1 /* 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javafx.embed.swing; 27 28 import java.awt.Component; 29 import java.awt.Frame; 30 import java.lang.reflect.Field; 31 32 import javafx.beans.value.ChangeListener; 33 import javafx.beans.value.ObservableValue; 34 35 class ProxyWindow extends Frame { 36 37 private static Field peer; 38 39 private static void initReflection() { 40 try { 41 peer = Component.class.getDeclaredField("peer"); 42 peer.setAccessible(true); 43 44 } catch (Exception e) { 45 e.printStackTrace(); 46 } 47 } 48 49 static { 50 initReflection(); 51 } 52 53 private SwingView proxyView; 54 55 ProxyWindow(SwingView proxyView) { 56 this.proxyView = proxyView; 57 58 try { 59 peer.set(this, new ProxyWindowPeer(this)); 60 61 } catch (Exception e) { 62 e.printStackTrace(); 63 } 64 proxyView.focusedProperty().addListener(new ChangeListener<Boolean>() { 65 66 @Override 67 public void changed(ObservableValue<? extends Boolean> obs, 68 Boolean oldValue, Boolean newValue) { 69 FXSwingKeyboardFocusManagerPeer peer = 70 FXSwingKeyboardFocusManagerPeer.getInstance(); 71 if (newValue) { 72 peer.focusGained(ProxyWindow.this); 73 } else { 74 peer.focusLost(ProxyWindow.this); 75 } 76 } 77 }); 78 } 79 80 @Override 81 public boolean isVisible() { 82 return proxyView.isVisible(); 83 } 84 @Override 85 public boolean isShowing() { 86 return proxyView.isVisible(); 87 } 88 89 @Override 90 public boolean isFocusTraversable() { 91 return proxyView.isFocusTraversable(); 92 } 93 94 SwingView getProxyView() { 95 return proxyView; 96 } 97 }