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419 lines
16 KiB
Java
419 lines
16 KiB
Java
package org.simplericity.macify.eawt;
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/*
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* Copyright 2007 Eirik Bjorsnos.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import javax.imageio.ImageIO;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.io.*;
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import java.lang.reflect.*;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.net.MalformedURLException;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* Implements Application by calling the Mac OS X API through reflection.
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* If this class is used on a non-OS X platform the operations will have no effect or they will simulate
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* what the Apple API would do for those who manipulate state. ({@link #setEnabledAboutMenu(boolean)} etc.)
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*/
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@SuppressWarnings("unchecked")
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public class DefaultApplication implements Application {
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private Object application;
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private Class applicationListenerClass;
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Map listenerMap = Collections.synchronizedMap(new HashMap<Object, Object>());
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private boolean enabledAboutMenu = true;
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private boolean enabledPreferencesMenu;
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private boolean aboutMenuItemPresent = true;
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private boolean preferencesMenuItemPresent;
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private ClassLoader classLoader;
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public DefaultApplication() {
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try {
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final File file = new File("/System/Library/Java");
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if (file.exists()) {
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ClassLoader scl = ClassLoader.getSystemClassLoader();
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Class clc = scl.getClass();
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if (URLClassLoader.class.isAssignableFrom(clc)) {
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Method addUrl = URLClassLoader.class.getDeclaredMethod("addURL", new Class[]{URL.class});
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addUrl.setAccessible(true);
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addUrl.invoke(scl, new Object[]{file.toURI().toURL()});
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}
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}
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Class appClass = Class.forName("com.apple.eawt.Application");
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application = appClass.getMethod("getApplication", new Class[0]).invoke(null, new Object[0]);
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applicationListenerClass = Class.forName("com.apple.eawt.ApplicationListener");
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} catch (ClassNotFoundException e) {
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application = null;
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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throw new RuntimeException(e);
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} catch (MalformedURLException e) {
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throw new RuntimeException(e);
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}
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}
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public boolean isMac() {
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return application != null;
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}
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public void addAboutMenuItem() {
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if (isMac()) {
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callMethod(application, "addAboutMenuItem");
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} else {
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this.aboutMenuItemPresent = true;
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}
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}
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public void addApplicationListener(ApplicationListener applicationListener) {
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if (!Modifier.isPublic(applicationListener.getClass().getModifiers())) {
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throw new IllegalArgumentException("ApplicationListener must be a public class");
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}
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if (isMac()) {
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Object listener = Proxy.newProxyInstance(getClass().getClassLoader(),
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new Class[]{applicationListenerClass},
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new ApplicationListenerInvocationHandler(applicationListener));
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callMethod(application, "addApplicationListener", new Class[]{applicationListenerClass}, new Object[]{listener});
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listenerMap.put(applicationListener, listener);
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} else {
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listenerMap.put(applicationListener, applicationListener);
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}
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}
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public void addPreferencesMenuItem() {
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if (isMac()) {
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callMethod("addPreferencesMenuItem");
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} else {
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this.preferencesMenuItemPresent = true;
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}
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}
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public boolean getEnabledAboutMenu() {
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if (isMac()) {
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return callMethod("getEnabledAboutMenu").equals(Boolean.TRUE);
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} else {
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return enabledAboutMenu;
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}
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}
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public boolean getEnabledPreferencesMenu() {
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if (isMac()) {
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Object result = callMethod("getEnabledPreferencesMenu");
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return result.equals(Boolean.TRUE);
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} else {
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return enabledPreferencesMenu;
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}
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}
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public Point getMouseLocationOnScreen() {
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if (isMac()) {
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try {
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Method method = application.getClass().getMethod("getMouseLocationOnScreen", new Class[0]);
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return (Point) method.invoke(null, new Object[0]);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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throw new RuntimeException(e);
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}
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} else {
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return new Point(0, 0);
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}
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}
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public boolean isAboutMenuItemPresent() {
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if (isMac()) {
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return callMethod("isAboutMenuItemPresent").equals(Boolean.TRUE);
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} else {
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return aboutMenuItemPresent;
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}
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}
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public boolean isPreferencesMenuItemPresent() {
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if (isMac()) {
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return callMethod("isPreferencesMenuItemPresent").equals(Boolean.TRUE);
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} else {
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return this.preferencesMenuItemPresent;
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}
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}
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public void removeAboutMenuItem() {
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if (isMac()) {
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callMethod("removeAboutMenuItem");
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} else {
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this.aboutMenuItemPresent = false;
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}
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}
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public synchronized void removeApplicationListener(ApplicationListener applicationListener) {
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if (isMac()) {
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Object listener = listenerMap.get(applicationListener);
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callMethod(application, "removeApplicationListener", new Class[]{applicationListenerClass}, new Object[]{listener});
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}
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listenerMap.remove(applicationListener);
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}
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public void removePreferencesMenuItem() {
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if (isMac()) {
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callMethod("removeAboutMenuItem");
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} else {
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this.preferencesMenuItemPresent = false;
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}
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}
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public void setEnabledAboutMenu(boolean enabled) {
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if (isMac()) {
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callMethod(application, "setEnabledAboutMenu", new Class[]{Boolean.TYPE}, new Object[]{Boolean.valueOf(enabled)});
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} else {
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this.enabledAboutMenu = enabled;
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}
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}
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public void setEnabledPreferencesMenu(boolean enabled) {
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if (isMac()) {
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callMethod(application, "setEnabledPreferencesMenu", new Class[]{Boolean.TYPE}, new Object[]{Boolean.valueOf(enabled)});
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} else {
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this.enabledPreferencesMenu = enabled;
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}
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}
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public int requestUserAttention(int type) {
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if (type != REQUEST_USER_ATTENTION_TYPE_CRITICAL && type != REQUEST_USER_ATTENTION_TYPE_INFORMATIONAL) {
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throw new IllegalArgumentException("Requested user attention type is not allowed: " + type);
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}
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try {
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Object application = getNSApplication();
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Field critical = application.getClass().getField("UserAttentionRequestCritical");
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Field informational = application.getClass().getField("UserAttentionRequestInformational");
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Field actual = type == REQUEST_USER_ATTENTION_TYPE_CRITICAL ? critical : informational;
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return ((Integer) application.getClass().getMethod("requestUserAttention", new Class[]{Integer.TYPE}).invoke(application, new Object[]{actual.get(null)})).intValue();
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} catch (ClassNotFoundException e) {
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return -1;
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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throw new RuntimeException(e);
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} catch (NoSuchFieldException e) {
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throw new RuntimeException(e);
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}
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}
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public void cancelUserAttentionRequest(int request) {
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try {
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Object application = getNSApplication();
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application.getClass().getMethod("cancelUserAttentionRequest", new Class[]{Integer.TYPE}).invoke(application, new Object[]{new Integer(request)});
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} catch (ClassNotFoundException e) {
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// Nada
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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throw new RuntimeException(e);
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}
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}
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private Object getNSApplication() throws ClassNotFoundException {
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try {
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Class applicationClass = Class.forName("com.apple.cocoa.application.NSApplication");
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return applicationClass.getMethod("sharedApplication", new Class[0]).invoke(null, new Object[0]);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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throw new RuntimeException(e);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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}
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}
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public void setApplicationIconImage(BufferedImage image) {
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if (isMac()) {
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try {
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Method setDockIconImage = application.getClass().getMethod("setDockIconImage", Image.class);
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try {
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setDockIconImage.invoke(application, image);
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} catch (IllegalAccessException e) {
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} catch (InvocationTargetException e) {
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}
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} catch (NoSuchMethodException mnfe) {
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ByteArrayOutputStream stream = new ByteArrayOutputStream();
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try {
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ImageIO.write(image, "png", stream);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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try {
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Class nsDataClass = Class.forName("com.apple.cocoa.foundation.NSData");
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Constructor constructor = nsDataClass.getConstructor(new Class[]{new byte[0].getClass()});
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Object nsData = constructor.newInstance(new Object[]{stream.toByteArray()});
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Class nsImageClass = Class.forName("com.apple.cocoa.application.NSImage");
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Object nsImage = nsImageClass.getConstructor(new Class[]{nsDataClass}).newInstance(new Object[]{nsData});
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Object application = getNSApplication();
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application.getClass().getMethod("setApplicationIconImage", new Class[]{nsImageClass}).invoke(application, new Object[]{nsImage});
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} catch (ClassNotFoundException e) {
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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throw new RuntimeException(e);
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} catch (InstantiationException e) {
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throw new RuntimeException(e);
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}
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}
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}
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}
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public BufferedImage getApplicationIconImage() {
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if (isMac()) {
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try {
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Method getDockIconImage = application.getClass().getMethod("getDockIconImage");
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try {
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return (BufferedImage) getDockIconImage.invoke(application);
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} catch (IllegalAccessException e) {
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} catch (InvocationTargetException e) {
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}
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} catch (NoSuchMethodException nsme) {
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try {
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Class nsDataClass = Class.forName("com.apple.cocoa.foundation.NSData");
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Class nsImageClass = Class.forName("com.apple.cocoa.application.NSImage");
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Object application = getNSApplication();
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Object nsImage = application.getClass().getMethod("applicationIconImage", new Class[0]).invoke(application, new Object[0]);
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Object nsData = nsImageClass.getMethod("TIFFRepresentation", new Class[0]).invoke(nsImage, new Object[0]);
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Integer length = (Integer) nsDataClass.getMethod("length", new Class[0]).invoke(nsData, new Object[0]);
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byte[] bytes = (byte[]) nsDataClass.getMethod("bytes", new Class[]{Integer.TYPE, Integer.TYPE}).invoke(nsData, new Object[]{Integer.valueOf(0), length});
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BufferedImage image = ImageIO.read(new ByteArrayInputStream(bytes));
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return image;
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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throw new RuntimeException(e);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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}
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return null;
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}
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private Object callMethod(String methodname) {
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return callMethod(application, methodname, new Class[0], new Object[0]);
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}
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private Object callMethod(Object object, String methodname) {
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return callMethod(object, methodname, new Class[0], new Object[0]);
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}
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private Object callMethod(Object object, String methodname, Class[] classes, Object[] arguments) {
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try {
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if (classes == null) {
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classes = new Class[arguments.length];
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for (int i = 0; i < classes.length; i++) {
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classes[i] = arguments[i].getClass();
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}
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}
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Method addListnerMethod = object.getClass().getMethod(methodname, classes);
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return addListnerMethod.invoke(object, arguments);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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throw new RuntimeException(e);
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}
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}
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class ApplicationListenerInvocationHandler implements InvocationHandler {
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private ApplicationListener applicationListener;
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ApplicationListenerInvocationHandler(ApplicationListener applicationListener) {
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this.applicationListener = applicationListener;
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}
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public Object invoke(Object object, Method appleMethod, Object[] objects) throws Throwable {
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ApplicationEvent event = createApplicationEvent(objects[0]);
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try {
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Method method = applicationListener.getClass().getMethod(appleMethod.getName(), new Class[]{ApplicationEvent.class});
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return method.invoke(applicationListener, new Object[]{event});
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} catch (NoSuchMethodException e) {
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if (appleMethod.getName().equals("equals") && objects.length == 1) {
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return Boolean.valueOf(object == objects[0]);
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}
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return null;
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}
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}
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}
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private ApplicationEvent createApplicationEvent(final Object appleApplicationEvent) {
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return (ApplicationEvent) Proxy.newProxyInstance(getClass().getClassLoader(), new Class[]{ApplicationEvent.class}, new InvocationHandler() {
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public Object invoke(Object o, Method method, Object[] objects) throws Throwable {
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return appleApplicationEvent.getClass().getMethod(method.getName(), method.getParameterTypes()).invoke(appleApplicationEvent, objects);
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}
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});
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}
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}
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