01 /*
02 * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.awt.dnd.peer;
27
28 import java.awt.Cursor;
29 import java.awt.Image;
30 import java.awt.Point;
31 import java.awt.dnd.DragSourceContext;
32 import java.awt.dnd.InvalidDnDOperationException;
33
34 /**
35 * <p>
36 * This interface is supplied by the underlying window system platform to
37 * expose the behaviors of the Drag and Drop system to an originator of
38 * the same
39 * </p>
40 *
41 * @version 1.24, 06/05/07
42 * @since 1.2
43 *
44 */
45
46 public interface DragSourceContextPeer {
47
48 /**
49 * start a drag
50 */
51
52 void startDrag(DragSourceContext dsc, Cursor c, Image dragImage,
53 Point imageOffset) throws InvalidDnDOperationException;
54
55 /**
56 * return the current drag cursor
57 */
58
59 Cursor getCursor();
60
61 /**
62 * set the current drag cursor
63 */
64
65 void setCursor(Cursor c) throws InvalidDnDOperationException;
66
67 /**
68 * notify the peer that the Transferables DataFlavors have changed
69 */
70
71 void transferablesFlavorsChanged();
72 }
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