetailViews();
+			}
+
+			return null;
 		}
 	};
 

apps/files/tests/js/detailsviewSpec.js

@@ -35,6 +35,27 @@ describe('OCA.Files.DetailsView tests', function() {
 		expect(detailsView.$el.find('.tabsContainer').length).toEqual(1);
 	});
 	describe('file info detail view', function() {
+		it('returns registered view', function() {
+			var testView = new OCA.Files.DetailFileInfoView();
+			var testView2 = new OCA.Files.DetailFileInfoView();
+			detailsView.addDetailView(testView);
+			detailsView.addDetailView(testView2);
+
+			detailViews = detailsView.getDetailViews();
+
+			expect(detailViews).toContain(testView);
+			expect(detailViews).toContain(testView2);
+
+			// Modify array and check that registered detail views are not
+			// modified
+			detailViews.pop();
+			detailViews.pop();
+
+			detailViews = detailsView.getDetailViews();
+
+			expect(detailViews).toContain(testView);
+			expect(detailViews).toContain(testView2);
+		});
 		it('renders registered view', function() {
 			var testView = new OCA.Files.DetailFileInfoView();
 			var testView2 = new OCA.Files.DetailFileInfoView();

apps/files/tests/js/filelistSpec.js

@@ -2116,10 +2116,12 @@ describe('OCA.Files.FileList tests', function() {
 			beforeEach(function() {
 				addTabStub = sinon.stub(OCA.Files.DetailsView.prototype, 'addTabView');
 				addDetailStub = sinon.stub(OCA.Files.DetailsView.prototype, 'addDetailView');
+				getDetailsStub = sinon.stub(OCA.Files.DetailsView.prototype, 'getDetailViews');
 			});
 			afterEach(function() {
 				addTabStub.restore();
 				addDetailStub.restore();
+				getDetailsStub.restore();
 			});
 			it('forward the registered views to the underlying DetailsView', function() {
 				fileList.destroy();
@@ -2133,6 +2135,19 @@ describe('OCA.Files.FileList tests', function() {
 				// twice because the filelist already registers one by default
 				expect(addDetailStub.calledTwice).toEqual(true);
 			});
+			it('forward getting the registered views to the underlying DetailsView', function() {
+				fileList.destroy();
+				fileList = new OCA.Files.FileList($('#app-content-files'), {
+					detailsViewEnabled: true
+				});
+				var expectedRegisteredDetailsView = [];
+				getDetailsStub.returns(expectedRegisteredDetailsView);
+
+				var registeredDetailViews = fileList.getRegisteredDetailViews();
+
+				expect(getDetailsStub.calledOnce).toEqual(true);
+				expect(registeredDetailViews).toEqual(expectedRegisteredDetailsView);
+			});
 			it('does not error when registering panels when not details view configured', function() {
 				fileList.destroy();
 				fileList = new OCA.Files.FileList($('#app-content-files'), {
@@ -2144,6 +2159,17 @@ describe('OCA.Files.FileList tests', function() {
 				expect(addTabStub.notCalled).toEqual(true);
 				expect(addDetailStub.notCalled).toEqual(true);
 			});
+			it('returns null when getting the registered views when not details view configured', function() {
+				fileList.destroy();
+				fileList = new OCA.Files.FileList($('#app-content-files'), {
+					detailsViewEnabled: false
+				});
+
+				var registeredDetailViews = fileList.getRegisteredDetailViews();
+
+				expect(getDetailsStub.notCalled).toEqual(true);
+				expect(registeredDetailViews).toBeNull();
+			});
 		});
 		it('triggers file action when clicking on row if no details view configured', function() {
 			fileList.destroy();