/**
 *                                                                            
 *  Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany) 
 *                                                                            
 *  All rights reserved. This program and the accompanying materials           
 *  are made available under the terms of the Eclipse Public License 2.0        
 *  which accompanies this distribution, and is available at                  
 *  https://www.eclipse.org/legal/epl-2.0/                                 
 *                                 
 *  SPDX-License-Identifier: EPL-2.0                                 
 *                                                                            
 *  Contributors:                                                      
 * 	   Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
 * 
 */
 package org.eclipse.osbp.ecview.extension.grid.tests.presentation;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import com.vaadin.server.VaadinRequest;
import com.vaadin.ui.UI;
import com.vaadin.ui.UIDetachedException;

@SuppressWarnings("serial")
public class DefaultUI extends UI {

	@Override
	protected void init(VaadinRequest request) {
		
	}

	@Override
	public void accessSynchronously(Runnable runnable)
			throws UIDetachedException {
		runnable.run();
	}

	@Override
	public Future<Void> access(Runnable runnable) {
		runnable.run();
		return new InternalFuture();
	}

	private static class InternalFuture implements Future<Void> {

		@Override
		public boolean cancel(boolean mayInterruptIfRunning) {
			return false;
		}

		@Override
		public boolean isCancelled() {
			return false;
		}

		@Override
		public boolean isDone() {
			return true;
		}

		@Override
		public Void get() throws InterruptedException, ExecutionException {
			return null;
		}

		@Override
		public Void get(long timeout, TimeUnit unit)
				throws InterruptedException, ExecutionException,
				TimeoutException {
			return null;
		}
	}
}