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