1 /*
2 * Copyright (c) 2011, 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 sun.lwawt.macosx;
27
28 import com.apple.laf.AquaMenuBarUI;
29 import java.awt.peer.TaskbarPeer;
30 import java.awt.*;
31 import java.awt.datatransfer.Clipboard;
32 import java.awt.dnd.*;
33 import java.awt.dnd.peer.DragSourceContextPeer;
34 import java.awt.event.InputEvent;
35 import java.awt.event.InvocationEvent;
36 import java.awt.event.KeyEvent;
37 import java.awt.font.TextAttribute;
38 import java.awt.im.InputMethodHighlight;
39 import java.awt.im.spi.InputMethodDescriptor;
40 import java.awt.peer.*;
41 import java.lang.reflect.*;
42 import java.net.URL;
43 import java.security.*;
44 import java.util.*;
45 import java.util.concurrent.Callable;
46 import java.net.MalformedURLException;
47 import javax.swing.UIManager;
48
49 import sun.awt.*;
50 import sun.awt.datatransfer.DataTransferer;
51 import sun.awt.util.ThreadGroupUtils;
52 import sun.java2d.opengl.OGLRenderQueue;
53 import sun.lwawt.*;
54 import sun.lwawt.LWWindowPeer.PeerType;
55 import sun.security.action.GetBooleanAction;
56
57 @SuppressWarnings("serial") // JDK implementation class
58 final class NamedCursor extends Cursor {
59 NamedCursor(String name) {
60 super(name);
61 }
62 }
63
64 /**
65 * Mac OS X Cocoa-based AWT Toolkit.
66 */
67 public final class LWCToolkit extends LWToolkit {
68 // While it is possible to enumerate all mouse devices
69 // and query them for the number of buttons, the code
70 // that does it is rather complex. Instead, we opt for
71 // the easy way and just support up to 5 mouse buttons,
72 // like Windows.
73 private static final int BUTTONS = 5;
74
75 private static native void initIDs();
76 private static native void initAppkit(ThreadGroup appKitThreadGroup, boolean headless);
77 private static CInputMethodDescriptor sInputMethodDescriptor;
78
79 static {
80 System.err.flush();
81
82 ResourceBundle platformResources = java.security.AccessController.doPrivileged(
83 new java.security.PrivilegedAction<ResourceBundle>() {
84 @Override
85 public ResourceBundle run() {
86 ResourceBundle platformResources = null;
87 try {
88 platformResources = ResourceBundle.getBundle("sun.awt.resources.awtosx");
89 } catch (MissingResourceException e) {
90 // No resource file; defaults will be used.
91 }
92
93 System.loadLibrary("awt");
94 System.loadLibrary("fontmanager");
95
96 return platformResources;
97 }
98 });
99
100 AWTAccessor.getToolkitAccessor().setPlatformResources(platformResources);
101
102 if (!GraphicsEnvironment.isHeadless()) {
103 initIDs();
104 }
105 inAWT = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
106 @Override
107 public Boolean run() {
108 return !Boolean.parseBoolean(System.getProperty("javafx.embed.singleThread", "false"));
109 }
110 });
111 }
112
113 /*
114 * If true we operate in normal mode and nested runloop is executed in JavaRunLoopMode
115 * If false we operate in singleThreaded FX/AWT interop mode and nested loop uses NSDefaultRunLoopMode
116 */
117 private static final boolean inAWT;
118
119 public LWCToolkit() {
120 areExtraMouseButtonsEnabled = Boolean.parseBoolean(System.getProperty("sun.awt.enableExtraMouseButtons", "true"));
121 //set system property if not yet assigned
122 System.setProperty("sun.awt.enableExtraMouseButtons", ""+areExtraMouseButtonsEnabled);
123 initAppkit(ThreadGroupUtils.getRootThreadGroup(), GraphicsEnvironment.isHeadless());
124 }
125
126 /*
127 * System colors with default initial values, overwritten by toolkit if system values differ and are available.
128 */
129 private static final int NUM_APPLE_COLORS = 3;
130 public static final int KEYBOARD_FOCUS_COLOR = 0;
131 public static final int INACTIVE_SELECTION_BACKGROUND_COLOR = 1;
132 public static final int INACTIVE_SELECTION_FOREGROUND_COLOR = 2;
133 private static int[] appleColors = {
134 0xFF808080, // keyboardFocusColor = Color.gray;
135 0xFFC0C0C0, // secondarySelectedControlColor
136 0xFF303030, // controlDarkShadowColor
137 };
138
139 private native void loadNativeColors(final int[] systemColors, final int[] appleColors);
140
141 @Override
142 protected void loadSystemColors(final int[] systemColors) {
143 if (systemColors == null) return;
144 loadNativeColors(systemColors, appleColors);
145 }
146
147 @SuppressWarnings("serial") // JDK implementation class
148 private static class AppleSpecificColor extends Color {
149 private final int index;
150 AppleSpecificColor(int index) {
151 super(appleColors[index]);
152 this.index = index;
153 }
154
155 @Override
156 public int getRGB() {
157 return appleColors[index];
158 }
159 }
160
161 /**
162 * Returns Apple specific colors that we may expose going forward.
163 */
164 public static Color getAppleColor(int color) {
165 return new AppleSpecificColor(color);
166 }
167
168 // This is only called from native code.
169 static void systemColorsChanged() {
170 EventQueue.invokeLater(() -> {
171 AccessController.doPrivileged( (PrivilegedAction<Object>) () -> {
172 AWTAccessor.getSystemColorAccessor().updateSystemColors();
173 return null;
174 });
175 });
176 }
177
178 public static LWCToolkit getLWCToolkit() {
179 return (LWCToolkit)Toolkit.getDefaultToolkit();
180 }
181
182 @Override
183 protected PlatformWindow createPlatformWindow(PeerType peerType) {
184 if (peerType == PeerType.EMBEDDED_FRAME) {
185 return new CPlatformEmbeddedFrame();
186 } else if (peerType == PeerType.VIEW_EMBEDDED_FRAME) {
187 return new CViewPlatformEmbeddedFrame();
188 } else if (peerType == PeerType.LW_FRAME) {
189 return new CPlatformLWWindow();
190 } else {
191 assert (peerType == PeerType.SIMPLEWINDOW
192 || peerType == PeerType.DIALOG
193 || peerType == PeerType.FRAME);
194 return new CPlatformWindow();
195 }
196 }
197
198 LWWindowPeer createEmbeddedFrame(CEmbeddedFrame target) {
199 PlatformComponent platformComponent = createPlatformComponent();
200 PlatformWindow platformWindow = createPlatformWindow(PeerType.EMBEDDED_FRAME);
201 return createDelegatedPeer(target, platformComponent, platformWindow, PeerType.EMBEDDED_FRAME);
202 }
203
204 LWWindowPeer createEmbeddedFrame(CViewEmbeddedFrame target) {
205 PlatformComponent platformComponent = createPlatformComponent();
206 PlatformWindow platformWindow = createPlatformWindow(PeerType.VIEW_EMBEDDED_FRAME);
207 return createDelegatedPeer(target, platformComponent, platformWindow, PeerType.VIEW_EMBEDDED_FRAME);
208 }
209
210 private CPrinterDialogPeer createCPrinterDialog(CPrinterDialog target) {
211 PlatformComponent platformComponent = createPlatformComponent();
212 PlatformWindow platformWindow = createPlatformWindow(PeerType.DIALOG);
213 CPrinterDialogPeer peer = new CPrinterDialogPeer(target, platformComponent, platformWindow);
214 targetCreatedPeer(target, peer);
215 return peer;
216 }
217
218 @Override
219 public DialogPeer createDialog(Dialog target) {
220 if (target instanceof CPrinterDialog) {
221 return createCPrinterDialog((CPrinterDialog)target);
222 }
223 return super.createDialog(target);
224 }
225
226 @Override
227 protected SecurityWarningWindow createSecurityWarning(Window ownerWindow,
228 LWWindowPeer ownerPeer) {
229 return new CWarningWindow(ownerWindow, ownerPeer);
230 }
231
232 @Override
233 protected PlatformComponent createPlatformComponent() {
234 return new CPlatformComponent();
235 }
236
237 @Override
238 protected PlatformComponent createLwPlatformComponent() {
239 return new CPlatformLWComponent();
240 }
241
242 @Override
243 protected FileDialogPeer createFileDialogPeer(FileDialog target) {
244 return new CFileDialog(target);
245 }
246
247 @Override
248 public MenuPeer createMenu(Menu target) {
249 MenuPeer peer = new CMenu(target);
250 targetCreatedPeer(target, peer);
251 return peer;
252 }
253
254 @Override
255 public MenuBarPeer createMenuBar(MenuBar target) {
256 MenuBarPeer peer = new CMenuBar(target);
257 targetCreatedPeer(target, peer);
258 return peer;
259 }
260
261 @Override
262 public MenuItemPeer createMenuItem(MenuItem target) {
263 MenuItemPeer peer = new CMenuItem(target);
264 targetCreatedPeer(target, peer);
265 return peer;
266 }
267
268 @Override
269 public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target) {
270 CheckboxMenuItemPeer peer = new CCheckboxMenuItem(target);
271 targetCreatedPeer(target, peer);
272 return peer;
273 }
274
275 @Override
276 public PopupMenuPeer createPopupMenu(PopupMenu target) {
277 PopupMenuPeer peer = new CPopupMenu(target);
278 targetCreatedPeer(target, peer);
279 return peer;
280 }
281
282 @Override
283 public SystemTrayPeer createSystemTray(SystemTray target) {
284 return new CSystemTray();
285 }
286
287 @Override
288 public TrayIconPeer createTrayIcon(TrayIcon target) {
289 TrayIconPeer peer = new CTrayIcon(target);
290 targetCreatedPeer(target, peer);
291 return peer;
292 }
293
294 @Override
295 public DesktopPeer createDesktopPeer(Desktop target) {
296 return new CDesktopPeer();
297 }
298
299 @Override
300 public TaskbarPeer createTaskbarPeer(Taskbar target) {
301 return new CTaskbarPeer();
302 }
303
304 @Override
305 public LWCursorManager getCursorManager() {
306 return CCursorManager.getInstance();
307 }
308
309 @Override
310 public Cursor createCustomCursor(final Image cursor, final Point hotSpot,
311 final String name)
312 throws IndexOutOfBoundsException, HeadlessException {
313 return new CCustomCursor(cursor, hotSpot, name);
314 }
315
316 @Override
317 public Dimension getBestCursorSize(final int preferredWidth,
318 final int preferredHeight)
319 throws HeadlessException {
320 return CCustomCursor.getBestCursorSize(preferredWidth, preferredHeight);
321 }
322
323 @Override
324 protected void platformCleanup() {
325 // TODO Auto-generated method stub
326 }
327
328 @Override
329 protected void platformInit() {
330 // TODO Auto-generated method stub
331 }
332
333 @Override
334 protected void platformRunMessage() {
335 // TODO Auto-generated method stub
336 }
337
338 @Override
339 protected void platformShutdown() {
340 // TODO Auto-generated method stub
341 }
342
343 class OSXPlatformFont extends sun.awt.PlatformFont
344 {
345 OSXPlatformFont(String name, int style)
346 {
347 super(name, style);
348 }
349 @Override
350 protected char getMissingGlyphCharacter()
351 {
352 // Follow up for real implementation
353 return (char)0xfff8; // see http://developer.apple.com/fonts/LastResortFont/
354 }
355 }
356 @Override
357 public FontPeer getFontPeer(String name, int style) {
358 return new OSXPlatformFont(name, style);
359 }
360
361 @Override
362 protected int getScreenHeight() {
363 return GraphicsEnvironment.getLocalGraphicsEnvironment()
364 .getDefaultScreenDevice().getDefaultConfiguration().getBounds().height;
365 }
366
367 @Override
368 protected int getScreenWidth() {
369 return GraphicsEnvironment.getLocalGraphicsEnvironment()
370 .getDefaultScreenDevice().getDefaultConfiguration().getBounds().width;
371 }
372
373 @Override
374 protected void initializeDesktopProperties() {
375 super.initializeDesktopProperties();
376 Map <Object, Object> fontHints = new HashMap<>();
377 fontHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
378 desktopProperties.put(SunToolkit.DESKTOPFONTHINTS, fontHints);
379 desktopProperties.put("awt.mouse.numButtons", BUTTONS);
380
381 // These DnD properties must be set, otherwise Swing ends up spewing NPEs
382 // all over the place. The values came straight off of MToolkit.
383 desktopProperties.put("DnD.Autoscroll.initialDelay", Integer.valueOf(50));
384 desktopProperties.put("DnD.Autoscroll.interval", Integer.valueOf(50));
385 desktopProperties.put("DnD.Autoscroll.cursorHysteresis", Integer.valueOf(5));
386
387 desktopProperties.put("DnD.isDragImageSupported", Boolean.TRUE);
388
389 // Register DnD cursors
390 desktopProperties.put("DnD.Cursor.CopyDrop", new NamedCursor("DnD.Cursor.CopyDrop"));
391 desktopProperties.put("DnD.Cursor.MoveDrop", new NamedCursor("DnD.Cursor.MoveDrop"));
392 desktopProperties.put("DnD.Cursor.LinkDrop", new NamedCursor("DnD.Cursor.LinkDrop"));
393 desktopProperties.put("DnD.Cursor.CopyNoDrop", new NamedCursor("DnD.Cursor.CopyNoDrop"));
394 desktopProperties.put("DnD.Cursor.MoveNoDrop", new NamedCursor("DnD.Cursor.MoveNoDrop"));
395 desktopProperties.put("DnD.Cursor.LinkNoDrop", new NamedCursor("DnD.Cursor.LinkNoDrop"));
396 }
397
398 @Override
399 protected boolean syncNativeQueue(long timeout) {
400 return nativeSyncQueue(timeout);
401 }
402
403 @Override
404 public native void beep();
405
406 @Override
407 public int getScreenResolution() throws HeadlessException {
408 return (int) ((CGraphicsDevice) GraphicsEnvironment
409 .getLocalGraphicsEnvironment().getDefaultScreenDevice())
410 .getXResolution();
411 }
412
413 @Override
414 public Insets getScreenInsets(final GraphicsConfiguration gc) {
415 return ((CGraphicsConfig) gc).getDevice().getScreenInsets();
416 }
417
418 @Override
419 public void sync() {
420 // flush the OGL pipeline (this is a no-op if OGL is not enabled)
421 OGLRenderQueue.sync();
422 // setNeedsDisplay() selector was sent to the appropriate CALayer so now
423 // we have to flush the native selectors queue.
424 flushNativeSelectors();
425 }
426
427 @Override
428 public RobotPeer createRobot(Robot target, GraphicsDevice screen) {
429 return new CRobot(target, (CGraphicsDevice)screen);
430 }
431
432 private native boolean isCapsLockOn();
433
434 /*
435 * NOTE: Among the keys this method is supposed to check,
436 * only Caps Lock works as a true locking key with OS X.
437 * There is no Scroll Lock key on modern Apple keyboards,
438 * and with a PC keyboard plugged in Scroll Lock is simply
439 * ignored: no LED lights up if you press it.
440 * The key located at the same position on Apple keyboards
441 * as Num Lock on PC keyboards is called Clear, doesn't lock
442 * anything and is used for entirely different purpose.
443 */
444 @Override
445 public boolean getLockingKeyState(int keyCode) throws UnsupportedOperationException {
446 switch (keyCode) {
447 case KeyEvent.VK_NUM_LOCK:
448 case KeyEvent.VK_SCROLL_LOCK:
449 case KeyEvent.VK_KANA_LOCK:
450 throw new UnsupportedOperationException("Toolkit.getLockingKeyState");
451
452 case KeyEvent.VK_CAPS_LOCK:
453 return isCapsLockOn();
454
455 default:
456 throw new IllegalArgumentException("invalid key for Toolkit.getLockingKeyState");
457 }
458 }
459
460 //Is it allowed to generate events assigned to extra mouse buttons.
461 //Set to true by default.
462 private static boolean areExtraMouseButtonsEnabled = true;
463
464 @Override
465 public boolean areExtraMouseButtonsEnabled() throws HeadlessException {
466 return areExtraMouseButtonsEnabled;
467 }
468
469 @Override
470 public int getNumberOfButtons(){
471 return BUTTONS;
472 }
473
474 @Override
475 public boolean isTraySupported() {
476 return true;
477 }
478
479 @Override
480 public DataTransferer getDataTransferer() {
481 return CDataTransferer.getInstanceImpl();
482 }
483
484 @Override
485 public boolean isAlwaysOnTopSupported() {
486 return true;
487 }
488
489 private static final String APPKIT_THREAD_NAME = "AppKit Thread";
490
491 // Intended to be called from the LWCToolkit.m only.
492 private static void installToolkitThreadInJava() {
493 Thread.currentThread().setName(APPKIT_THREAD_NAME);
494 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
495 Thread.currentThread().setContextClassLoader(null);
496 return null;
497 });
498 }
499
500 @Override
501 public boolean isWindowOpacitySupported() {
502 return true;
503 }
504
505 @Override
506 public boolean isFrameStateSupported(int state) throws HeadlessException {
507 switch (state) {
508 case Frame.NORMAL:
509 case Frame.ICONIFIED:
510 case Frame.MAXIMIZED_BOTH:
511 return true;
512 default:
513 return false;
514 }
515 }
516
517 /**
518 * Determines which modifier key is the appropriate accelerator
519 * key for menu shortcuts.
520 * <p>
521 * Menu shortcuts, which are embodied in the
522 * {@code MenuShortcut} class, are handled by the
523 * {@code MenuBar} class.
524 * <p>
525 * By default, this method returns {@code Event.CTRL_MASK}.
526 * Toolkit implementations should override this method if the
527 * <b>Control</b> key isn't the correct key for accelerators.
528 * @return the modifier mask on the {@code Event} class
529 * that is used for menu shortcuts on this toolkit.
530 * @see java.awt.MenuBar
531 * @see java.awt.MenuShortcut
532 * @since 1.1
533 */
534 @Override
535 @SuppressWarnings("deprecation")
536 public int getMenuShortcutKeyMask() {
537 return Event.META_MASK;
538 }
539
540 @Override
541 public Image getImage(final String filename) {
542 final Image nsImage = checkForNSImage(filename);
543 if (nsImage != null) {
544 return nsImage;
545 }
546
547 if (imageCached(filename)) {
548 return super.getImage(filename);
549 }
550
551 String filename2x = getScaledImageName(filename);
552 return (imageExists(filename2x))
553 ? getImageWithResolutionVariant(filename, filename2x)
554 : super.getImage(filename);
555 }
556
557 @Override
558 public Image getImage(URL url) {
559
560 if (imageCached(url)) {
561 return super.getImage(url);
562 }
563
564 URL url2x = getScaledImageURL(url);
565 return (imageExists(url2x))
566 ? getImageWithResolutionVariant(url, url2x) : super.getImage(url);
567 }
568
569 private static final String nsImagePrefix = "NSImage://";
570 private Image checkForNSImage(final String imageName) {
571 if (imageName == null) return null;
572 if (!imageName.startsWith(nsImagePrefix)) return null;
573 return CImage.getCreator().createImageFromName(imageName.substring(nsImagePrefix.length()));
574 }
575
576 // Thread-safe Object.equals() called from native
577 public static boolean doEquals(final Object a, final Object b, Component c) {
578 if (a == b) return true;
579
580 final boolean[] ret = new boolean[1];
581
582 try { invokeAndWait(new Runnable() { @Override
583 public void run() { synchronized(ret) {
584 ret[0] = a.equals(b);
585 }}}, c); } catch (Exception e) { e.printStackTrace(); }
586
587 synchronized(ret) { return ret[0]; }
588 }
589
590 public static <T> T invokeAndWait(final Callable<T> callable,
591 Component component) throws Exception {
592 final CallableWrapper<T> wrapper = new CallableWrapper<>(callable);
593 invokeAndWait(wrapper, component);
594 return wrapper.getResult();
595 }
596
597 static final class CallableWrapper<T> implements Runnable {
598 final Callable<T> callable;
599 T object;
600 Exception e;
601
602 CallableWrapper(final Callable<T> callable) {
603 this.callable = callable;
604 }
605
606 @Override
607 public void run() {
608 try {
609 object = callable.call();
610 } catch (final Exception e) {
611 this.e = e;
612 }
613 }
614
615 public T getResult() throws Exception {
616 if (e != null) throw e;
617 return object;
618 }
619 }
620
621 /**
622 * Kicks an event over to the appropriate event queue and waits for it to
623 * finish To avoid deadlocking, we manually run the NSRunLoop while waiting
624 * Any selector invoked using ThreadUtilities performOnMainThread will be
625 * processed in doAWTRunLoop The InvocationEvent will call
626 * LWCToolkit.stopAWTRunLoop() when finished, which will stop our manual
627 * run loop. Does not dispatch native events while in the loop
628 */
629 public static void invokeAndWait(Runnable runnable, Component component)
630 throws InvocationTargetException {
631 Objects.requireNonNull(component, "Null component provided to invokeAndWait");
632
633 long mediator = createAWTRunLoopMediator();
634 InvocationEvent invocationEvent =
635 new InvocationEvent(component,
636 runnable,
637 () -> {
638 if (mediator != 0) {
639 stopAWTRunLoop(mediator);
640 }
641 },
642 true);
643
644 AppContext appContext = SunToolkit.targetToAppContext(component);
645 SunToolkit.postEvent(appContext, invocationEvent);
646 // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
647 SunToolkit.flushPendingEvents(appContext);
648 doAWTRunLoop(mediator, false);
649
650 checkException(invocationEvent);
651 }
652
653 public static void invokeLater(Runnable event, Component component)
654 throws InvocationTargetException {
655 Objects.requireNonNull(component, "Null component provided to invokeLater");
656
657 InvocationEvent invocationEvent = new InvocationEvent(component, event);
658
659 AppContext appContext = SunToolkit.targetToAppContext(component);
660 SunToolkit.postEvent(SunToolkit.targetToAppContext(component), invocationEvent);
661 // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
662 SunToolkit.flushPendingEvents(appContext);
663
664 checkException(invocationEvent);
665 }
666
667 /**
668 * Checks if exception occurred while {@code InvocationEvent} was processed and rethrows it as
669 * an {@code InvocationTargetException}
670 *
671 * @param event the event to check for an exception
672 * @throws InvocationTargetException if exception occurred when event was processed
673 */
674 private static void checkException(InvocationEvent event) throws InvocationTargetException {
675 Throwable eventException = event.getException();
676 if (eventException == null) return;
677
678 if (eventException instanceof UndeclaredThrowableException) {
679 eventException = ((UndeclaredThrowableException)eventException).getUndeclaredThrowable();
680 }
681 throw new InvocationTargetException(eventException);
682 }
683
684 /**
685 * Schedules a {@code Runnable} execution on the Appkit thread after a delay
686 * @param r a {@code Runnable} to execute
687 * @param delay a delay in milliseconds
688 */
689 static native void performOnMainThreadAfterDelay(Runnable r, long delay);
690
691 // DnD support
692
693 @Override
694 public DragSourceContextPeer createDragSourceContextPeer(
695 DragGestureEvent dge) throws InvalidDnDOperationException {
696 final LightweightFrame f = SunToolkit.getLightweightFrame(dge.getComponent());
697 if (f != null) {
698 return f.createDragSourceContextPeer(dge);
699 }
700
701 return CDragSourceContextPeer.createDragSourceContextPeer(dge);
702 }
703
704 @Override
705 @SuppressWarnings("unchecked")
706 public <T extends DragGestureRecognizer> T createDragGestureRecognizer(
707 Class<T> abstractRecognizerClass, DragSource ds, Component c,
708 int srcActions, DragGestureListener dgl) {
709 final LightweightFrame f = SunToolkit.getLightweightFrame(c);
710 if (f != null) {
711 return f.createDragGestureRecognizer(abstractRecognizerClass, ds, c, srcActions, dgl);
712 }
713
714 DragGestureRecognizer dgr = null;
715
716 // Create a new mouse drag gesture recognizer if we have a class match:
717 if (MouseDragGestureRecognizer.class.equals(abstractRecognizerClass))
718 dgr = new CMouseDragGestureRecognizer(ds, c, srcActions, dgl);
719
720 return (T)dgr;
721 }
722
723 @Override
724 protected PlatformDropTarget createDropTarget(DropTarget dropTarget,
725 Component component,
726 LWComponentPeer<?, ?> peer) {
727 return new CDropTarget(dropTarget, component, peer);
728 }
729
730 // InputMethodSupport Method
731 /**
732 * Returns the default keyboard locale of the underlying operating system
733 */
734 @Override
735 public Locale getDefaultKeyboardLocale() {
736 Locale locale = CInputMethod.getNativeLocale();
737
738 if (locale == null) {
739 return super.getDefaultKeyboardLocale();
740 }
741
742 return locale;
743 }
744
745 @Override
746 public InputMethodDescriptor getInputMethodAdapterDescriptor() {
747 if (sInputMethodDescriptor == null)
748 sInputMethodDescriptor = new CInputMethodDescriptor();
749
750 return sInputMethodDescriptor;
751 }
752
753 /**
754 * Returns a map of visual attributes for thelevel description
755 * of the given input method highlight, or null if no mapping is found.
756 * The style field of the input method highlight is ignored. The map
757 * returned is unmodifiable.
758 * @param highlight input method highlight
759 * @return style attribute map, or null
760 * @since 1.3
761 */
762 @Override
763 public Map<TextAttribute, ?> mapInputMethodHighlight(InputMethodHighlight highlight) {
764 return CInputMethod.mapInputMethodHighlight(highlight);
765 }
766
767 /**
768 * Returns key modifiers used by Swing to set up a focus accelerator key
769 * stroke.
770 */
771 @Override
772 @SuppressWarnings("deprecation")
773 public int getFocusAcceleratorKeyMask() {
774 return InputEvent.CTRL_MASK | InputEvent.ALT_MASK;
775 }
776
777 /**
778 * Tests whether specified key modifiers mask can be used to enter a
779 * printable character.
780 */
781 @Override
782 @SuppressWarnings("deprecation")
783 public boolean isPrintableCharacterModifiersMask(int mods) {
784 return ((mods & (InputEvent.META_MASK | InputEvent.CTRL_MASK)) == 0);
785 }
786
787 /**
788 * Returns whether popup is allowed to be shown above the task bar.
789 */
790 @Override
791 public boolean canPopupOverlapTaskBar() {
792 return false;
793 }
794
795 private static Boolean sunAwtDisableCALayers = null;
796
797 /**
798 * Returns the value of "sun.awt.disableCALayers" property. Default
799 * value is {@code false}.
800 */
801 public static synchronized boolean getSunAwtDisableCALayers() {
802 if (sunAwtDisableCALayers == null) {
803 sunAwtDisableCALayers = AccessController.doPrivileged(
804 new GetBooleanAction("sun.awt.disableCALayers"));
805 }
806 return sunAwtDisableCALayers;
807 }
808
809 /*
810 * Returns true if the application (one of its windows) owns keyboard focus.
811 */
812 native boolean isApplicationActive();
813
814 /**
815 * Returns true if AWT toolkit is embedded, false otherwise.
816 *
817 * @return true if AWT toolkit is embedded, false otherwise
818 */
819 public static native boolean isEmbedded();
820
821 /*
822 * Activates application ignoring other apps.
823 */
824 public native void activateApplicationIgnoringOtherApps();
825
826 /************************
827 * Native methods section
828 ************************/
829
830 static native long createAWTRunLoopMediator();
831 /**
832 * Method to run a nested run-loop. The nested loop is spinned in the javaRunLoop mode, so selectors sent
833 * by [JNFRunLoop performOnMainThreadWaiting] are processed.
834 * @param mediator a native pointer to the mediator object created by createAWTRunLoopMediator
835 * @param processEvents if true - dispatches event while in the nested loop. Used in DnD.
836 * Additional attention is needed when using this feature as we short-circuit normal event
837 * processing which could break Appkit.
838 * (One known example is when the window is resized with the mouse)
839 *
840 * if false - all events come after exit form the nested loop
841 */
842 static void doAWTRunLoop(long mediator, boolean processEvents) {
843 doAWTRunLoopImpl(mediator, processEvents, inAWT);
844 }
845 private static native void doAWTRunLoopImpl(long mediator, boolean processEvents, boolean inAWT);
846 static native void stopAWTRunLoop(long mediator);
847
848 private native boolean nativeSyncQueue(long timeout);
849
850 /**
851 * Just spin a single empty block synchronously.
852 */
853 static native void flushNativeSelectors();
854
855 @Override
856 public Clipboard createPlatformClipboard() {
857 return new CClipboard("System");
858 }
859
860 @Override
861 public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {
862 return (exclusionType == null) ||
863 (exclusionType == Dialog.ModalExclusionType.NO_EXCLUDE) ||
864 (exclusionType == Dialog.ModalExclusionType.APPLICATION_EXCLUDE) ||
865 (exclusionType == Dialog.ModalExclusionType.TOOLKIT_EXCLUDE);
866 }
867
868 @Override
869 public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
870 //TODO: FileDialog blocks excluded windows...
871 //TODO: Test: 2 file dialogs, separate AppContexts: a) Dialog 1 blocked, shouldn't be. Frame 4 blocked (shouldn't be).
872 return (modalityType == null) ||
873 (modalityType == Dialog.ModalityType.MODELESS) ||
874 (modalityType == Dialog.ModalityType.DOCUMENT_MODAL) ||
875 (modalityType == Dialog.ModalityType.APPLICATION_MODAL) ||
876 (modalityType == Dialog.ModalityType.TOOLKIT_MODAL);
877 }
878
879 @Override
880 public boolean isWindowShapingSupported() {
881 return true;
882 }
883
884 @Override
885 public boolean isWindowTranslucencySupported() {
886 return true;
887 }
888
889 @Override
890 public boolean isTranslucencyCapable(GraphicsConfiguration gc) {
891 return true;
892 }
893
894 @Override
895 public boolean isSwingBackbufferTranslucencySupported() {
896 return true;
897 }
898
899 @Override
900 public boolean enableInputMethodsForTextComponent() {
901 return true;
902 }
903
904 private static URL getScaledImageURL(URL url) {
905 try {
906 String scaledImagePath = getScaledImageName(url.getPath());
907 return scaledImagePath == null ? null : new URL(url.getProtocol(),
908 url.getHost(), url.getPort(), scaledImagePath);
909 } catch (MalformedURLException e) {
910 return null;
911 }
912 }
913
914 private static String getScaledImageName(String path) {
915 if (!isValidPath(path)) {
916 return null;
917 }
918
919 int slash = path.lastIndexOf('/');
920 String name = (slash < 0) ? path : path.substring(slash + 1);
921
922 if (name.contains("@2x")) {
923 return null;
924 }
925
926 int dot = name.lastIndexOf('.');
927 String name2x = (dot < 0) ? name + "@2x"
928 : name.substring(0, dot) + "@2x" + name.substring(dot);
929 return (slash < 0) ? name2x : path.substring(0, slash + 1) + name2x;
930 }
931
932 private static boolean isValidPath(String path) {
933 return path != null &&
934 !path.isEmpty() &&
935 !path.endsWith("/") &&
936 !path.endsWith(".");
937 }
938
939 @Override
940 protected PlatformWindow getPlatformWindowUnderMouse() {
941 return CPlatformWindow.nativeGetTopmostPlatformWindowUnderMouse();
942 }
943
944 @Override
945 public void updateScreenMenuBarUI() {
946 if (AquaMenuBarUI.getScreenMenuBarProperty()) {
947 UIManager.put("MenuBarUI", "com.apple.laf.AquaMenuBarUI");
948 } else {
949 UIManager.put("MenuBarUI", null);
950 }
951 }
952 }