bundles/common/org.eclipse.apogy.common.io.jinput/src-gen-custom/org/eclipse/apogy/common/io/jinput/impl/ApogyCommonIOJInputFacadeCustomImpl.java

/*******************************************************************************
 * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pierre Allard, 
 *     Regent L'Archeveque - initial API and implementation
 *     
 * SPDX-License-Identifier: EPL-1.0
 *     
 *******************************************************************************/
package org.eclipse.apogy.common.io.jinput.impl;

import org.eclipse.apogy.common.emf.transaction.ApogyCommonTransactionFacade;
import org.eclipse.apogy.common.io.jinput.Activator;
import org.eclipse.apogy.common.io.jinput.ApogyCommonIOJInputPackage;
import org.eclipse.apogy.common.io.jinput.EComponentQualifier;
import org.eclipse.apogy.common.io.jinput.EController;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.swt.widgets.Display;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import net.java.games.input.Controller;
import net.java.games.input.Event;
import net.java.games.input.EventQueue;

public class ApogyCommonIOJInputFacadeCustomImpl extends ApogyCommonIOJInputFacadeImpl {

	private static final Logger Logger = LoggerFactory.getLogger(ApogyCommonIOJInputFacadeImpl.class);

	private Adapter selectComponentAdapter;

	@Override
	public void startSelectComponent(EComponentQualifier eComponentQualifier) {
		/**
		 * Message to warn that there is already a controller selection running.
		 */
		if (isSelectingComponent()) {
			Logger.warn(
					"Component selection already started. \nUse ApogyCommonIOJInputFacade.INSTANCE.stopSelectComponent(eComponentQualifier) to stop a selection and prevent memory leaks.");
		}
		/**
		 * Clears the EventQueue for each controller. This is needed if there is still a
		 * button selected in the queue, this would select this button.
		 */
		for (EController eController : Activator.getEControllerEnvironment().getControllers()) {
			EventQueue queue = eController.getPojoController().getEventQueue();
			Event event = new Event();
			while (queue.getNextEvent(event)) {
			}
		}

		this.selectComponentAdapter = new AdapterImpl() {
			@Override
			public void notifyChanged(Notification msg) {
				/** Polls every controller */
				for (EController eController : Activator.getEControllerEnvironment().getControllers()) {

					Display.getDefault().asyncExec(new Runnable() {
						@Override
						public void run() {
							Controller controller = eController.getPojoController();

							controller.poll();
							EventQueue queue = controller.getEventQueue();
							Event event = new Event();

							while (queue.getNextEvent(event)) {
								/**
								 * If a value registered is higher than 0.5 or lower than -0.5, the
								 * EComponentQualifier is modified.
								 */
								if (Math.abs(event.getValue()) > 0.5) {
									ApogyCommonTransactionFacade.INSTANCE.basicSet(eComponentQualifier,
											ApogyCommonIOJInputPackage.Literals.ECOMPONENT_QUALIFIER__ECOMPONENT_NAME,
											event.getComponent().getName());
									ApogyCommonTransactionFacade.INSTANCE.basicSet(eComponentQualifier,
											ApogyCommonIOJInputPackage.Literals.ECOMPONENT_QUALIFIER__ECONTROLLER_NAME,
											eController.getName());
								}
							}
						}
					});
				}
				;
			}

		};
		Activator.getEControllerEnvironment().eAdapters().add(this.selectComponentAdapter);
		setSelectingComponent(true);
	}

	@Override
	public void stopSelectComponent(EComponentQualifier eComponentQualifier) {
		if (this.selectComponentAdapter != null) {
			Activator.getEControllerEnvironment().eAdapters().remove(this.selectComponentAdapter);
			this.selectComponentAdapter = null;
		}
		setSelectingComponent(false);
	}

} // ApogyCommonIOJInputFacadeImpl