1 /*
2 * Copyright (c) 2011, 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.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.font.TextAttribute;
36 import java.awt.im.InputMethodHighlight;
37 import java.awt.im.spi.InputMethodDescriptor;
38 import java.awt.peer.*;
39 import java.lang.reflect.*;
40 import java.net.URL;
41 import java.security.*;
42 import java.util.*;
43 import java.util.concurrent.Callable;
44 import java.net.MalformedURLException;
45
46 import sun.awt.*;
47 import sun.awt.datatransfer.DataTransferer;
48 import sun.awt.util.ThreadGroupUtils;
49 import sun.java2d.opengl.OGLRenderQueue;
50 import sun.lwawt.*;
51 import sun.lwawt.LWWindowPeer.PeerType;
52 import sun.security.action.GetBooleanAction;
53
54 import sun.util.CoreResourceBundleControl;
55
56 @SuppressWarnings("serial") // JDK implementation class
57 final class NamedCursor extends Cursor {
58 NamedCursor(String name) {
59 super(name);
60 }
61 }
62
63 /**
64 * Mac OS X Cocoa-based AWT Toolkit.
65 */
66 public final class LWCToolkit extends LWToolkit {
67 // While it is possible to enumerate all mouse devices
68 // and query them for the number of buttons, the code
69 // that does it is rather complex. Instead, we opt for
70 // the easy way and just support up to 5 mouse buttons,
71 // like Windows.
72 private static final int BUTTONS = 5;
73
74 private static native void initIDs();
75 private static native void initAppkit(ThreadGroup appKitThreadGroup, boolean headless);
76 private static CInputMethodDescriptor sInputMethodDescriptor;
77
78 static {
79 System.err.flush();
80
81 ResourceBundle platformResources = java.security.AccessController.doPrivileged(
82 new java.security.PrivilegedAction<ResourceBundle>() {
83 @Override
84 public ResourceBundle run() {
85 ResourceBundle platformResources = null;
86 try {
87 platformResources =
88 ResourceBundle.getBundle("sun.awt.resources.awtosx",
89 CoreResourceBundleControl.getRBControlInstance());
90 } catch (MissingResourceException e) {
91 // No resource file; defaults will be used.
92 }
93
94 System.loadLibrary("awt");
95 System.loadLibrary("fontmanager");
96
97 return platformResources;
98 }
99 });
100
101 AWTAccessor.getToolkitAccessor().setPlatformResources(platformResources);
102
103 if (!GraphicsEnvironment.isHeadless()) {
104 initIDs();
105 }
106 inAWT = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
107 @Override
108 public Boolean run() {
109 return !Boolean.parseBoolean(System.getProperty("javafx.embed.singleThread", "false"));
110 }
111 });
112 }
113
114 /*
115 * If true we operate in normal mode and nested runloop is executed in JavaRunLoopMode
116 * If false we operate in singleThreaded FX/AWT interop mode and nested loop uses NSDefaultRunLoopMode
117 */
118 private static final boolean inAWT;
119
120 public LWCToolkit() {
121 areExtraMouseButtonsEnabled = Boolean.parseBoolean(System.getProperty("sun.awt.enableExtraMouseButtons", "true"));
122 //set system property if not yet assigned
123 System.setProperty("sun.awt.enableExtraMouseButtons", ""+areExtraMouseButtonsEnabled);
124 initAppkit(ThreadGroupUtils.getRootThreadGroup(), GraphicsEnvironment.isHeadless());
125 }
126
127 /*
128 * System colors with default initial values, overwritten by toolkit if system values differ and are available.
129 */
130 private static final int NUM_APPLE_COLORS = 3;
131 public static final int KEYBOARD_FOCUS_COLOR = 0;
132 public static final int INACTIVE_SELECTION_BACKGROUND_COLOR = 1;
133 public static final int INACTIVE_SELECTION_FOREGROUND_COLOR = 2;
134 private static int[] appleColors = {
135 0xFF808080, // keyboardFocusColor = Color.gray;
136 0xFFC0C0C0, // secondarySelectedControlColor
137 0xFF303030, // controlDarkShadowColor
138 };
139
140 private native void loadNativeColors(final int[] systemColors, final int[] appleColors);
141
142 @Override
143 protected void loadSystemColors(final int[] systemColors) {
144 if (systemColors == null) return;
145 loadNativeColors(systemColors, appleColors);
146 }
147
148 @SuppressWarnings("serial") // JDK implementation class
149 private static class AppleSpecificColor extends Color {
150 private final int index;
151 AppleSpecificColor(int index) {
152 super(appleColors[index]);
153 this.index = index;
154 }
155
156 @Override
157 public int getRGB() {
158 return appleColors[index];
159 }
160 }
161
162 /**
163 * Returns Apple specific colors that we may expose going forward.
164 */
165 public static Color getAppleColor(int color) {
166 return new AppleSpecificColor(color);
167 }
168
169 // This is only called from native code.
170 static void systemColorsChanged() {
171 EventQueue.invokeLater(() -> {
172 AccessController.doPrivileged( (PrivilegedAction<Object>) () -> {
173 AWTAccessor.getSystemColorAccessor().updateSystemColors();
174 return null;
175 });
176 });
177 }
178
179 public static LWCToolkit getLWCToolkit() {
180 return (LWCToolkit)Toolkit.getDefaultToolkit();
181 }
182
183 @Override
184 protected PlatformWindow createPlatformWindow(PeerType peerType) {
185 if (peerType == PeerType.EMBEDDED_FRAME) {
186 return new CPlatformEmbeddedFrame();
187 } else if (peerType == PeerType.VIEW_EMBEDDED_FRAME) {
188 return new CViewPlatformEmbeddedFrame();
189 } else if (peerType == PeerType.LW_FRAME) {
190 return new CPlatformLWWindow();
191 } else {
192 assert (peerType == PeerType.SIMPLEWINDOW
193 || peerType == PeerType.DIALOG
194 || peerType == PeerType.FRAME);
195 return new CPlatformWindow();
196 }
197 }
198
199 LWWindowPeer createEmbeddedFrame(CEmbeddedFrame target) {
200 PlatformComponent platformComponent = createPlatformComponent();
201 PlatformWindow platformWindow = createPlatformWindow(PeerType.EMBEDDED_FRAME);
202 return createDelegatedPeer(target, platformComponent, platformWindow, PeerType.EMBEDDED_FRAME);
203 }
204
205 LWWindowPeer createEmbeddedFrame(CViewEmbeddedFrame target) {
206 PlatformComponent platformComponent = createPlatformComponent();
207 PlatformWindow platformWindow = createPlatformWindow(PeerType.VIEW_EMBEDDED_FRAME);
208 return createDelegatedPeer(target, platformComponent, platformWindow, PeerType.VIEW_EMBEDDED_FRAME);
209 }
210
211 private CPrinterDialogPeer createCPrinterDialog(CPrinterDialog target) {
212 PlatformComponent platformComponent = createPlatformComponent();
213 PlatformWindow platformWindow = createPlatformWindow(PeerType.DIALOG);
214 CPrinterDialogPeer peer = new CPrinterDialogPeer(target, platformComponent, platformWindow);
215 targetCreatedPeer(target, peer);
216 return peer;
217 }
218
219 @Override
220 public DialogPeer createDialog(Dialog target) {
221 if (target instanceof CPrinterDialog) {
222 return createCPrinterDialog((CPrinterDialog)target);
223 }
224 return super.createDialog(target);
225 }
226
227 @Override
228 protected SecurityWarningWindow createSecurityWarning(Window ownerWindow,
229 LWWindowPeer ownerPeer) {
230 return new CWarningWindow(ownerWindow, ownerPeer);
231 }
232
233 @Override
234 protected PlatformComponent createPlatformComponent() {
235 return new CPlatformComponent();
236 }
237
238 @Override
239 protected PlatformComponent createLwPlatformComponent() {
240 return new CPlatformLWComponent();
241 }
242
243 @Override
244 protected FileDialogPeer createFileDialogPeer(FileDialog target) {
245 return new CFileDialog(target);
246 }
247
248 @Override
249 public MenuPeer createMenu(Menu target) {
250 MenuPeer peer = new CMenu(target);
251 targetCreatedPeer(target, peer);
252 return peer;
253 }
254
255 @Override
256 public MenuBarPeer createMenuBar(MenuBar target) {
257 MenuBarPeer peer = new CMenuBar(target);
258 targetCreatedPeer(target, peer);
259 return peer;
260 }
261
262 @Override
263 public MenuItemPeer createMenuItem(MenuItem target) {
264 MenuItemPeer peer = new CMenuItem(target);
265 targetCreatedPeer(target, peer);
266 return peer;
267 }
268
269 @Override
270 public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target) {
271 CheckboxMenuItemPeer peer = new CCheckboxMenuItem(target);
272 targetCreatedPeer(target, peer);
273 return peer;
274 }
275
276 @Override
277 public PopupMenuPeer createPopupMenu(PopupMenu target) {
278 PopupMenuPeer peer = new CPopupMenu(target);
279 targetCreatedPeer(target, peer);
280 return peer;
281 }
282
283 @Override
284 public SystemTrayPeer createSystemTray(SystemTray target) {
285 return new CSystemTray();
286 }
287
288 @Override
289 public TrayIconPeer createTrayIcon(TrayIcon target) {
290 TrayIconPeer peer = new CTrayIcon(target);
291 targetCreatedPeer(target, peer);
292 return peer;
293 }
294
295 @Override
296 public DesktopPeer createDesktopPeer(Desktop target) {
297 return new CDesktopPeer();
298 }
299
300 @Override
301 public TaskbarPeer createTaskbarPeer(Taskbar target) {
302 return new CTaskbarPeer();
303 }
304
305 @Override
306 public LWCursorManager getCursorManager() {
307 return CCursorManager.getInstance();
308 }
309
310 @Override
311 public Cursor createCustomCursor(final Image cursor, final Point hotSpot,
312 final String name)
313 throws IndexOutOfBoundsException, HeadlessException {
314 return new CCustomCursor(cursor, hotSpot, name);
315 }
316
317 @Override
318 public Dimension getBestCursorSize(final int preferredWidth,
319 final int preferredHeight)
320 throws HeadlessException {
321 return CCustomCursor.getBestCursorSize(preferredWidth, preferredHeight);
322 }
323
324 @Override
325 protected void platformCleanup() {
326 // TODO Auto-generated method stub
327 }
328
329 @Override
330 protected void platformInit() {
331 // TODO Auto-generated method stub
332 }
333
334 @Override
335 protected void platformRunMessage() {
336 // TODO Auto-generated method stub
337 }
338
339 @Override
340 protected void platformShutdown() {
341 // TODO Auto-generated method stub
342 }
343
344 class OSXPlatformFont extends sun.awt.PlatformFont
345 {
346 OSXPlatformFont(String name, int style)
347 {
348 super(name, style);
349 }
350 @Override
351 protected char getMissingGlyphCharacter()
352 {
353 // Follow up for real implementation
354 return (char)0xfff8; // see http://developer.apple.com/fonts/LastResortFont/
355 }
356 }
357 @Override
358 public FontPeer getFontPeer(String name, int style) {
359 return new OSXPlatformFont(name, style);
360 }
361
362 @Override
363 protected int getScreenHeight() {
364 return GraphicsEnvironment.getLocalGraphicsEnvironment()
365 .getDefaultScreenDevice().getDefaultConfiguration().getBounds().height;
366 }
367
368 @Override
369 protected int getScreenWidth() {
370 return GraphicsEnvironment.getLocalGraphicsEnvironment()
371 .getDefaultScreenDevice().getDefaultConfiguration().getBounds().width;
372 }
373
374 @Override
375 protected void initializeDesktopProperties() {
376 super.initializeDesktopProperties();
377 Map <Object, Object> fontHints = new HashMap<>();
378 fontHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
379 desktopProperties.put(SunToolkit.DESKTOPFONTHINTS, fontHints);
380 desktopProperties.put("awt.mouse.numButtons", BUTTONS);
381
382 // These DnD properties must be set, otherwise Swing ends up spewing NPEs
383 // all over the place. The values came straight off of MToolkit.
384 desktopProperties.put("DnD.Autoscroll.initialDelay", new Integer(50));
385 desktopProperties.put("DnD.Autoscroll.interval", new Integer(50));
386 desktopProperties.put("DnD.Autoscroll.cursorHysteresis", new Integer(5));
387
388 desktopProperties.put("DnD.isDragImageSupported", Boolean.TRUE);
389
390 // Register DnD cursors
391 desktopProperties.put("DnD.Cursor.CopyDrop", new NamedCursor("DnD.Cursor.CopyDrop"));
392 desktopProperties.put("DnD.Cursor.MoveDrop", new NamedCursor("DnD.Cursor.MoveDrop"));
393 desktopProperties.put("DnD.Cursor.LinkDrop", new NamedCursor("DnD.Cursor.LinkDrop"));
394 desktopProperties.put("DnD.Cursor.CopyNoDrop", new NamedCursor("DnD.Cursor.CopyNoDrop"));
395 desktopProperties.put("DnD.Cursor.MoveNoDrop", new NamedCursor("DnD.Cursor.MoveNoDrop"));
396 desktopProperties.put("DnD.Cursor.LinkNoDrop", new NamedCursor("DnD.Cursor.LinkNoDrop"));
397 }
398
399 @Override
400 protected boolean syncNativeQueue(long timeout) {
401 return nativeSyncQueue(timeout);
402 }
403
404 @Override
405 public native void beep();
406
407 @Override
408 public int getScreenResolution() throws HeadlessException {
409 return (int) ((CGraphicsDevice) GraphicsEnvironment
410 .getLocalGraphicsEnvironment().getDefaultScreenDevice())
411 .getXResolution();
412 }
413
414 @Override
415 public Insets getScreenInsets(final GraphicsConfiguration gc) {
416 return ((CGraphicsConfig) gc).getDevice().getScreenInsets();
417 }
418
419 @Override
420 public void sync() {
421 // flush the OGL pipeline (this is a no-op if OGL is not enabled)
422 OGLRenderQueue.sync();
423 // setNeedsDisplay() selector was sent to the appropriate CALayer so now
424 // we have to flush the native selectors queue.
425 flushNativeSelectors();
426 }
427
428 @Override
429 public RobotPeer createRobot(Robot target, GraphicsDevice screen) {
430 return new CRobot(target, (CGraphicsDevice)screen);
431 }
432
433 private native boolean isCapsLockOn();
434
435 /*
436 * NOTE: Among the keys this method is supposed to check,
437 * only Caps Lock works as a true locking key with OS X.
438 * There is no Scroll Lock key on modern Apple keyboards,
439 * and with a PC keyboard plugged in Scroll Lock is simply
440 * ignored: no LED lights up if you press it.
441 * The key located at the same position on Apple keyboards
442 * as Num Lock on PC keyboards is called Clear, doesn't lock
443 * anything and is used for entirely different purpose.
444 */
445 @Override
446 public boolean getLockingKeyState(int keyCode) throws UnsupportedOperationException {
447 switch (keyCode) {
448 case KeyEvent.VK_NUM_LOCK:
449 case KeyEvent.VK_SCROLL_LOCK:
450 case KeyEvent.VK_KANA_LOCK:
451 throw new UnsupportedOperationException("Toolkit.getLockingKeyState");
452
453 case KeyEvent.VK_CAPS_LOCK:
454 return isCapsLockOn();
455
456 default:
457 throw new IllegalArgumentException("invalid key for Toolkit.getLockingKeyState");
458 }
459 }
460
461 //Is it allowed to generate events assigned to extra mouse buttons.
462 //Set to true by default.
463 private static boolean areExtraMouseButtonsEnabled = true;
464
465 @Override
466 public boolean areExtraMouseButtonsEnabled() throws HeadlessException {
467 return areExtraMouseButtonsEnabled;
468 }
469
470 @Override
471 public int getNumberOfButtons(){
472 return BUTTONS;
473 }
474
475 @Override
476 public boolean isTraySupported() {
477 return true;
478 }
479
480 @Override
481 public DataTransferer getDataTransferer() {
482 return CDataTransferer.getInstanceImpl();
483 }
484
485 @Override
486 public boolean isAlwaysOnTopSupported() {
487 return true;
488 }
489
490 private static final String APPKIT_THREAD_NAME = "AppKit Thread";
491
492 // Intended to be called from the LWCToolkit.m only.
493 private static void installToolkitThreadInJava() {
494 Thread.currentThread().setName(APPKIT_THREAD_NAME);
495 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
496 Thread.currentThread().setContextClassLoader(null);
497 return null;
498 });
499 }
500
501 @Override
502 public boolean isWindowOpacitySupported() {
503 return true;
504 }
505
506 @Override
507 public boolean isFrameStateSupported(int state) throws HeadlessException {
508 switch (state) {
509 case Frame.NORMAL:
510 case Frame.ICONIFIED:
511 case Frame.MAXIMIZED_BOTH:
512 return true;
513 default:
514 return false;
515 }
516 }
517
518 /**
519 * Determines which modifier key is the appropriate accelerator
520 * key for menu shortcuts.
521 * <p>
522 * Menu shortcuts, which are embodied in the
523 * <code>MenuShortcut</code> class, are handled by the
524 * <code>MenuBar</code> class.
525 * <p>
526 * By default, this method returns <code>Event.CTRL_MASK</code>.
527 * Toolkit implementations should override this method if the
528 * <b>Control</b> key isn't the correct key for accelerators.
529 * @return the modifier mask on the <code>Event</code> class
530 * that is used for menu shortcuts on this toolkit.
531 * @see java.awt.MenuBar
532 * @see java.awt.MenuShortcut
533 * @since 1.1
534 */
535 @Override
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 public int getFocusAcceleratorKeyMask() {
773 return InputEvent.CTRL_MASK | InputEvent.ALT_MASK;
774 }
775
776 /**
777 * Tests whether specified key modifiers mask can be used to enter a
778 * printable character.
779 */
780 @Override
781 public boolean isPrintableCharacterModifiersMask(int mods) {
782 return ((mods & (InputEvent.META_MASK | InputEvent.CTRL_MASK)) == 0);
783 }
784
785 /**
786 * Returns whether popup is allowed to be shown above the task bar.
787 */
788 @Override
789 public boolean canPopupOverlapTaskBar() {
790 return false;
791 }
792
793 private static Boolean sunAwtDisableCALayers = null;
794
795 /**
796 * Returns the value of "sun.awt.disableCALayers" property. Default
797 * value is {@code false}.
798 */
799 public static synchronized boolean getSunAwtDisableCALayers() {
800 if (sunAwtDisableCALayers == null) {
801 sunAwtDisableCALayers = AccessController.doPrivileged(
802 new GetBooleanAction("sun.awt.disableCALayers"));
803 }
804 return sunAwtDisableCALayers;
805 }
806
807 /*
808 * Returns true if the application (one of its windows) owns keyboard focus.
809 */
810 native boolean isApplicationActive();
811
812 /**
813 * Returns true if AWT toolkit is embedded, false otherwise.
814 *
815 * @return true if AWT toolkit is embedded, false otherwise
816 */
817 public static native boolean isEmbedded();
818
819 /*
820 * Activates application ignoring other apps.
821 */
822 public native void activateApplicationIgnoringOtherApps();
823
824 /************************
825 * Native methods section
826 ************************/
827
828 static native long createAWTRunLoopMediator();
829 /**
830 * Method to run a nested run-loop. The nested loop is spinned in the javaRunLoop mode, so selectors sent
831 * by [JNFRunLoop performOnMainThreadWaiting] are processed.
832 * @param mediator a native pointer to the mediator object created by createAWTRunLoopMediator
833 * @param processEvents if true - dispatches event while in the nested loop. Used in DnD.
834 * Additional attention is needed when using this feature as we short-circuit normal event
835 * processing which could break Appkit.
836 * (One known example is when the window is resized with the mouse)
837 *
838 * if false - all events come after exit form the nested loop
839 */
840 static void doAWTRunLoop(long mediator, boolean processEvents) {
841 doAWTRunLoopImpl(mediator, processEvents, inAWT);
842 }
843 private static native void doAWTRunLoopImpl(long mediator, boolean processEvents, boolean inAWT);
844 static native void stopAWTRunLoop(long mediator);
845
846 private native boolean nativeSyncQueue(long timeout);
847
848 /**
849 * Just spin a single empty block synchronously.
850 */
851 static native void flushNativeSelectors();
852
853 @Override
854 public Clipboard createPlatformClipboard() {
855 return new CClipboard("System");
856 }
857
858 @Override
859 public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {
860 return (exclusionType == null) ||
861 (exclusionType == Dialog.ModalExclusionType.NO_EXCLUDE) ||
862 (exclusionType == Dialog.ModalExclusionType.APPLICATION_EXCLUDE) ||
863 (exclusionType == Dialog.ModalExclusionType.TOOLKIT_EXCLUDE);
864 }
865
866 @Override
867 public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
868 //TODO: FileDialog blocks excluded windows...
869 //TODO: Test: 2 file dialogs, separate AppContexts: a) Dialog 1 blocked, shouldn't be. Frame 4 blocked (shouldn't be).
870 return (modalityType == null) ||
871 (modalityType == Dialog.ModalityType.MODELESS) ||
872 (modalityType == Dialog.ModalityType.DOCUMENT_MODAL) ||
873 (modalityType == Dialog.ModalityType.APPLICATION_MODAL) ||
874 (modalityType == Dialog.ModalityType.TOOLKIT_MODAL);
875 }
876
877 @Override
878 public boolean isWindowShapingSupported() {
879 return true;
880 }
881
882 @Override
883 public boolean isWindowTranslucencySupported() {
884 return true;
885 }
886
887 @Override
888 public boolean isTranslucencyCapable(GraphicsConfiguration gc) {
889 return true;
890 }
891
892 @Override
893 public boolean isSwingBackbufferTranslucencySupported() {
894 return true;
895 }
896
897 @Override
898 public boolean enableInputMethodsForTextComponent() {
899 return true;
900 }
901
902 private static URL getScaledImageURL(URL url) {
903 try {
904 String scaledImagePath = getScaledImageName(url.getPath());
905 return scaledImagePath == null ? null : new URL(url.getProtocol(),
906 url.getHost(), url.getPort(), scaledImagePath);
907 } catch (MalformedURLException e) {
908 return null;
909 }
910 }
911
912 private static String getScaledImageName(String path) {
913 if (!isValidPath(path)) {
914 return null;
915 }
916
917 int slash = path.lastIndexOf('/');
918 String name = (slash < 0) ? path : path.substring(slash + 1);
919
920 if (name.contains("@2x")) {
921 return null;
922 }
923
924 int dot = name.lastIndexOf('.');
925 String name2x = (dot < 0) ? name + "@2x"
926 : name.substring(0, dot) + "@2x" + name.substring(dot);
927 return (slash < 0) ? name2x : path.substring(0, slash + 1) + name2x;
928 }
929
930 private static boolean isValidPath(String path) {
931 return path != null &&
932 !path.isEmpty() &&
933 !path.endsWith("/") &&
934 !path.endsWith(".");
935 }
936
937 @Override
938 protected PlatformWindow getPlatformWindowUnderMouse() {
939 return CPlatformWindow.nativeGetTopmostPlatformWindowUnderMouse();
940 }
941 }