1 /*
2 * Copyright (c) 2011, 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 sun.lwawt.macosx;
27
28 import java.awt.*;
29 import java.awt.datatransfer.Clipboard;
30 import java.awt.dnd.*;
31 import java.awt.dnd.peer.DragSourceContextPeer;
32 import java.awt.event.InputEvent;
33 import java.awt.event.InvocationEvent;
34 import java.awt.event.KeyEvent;
35 import java.awt.im.InputMethodHighlight;
36 import java.awt.peer.*;
37 import java.lang.reflect.*;
38 import java.security.*;
39 import java.util.*;
40 import java.util.concurrent.Callable;
41
42 import sun.awt.*;
43 import sun.lwawt.*;
44 import sun.lwawt.LWWindowPeer.PeerType;
45 import sun.security.action.GetBooleanAction;
46
47 import sun.util.CoreResourceBundleControl;
48
49 class NamedCursor extends Cursor {
50 NamedCursor(String name) {
51 super(name);
52 }
53 }
54
55 /**
56 * Mac OS X Cocoa-based AWT Toolkit.
57 */
58 public final class LWCToolkit extends LWToolkit {
59 // While it is possible to enumerate all mouse devices
60 // and query them for the number of buttons, the code
61 // that does it is rather complex. Instead, we opt for
62 // the easy way and just support up to 5 mouse buttons,
63 // like Windows.
64 private static final int BUTTONS = 5;
65
66 private static native void initIDs();
67
68 private static CInputMethodDescriptor sInputMethodDescriptor;
69
70 static {
71 System.err.flush();
72
73 ResourceBundle platformResources = java.security.AccessController.doPrivileged(
74 new java.security.PrivilegedAction<ResourceBundle>() {
75 public ResourceBundle run() {
76 ResourceBundle platformResources = null;
77 try {
78 platformResources =
79 ResourceBundle.getBundle("sun.awt.resources.awtosx",
80 CoreResourceBundleControl.getRBControlInstance());
81 } catch (MissingResourceException e) {
82 // No resource file; defaults will be used.
83 }
84
85 System.loadLibrary("awt");
86 System.loadLibrary("fontmanager");
87
88 return platformResources;
89 }
90 });
91
92 AWTAccessor.getToolkitAccessor().setPlatformResources(platformResources);
93
94 if (!GraphicsEnvironment.isHeadless()) {
95 initIDs();
96 }
97 inAWT = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
98 @Override
99 public Boolean run() {
100 return !Boolean.parseBoolean(System.getProperty("javafx.embed.singleThread", "false"));
101 }
102 });
103 }
104
105 /*
106 * If true we operate in normal mode and nested runloop is executed in JavaRunLoopMode
107 * If false we operate in singleThreaded FX/AWT interop mode and nested loop uses NSDefaultRunLoopMode
108 */
109 private static final boolean inAWT;
110
111 public LWCToolkit() {
112 SunToolkit.setDataTransfererClassName("sun.lwawt.macosx.CDataTransferer");
113
114 areExtraMouseButtonsEnabled = Boolean.parseBoolean(System.getProperty("sun.awt.enableExtraMouseButtons", "true"));
115 //set system property if not yet assigned
116 System.setProperty("sun.awt.enableExtraMouseButtons", ""+areExtraMouseButtonsEnabled);
117 }
118
119 /*
120 * System colors with default initial values, overwritten by toolkit if system values differ and are available.
121 */
122 private final static int NUM_APPLE_COLORS = 3;
123 public final static int KEYBOARD_FOCUS_COLOR = 0;
124 public final static int INACTIVE_SELECTION_BACKGROUND_COLOR = 1;
125 public final static int INACTIVE_SELECTION_FOREGROUND_COLOR = 2;
126 private static int[] appleColors = {
127 0xFF808080, // keyboardFocusColor = Color.gray;
128 0xFFC0C0C0, // secondarySelectedControlColor
129 0xFF303030, // controlDarkShadowColor
130 };
131
132 private native void loadNativeColors(final int[] systemColors, final int[] appleColors);
133
134 protected void loadSystemColors(final int[] systemColors) {
135 if (systemColors == null) return;
136 loadNativeColors(systemColors, appleColors);
137 }
138
139 private static class AppleSpecificColor extends Color {
140 int index;
141 public AppleSpecificColor(int index) {
142 super(appleColors[index]);
143 this.index = index;
144 }
145
146 public int getRGB() {
147 return appleColors[index];
148 }
149 }
150
151 /**
152 * Returns Apple specific colors that we may expose going forward.
153 *
154 */
155 public static Color getAppleColor(int color) {
156 return new AppleSpecificColor(color);
157 }
158
159 static void systemColorsChanged() {
160 // This is only called from native code.
161 EventQueue.invokeLater(new Runnable() {
162 public void run() {
163 AccessController.doPrivileged (new PrivilegedAction<Object>() {
164 public Object run() {
165 try {
166 final Method updateColorsMethod = SystemColor.class.getDeclaredMethod("updateSystemColors", new Class[0]);
167 updateColorsMethod.setAccessible(true);
168 updateColorsMethod.invoke(null, new Object[0]);
169 } catch (final Throwable e) {
170 e.printStackTrace();
171 // swallow this if something goes horribly wrong
172 }
173 return null;
174 }
175 });
176 }
177 });
178 }
179
180 public static LWCToolkit getLWCToolkit() {
181 return (LWCToolkit)Toolkit.getDefaultToolkit();
182 }
183
184 @Override
185 protected PlatformWindow createPlatformWindow(PeerType peerType) {
186 if (peerType == PeerType.EMBEDDED_FRAME) {
187 return new CPlatformEmbeddedFrame();
188 } else if (peerType == PeerType.VIEW_EMBEDDED_FRAME) {
189 return new CViewPlatformEmbeddedFrame();
190 } else if (peerType == PeerType.LW_FRAME) {
191 return new CPlatformLWWindow();
192 } else {
193 assert (peerType == PeerType.SIMPLEWINDOW || peerType == PeerType.DIALOG || peerType == PeerType.FRAME);
194 return new CPlatformWindow();
195 }
196 }
197
198 @Override
199 protected SecurityWarningWindow createSecurityWarning(Window ownerWindow, LWWindowPeer ownerPeer) {
200 return new CWarningWindow(ownerWindow, ownerPeer);
201 }
202
203 @Override
204 protected PlatformComponent createPlatformComponent() {
205 return new CPlatformComponent();
206 }
207
208 @Override
209 protected PlatformComponent createLwPlatformComponent() {
210 return new CPlatformLWComponent();
211 }
212
213 @Override
214 protected FileDialogPeer createFileDialogPeer(FileDialog target) {
215 return new CFileDialog(target);
216 }
217
218 @Override
219 public MenuPeer createMenu(Menu target) {
220 MenuPeer peer = new CMenu(target);
221 targetCreatedPeer(target, peer);
222 return peer;
223 }
224
225 @Override
226 public MenuBarPeer createMenuBar(MenuBar target) {
227 MenuBarPeer peer = new CMenuBar(target);
228 targetCreatedPeer(target, peer);
229 return peer;
230 }
231
232 @Override
233 public MenuItemPeer createMenuItem(MenuItem target) {
234 MenuItemPeer peer = new CMenuItem(target);
235 targetCreatedPeer(target, peer);
236 return peer;
237 }
238
239 @Override
240 public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target) {
241 CheckboxMenuItemPeer peer = new CCheckboxMenuItem(target);
242 targetCreatedPeer(target, peer);
243 return peer;
244 }
245
246 @Override
247 public PopupMenuPeer createPopupMenu(PopupMenu target) {
248 PopupMenuPeer peer = new CPopupMenu(target);
249 targetCreatedPeer(target, peer);
250 return peer;
251
252 }
253
254 @Override
255 public SystemTrayPeer createSystemTray(SystemTray target) {
256 SystemTrayPeer peer = new CSystemTray();
257 return peer;
258 }
259
260 @Override
261 public TrayIconPeer createTrayIcon(TrayIcon target) {
262 TrayIconPeer peer = new CTrayIcon(target);
263 targetCreatedPeer(target, peer);
264 return peer;
265 }
266
267 @Override
268 public LWCursorManager getCursorManager() {
269 return CCursorManager.getInstance();
270 }
271
272 @Override
273 public Cursor createCustomCursor(final Image cursor, final Point hotSpot, final String name) throws IndexOutOfBoundsException, HeadlessException {
274 return new CCustomCursor(cursor, hotSpot, name);
275 }
276
277 @Override
278 public Dimension getBestCursorSize(final int preferredWidth, final int preferredHeight) throws HeadlessException {
279 return CCustomCursor.getBestCursorSize(preferredWidth, preferredHeight);
280 }
281
282 @Override
283 protected void platformCleanup() {
284 // TODO Auto-generated method stub
285
286 }
287
288 @Override
289 protected void platformInit() {
290 // TODO Auto-generated method stub
291
292 }
293
294 @Override
295 protected void platformRunMessage() {
296 // TODO Auto-generated method stub
297
298 }
299
300 @Override
301 protected void platformShutdown() {
302 // TODO Auto-generated method stub
303
304 }
305
306 class OSXPlatformFont extends sun.awt.PlatformFont
307 {
308 public OSXPlatformFont(String name, int style)
309 {
310 super(name, style);
311 }
312 protected char getMissingGlyphCharacter()
313 {
314 // Follow up for real implementation
315 return (char)0xfff8; // see http://developer.apple.com/fonts/LastResortFont/
316 }
317 }
318 public FontPeer getFontPeer(String name, int style) {
319 return new OSXPlatformFont(name, style);
320 }
321
322 @Override
323 protected MouseInfoPeer createMouseInfoPeerImpl() {
324 return new CMouseInfoPeer();
325 }
326
327 @Override
328 protected int getScreenHeight() {
329 return GraphicsEnvironment.getLocalGraphicsEnvironment()
330 .getDefaultScreenDevice().getDefaultConfiguration().getBounds().height;
331 }
332
333 @Override
334 protected int getScreenWidth() {
335 return GraphicsEnvironment.getLocalGraphicsEnvironment()
336 .getDefaultScreenDevice().getDefaultConfiguration().getBounds().width;
337 }
338
339 @Override
340 protected void initializeDesktopProperties() {
341 super.initializeDesktopProperties();
342 Map <Object, Object> fontHints = new HashMap<Object, Object>();
343 fontHints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
344 fontHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
345 desktopProperties.put(SunToolkit.DESKTOPFONTHINTS, fontHints);
346 desktopProperties.put("awt.mouse.numButtons", BUTTONS);
347
348 // These DnD properties must be set, otherwise Swing ends up spewing NPEs
349 // all over the place. The values came straight off of MToolkit.
350 desktopProperties.put("DnD.Autoscroll.initialDelay", new Integer(50));
351 desktopProperties.put("DnD.Autoscroll.interval", new Integer(50));
352 desktopProperties.put("DnD.Autoscroll.cursorHysteresis", new Integer(5));
353
354 desktopProperties.put("DnD.isDragImageSupported", new Boolean(true));
355
356 // Register DnD cursors
357 desktopProperties.put("DnD.Cursor.CopyDrop", new NamedCursor("DnD.Cursor.CopyDrop"));
358 desktopProperties.put("DnD.Cursor.MoveDrop", new NamedCursor("DnD.Cursor.MoveDrop"));
359 desktopProperties.put("DnD.Cursor.LinkDrop", new NamedCursor("DnD.Cursor.LinkDrop"));
360 desktopProperties.put("DnD.Cursor.CopyNoDrop", new NamedCursor("DnD.Cursor.CopyNoDrop"));
361 desktopProperties.put("DnD.Cursor.MoveNoDrop", new NamedCursor("DnD.Cursor.MoveNoDrop"));
362 desktopProperties.put("DnD.Cursor.LinkNoDrop", new NamedCursor("DnD.Cursor.LinkNoDrop"));
363
364 }
365
366
367 /*
368 * The method returns true if some events were processed during that timeout.
369 * @see sun.awt.SunToolkit#syncNativeQueue(long)
370 */
371 @Override
372 protected boolean syncNativeQueue(long timeout) {
373 return nativeSyncQueue(timeout);
374 }
375
376 @Override
377 public native void beep();
378
379 @Override
380 public int getScreenResolution() throws HeadlessException {
381 return (int) ((CGraphicsDevice) GraphicsEnvironment
382 .getLocalGraphicsEnvironment().getDefaultScreenDevice())
383 .getXResolution();
384 }
385
386 @Override
387 public Insets getScreenInsets(final GraphicsConfiguration gc) {
388 return ((CGraphicsConfig) gc).getDevice().getScreenInsets();
389 }
390
391 @Override
392 public void sync() {
393 // TODO Auto-generated method stub
394
395 }
396
397 @Override
398 public RobotPeer createRobot(Robot target, GraphicsDevice screen) {
399 return new CRobot(target, (CGraphicsDevice)screen);
400 }
401
402 private native boolean isCapsLockOn();
403
404 /*
405 * NOTE: Among the keys this method is supposed to check,
406 * only Caps Lock works as a true locking key with OS X.
407 * There is no Scroll Lock key on modern Apple keyboards,
408 * and with a PC keyboard plugged in Scroll Lock is simply
409 * ignored: no LED lights up if you press it.
410 * The key located at the same position on Apple keyboards
411 * as Num Lock on PC keyboards is called Clear, doesn't lock
412 * anything and is used for entirely different purpose.
413 */
414 public boolean getLockingKeyState(int keyCode) throws UnsupportedOperationException {
415 switch (keyCode) {
416 case KeyEvent.VK_NUM_LOCK:
417 case KeyEvent.VK_SCROLL_LOCK:
418 case KeyEvent.VK_KANA_LOCK:
419 throw new UnsupportedOperationException("Toolkit.getLockingKeyState");
420
421 case KeyEvent.VK_CAPS_LOCK:
422 return isCapsLockOn();
423
424 default:
425 throw new IllegalArgumentException("invalid key for Toolkit.getLockingKeyState");
426 }
427 }
428
429 //Is it allowed to generate events assigned to extra mouse buttons.
430 //Set to true by default.
431 private static boolean areExtraMouseButtonsEnabled = true;
432
433 public boolean areExtraMouseButtonsEnabled() throws HeadlessException {
434 return areExtraMouseButtonsEnabled;
435 }
436
437 public int getNumberOfButtons(){
438 return BUTTONS;
439 }
440
441 @Override
442 public boolean isTraySupported() {
443 return true;
444 }
445
446 @Override
447 public boolean isAlwaysOnTopSupported() {
448 return true;
449 }
450
451 // Intended to be called from the LWCToolkit.m only.
452 private static void installToolkitThreadNameInJava() {
453 Thread.currentThread().setName(CThreading.APPKIT_THREAD_NAME);
454 }
455
456 @Override
457 public boolean isWindowOpacitySupported() {
458 return true;
459 }
460
461 @Override
462 public boolean isFrameStateSupported(int state) throws HeadlessException {
463 switch (state) {
464 case Frame.NORMAL:
465 case Frame.ICONIFIED:
466 case Frame.MAXIMIZED_BOTH:
467 return true;
468 default:
469 return false;
470 }
471 }
472
473 /**
474 * Determines which modifier key is the appropriate accelerator
475 * key for menu shortcuts.
476 * <p>
477 * Menu shortcuts, which are embodied in the
478 * <code>MenuShortcut</code> class, are handled by the
479 * <code>MenuBar</code> class.
480 * <p>
481 * By default, this method returns <code>Event.CTRL_MASK</code>.
482 * Toolkit implementations should override this method if the
483 * <b>Control</b> key isn't the correct key for accelerators.
484 * @return the modifier mask on the <code>Event</code> class
485 * that is used for menu shortcuts on this toolkit.
486 * @see java.awt.MenuBar
487 * @see java.awt.MenuShortcut
488 * @since JDK1.1
489 */
490 public int getMenuShortcutKeyMask() {
491 return Event.META_MASK;
492 }
493
494 @Override
495 public Image getImage(final String filename) {
496 final Image nsImage = checkForNSImage(filename);
497 if (nsImage != null) return nsImage;
498
499 return super.getImage(filename);
500 }
501
502 static final String nsImagePrefix = "NSImage://";
503 protected Image checkForNSImage(final String imageName) {
504 if (imageName == null) return null;
505 if (!imageName.startsWith(nsImagePrefix)) return null;
506 return CImage.getCreator().createImageFromName(imageName.substring(nsImagePrefix.length()));
507 }
508
509 // Thread-safe Object.equals() called from native
510 public static boolean doEquals(final Object a, final Object b, Component c) {
511 if (a == b) return true;
512
513 final boolean[] ret = new boolean[1];
514
515 try { invokeAndWait(new Runnable() { public void run() { synchronized(ret) {
516 ret[0] = a.equals(b);
517 }}}, c); } catch (Exception e) { e.printStackTrace(); }
518
519 synchronized(ret) { return ret[0]; }
520 }
521
522 public static <T> T invokeAndWait(final Callable<T> callable, Component component) throws Exception {
523 final CallableWrapper<T> wrapper = new CallableWrapper<T>(callable);
524 invokeAndWait(wrapper, component);
525 return wrapper.getResult();
526 }
527
528 static final class CallableWrapper<T> implements Runnable {
529 final Callable<T> callable;
530 T object;
531 Exception e;
532
533 public CallableWrapper(final Callable<T> callable) {
534 this.callable = callable;
535 }
536
537 public void run() {
538 try {
539 object = callable.call();
540 } catch (final Exception e) {
541 this.e = e;
542 }
543 }
544
545 public T getResult() throws Exception {
546 if (e != null) throw e;
547 return object;
548 }
549 }
550
551 // Kicks an event over to the appropriate eventqueue and waits for it to finish
552 // To avoid deadlocking, we manually run the NSRunLoop while waiting
553 // Any selector invoked using ThreadUtilities performOnMainThread will be processed in doAWTRunLoop
554 // The InvocationEvent will call LWCToolkit.stopAWTRunLoop() when finished, which will stop our manual runloop
555 // Does not dispatch native events while in the loop
556 public static void invokeAndWait(Runnable event, Component component) throws InterruptedException, InvocationTargetException {
557 final long mediator = createAWTRunLoopMediator();
558
559 InvocationEvent invocationEvent =
560 new InvocationEvent(component != null ? component : Toolkit.getDefaultToolkit(), event) {
561 @Override
562 public void dispatch() {
563 try {
564 super.dispatch();
565 } finally {
566 if (mediator != 0) {
567 stopAWTRunLoop(mediator);
568 }
569 }
570 }
571 };
572
573 if (component != null) {
574 AppContext appContext = SunToolkit.targetToAppContext(component);
575 SunToolkit.postEvent(appContext, invocationEvent);
576
577 // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
578 SunToolkit.flushPendingEvents(appContext);
579 } else {
580 // This should be the equivalent to EventQueue.invokeAndWait
581 ((LWCToolkit)Toolkit.getDefaultToolkit()).getSystemEventQueueForInvokeAndWait().postEvent(invocationEvent);
582 }
583
584 doAWTRunLoop(mediator, false);
585
586 Throwable eventException = invocationEvent.getException();
587 if (eventException != null) {
588 if (eventException instanceof UndeclaredThrowableException) {
589 eventException = ((UndeclaredThrowableException)eventException).getUndeclaredThrowable();
590 }
591 throw new InvocationTargetException(eventException);
592 }
593 }
594
595 public static void invokeLater(Runnable event, Component component) throws InvocationTargetException {
596 final InvocationEvent invocationEvent =
597 new InvocationEvent(component != null ? component : Toolkit.getDefaultToolkit(), event);
598
599 if (component != null) {
600 final AppContext appContext = SunToolkit.targetToAppContext(component);
601 SunToolkit.postEvent(appContext, invocationEvent);
602
603 // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
604 SunToolkit.flushPendingEvents(appContext);
605 } else {
606 // This should be the equivalent to EventQueue.invokeAndWait
607 ((LWCToolkit)Toolkit.getDefaultToolkit()).getSystemEventQueueForInvokeAndWait().postEvent(invocationEvent);
608 }
609
610 final Throwable eventException = invocationEvent.getException();
611 if (eventException == null) return;
612
613 if (eventException instanceof UndeclaredThrowableException) {
614 throw new InvocationTargetException(((UndeclaredThrowableException)eventException).getUndeclaredThrowable());
615 }
616 throw new InvocationTargetException(eventException);
617 }
618
619 // This exists purely to get around permissions issues with getSystemEventQueueImpl
620 EventQueue getSystemEventQueueForInvokeAndWait() {
621 return getSystemEventQueueImpl();
622 }
623
624
625 // DnD support
626
627 public DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException {
628 DragSourceContextPeer dscp = CDragSourceContextPeer.createDragSourceContextPeer(dge);
629
630 return dscp;
631 }
632
633 public <T extends DragGestureRecognizer> T createDragGestureRecognizer(Class<T> abstractRecognizerClass, DragSource ds, Component c, int srcActions, DragGestureListener dgl) {
634 DragGestureRecognizer dgr = null;
635
636 // Create a new mouse drag gesture recognizer if we have a class match:
637 if (MouseDragGestureRecognizer.class.equals(abstractRecognizerClass))
638 dgr = new CMouseDragGestureRecognizer(ds, c, srcActions, dgl);
639
640 return (T)dgr;
641 }
642
643 // InputMethodSupport Method
644 /**
645 * Returns the default keyboard locale of the underlying operating system
646 */
647 public Locale getDefaultKeyboardLocale() {
648 Locale locale = CInputMethod.getNativeLocale();
649
650 if (locale == null) {
651 return super.getDefaultKeyboardLocale();
652 }
653
654 return locale;
655 }
656
657 public java.awt.im.spi.InputMethodDescriptor getInputMethodAdapterDescriptor() {
658 if (sInputMethodDescriptor == null)
659 sInputMethodDescriptor = new CInputMethodDescriptor();
660
661 return sInputMethodDescriptor;
662 }
663
664 /**
665 * Returns a map of visual attributes for thelevel description
666 * of the given input method highlight, or null if no mapping is found.
667 * The style field of the input method highlight is ignored. The map
668 * returned is unmodifiable.
669 * @param highlight input method highlight
670 * @return style attribute map, or null
671 * @since 1.3
672 */
673 public Map mapInputMethodHighlight(InputMethodHighlight highlight) {
674 return CInputMethod.mapInputMethodHighlight(highlight);
675 }
676
677 /**
678 * Returns key modifiers used by Swing to set up a focus accelerator key stroke.
679 */
680 @Override
681 public int getFocusAcceleratorKeyMask() {
682 return InputEvent.CTRL_MASK | InputEvent.ALT_MASK;
683 }
684
685 /**
686 * Tests whether specified key modifiers mask can be used to enter a printable
687 * character.
688 */
689 @Override
690 public boolean isPrintableCharacterModifiersMask(int mods) {
691 return ((mods & (InputEvent.META_MASK | InputEvent.CTRL_MASK)) == 0);
692 }
693
694 /**
695 * Returns whether popup is allowed to be shown above the task bar.
696 */
697 @Override
698 public boolean canPopupOverlapTaskBar() {
699 return false;
700 }
701
702 private static Boolean sunAwtDisableCALayers = null;
703
704 /**
705 * Returns the value of "sun.awt.disableCALayers" property. Default
706 * value is {@code false}.
707 */
708 public synchronized static boolean getSunAwtDisableCALayers() {
709 if (sunAwtDisableCALayers == null) {
710 sunAwtDisableCALayers = AccessController.doPrivileged(
711 new GetBooleanAction("sun.awt.disableCALayers"));
712 }
713 return sunAwtDisableCALayers.booleanValue();
714 }
715
716
717 /*
718 * Returns true if the application (one of its windows) owns keyboard focus.
719 */
720 public native boolean isApplicationActive();
721
722 /************************
723 * Native methods section
724 ************************/
725
726 static native long createAWTRunLoopMediator();
727 /**
728 * Method to run a nested run-loop. The nested loop is spinned in the javaRunLoop mode, so selectors sent
729 * by [JNFRunLoop performOnMainThreadWaiting] are processed.
730 * @param mediator a native pointer to the mediator object created by createAWTRunLoopMediator
731 * @param processEvents if true - dispatches event while in the nested loop. Used in DnD.
732 * Additional attention is needed when using this feature as we short-circuit normal event
733 * processing which could break Appkit.
734 * (One known example is when the window is resized with the mouse)
735 *
736 * if false - all events come after exit form the nested loop
737 */
738 static void doAWTRunLoop(long mediator, boolean processEvents) {
739 doAWTRunLoopImpl(mediator, processEvents, inAWT);
740 }
741 static private native void doAWTRunLoopImpl(long mediator, boolean processEvents, boolean inAWT);
742 static native void stopAWTRunLoop(long mediator);
743
744 private native boolean nativeSyncQueue(long timeout);
745
746 @Override
747 public Clipboard createPlatformClipboard() {
748 return new CClipboard("System");
749 }
750
751 @Override
752 public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {
753 return (exclusionType == null) ||
754 (exclusionType == Dialog.ModalExclusionType.NO_EXCLUDE) ||
755 (exclusionType == Dialog.ModalExclusionType.APPLICATION_EXCLUDE) ||
756 (exclusionType == Dialog.ModalExclusionType.TOOLKIT_EXCLUDE);
757 }
758
759 @Override
760 public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
761 //TODO: FileDialog blocks excluded windows...
762 //TODO: Test: 2 file dialogs, separate AppContexts: a) Dialog 1 blocked, shouldn't be. Frame 4 blocked (shouldn't be).
763 return (modalityType == null) ||
764 (modalityType == Dialog.ModalityType.MODELESS) ||
765 (modalityType == Dialog.ModalityType.DOCUMENT_MODAL) ||
766 (modalityType == Dialog.ModalityType.APPLICATION_MODAL) ||
767 (modalityType == Dialog.ModalityType.TOOLKIT_MODAL);
768 }
769
770 @Override
771 public boolean isWindowShapingSupported() {
772 return true;
773 }
774
775 @Override
776 public boolean isWindowTranslucencySupported() {
777 return true;
778 }
779
780 @Override
781 public boolean isTranslucencyCapable(GraphicsConfiguration gc) {
782 return true;
783 }
784
785 public boolean isSwingBackbufferTranslucencySupported() {
786 return true;
787 }
788
789 @Override
790 public boolean enableInputMethodsForTextComponent() {
791 return true;
792 }
793 }