1 /* 2 * Copyright (c) 2018, 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 com.sun.javafx.embed.swing.oldimpl; 27 28 import com.sun.javafx.application.PlatformImpl; 29 import javafx.application.Platform; 30 import com.sun.javafx.tk.Toolkit; 31 import java.awt.EventQueue; 32 import java.awt.SecondaryLoop; 33 import java.util.concurrent.atomic.AtomicBoolean; 34 35 import sun.awt.AWTAccessor; 36 import sun.awt.FwDispatcher; 37 38 import com.sun.javafx.embed.swing.SwingFXUtilsImplInterop; 39 40 public class SwingFXUtilsImplInteropO extends SwingFXUtilsImplInterop { 41 42 private static class FwSecondaryLoop implements SecondaryLoop { 43 44 private final AtomicBoolean isRunning = new AtomicBoolean(false); 45 46 @Override 47 public boolean enter() { 48 if (isRunning.compareAndSet(false, true)) { 49 PlatformImpl.runAndWait(() -> { 50 Toolkit.getToolkit().enterNestedEventLoop(FwSecondaryLoop.this); 51 }); 52 return true; 53 } 54 return false; 55 } 56 57 @Override 58 public boolean exit() { 59 if (isRunning.compareAndSet(true, false)) { 60 PlatformImpl.runAndWait(() -> { 61 Toolkit.getToolkit().exitNestedEventLoop(FwSecondaryLoop.this, null); 62 }); 63 return true; 64 } 65 return false; 66 } 67 } 68 69 private static class FXDispatcher implements FwDispatcher { 70 71 @Override 72 public boolean isDispatchThread() { 73 return Platform.isFxApplicationThread(); 74 } 75 76 @Override 77 public void scheduleDispatch(Runnable runnable) { 78 Platform.runLater(runnable); 79 } 80 81 @Override 82 public SecondaryLoop createSecondaryLoop() { 83 return new FwSecondaryLoop(); 84 } 85 } 86 87 public void setFwDispatcher(EventQueue eventQueue) { 88 AWTAccessor.getEventQueueAccessor().setFwDispatcher(eventQueue, new FXDispatcher()); 89 } 90 } 91