1 /* 2 * Copyright (c) 1997, 2007, 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 java.awt.dnd.peer; 27 28 import java.awt.datatransfer.DataFlavor; 29 import java.awt.datatransfer.Transferable; 30 import java.awt.dnd.DropTarget; 31 import java.awt.dnd.InvalidDnDOperationException; 32 33 /** 34 * <p> 35 * This interface is exposed by the underlying window system platform to 36 * enable control of platform DnD operations 37 * </p> 38 * 39 * @since 1.2 40 * 41 */ 42 43 public interface DropTargetContextPeer { 44 45 /** 46 * update the peer's notion of the Target's actions 47 */ 48 49 void setTargetActions(int actions); 50 51 /** 52 * get the current Target actions 53 */ 54 55 int getTargetActions(); 56 57 /** 58 * get the DropTarget associated with this peer 59 */ 60 61 DropTarget getDropTarget(); 62 63 /** 64 * get the (remote) DataFlavors from the peer 65 */ 66 67 DataFlavor[] getTransferDataFlavors(); 68 69 /** 70 * get an input stream to the remote data 71 */ 72 73 Transferable getTransferable() throws InvalidDnDOperationException; 74 75 /** 76 * @return if the DragSource Transferable is in the same JVM as the Target 77 */ 78 79 boolean isTransferableJVMLocal(); 80 81 /** 82 * accept the Drag 83 */ 84 85 void acceptDrag(int dragAction); 86 87 /** 88 * reject the Drag 89 */ 90 91 void rejectDrag(); 92 93 /** 94 * accept the Drop 95 */ 96 97 void acceptDrop(int dropAction); 98 99 /** 100 * reject the Drop 101 */ 102 103 void rejectDrop(); 104 105 /** 106 * signal complete 107 */ 108 109 void dropComplete(boolean success); 110 111 }