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;
27
28 import java.awt.*;
29 import java.awt.event.*;
30 import java.awt.image.BufferedImage;
31 import java.awt.peer.*;
32 import java.util.List;
33
34 import javax.swing.*;
35
36 import sun.awt.*;
37 import sun.java2d.*;
38 import sun.java2d.loops.Blit;
39 import sun.java2d.loops.CompositeType;
40 import sun.java2d.pipe.Region;
41 import sun.util.logging.PlatformLogger;
42
43 public class LWWindowPeer
44 extends LWContainerPeer<Window, JComponent>
45 implements FramePeer, DialogPeer, FullScreenCapable, DisplayChangedListener, PlatformEventNotifier
46 {
47 public static enum PeerType {
48 SIMPLEWINDOW,
49 FRAME,
50 DIALOG,
51 EMBEDDED_FRAME,
52 VIEW_EMBEDDED_FRAME
53 }
54
55 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.lwawt.focus.LWWindowPeer");
56
57 private final PlatformWindow platformWindow;
58
59 // Window bounds reported by the native system (as opposed to
60 // regular bounds inherited from LWComponentPeer which are
61 // requested by user and may haven't been applied yet because
62 // of asynchronous requests to the windowing system)
63 private int sysX;
64 private int sysY;
65 private int sysW;
66 private int sysH;
67
68 private static final int MINIMUM_WIDTH = 1;
69 private static final int MINIMUM_HEIGHT = 1;
70
71 private Insets insets = new Insets(0, 0, 0, 0);
72
73 private GraphicsDevice graphicsDevice;
74 private GraphicsConfiguration graphicsConfig;
75
76 private SurfaceData surfaceData;
77 private final Object surfaceDataLock = new Object();
78
79 private int backBufferCount;
80 private BufferCapabilities backBufferCaps;
81
82 // The back buffer is used for two purposes:
83 // 1. To render all the lightweight peers
84 // 2. To provide user with a BufferStrategy
85 // Need to check if a single back buffer can be used for both
86 // TODO: VolatileImage
87 // private VolatileImage backBuffer;
88 private volatile BufferedImage backBuffer;
89
90 private volatile int windowState = Frame.NORMAL;
91
92 // A peer where the last mouse event came to. Used to generate
93 // MOUSE_ENTERED/EXITED notifications and by cursor manager to
94 // find the component under cursor
95 private static volatile LWComponentPeer lastMouseEventPeer = null;
96
97 // Peers where all dragged/released events should come to,
98 // depending on what mouse button is being dragged according to Cocoa
99 private static LWComponentPeer mouseDownTarget[] = new LWComponentPeer[3];
100
101 // A bitmask that indicates what mouse buttons produce MOUSE_CLICKED events
102 // on MOUSE_RELEASE. Click events are only generated if there were no drag
103 // events between MOUSE_PRESSED and MOUSE_RELEASED for particular button
104 private static int mouseClickButtons = 0;
105
106 private volatile boolean isOpaque = true;
107
108 private static final Font DEFAULT_FONT = new Font("Lucida Grande", Font.PLAIN, 13);
109
110 private static LWWindowPeer grabbingWindow;
111
112 private volatile boolean skipNextFocusChange;
113
114 private static final Color nonOpaqueBackground = new Color(0, 0, 0, 0);
115
116 private volatile boolean textured;
117
118 private final PeerType peerType;
119
120 private final SecurityWarningWindow warningWindow;
121
122 /**
123 * Current modal blocker or null.
124 *
125 * Synchronization: peerTreeLock.
126 */
127 private LWWindowPeer blocker;
128
129 public LWWindowPeer(Window target, PlatformComponent platformComponent,
130 PlatformWindow platformWindow, PeerType peerType)
131 {
132 super(target, platformComponent);
133 this.platformWindow = platformWindow;
134 this.peerType = peerType;
135
136 Window owner = target.getOwner();
137 LWWindowPeer ownerPeer = (owner != null) ? (LWWindowPeer)owner.getPeer() : null;
138 PlatformWindow ownerDelegate = (ownerPeer != null) ? ownerPeer.getPlatformWindow() : null;
139
140 // The delegate.initialize() needs a non-null GC on X11.
141 GraphicsConfiguration gc = getTarget().getGraphicsConfiguration();
142 synchronized (getStateLock()) {
143 // graphicsConfig should be updated according to the real window
144 // bounds when the window is shown, see 4868278
145 this.graphicsConfig = gc;
146 }
147
148 if (!target.isFontSet()) {
149 target.setFont(DEFAULT_FONT);
150 }
151
152 if (!target.isBackgroundSet()) {
153 target.setBackground(SystemColor.window);
154 } else {
155 // first we check if user provided alpha for background. This is
156 // similar to what Apple's Java do.
157 // Since JDK7 we should rely on setOpacity() only.
158 // this.opacity = c.getAlpha();
159 }
160
161 if (!target.isForegroundSet()) {
162 target.setForeground(SystemColor.windowText);
163 // we should not call setForeground because it will call a repaint
164 // which the peer may not be ready to do yet.
165 }
166
167 platformWindow.initialize(target, this, ownerDelegate);
168
169 // Init warning window(for applets)
170 SecurityWarningWindow warn = null;
171 if (((Window)target).getWarningString() != null) {
172 // accessSystemTray permission allows to display TrayIcon, TrayIcon tooltip
173 // and TrayIcon balloon windows without a warning window.
174 if (!AWTAccessor.getWindowAccessor().isTrayIconWindow((Window)target)) {
175 LWToolkit toolkit = (LWToolkit)Toolkit.getDefaultToolkit();
176 warn = toolkit.createSecurityWarning(target, this);
177 }
178 }
179
180 warningWindow = warn;
181 }
182
183 @Override
184 void initializeImpl() {
185 super.initializeImpl();
186 if (getTarget() instanceof Frame) {
187 setTitle(((Frame) getTarget()).getTitle());
188 setState(((Frame) getTarget()).getExtendedState());
189 } else if (getTarget() instanceof Dialog) {
190 setTitle(((Dialog) getTarget()).getTitle());
191 }
192
193 updateAlwaysOnTopState();
194 updateMinimumSize();
195
196 final Shape shape = getTarget().getShape();
197 if (shape != null) {
198 applyShape(Region.getInstance(shape, null));
199 }
200
201 final float opacity = getTarget().getOpacity();
202 if (opacity < 1.0f) {
203 setOpacity(opacity);
204 }
205
206 setOpaque(getTarget().isOpaque());
207
208 updateInsets(platformWindow.getInsets());
209 if (getSurfaceData() == null) {
210 replaceSurfaceData(false);
211 }
212 activateDisplayListener();
213 }
214
215 // Just a helper method
216 public PlatformWindow getPlatformWindow() {
217 return platformWindow;
218 }
219
220 @Override
221 protected LWWindowPeer getWindowPeerOrSelf() {
222 return this;
223 }
224
225 @Override
226 protected void initializeContainerPeer() {
227 // No-op as LWWindowPeer doesn't have any containerPeer
228 }
229
230 // ---- PEER METHODS ---- //
231
232 @Override
233 protected void disposeImpl() {
234 deactivateDisplayListener();
235 SurfaceData oldData = getSurfaceData();
236 synchronized (surfaceDataLock){
237 surfaceData = null;
238 }
239 if (oldData != null) {
240 oldData.invalidate();
241 }
242 if (isGrabbing()) {
243 ungrab();
244 }
245 if (warningWindow != null) {
246 warningWindow.dispose();
247 }
248 destroyBuffers();
249 platformWindow.dispose();
250 super.disposeImpl();
251 }
252
253 @Override
254 protected void setVisibleImpl(final boolean visible) {
255 if (!visible && warningWindow != null) {
256 warningWindow.setVisible(false, false);
257 }
258
259 super.setVisibleImpl(visible);
260 // TODO: update graphicsConfig, see 4868278
261 platformWindow.setVisible(visible);
262 if (isSimpleWindow()) {
263 KeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
264
265 if (visible) {
266 if (!getTarget().isAutoRequestFocus()) {
267 return;
268 } else {
269 requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
270 }
271 } else if (kfmPeer.getCurrentFocusedWindow() == getTarget()) {
272 // Transfer focus to the owner.
273 LWWindowPeer owner = getOwnerFrameDialog(LWWindowPeer.this);
274 if (owner != null) {
275 owner.requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
276 }
277 }
278 }
279 }
280
281 @Override
282 public GraphicsConfiguration getGraphicsConfiguration() {
283 return graphicsConfig;
284 }
285
286 @Override
287 public boolean updateGraphicsData(GraphicsConfiguration gc) {
288 setGraphicsConfig(gc);
289 return false;
290 }
291
292 protected final Graphics getOnscreenGraphics(Color fg, Color bg, Font f) {
293 if (getSurfaceData() == null) {
294 return null;
295 }
296 if (fg == null) {
297 fg = SystemColor.windowText;
298 }
299 if (bg == null) {
300 bg = SystemColor.window;
301 }
302 if (f == null) {
303 f = DEFAULT_FONT;
304 }
305 return platformWindow.transformGraphics(new SunGraphics2D(getSurfaceData(), fg, bg, f));
306 }
307
308 @Override
309 public void createBuffers(int numBuffers, BufferCapabilities caps)
310 throws AWTException
311 {
312 try {
313 // Assume this method is never called with numBuffers <= 1, as 0 is
314 // unsupported, and 1 corresponds to a SingleBufferStrategy which
315 // doesn't depend on the peer. Screen is considered as a separate
316 // "buffer", that's why numBuffers - 1
317 assert numBuffers > 1;
318
319 replaceSurfaceData(numBuffers - 1, caps, false);
320 } catch (InvalidPipeException z) {
321 throw new AWTException(z.toString());
322 }
323 }
324
325 @Override
326 public final Image getBackBuffer() {
327 synchronized (getStateLock()) {
328 return backBuffer;
329 }
330 }
331
332 @Override
333 public void flip(int x1, int y1, int x2, int y2,
334 BufferCapabilities.FlipContents flipAction)
335 {
336 final BufferedImage buffer = (BufferedImage)getBackBuffer();
337 if (buffer == null) {
338 throw new IllegalStateException("Buffers have not been created");
339 }
340 final Graphics g = getGraphics();
341 try {
342 g.drawImage(buffer, x1, y1, x2, y2, x1, y1, x2, y2, null);
343 } finally {
344 g.dispose();
345 }
346 if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) {
347 final Graphics2D bg = (Graphics2D) buffer.getGraphics();
348 try {
349 bg.setBackground(getBackground());
350 bg.clearRect(0, 0, buffer.getWidth(), buffer.getHeight());
351 } finally {
352 bg.dispose();
353 }
354 }
355 }
356
357 @Override
358 public final void destroyBuffers() {
359 final Image oldBB = getBackBuffer();
360 synchronized (getStateLock()) {
361 backBuffer = null;
362 }
363 if (oldBB != null) {
364 oldBB.flush();
365 }
366 }
367
368 @Override
369 public void setBounds(int x, int y, int w, int h, int op) {
370
371 if((op & NO_EMBEDDED_CHECK) == 0 && getPeerType() == PeerType.VIEW_EMBEDDED_FRAME) {
372 return;
373 }
374
375 if ((op & SET_CLIENT_SIZE) != 0) {
376 // SET_CLIENT_SIZE is only applicable to window peers, so handle it here
377 // instead of pulling 'insets' field up to LWComponentPeer
378 // no need to add insets since Window's notion of width and height includes insets.
379 op &= ~SET_CLIENT_SIZE;
380 op |= SET_SIZE;
381 }
382
383 if (w < MINIMUM_WIDTH) {
384 w = MINIMUM_WIDTH;
385 }
386 if (h < MINIMUM_HEIGHT) {
387 h = MINIMUM_HEIGHT;
388 }
389
390 if (graphicsConfig instanceof TextureSizeConstraining) {
391 final int maxW = ((TextureSizeConstraining)graphicsConfig).getMaxTextureWidth();
392 final int maxH = ((TextureSizeConstraining)graphicsConfig).getMaxTextureHeight();
393
394 if (w > maxW) {
395 w = maxW;
396 }
397 if (h > maxH) {
398 h = maxH;
399 }
400 }
401
402 // Don't post ComponentMoved/Resized and Paint events
403 // until we've got a notification from the delegate
404 setBounds(x, y, w, h, op, false, false);
405 // Get updated bounds, so we don't have to handle 'op' here manually
406 Rectangle r = getBounds();
407 platformWindow.setBounds(r.x, r.y, r.width, r.height);
408 }
409
410 @Override
411 public Point getLocationOnScreen() {
412 return platformWindow.getLocationOnScreen();
413 }
414
415 /**
416 * Overridden from LWContainerPeer to return the correct insets.
417 * Insets are queried from the delegate and are kept up to date by
418 * requiering when needed (i.e. when the window geometry is changed).
419 */
420 @Override
421 public Insets getInsets() {
422 synchronized (getStateLock()) {
423 return insets;
424 }
425 }
426
427 @Override
428 public FontMetrics getFontMetrics(Font f) {
429 // TODO: check for "use platform metrics" settings
430 return platformWindow.getFontMetrics(f);
431 }
432
433 @Override
434 public void toFront() {
435 platformWindow.toFront();
436 }
437
438 @Override
439 public void toBack() {
440 platformWindow.toBack();
441 }
442
443 @Override
444 public void setZOrder(ComponentPeer above) {
445 throw new RuntimeException("not implemented");
446 }
447
448 @Override
449 public void updateAlwaysOnTopState() {
450 platformWindow.setAlwaysOnTop(getTarget().isAlwaysOnTop());
451 }
452
453 @Override
454 public void updateFocusableWindowState() {
455 platformWindow.updateFocusableWindowState();
456 }
457
458 @Override
459 public void setModalBlocked(Dialog blocker, boolean blocked) {
460 synchronized (getPeerTreeLock()) {
461 if(blocked && blocker.getPeer() instanceof LWWindowPeer) {
462 this.blocker = (LWWindowPeer)blocker.getPeer();
463 } else {
464 this.blocker = null;
465 }
466 }
467
468 platformWindow.setModalBlocked(blocked);
469 }
470
471 @Override
472 public void updateMinimumSize() {
473 final Dimension min;
474 if (getTarget().isMinimumSizeSet()) {
475 min = getTarget().getMinimumSize();
476 min.width = Math.max(min.width, MINIMUM_WIDTH);
477 min.height = Math.max(min.height, MINIMUM_HEIGHT);
478 } else {
479 min = new Dimension(MINIMUM_WIDTH, MINIMUM_HEIGHT);
480 }
481
482 final int maxW, maxH;
483 if (graphicsConfig instanceof TextureSizeConstraining) {
484 maxW = ((TextureSizeConstraining)graphicsConfig).getMaxTextureWidth();
485 maxH = ((TextureSizeConstraining)graphicsConfig).getMaxTextureHeight();
486 } else {
487 maxW = maxH = Integer.MAX_VALUE;
488 }
489
490 final Dimension max;
491 if (getTarget().isMaximumSizeSet()) {
492 max = getTarget().getMaximumSize();
493 max.width = Math.min(max.width, maxW);
494 max.height = Math.min(max.height, maxH);
495 } else {
496 max = new Dimension(maxW, maxH);
497 }
498
499 platformWindow.setSizeConstraints(min.width, min.height, max.width, max.height);
500 }
501
502 @Override
503 public void updateIconImages() {
504 getPlatformWindow().updateIconImages();
505 }
506
507 @Override
508 public void setOpacity(float opacity) {
509 getPlatformWindow().setOpacity(opacity);
510 repaintPeer();
511 }
512
513 @Override
514 public final void setOpaque(final boolean isOpaque) {
515 if (this.isOpaque != isOpaque) {
516 this.isOpaque = isOpaque;
517 updateOpaque();
518 }
519 }
520
521 private void updateOpaque() {
522 getPlatformWindow().setOpaque(!isTranslucent());
523 replaceSurfaceData(false);
524 repaintPeer();
525 }
526
527 @Override
528 public void updateWindow() {
529 }
530
531 public final boolean isTextured() {
532 return textured;
533 }
534
535 public final void setTextured(final boolean isTextured) {
536 textured = isTextured;
537 }
538
539 public final boolean isTranslucent() {
540 synchronized (getStateLock()) {
541 /*
542 * Textured window is a special case of translucent window.
543 * The difference is only in nswindow background. So when we set
544 * texture property our peer became fully translucent. It doesn't
545 * fill background, create non opaque backbuffers and layer etc.
546 */
547 return !isOpaque || isShaped() || isTextured();
548 }
549 }
550
551 @Override
552 final void applyShapeImpl(final Region shape) {
553 super.applyShapeImpl(shape);
554 updateOpaque();
555 }
556
557 @Override
558 public void repositionSecurityWarning() {
559 if (warningWindow != null) {
560 AWTAccessor.ComponentAccessor compAccessor = AWTAccessor.getComponentAccessor();
561 Window target = getTarget();
562 int x = compAccessor.getX(target);
563 int y = compAccessor.getY(target);
564 int width = compAccessor.getWidth(target);
565 int height = compAccessor.getHeight(target);
566 warningWindow.reposition(x, y, width, height);
567 }
568 }
569
570 // ---- FRAME PEER METHODS ---- //
571
572 @Override // FramePeer and DialogPeer
573 public void setTitle(String title) {
574 platformWindow.setTitle(title == null ? "" : title);
575 }
576
577 @Override
578 public void setMenuBar(MenuBar mb) {
579 platformWindow.setMenuBar(mb);
580 }
581
582 @Override // FramePeer and DialogPeer
583 public void setResizable(boolean resizable) {
584 platformWindow.setResizable(resizable);
585 }
586
587 @Override
588 public void setState(int state) {
589 platformWindow.setWindowState(state);
590 }
591
592 @Override
593 public int getState() {
594 return windowState;
595 }
596
597 @Override
598 public void setMaximizedBounds(Rectangle bounds) {
599 // TODO: not implemented
600 }
601
602 @Override
603 public void setBoundsPrivate(int x, int y, int width, int height) {
604 setBounds(x, y, width, height, SET_BOUNDS | NO_EMBEDDED_CHECK);
605 }
606
607 @Override
608 public Rectangle getBoundsPrivate() {
609 throw new RuntimeException("not implemented");
610 }
611
612 // ---- DIALOG PEER METHODS ---- //
613
614 @Override
615 public void blockWindows(List<Window> windows) {
616 //TODO: LWX will probably need some collectJavaToplevels to speed this up
617 for (Window w : windows) {
618 WindowPeer wp = (WindowPeer)w.getPeer();
619 if (wp != null) {
620 wp.setModalBlocked((Dialog)getTarget(), true);
621 }
622 }
623 }
624
625 // ---- PEER NOTIFICATIONS ---- //
626
627 @Override
628 public void notifyIconify(boolean iconify) {
629 //The toplevel target is Frame and states are applicable to it.
630 //Otherwise, the target is Window and it don't have state property.
631 //Hopefully, no such events are posted in the queue so consider the
632 //target as Frame in all cases.
633
634 // REMIND: should we send it anyway if the state not changed since last
635 // time?
636 WindowEvent iconifyEvent = new WindowEvent(getTarget(),
637 iconify ? WindowEvent.WINDOW_ICONIFIED
638 : WindowEvent.WINDOW_DEICONIFIED);
639 postEvent(iconifyEvent);
640
641 int newWindowState = iconify ? Frame.ICONIFIED : Frame.NORMAL;
642 postWindowStateChangedEvent(newWindowState);
643
644 // REMIND: RepaintManager doesn't repaint iconified windows and
645 // hence ignores any repaint request during deiconification.
646 // So, we need to repaint window explicitly when it becomes normal.
647 if (!iconify) {
648 repaintPeer();
649 }
650 }
651
652 @Override
653 public void notifyZoom(boolean isZoomed) {
654 int newWindowState = isZoomed ? Frame.MAXIMIZED_BOTH : Frame.NORMAL;
655 postWindowStateChangedEvent(newWindowState);
656 }
657
658 /**
659 * Called by the {@code PlatformWindow} when any part of the window should
660 * be repainted.
661 */
662 @Override
663 public final void notifyExpose(final Rectangle r) {
664 repaintPeer(r);
665 }
666
667 /**
668 * Called by the {@code PlatformWindow} when this window is moved/resized by
669 * user or window insets are changed. There's no notifyReshape() in
670 * LWComponentPeer as the only components which could be resized by user are
671 * top-level windows.
672 */
673 @Override
674 public final void notifyReshape(int x, int y, int w, int h) {
675 final boolean moved;
676 final boolean resized;
677 final boolean invalid = updateInsets(platformWindow.getInsets());
678 synchronized (getStateLock()) {
679 moved = (x != sysX) || (y != sysY);
680 resized = (w != sysW) || (h != sysH);
681 sysX = x;
682 sysY = y;
683 sysW = w;
684 sysH = h;
685 }
686
687 // Check if anything changed
688 if (!moved && !resized && !invalid) {
689 return;
690 }
691 // First, update peer's bounds
692 setBounds(x, y, w, h, SET_BOUNDS, false, false);
693
694 // Second, update the graphics config and surface data
695 final boolean isNewDevice = updateGraphicsDevice();
696 if (resized || isNewDevice) {
697 replaceSurfaceData();
698 }
699
700 // Third, COMPONENT_MOVED/COMPONENT_RESIZED/PAINT events
701 if (moved || invalid) {
702 handleMove(x, y, true);
703 }
704 if (resized || invalid || isNewDevice) {
705 handleResize(w, h, true);
706 repaintPeer();
707 }
708
709 repositionSecurityWarning();
710 }
711
712 private void clearBackground(final int w, final int h) {
713 final Graphics g = getOnscreenGraphics(getForeground(), getBackground(),
714 getFont());
715 if (g != null) {
716 try {
717 if (g instanceof Graphics2D) {
718 ((Graphics2D) g).setComposite(AlphaComposite.Src);
719 }
720 if (isTranslucent()) {
721 g.setColor(nonOpaqueBackground);
722 g.fillRect(0, 0, w, h);
723 }
724 if (!isTextured()) {
725 if (g instanceof SunGraphics2D) {
726 ((SunGraphics2D) g).constrain(0, 0, w, h, getRegion());
727 }
728 g.setColor(getBackground());
729 g.fillRect(0, 0, w, h);
730 }
731 } finally {
732 g.dispose();
733 }
734 }
735 }
736
737 @Override
738 public void notifyUpdateCursor() {
739 getLWToolkit().getCursorManager().updateCursorLater(this);
740 }
741
742 @Override
743 public void notifyActivation(boolean activation, LWWindowPeer opposite) {
744 Window oppositeWindow = (opposite == null)? null : opposite.getTarget();
745 changeFocusedWindow(activation, oppositeWindow);
746 }
747
748 // MouseDown in non-client area
749 @Override
750 public void notifyNCMouseDown() {
751 // Ungrab except for a click on a Dialog with the grabbing owner
752 if (grabbingWindow != null &&
753 grabbingWindow != getOwnerFrameDialog(this))
754 {
755 grabbingWindow.ungrab();
756 }
757 }
758
759 // ---- EVENTS ---- //
760
761 /*
762 * Called by the delegate to dispatch the event to Java. Event
763 * coordinates are relative to non-client window are, i.e. the top-left
764 * point of the client area is (insets.top, insets.left).
765 */
766 @Override
767 public void notifyMouseEvent(int id, long when, int button,
768 int x, int y, int screenX, int screenY,
769 int modifiers, int clickCount, boolean popupTrigger,
770 byte[] bdata)
771 {
772 // TODO: fill "bdata" member of AWTEvent
773 Rectangle r = getBounds();
774 // findPeerAt() expects parent coordinates
775 LWComponentPeer targetPeer = findPeerAt(r.x + x, r.y + y);
776 LWWindowPeer lastWindowPeer =
777 (lastMouseEventPeer != null) ? lastMouseEventPeer.getWindowPeerOrSelf() : null;
778 LWWindowPeer curWindowPeer =
779 (targetPeer != null) ? targetPeer.getWindowPeerOrSelf() : null;
780
781 if (id == MouseEvent.MOUSE_EXITED) {
782 // Sometimes we may get MOUSE_EXITED after lastMouseEventPeer is switched
783 // to a peer from another window. So we must first check if this peer is
784 // the same as lastWindowPeer
785 if (lastWindowPeer == this) {
786 if (isEnabled()) {
787 Point lp = lastMouseEventPeer.windowToLocal(x, y,
788 lastWindowPeer);
789 Component target = lastMouseEventPeer.getTarget();
790 postMouseEnteredExitedEvent(target, MouseEvent.MOUSE_EXITED,
791 when, modifiers, lp,
792 screenX, screenY, clickCount, popupTrigger, button);
793 }
794 lastMouseEventPeer = null;
795 }
796 } else {
797 if (targetPeer != lastMouseEventPeer) {
798 // lastMouseEventPeer may be null if mouse was out of Java windows
799 if (lastMouseEventPeer != null && lastMouseEventPeer.isEnabled()) {
800 // Sometimes, MOUSE_EXITED is not sent by delegate (or is sent a bit
801 // later), in which case lastWindowPeer is another window
802 if (lastWindowPeer != this) {
803 Point oldp = lastMouseEventPeer.windowToLocal(x, y, lastWindowPeer);
804 // Additionally translate from this to lastWindowPeer coordinates
805 Rectangle lr = lastWindowPeer.getBounds();
806 oldp.x += r.x - lr.x;
807 oldp.y += r.y - lr.y;
808 Component target = lastMouseEventPeer.getTarget();
809 postMouseEnteredExitedEvent(target, MouseEvent.MOUSE_EXITED,
810 when, modifiers, oldp,
811 screenX, screenY, clickCount, popupTrigger, button);
812 } else {
813 Point oldp = lastMouseEventPeer.windowToLocal(x, y, this);
814 Component target = lastMouseEventPeer.getTarget();
815 postMouseEnteredExitedEvent(target, MouseEvent.MOUSE_EXITED,
816 when, modifiers, oldp,
817 screenX, screenY, clickCount, popupTrigger, button);
818 }
819 }
820 lastMouseEventPeer = targetPeer;
821 if (targetPeer != null && targetPeer.isEnabled() && id != MouseEvent.MOUSE_ENTERED) {
822 Point newp = targetPeer.windowToLocal(x, y, curWindowPeer);
823 Component target = targetPeer.getTarget();
824 postMouseEnteredExitedEvent(target, MouseEvent.MOUSE_ENTERED,
825 when, modifiers, newp,
826 screenX, screenY, clickCount, popupTrigger, button);
827 }
828 }
829 // TODO: fill "bdata" member of AWTEvent
830
831 int eventButtonMask = (button > 0)? MouseEvent.getMaskForButton(button) : 0;
832 int otherButtonsPressed = modifiers & ~eventButtonMask;
833
834 // For pressed/dragged/released events OS X treats other
835 // mouse buttons as if they were BUTTON2, so we do the same
836 int targetIdx = (button > 3) ? MouseEvent.BUTTON2 - 1 : button - 1;
837
838 // MOUSE_ENTERED/EXITED are generated for the components strictly under
839 // mouse even when dragging. That's why we first update lastMouseEventPeer
840 // based on initial targetPeer value and only then recalculate targetPeer
841 // for MOUSE_DRAGGED/RELEASED events
842 if (id == MouseEvent.MOUSE_PRESSED) {
843
844 // Ungrab only if this window is not an owned window of the grabbing one.
845 if (!isGrabbing() && grabbingWindow != null &&
846 grabbingWindow != getOwnerFrameDialog(this))
847 {
848 grabbingWindow.ungrab();
849 }
850 if (otherButtonsPressed == 0) {
851 mouseClickButtons = eventButtonMask;
852 } else {
853 mouseClickButtons |= eventButtonMask;
854 }
855
856 mouseDownTarget[targetIdx] = targetPeer;
857 } else if (id == MouseEvent.MOUSE_DRAGGED) {
858 // Cocoa dragged event has the information about which mouse
859 // button is being dragged. Use it to determine the peer that
860 // should receive the dragged event.
861 targetPeer = mouseDownTarget[targetIdx];
862 mouseClickButtons &= ~modifiers;
863 } else if (id == MouseEvent.MOUSE_RELEASED) {
864 // TODO: currently, mouse released event goes to the same component
865 // that received corresponding mouse pressed event. For most cases,
866 // it's OK, however, we need to make sure that our behavior is consistent
867 // with 1.6 for cases where component in question have been
868 // hidden/removed in between of mouse pressed/released events.
869 targetPeer = mouseDownTarget[targetIdx];
870
871 if ((modifiers & eventButtonMask) == 0) {
872 mouseDownTarget[targetIdx] = null;
873 }
874
875 // mouseClickButtons is updated below, after MOUSE_CLICK is sent
876 }
877
878 // check if we receive mouseEvent from outside the window's bounds
879 // it can be either mouseDragged or mouseReleased
880 if (curWindowPeer == null) {
881 //TODO This can happen if this window is invisible. this is correct behavior in this case?
882 curWindowPeer = this;
883 }
884 if (targetPeer == null) {
885 //TODO This can happen if this window is invisible. this is correct behavior in this case?
886 targetPeer = this;
887 }
888
889
890 Point lp = targetPeer.windowToLocal(x, y, curWindowPeer);
891 if (targetPeer.isEnabled()) {
892 if (id == MouseEvent.MOUSE_ENTERED || id == MouseEvent.MOUSE_EXITED) {
893 postMouseEnteredExitedEvent(targetPeer.getTarget(), id,
894 when, modifiers, lp, screenX, screenY,
895 clickCount, popupTrigger, button);
896
897 } else {
898 MouseEvent event = new MouseEvent(targetPeer.getTarget(), id,
899 when, modifiers, lp.x, lp.y,
900 screenX, screenY, clickCount,
901 popupTrigger, button);
902 postEvent(event);
903 }
904 }
905
906 if (id == MouseEvent.MOUSE_RELEASED) {
907 if ((mouseClickButtons & eventButtonMask) != 0
908 && targetPeer.isEnabled()) {
909 postEvent(new MouseEvent(targetPeer.getTarget(),
910 MouseEvent.MOUSE_CLICKED,
911 when, modifiers,
912 lp.x, lp.y, screenX, screenY,
913 clickCount, popupTrigger, button));
914 }
915 mouseClickButtons &= ~eventButtonMask;
916 }
917 }
918 notifyUpdateCursor();
919 }
920
921 private void postMouseEnteredExitedEvent(
922 Component target, int id, long when, int modifiers,
923 Point loc, int xAbs, int yAbs,
924 int clickCount, boolean popupTrigger, int button) {
925
926 updateSecurityWarningVisibility();
927
928 postEvent(new MouseEvent(target, id, when, modifiers, loc.x, loc.y,
929 xAbs, yAbs, clickCount, popupTrigger, button));
930 }
931
932 @Override
933 public void notifyMouseWheelEvent(long when, int x, int y, int modifiers,
934 int scrollType, int scrollAmount,
935 int wheelRotation, double preciseWheelRotation,
936 byte[] bdata)
937 {
938 // TODO: could we just use the last mouse event target here?
939 Rectangle r = getBounds();
940 // findPeerAt() expects parent coordinates
941 final LWComponentPeer targetPeer = findPeerAt(r.x + x, r.y + y);
942 if (targetPeer == null || !targetPeer.isEnabled()) {
943 return;
944 }
945
946 Point lp = targetPeer.windowToLocal(x, y, this);
947 // TODO: fill "bdata" member of AWTEvent
948 // TODO: screenX/screenY
949 postEvent(new MouseWheelEvent(targetPeer.getTarget(),
950 MouseEvent.MOUSE_WHEEL,
951 when, modifiers,
952 lp.x, lp.y,
953 0, 0, /* screenX, Y */
954 0 /* clickCount */, false /* popupTrigger */,
955 scrollType, scrollAmount,
956 wheelRotation, preciseWheelRotation));
957 }
958
959 /*
960 * Called by the delegate when a key is pressed.
961 */
962 @Override
963 public void notifyKeyEvent(int id, long when, int modifiers,
964 int keyCode, char keyChar, int keyLocation)
965 {
966 LWKeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
967 Component focusOwner = kfmPeer.getCurrentFocusOwner();
968
969 if (focusOwner == null) {
970 focusOwner = kfmPeer.getCurrentFocusedWindow();
971 if (focusOwner == null) {
972 focusOwner = this.getTarget();
973 }
974 }
975 postEvent(new KeyEvent(focusOwner, id, when, modifiers, keyCode, keyChar, keyLocation));
976 }
977
978
979 // ---- UTILITY METHODS ---- //
980
981 private void activateDisplayListener() {
982 final GraphicsEnvironment ge =
983 GraphicsEnvironment.getLocalGraphicsEnvironment();
984 ((SunGraphicsEnvironment) ge).addDisplayChangedListener(this);
985 }
986
987 private void deactivateDisplayListener() {
988 final GraphicsEnvironment ge =
989 GraphicsEnvironment.getLocalGraphicsEnvironment();
990 ((SunGraphicsEnvironment) ge).removeDisplayChangedListener(this);
991 }
992
993 private void postWindowStateChangedEvent(int newWindowState) {
994 if (getTarget() instanceof Frame) {
995 AWTAccessor.getFrameAccessor().setExtendedState(
996 (Frame)getTarget(), newWindowState);
997 }
998 WindowEvent stateChangedEvent = new WindowEvent(getTarget(),
999 WindowEvent.WINDOW_STATE_CHANGED,
1000 windowState, newWindowState);
1001 postEvent(stateChangedEvent);
1002 windowState = newWindowState;
1003
1004 updateSecurityWarningVisibility();
1005 }
1006
1007 private static int getGraphicsConfigScreen(GraphicsConfiguration gc) {
1008 // TODO: this method can be implemented in a more
1009 // efficient way by forwarding to the delegate
1010 GraphicsDevice gd = gc.getDevice();
1011 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
1012 GraphicsDevice[] gds = ge.getScreenDevices();
1013 for (int i = 0; i < gds.length; i++) {
1014 if (gds[i] == gd) {
1015 return i;
1016 }
1017 }
1018 // Should never happen if gc is a screen device config
1019 return 0;
1020 }
1021
1022 /*
1023 * This method is called when window's graphics config is changed from
1024 * the app code (e.g. when the window is made non-opaque) or when
1025 * the window is moved to another screen by user.
1026 *
1027 * Returns true if the graphics config has been changed, false otherwise.
1028 */
1029 private boolean setGraphicsConfig(GraphicsConfiguration gc) {
1030 synchronized (getStateLock()) {
1031 if (graphicsConfig == gc) {
1032 return false;
1033 }
1034 // If window's graphics config is changed from the app code, the
1035 // config correspond to the same device as before; when the window
1036 // is moved by user, graphicsDevice is updated in notifyReshape().
1037 // In either case, there's nothing to do with screenOn here
1038 graphicsConfig = gc;
1039 }
1040 // SurfaceData is replaced later in updateGraphicsData()
1041 return true;
1042 }
1043
1044 /**
1045 * Returns true if the GraphicsDevice has been changed, false otherwise.
1046 */
1047 public boolean updateGraphicsDevice() {
1048 GraphicsDevice newGraphicsDevice = platformWindow.getGraphicsDevice();
1049 synchronized (getStateLock()) {
1050 if (graphicsDevice == newGraphicsDevice) {
1051 return false;
1052 }
1053 graphicsDevice = newGraphicsDevice;
1054 }
1055
1056 final GraphicsConfiguration newGC = newGraphicsDevice.getDefaultConfiguration();
1057
1058 if (!setGraphicsConfig(newGC)) return false;
1059
1060 SunToolkit.executeOnEventHandlerThread(getTarget(), new Runnable() {
1061 public void run() {
1062 AWTAccessor.getComponentAccessor().setGraphicsConfiguration(getTarget(), newGC);
1063 }
1064 });
1065 return true;
1066 }
1067
1068 @Override
1069 public final void displayChanged() {
1070 updateGraphicsDevice();
1071 // Replace surface unconditionally, because internal state of the
1072 // GraphicsDevice could be changed.
1073 replaceSurfaceData();
1074 repaintPeer();
1075 }
1076
1077 @Override
1078 public final void paletteChanged() {
1079 // components do not need to react to this event.
1080 }
1081
1082 /*
1083 * May be called by delegate to provide SD to Java2D code.
1084 */
1085 public SurfaceData getSurfaceData() {
1086 synchronized (surfaceDataLock) {
1087 return surfaceData;
1088 }
1089 }
1090
1091 private void replaceSurfaceData() {
1092 replaceSurfaceData(true);
1093 }
1094
1095 private void replaceSurfaceData(boolean blit) {
1096 replaceSurfaceData(backBufferCount, backBufferCaps, blit);
1097 }
1098
1099 private void replaceSurfaceData(int newBackBufferCount,
1100 BufferCapabilities newBackBufferCaps,
1101 boolean blit) {
1102 synchronized (surfaceDataLock) {
1103 final SurfaceData oldData = getSurfaceData();
1104 surfaceData = platformWindow.replaceSurfaceData();
1105 // TODO: volatile image
1106 // VolatileImage oldBB = backBuffer;
1107 BufferedImage oldBB = backBuffer;
1108 backBufferCount = newBackBufferCount;
1109 backBufferCaps = newBackBufferCaps;
1110 final Rectangle size = getSize();
1111 if (getSurfaceData() != null && oldData != getSurfaceData()) {
1112 clearBackground(size.width, size.height);
1113 }
1114
1115 if (blit) {
1116 blitSurfaceData(oldData, getSurfaceData());
1117 }
1118
1119 if (oldData != null && oldData != getSurfaceData()) {
1120 // TODO: drop oldData for D3D/WGL pipelines
1121 // This can only happen when this peer is being created
1122 oldData.flush();
1123 }
1124
1125 // TODO: volatile image
1126 // backBuffer = (VolatileImage)delegate.createBackBuffer();
1127 backBuffer = (BufferedImage) platformWindow.createBackBuffer();
1128 if (backBuffer != null) {
1129 Graphics g = backBuffer.getGraphics();
1130 try {
1131 Rectangle r = getBounds();
1132 if (g instanceof Graphics2D) {
1133 ((Graphics2D) g).setComposite(AlphaComposite.Src);
1134 }
1135 g.setColor(nonOpaqueBackground);
1136 g.fillRect(0, 0, r.width, r.height);
1137 if (g instanceof SunGraphics2D) {
1138 ((SunGraphics2D) g).constrain(0, 0, r.width, r.height, getRegion());
1139 }
1140 if (!isTextured()) {
1141 g.setColor(getBackground());
1142 g.fillRect(0, 0, r.width, r.height);
1143 }
1144 if (oldBB != null) {
1145 // Draw the old back buffer to the new one
1146 g.drawImage(oldBB, 0, 0, null);
1147 oldBB.flush();
1148 }
1149 } finally {
1150 g.dispose();
1151 }
1152 }
1153 }
1154 flushOnscreenGraphics();
1155 }
1156
1157 private void blitSurfaceData(final SurfaceData src, final SurfaceData dst) {
1158 //TODO blit. proof-of-concept
1159 if (src != dst && src != null && dst != null
1160 && !(dst instanceof NullSurfaceData)
1161 && !(src instanceof NullSurfaceData)
1162 && src.getSurfaceType().equals(dst.getSurfaceType())
1163 && src.getDefaultScale() == dst.getDefaultScale()) {
1164 final Rectangle size = src.getBounds();
1165 final Blit blit = Blit.locate(src.getSurfaceType(),
1166 CompositeType.Src,
1167 dst.getSurfaceType());
1168 if (blit != null) {
1169 blit.Blit(src, dst, AlphaComposite.Src, null, 0, 0, 0, 0,
1170 size.width, size.height);
1171 }
1172 }
1173 }
1174
1175 public int getBackBufferCount() {
1176 return backBufferCount;
1177 }
1178
1179 public BufferCapabilities getBackBufferCaps() {
1180 return backBufferCaps;
1181 }
1182
1183 /**
1184 * Request the window insets from the delegate and compares it with the
1185 * current one. This method is mostly called by the delegate, e.g. when the
1186 * window state is changed and insets should be recalculated.
1187 * <p/>
1188 * This method may be called on the toolkit thread.
1189 */
1190 public final boolean updateInsets(final Insets newInsets) {
1191 synchronized (getStateLock()) {
1192 if (insets.equals(newInsets)) {
1193 return false;
1194 }
1195 insets = newInsets;
1196 }
1197 return true;
1198 }
1199
1200 public static LWWindowPeer getWindowUnderCursor() {
1201 return lastMouseEventPeer != null ? lastMouseEventPeer.getWindowPeerOrSelf() : null;
1202 }
1203
1204 public static LWComponentPeer<?, ?> getPeerUnderCursor() {
1205 return lastMouseEventPeer;
1206 }
1207
1208 /*
1209 * Requests platform to set native focus on a frame/dialog.
1210 * In case of a simple window, triggers appropriate java focus change.
1211 */
1212 public boolean requestWindowFocus(CausedFocusEvent.Cause cause) {
1213 if (focusLog.isLoggable(PlatformLogger.FINE)) {
1214 focusLog.fine("requesting native focus to " + this);
1215 }
1216
1217 if (!focusAllowedFor()) {
1218 focusLog.fine("focus is not allowed");
1219 return false;
1220 }
1221
1222 if (platformWindow.rejectFocusRequest(cause)) {
1223 return false;
1224 }
1225
1226 Window currentActive = KeyboardFocusManager.
1227 getCurrentKeyboardFocusManager().getActiveWindow();
1228
1229 Window opposite = LWKeyboardFocusManagerPeer.getInstance().
1230 getCurrentFocusedWindow();
1231
1232 // Make the owner active window.
1233 if (isSimpleWindow()) {
1234 LWWindowPeer owner = getOwnerFrameDialog(this);
1235
1236 // If owner is not natively active, request native
1237 // activation on it w/o sending events up to java.
1238 if (owner != null && !owner.platformWindow.isActive()) {
1239 if (focusLog.isLoggable(PlatformLogger.FINE)) {
1240 focusLog.fine("requesting native focus to the owner " + owner);
1241 }
1242 LWWindowPeer currentActivePeer = (currentActive != null ?
1243 (LWWindowPeer)currentActive.getPeer() : null);
1244
1245 // Ensure the opposite is natively active and suppress sending events.
1246 if (currentActivePeer != null && currentActivePeer.platformWindow.isActive()) {
1247 if (focusLog.isLoggable(PlatformLogger.FINE)) {
1248 focusLog.fine("the opposite is " + currentActivePeer);
1249 }
1250 currentActivePeer.skipNextFocusChange = true;
1251 }
1252 owner.skipNextFocusChange = true;
1253
1254 owner.platformWindow.requestWindowFocus();
1255 }
1256
1257 // DKFM will synthesize all the focus/activation events correctly.
1258 changeFocusedWindow(true, opposite);
1259 return true;
1260
1261 // In case the toplevel is active but not focused, change focus directly,
1262 // as requesting native focus on it will not have effect.
1263 } else if (getTarget() == currentActive && !getTarget().hasFocus()) {
1264
1265 changeFocusedWindow(true, opposite);
1266 return true;
1267 }
1268
1269 return platformWindow.requestWindowFocus();
1270 }
1271
1272 private boolean focusAllowedFor() {
1273 Window window = getTarget();
1274 // TODO: check if modal blocked
1275 return window.isVisible() && window.isEnabled() && isFocusableWindow();
1276 }
1277
1278 private boolean isFocusableWindow() {
1279 boolean focusable = getTarget().isFocusableWindow();
1280 if (isSimpleWindow()) {
1281 LWWindowPeer ownerPeer = getOwnerFrameDialog(this);
1282 if (ownerPeer == null) {
1283 return false;
1284 }
1285 return focusable && ownerPeer.getTarget().isFocusableWindow();
1286 }
1287 return focusable;
1288 }
1289
1290 public boolean isSimpleWindow() {
1291 Window window = getTarget();
1292 return !(window instanceof Dialog || window instanceof Frame);
1293 }
1294
1295 /*
1296 * Changes focused window on java level.
1297 */
1298 private void changeFocusedWindow(boolean becomesFocused, Window opposite) {
1299 if (focusLog.isLoggable(PlatformLogger.FINE)) {
1300 focusLog.fine((becomesFocused?"gaining":"loosing") + " focus window: " + this);
1301 }
1302 if (skipNextFocusChange) {
1303 focusLog.fine("skipping focus change");
1304 skipNextFocusChange = false;
1305 return;
1306 }
1307 if (!isFocusableWindow() && becomesFocused) {
1308 focusLog.fine("the window is not focusable");
1309 return;
1310 }
1311 if (becomesFocused) {
1312 synchronized (getPeerTreeLock()) {
1313 if (blocker != null) {
1314 if (focusLog.isLoggable(PlatformLogger.FINEST)) {
1315 focusLog.finest("the window is blocked by " + blocker);
1316 }
1317 return;
1318 }
1319 }
1320 }
1321
1322 // Note, the method is not called:
1323 // - when the opposite (gaining focus) window is an owned/owner window.
1324 // - for a simple window in any case.
1325 if (!becomesFocused &&
1326 (isGrabbing() || getOwnerFrameDialog(grabbingWindow) == this))
1327 {
1328 focusLog.fine("ungrabbing on " + grabbingWindow);
1329 // ungrab a simple window if its owner looses activation.
1330 grabbingWindow.ungrab();
1331 }
1332
1333 KeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
1334 kfmPeer.setCurrentFocusedWindow(becomesFocused ? getTarget() : null);
1335
1336 int eventID = becomesFocused ? WindowEvent.WINDOW_GAINED_FOCUS : WindowEvent.WINDOW_LOST_FOCUS;
1337 WindowEvent windowEvent = new WindowEvent(getTarget(), eventID, opposite);
1338
1339 // TODO: wrap in SequencedEvent
1340 postEvent(windowEvent);
1341 }
1342
1343 static LWWindowPeer getOwnerFrameDialog(LWWindowPeer peer) {
1344 Window owner = (peer != null ? peer.getTarget().getOwner() : null);
1345 while (owner != null && !(owner instanceof Frame || owner instanceof Dialog)) {
1346 owner = owner.getOwner();
1347 }
1348 return owner != null ? (LWWindowPeer)owner.getPeer() : null;
1349 }
1350
1351 /**
1352 * Returns the foremost modal blocker of this window, or null.
1353 */
1354 public LWWindowPeer getBlocker() {
1355 synchronized (getPeerTreeLock()) {
1356 LWWindowPeer blocker = this.blocker;
1357 if (blocker == null) {
1358 return null;
1359 }
1360 while (blocker.blocker != null) {
1361 blocker = blocker.blocker;
1362 }
1363 return blocker;
1364 }
1365 }
1366
1367 public void enterFullScreenMode() {
1368 platformWindow.enterFullScreenMode();
1369 updateSecurityWarningVisibility();
1370 }
1371
1372 public void exitFullScreenMode() {
1373 platformWindow.exitFullScreenMode();
1374 updateSecurityWarningVisibility();
1375 }
1376
1377 public long getLayerPtr() {
1378 return getPlatformWindow().getLayerPtr();
1379 }
1380
1381 void grab() {
1382 if (grabbingWindow != null && !isGrabbing()) {
1383 grabbingWindow.ungrab();
1384 }
1385 grabbingWindow = this;
1386 }
1387
1388 final void ungrab(boolean doPost) {
1389 if (isGrabbing()) {
1390 grabbingWindow = null;
1391 if (doPost) {
1392 postEvent(new UngrabEvent(getTarget()));
1393 }
1394 }
1395 }
1396
1397 void ungrab() {
1398 ungrab(true);
1399 }
1400
1401 private boolean isGrabbing() {
1402 return this == grabbingWindow;
1403 }
1404
1405 public PeerType getPeerType() {
1406 return peerType;
1407 }
1408
1409 public void updateSecurityWarningVisibility() {
1410 if (warningWindow == null) {
1411 return;
1412 }
1413
1414 if (!isVisible()) {
1415 return; // The warning window should already be hidden.
1416 }
1417
1418 boolean show = false;
1419
1420 if (!platformWindow.isFullScreenMode()) {
1421 if (isVisible()) {
1422 if (LWKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow() ==
1423 getTarget()) {
1424 show = true;
1425 }
1426
1427 if (platformWindow.isUnderMouse() || warningWindow.isUnderMouse()) {
1428 show = true;
1429 }
1430 }
1431 }
1432
1433 warningWindow.setVisible(show, true);
1434 }
1435
1436 @Override
1437 public String toString() {
1438 return super.toString() + " [target is " + getTarget() + "]";
1439 }
1440 }