1 /*
2 * Copyright (c) 2000, 2015, 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 sun.awt;
27
28 import java.awt.peer.TaskbarPeer;
29 import java.awt.*;
30 import java.awt.dnd.DragGestureEvent;
31 import java.awt.dnd.InvalidDnDOperationException;
32 import java.awt.dnd.peer.DragSourceContextPeer;
33 import java.awt.peer.*;
34
35 import sun.awt.datatransfer.DataTransferer;
36
37 final class LightweightPeerHolder {
38 static final LightweightPeer lightweightMarker = new NullComponentPeer();
39
40 private LightweightPeerHolder() {
41 }
42 }
43
44 /**
45 * Interface for component creation support in toolkits.
46 */
47 public interface ComponentFactory {
48
49 /**
50 * Creates a peer for a component or container. This peer is windowless and
51 * allows the Component and Container classes to be extended directly to
52 * create windowless components that are defined entirely in java.
53 *
420 default DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) {
421 throw new InvalidDnDOperationException("Headless environment");
422 }
423
424 /**
425 * Creates this toolkit's implementation of {@code Font} using the specified
426 * peer interface.
427 *
428 * @param name the font to be implemented
429 * @param style the style of the font, such as {@code PLAIN}, {@code BOLD},
430 * {@code ITALIC}, or a combination
431 * @return this toolkit's implementation of {@code Font}
432 * @see java.awt.Font
433 * @see java.awt.peer.FontPeer
434 * @see java.awt.GraphicsEnvironment#getAllFonts
435 */
436 default FontPeer getFontPeer(String name, int style) {
437 return null;
438 }
439
440 default RobotPeer createRobot(Robot target, GraphicsDevice screen)
441 throws AWTException {
442 throw new HeadlessException();
443 }
444
445 default DataTransferer getDataTransferer() {
446 return null;
447 }
448
449 /**
450 * Obtains this toolkit's implementation of helper class for {@code
451 * MouseInfo} operations.
452 *
453 * @return this toolkit's implementation of helper for {@code MouseInfo}
454 * @throws UnsupportedOperationException if this operation is not
455 * implemented
456 * @see java.awt.peer.MouseInfoPeer
457 * @see java.awt.MouseInfo
458 * @since 1.5
459 */
460 default MouseInfoPeer getMouseInfoPeer() {
461 throw new UnsupportedOperationException("Not implemented");
462 }
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1 /*
2 * Copyright (c) 2000, 2020, 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 sun.awt;
27
28 import java.awt.AWTException;
29 import java.awt.Button;
30 import java.awt.Canvas;
31 import java.awt.Checkbox;
32 import java.awt.CheckboxMenuItem;
33 import java.awt.Choice;
34 import java.awt.Component;
35 import java.awt.Desktop;
36 import java.awt.Dialog;
37 import java.awt.FileDialog;
38 import java.awt.Frame;
39 import java.awt.GraphicsDevice;
40 import java.awt.HeadlessException;
41 import java.awt.Label;
42 import java.awt.Menu;
43 import java.awt.MenuBar;
44 import java.awt.MenuItem;
45 import java.awt.Panel;
46 import java.awt.PopupMenu;
47 import java.awt.ScrollPane;
48 import java.awt.Scrollbar;
49 import java.awt.Taskbar;
50 import java.awt.TextArea;
51 import java.awt.TextField;
52 import java.awt.Window;
53 import java.awt.dnd.DragGestureEvent;
54 import java.awt.dnd.InvalidDnDOperationException;
55 import java.awt.dnd.peer.DragSourceContextPeer;
56 import java.awt.peer.ButtonPeer;
57 import java.awt.peer.CanvasPeer;
58 import java.awt.peer.CheckboxMenuItemPeer;
59 import java.awt.peer.CheckboxPeer;
60 import java.awt.peer.ChoicePeer;
61 import java.awt.peer.DesktopPeer;
62 import java.awt.peer.DialogPeer;
63 import java.awt.peer.FileDialogPeer;
64 import java.awt.peer.FontPeer;
65 import java.awt.peer.FramePeer;
66 import java.awt.peer.LabelPeer;
67 import java.awt.peer.LightweightPeer;
68 import java.awt.peer.ListPeer;
69 import java.awt.peer.MenuBarPeer;
70 import java.awt.peer.MenuItemPeer;
71 import java.awt.peer.MenuPeer;
72 import java.awt.peer.MouseInfoPeer;
73 import java.awt.peer.PanelPeer;
74 import java.awt.peer.PopupMenuPeer;
75 import java.awt.peer.RobotPeer;
76 import java.awt.peer.ScrollPanePeer;
77 import java.awt.peer.ScrollbarPeer;
78 import java.awt.peer.TaskbarPeer;
79 import java.awt.peer.TextAreaPeer;
80 import java.awt.peer.TextFieldPeer;
81 import java.awt.peer.WindowPeer;
82
83 import sun.awt.datatransfer.DataTransferer;
84
85 final class LightweightPeerHolder {
86 static final LightweightPeer lightweightMarker = new NullComponentPeer();
87
88 private LightweightPeerHolder() {
89 }
90 }
91
92 /**
93 * Interface for component creation support in toolkits.
94 */
95 public interface ComponentFactory {
96
97 /**
98 * Creates a peer for a component or container. This peer is windowless and
99 * allows the Component and Container classes to be extended directly to
100 * create windowless components that are defined entirely in java.
101 *
468 default DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) {
469 throw new InvalidDnDOperationException("Headless environment");
470 }
471
472 /**
473 * Creates this toolkit's implementation of {@code Font} using the specified
474 * peer interface.
475 *
476 * @param name the font to be implemented
477 * @param style the style of the font, such as {@code PLAIN}, {@code BOLD},
478 * {@code ITALIC}, or a combination
479 * @return this toolkit's implementation of {@code Font}
480 * @see java.awt.Font
481 * @see java.awt.peer.FontPeer
482 * @see java.awt.GraphicsEnvironment#getAllFonts
483 */
484 default FontPeer getFontPeer(String name, int style) {
485 return null;
486 }
487
488 /**
489 * Creates the peer for a Robot.
490 *
491 * @param screen the GraphicsDevice indicating the coordinate system the
492 * Robot will operate in
493 * @return the peer created
494 * @throws AWTException if the platform configuration does not allow
495 * low-level input control
496 */
497 default RobotPeer createRobot(GraphicsDevice screen) throws AWTException {
498 throw new AWTException(String.format("Unsupported device: %s", screen));
499 }
500
501 default DataTransferer getDataTransferer() {
502 return null;
503 }
504
505 /**
506 * Obtains this toolkit's implementation of helper class for {@code
507 * MouseInfo} operations.
508 *
509 * @return this toolkit's implementation of helper for {@code MouseInfo}
510 * @throws UnsupportedOperationException if this operation is not
511 * implemented
512 * @see java.awt.peer.MouseInfoPeer
513 * @see java.awt.MouseInfo
514 * @since 1.5
515 */
516 default MouseInfoPeer getMouseInfoPeer() {
517 throw new UnsupportedOperationException("Not implemented");
518 }
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