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 jdk.swing.interop; 27 28 import java.awt.Cursor; 29 import java.awt.Image; 30 import java.awt.Point; 31 import java.awt.dnd.DragGestureEvent; 32 import java.awt.dnd.DragSourceContext; 33 import java.awt.dnd.InvalidDnDOperationException; 34 import java.awt.dnd.peer.DragSourceContextPeer; 35 import java.awt.datatransfer.Transferable; 36 import java.awt.datatransfer.DataFlavor; 37 import java.util.Map; 38 import sun.awt.dnd.SunDragSourceContextPeer; 39 40 /** 41 * This class provides a wrapper over inner DragSourceContextPeerProxy class 42 * which extends jdk internal sun.awt.dnd.SunDragSourceContextPeer class 43 * and provides APIs to be used by FX swing interop to access and use 44 * DragSourceContextPeer APIs. 45 */ 46 public class DragSourceContextWrapper { 47 private DragSourceContextPeerProxy dsp; 48 49 public DragSourceContextWrapper(DragGestureEvent e) { 50 dsp = new DragSourceContextPeerProxy(e); 51 } 52 53 DragSourceContextPeer getPeer() { 54 return dsp; 55 } 56 57 public static int convertModifiersToDropAction(int modifiers, 58 int supportedActions) { 59 return DragSourceContextPeerProxy. 60 convertModifiersToDropAction(modifiers, supportedActions); 61 } 62 63 protected void setNativeCursor(long nativeCtxt, Cursor c, int cType) {} 64 65 protected void startDrag(Transferable trans, long[] formats, 66 Map<Long, DataFlavor> formatMap) {} 67 68 public void startSecondaryEventLoop() {} 69 70 public void quitSecondaryEventLoop() {} 71 72 public void dragDropFinished(final boolean success, 73 final int operations, 74 final int x, final int y) { 75 dsp.dragDropFinishedCall(success, operations, x, y); 76 } 77 78 public DragSourceContext getDragSourceContext() { 79 return dsp.getDragSourceContextCall(); 80 } 81 82 private class DragSourceContextPeerProxy extends SunDragSourceContextPeer { 83 84 public DragSourceContextPeerProxy(DragGestureEvent e) { 85 super(e); 86 } 87 88 protected void startDrag(Transferable trans, long[] formats, 89 Map<Long, DataFlavor> formatMap) { 90 DragSourceContextWrapper.this.startDrag(trans, formats, formatMap); 91 } 92 93 protected void setNativeCursor(long nativeCtxt, Cursor c, int cType) { 94 DragSourceContextWrapper.this.setNativeCursor(nativeCtxt, c, cType); 95 } 96 97 public void startSecondaryEventLoop(){ 98 DragSourceContextWrapper.this.startSecondaryEventLoop(); 99 } 100 101 public void quitSecondaryEventLoop(){ 102 DragSourceContextWrapper.this.quitSecondaryEventLoop(); 103 } 104 105 protected void dragDropFinishedCall(final boolean success, 106 final int operations, 107 final int x, final int y) { 108 dragDropFinished(success, operations, x, y); 109 } 110 111 protected DragSourceContext getDragSourceContextCall() { 112 return getDragSourceContext(); 113 } 114 } 115 }