1 /*
2 * Copyright (c) 2013, 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.scene.input;
27
28 import javafx.scene.input.Dragboard;
29
30 /**
31 * Used to access internal methods of Dragboard.
32 */
33 public class DragboardHelper {
34 private static DragboardAccessor dragboardAccessor;
35
36 static {
37 forceInit(Dragboard.class);
38 }
39
40 private DragboardHelper() {
41 }
42
43 public static void setDataAccessRestriction(Dragboard dragboard,
44 boolean restricted) {
45 dragboardAccessor.setDataAccessRestriction(dragboard, restricted);
46 }
47
48 public static void setDragboardAccessor(final DragboardAccessor newAccessor) {
49 if (dragboardAccessor != null) {
50 throw new IllegalStateException();
51 }
52
53 dragboardAccessor = newAccessor;
54 }
55
56 public interface DragboardAccessor {
57 void setDataAccessRestriction(Dragboard dragboard, boolean restricted);
58 }
59
60 private static void forceInit(final Class<?> classToInit) {
61 try {
62 Class.forName(classToInit.getName(), true,
63 classToInit.getClassLoader());
64 } catch (final ClassNotFoundException e) {
65 throw new AssertionError(e); // Can't happen
66 }
67 }
68 }
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1 /*
2 * Copyright (c) 2013, 2016, 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.scene.input;
27
28 import com.sun.javafx.tk.TKClipboard;
29 import javafx.scene.input.Dragboard;
30
31 /**
32 * Used to access internal methods of Dragboard.
33 */
34 public class DragboardHelper {
35 private static DragboardAccessor dragboardAccessor;
36
37 static {
38 forceInit(Dragboard.class);
39 }
40
41 private DragboardHelper() {
42 }
43
44 public static void setDataAccessRestriction(Dragboard dragboard,
45 boolean restricted) {
46 dragboardAccessor.setDataAccessRestriction(dragboard, restricted);
47 }
48
49 public static TKClipboard getPeer(Dragboard dragboard) {
50 return dragboardAccessor.getPeer(dragboard);
51 }
52
53 public static Dragboard createDragboard(TKClipboard peer) {
54 return dragboardAccessor.createDragboard(peer);
55 }
56
57 public static void setDragboardAccessor(final DragboardAccessor newAccessor) {
58 if (dragboardAccessor != null) {
59 throw new IllegalStateException();
60 }
61
62 dragboardAccessor = newAccessor;
63 }
64
65 public interface DragboardAccessor {
66 void setDataAccessRestriction(Dragboard dragboard, boolean restricted);
67 TKClipboard getPeer(Dragboard dragboard);
68 Dragboard createDragboard(TKClipboard peer);
69 }
70
71 private static void forceInit(final Class<?> classToInit) {
72 try {
73 Class.forName(classToInit.getName(), true,
74 classToInit.getClassLoader());
75 } catch (final ClassNotFoundException e) {
76 throw new AssertionError(e); // Can't happen
77 }
78 }
79 }
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