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/*
 * Copyright (c) 2009-2021 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 */
package com.jme3.input;

import java.awt.Component;
import java.util.Objects;

import com.jme3.app.Application;
import com.jme3.input.Input;
import com.jme3.input.RawInputListener;
import com.jme3.system.AWTContext;
import com.jme3.system.AWTTaskExecutor;

/**
 * The implementation of the {@link Input} dedicated to AWT {@link Component component}.
 * 

* This class is based on the JavaFX original code provided by Alexander Brui (see JME3-FX) *

* @author Julien Seinturier - COMEX SA - http://www.seinturier.fr * @author Alexander Brui (JavaSaBr) */ public class AWTInput implements Input { protected static final AWTTaskExecutor EXECUTOR = AWTTaskExecutor.getInstance(); /** * The context. */ protected final AWTContext context; /** * The raw listener. */ protected RawInputListener listener; /** * The input node. */ protected Component component; /** * The {@link Application JMonkey application} that provide the context. */ protected Application application; /** * Initializes is it. */ protected boolean initialized; public AWTInput(final AWTContext context) { this.context = context; } public void bind(final Component component) { this.component = component; Objects.requireNonNull(this.component, "bound Component cannot be null"); } public void unbind() { this.component = null; } @Override public void initialize() { if (isInitialized()) return; initializeImpl(); initialized = true; } protected void initializeImpl() { } @Override public void update() { if (!context.isRenderable()) return; updateImpl(); } protected void updateImpl() { } @Override public void destroy() { unbind(); } @Override public boolean isInitialized() { return initialized; } @Override public void setInputListener(RawInputListener listener) { this.listener = listener; } @Override public long getInputTimeNanos() { return System.nanoTime(); } }




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