1 /*
2 * Copyright (c) 2011, 2014, 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.peer.*;
31 import java.util.List;
32
33 import javax.swing.*;
34
35 import sun.awt.*;
36 import sun.awt.AWTAccessor.ComponentAccessor;
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 enum PeerType {
48 SIMPLEWINDOW,
49 FRAME,
50 DIALOG,
51 EMBEDDED_FRAME,
52 VIEW_EMBEDDED_FRAME,
53 LW_FRAME
54 }
55
56 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.lwawt.focus.LWWindowPeer");
57
58 private final PlatformWindow platformWindow;
59
60 private static final int MINIMUM_WIDTH = 1;
61 private static final int MINIMUM_HEIGHT = 1;
62
63 private Insets insets = new Insets(0, 0, 0, 0);
64
65 private GraphicsDevice graphicsDevice;
66 private GraphicsConfiguration graphicsConfig;
67
68 private SurfaceData surfaceData;
69 private final Object surfaceDataLock = new Object();
70
71 private volatile int windowState = Frame.NORMAL;
72
73 // check that the mouse is over the window
74 private volatile boolean isMouseOver = false;
75
76 // A peer where the last mouse event came to. Used by cursor manager to
77 // find the component under cursor
78 private static volatile LWComponentPeer<?, ?> lastCommonMouseEventPeer;
79
80 // A peer where the last mouse event came to. Used to generate
81 // MOUSE_ENTERED/EXITED notifications
82 private volatile LWComponentPeer<?, ?> lastMouseEventPeer;
83
84 // Peers where all dragged/released events should come to,
85 // depending on what mouse button is being dragged according to Cocoa
86 private static final LWComponentPeer<?, ?>[] mouseDownTarget = new LWComponentPeer<?, ?>[3];
87
88 // A bitmask that indicates what mouse buttons produce MOUSE_CLICKED events
89 // on MOUSE_RELEASE. Click events are only generated if there were no drag
90 // events between MOUSE_PRESSED and MOUSE_RELEASED for particular button
91 private static int mouseClickButtons = 0;
92
93 private volatile boolean isOpaque = true;
94
95 private static final Font DEFAULT_FONT = new Font("Lucida Grande", Font.PLAIN, 13);
96
97 private static LWWindowPeer grabbingWindow;
98
99 private volatile boolean skipNextFocusChange;
100
101 private static final Color nonOpaqueBackground = new Color(0, 0, 0, 0);
102
103 private volatile boolean textured;
104
105 private final PeerType peerType;
106
107 private final SecurityWarningWindow warningWindow;
108
109 private volatile boolean targetFocusable;
110
111 /**
112 * Current modal blocker or null.
113 *
114 * Synchronization: peerTreeLock.
115 */
116 private LWWindowPeer blocker;
117
118 public LWWindowPeer(Window target, PlatformComponent platformComponent,
119 PlatformWindow platformWindow, PeerType peerType)
120 {
121 super(target, platformComponent);
122 this.platformWindow = platformWindow;
123 this.peerType = peerType;
124
125 Window owner = target.getOwner();
126 LWWindowPeer ownerPeer = owner == null ? null :
127 (LWWindowPeer) AWTAccessor.getComponentAccessor().getPeer(owner);
128 PlatformWindow ownerDelegate = (ownerPeer != null) ? ownerPeer.getPlatformWindow() : null;
129
130 // The delegate.initialize() needs a non-null GC on X11.
131 GraphicsConfiguration gc = getTarget().getGraphicsConfiguration();
132 synchronized (getStateLock()) {
133 // graphicsConfig should be updated according to the real window
134 // bounds when the window is shown, see 4868278
135 this.graphicsConfig = gc;
136 }
137
138 if (!target.isFontSet()) {
139 target.setFont(DEFAULT_FONT);
140 }
141
142 if (!target.isBackgroundSet()) {
143 target.setBackground(SystemColor.window);
144 } else {
145 // first we check if user provided alpha for background. This is
146 // similar to what Apple's Java do.
147 // Since JDK7 we should rely on setOpacity() only.
148 // this.opacity = c.getAlpha();
149 }
150
151 if (!target.isForegroundSet()) {
152 target.setForeground(SystemColor.windowText);
153 // we should not call setForeground because it will call a repaint
154 // which the peer may not be ready to do yet.
155 }
156
157 platformWindow.initialize(target, this, ownerDelegate);
158
159 // Init warning window(for applets)
160 SecurityWarningWindow warn = null;
161 if (target.getWarningString() != null) {
162 // accessSystemTray permission allows to display TrayIcon, TrayIcon tooltip
163 // and TrayIcon balloon windows without a warning window.
164 if (!AWTAccessor.getWindowAccessor().isTrayIconWindow(target)) {
165 LWToolkit toolkit = (LWToolkit)Toolkit.getDefaultToolkit();
166 warn = toolkit.createSecurityWarning(target, this);
167 }
168 }
169
170 warningWindow = warn;
171 }
172
173 @Override
174 void initializeImpl() {
175 super.initializeImpl();
176
177
178 if (getTarget() instanceof Frame) {
179 setTitle(((Frame) getTarget()).getTitle());
180 setState(((Frame) getTarget()).getExtendedState());
181 } else if (getTarget() instanceof Dialog) {
182 setTitle(((Dialog) getTarget()).getTitle());
183 }
184
185 updateAlwaysOnTopState();
186 updateMinimumSize();
187
188 final Shape shape = getTarget().getShape();
189 if (shape != null) {
190 applyShape(Region.getInstance(shape, null));
191 }
192
193 final float opacity = getTarget().getOpacity();
194 if (opacity < 1.0f) {
195 setOpacity(opacity);
196 }
197
198 setOpaque(getTarget().isOpaque());
199
200 updateInsets(platformWindow.getInsets());
201 if (getSurfaceData() == null) {
202 replaceSurfaceData(false);
203 }
204 activateDisplayListener();
205 }
206
207 // Just a helper method
208 @Override
209 public PlatformWindow getPlatformWindow() {
210 return platformWindow;
211 }
212
213 @Override
214 protected LWWindowPeer getWindowPeerOrSelf() {
215 return this;
216 }
217
218 // ---- PEER METHODS ---- //
219
220 @Override
221 protected void disposeImpl() {
222 deactivateDisplayListener();
223 SurfaceData oldData = getSurfaceData();
224 synchronized (surfaceDataLock){
225 surfaceData = null;
226 }
227 if (oldData != null) {
228 oldData.invalidate();
229 }
230 if (isGrabbing()) {
231 ungrab();
232 }
233 if (warningWindow != null) {
234 warningWindow.dispose();
235 }
236
237 platformWindow.dispose();
238 super.disposeImpl();
239 }
240
241 @Override
242 protected void setVisibleImpl(final boolean visible) {
243 if (!visible && warningWindow != null) {
244 warningWindow.setVisible(false, false);
245 }
246 updateFocusableWindowState();
247 super.setVisibleImpl(visible);
248 // TODO: update graphicsConfig, see 4868278
249 platformWindow.setVisible(visible);
250 if (isSimpleWindow()) {
251 KeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
252 if (visible) {
253 if (!getTarget().isAutoRequestFocus()) {
254 return;
255 } else {
256 requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
257 }
258 // Focus the owner in case this window is focused.
259 } else if (kfmPeer.getCurrentFocusedWindow() == getTarget()) {
260 // Transfer focus to the owner.
261 LWWindowPeer owner = getOwnerFrameDialog(LWWindowPeer.this);
262 if (owner != null) {
263 owner.requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
264 }
265 }
266 }
267 }
268
269 @Override
270 public final GraphicsConfiguration getGraphicsConfiguration() {
271 synchronized (getStateLock()) {
272 return graphicsConfig;
273 }
274 }
275
276 @Override
277 public boolean updateGraphicsData(GraphicsConfiguration gc) {
278 setGraphicsConfig(gc);
279 return false;
280 }
281
282 protected final Graphics getOnscreenGraphics(Color fg, Color bg, Font f) {
283 if (getSurfaceData() == null) {
284 return null;
285 }
286 if (fg == null) {
287 fg = SystemColor.windowText;
288 }
289 if (bg == null) {
290 bg = SystemColor.window;
291 }
292 if (f == null) {
293 f = DEFAULT_FONT;
294 }
295 return platformWindow.transformGraphics(new SunGraphics2D(getSurfaceData(), fg, bg, f));
296 }
297
298 @Override
299 public void setBounds(int x, int y, int w, int h, int op) {
300
301 if((op & NO_EMBEDDED_CHECK) == 0 && getPeerType() == PeerType.VIEW_EMBEDDED_FRAME) {
302 return;
303 }
304
305 if ((op & SET_CLIENT_SIZE) != 0) {
306 // SET_CLIENT_SIZE is only applicable to window peers, so handle it here
307 // instead of pulling 'insets' field up to LWComponentPeer
308 // no need to add insets since Window's notion of width and height includes insets.
309 op &= ~SET_CLIENT_SIZE;
310 op |= SET_SIZE;
311 }
312
313 // Don't post ComponentMoved/Resized and Paint events
314 // until we've got a notification from the delegate
315 Rectangle cb = constrainBounds(x, y, w, h);
316
317 Rectangle newBounds = new Rectangle(getBounds());
318 if ((op & (SET_LOCATION | SET_BOUNDS)) != 0) {
319 newBounds.x = cb.x;
320 newBounds.y = cb.y;
321 }
322 if ((op & (SET_SIZE | SET_BOUNDS)) != 0) {
323 newBounds.width = cb.width;
324 newBounds.height = cb.height;
325 }
326 // Native system could constraint bounds, so the peer wold be updated in the callback
327 platformWindow.setBounds(newBounds.x, newBounds.y, newBounds.width, newBounds.height);
328 }
329
330 public Rectangle constrainBounds(Rectangle bounds) {
331 return constrainBounds(bounds.x, bounds.y, bounds.width, bounds.height);
332 }
333
334 public Rectangle constrainBounds(int x, int y, int w, int h) {
335
336 if (w < MINIMUM_WIDTH) {
337 w = MINIMUM_WIDTH;
338 }
339
340 if (h < MINIMUM_HEIGHT) {
341 h = MINIMUM_HEIGHT;
342 }
343
344 final int maxW = getLWGC().getMaxTextureWidth();
345 final int maxH = getLWGC().getMaxTextureHeight();
346
347 if (w > maxW) {
348 w = maxW;
349 }
350 if (h > maxH) {
351 h = maxH;
352 }
353
354 return new Rectangle(x, y, w, h);
355 }
356
357 @Override
358 public Point getLocationOnScreen() {
359 return platformWindow.getLocationOnScreen();
360 }
361
362 /**
363 * Overridden from LWContainerPeer to return the correct insets.
364 * Insets are queried from the delegate and are kept up to date by
365 * requiering when needed (i.e. when the window geometry is changed).
366 */
367 @Override
368 public Insets getInsets() {
369 synchronized (getStateLock()) {
370 return insets;
371 }
372 }
373
374 @Override
375 public FontMetrics getFontMetrics(Font f) {
376 // TODO: check for "use platform metrics" settings
377 return platformWindow.getFontMetrics(f);
378 }
379
380 @Override
381 public void toFront() {
382 platformWindow.toFront();
383 }
384
385 @Override
386 public void toBack() {
387 platformWindow.toBack();
388 }
389
390 @Override
391 public void setZOrder(ComponentPeer above) {
392 throw new RuntimeException("not implemented");
393 }
394
395 @Override
396 public void updateAlwaysOnTopState() {
397 platformWindow.setAlwaysOnTop(getTarget().isAlwaysOnTop());
398 }
399
400 @Override
401 public void updateFocusableWindowState() {
402 targetFocusable = getTarget().isFocusableWindow();
403 platformWindow.updateFocusableWindowState();
404 }
405
406 @Override
407 public void setModalBlocked(Dialog blocker, boolean blocked) {
408 synchronized (getPeerTreeLock()) {
409 ComponentPeer peer = AWTAccessor.getComponentAccessor().getPeer(blocker);
410 if (blocked && (peer instanceof LWWindowPeer)) {
411 this.blocker = (LWWindowPeer) peer;
412 } else {
413 this.blocker = null;
414 }
415 }
416
417 platformWindow.setModalBlocked(blocked);
418 }
419
420 @Override
421 public void updateMinimumSize() {
422 final Dimension min;
423 if (getTarget().isMinimumSizeSet()) {
424 min = getTarget().getMinimumSize();
425 min.width = Math.max(min.width, MINIMUM_WIDTH);
426 min.height = Math.max(min.height, MINIMUM_HEIGHT);
427 } else {
428 min = new Dimension(MINIMUM_WIDTH, MINIMUM_HEIGHT);
429 }
430
431 final Dimension max;
432 if (getTarget().isMaximumSizeSet()) {
433 max = getTarget().getMaximumSize();
434 max.width = Math.min(max.width, getLWGC().getMaxTextureWidth());
435 max.height = Math.min(max.height, getLWGC().getMaxTextureHeight());
436 } else {
437 max = new Dimension(getLWGC().getMaxTextureWidth(),
438 getLWGC().getMaxTextureHeight());
439 }
440
441 platformWindow.setSizeConstraints(min.width, min.height, max.width, max.height);
442 }
443
444 @Override
445 public void updateIconImages() {
446 getPlatformWindow().updateIconImages();
447 }
448
449 @Override
450 public void setBackground(final Color c) {
451 super.setBackground(c);
452 updateOpaque();
453 }
454
455 @Override
456 public void setOpacity(float opacity) {
457 getPlatformWindow().setOpacity(opacity);
458 repaintPeer();
459 }
460
461 @Override
462 public final void setOpaque(final boolean isOpaque) {
463 if (this.isOpaque != isOpaque) {
464 this.isOpaque = isOpaque;
465 updateOpaque();
466 }
467 }
468
469 private void updateOpaque() {
470 getPlatformWindow().setOpaque(!isTranslucent());
471 replaceSurfaceData(false);
472 repaintPeer();
473 }
474
475 @Override
476 public void updateWindow() {
477 }
478
479 public final boolean isTextured() {
480 return textured;
481 }
482
483 public final void setTextured(final boolean isTextured) {
484 textured = isTextured;
485 }
486
487 @Override
488 public final boolean isTranslucent() {
489 synchronized (getStateLock()) {
490 /*
491 * Textured window is a special case of translucent window.
492 * The difference is only in nswindow background. So when we set
493 * texture property our peer became fully translucent. It doesn't
494 * fill background, create non opaque backbuffers and layer etc.
495 */
496 return !isOpaque || isShaped() || isTextured();
497 }
498 }
499
500 @Override
501 final void applyShapeImpl(final Region shape) {
502 super.applyShapeImpl(shape);
503 updateOpaque();
504 }
505
506 @Override
507 public void repositionSecurityWarning() {
508 if (warningWindow != null) {
509 ComponentAccessor compAccessor = AWTAccessor.getComponentAccessor();
510 Window target = getTarget();
511 int x = compAccessor.getX(target);
512 int y = compAccessor.getY(target);
513 int width = compAccessor.getWidth(target);
514 int height = compAccessor.getHeight(target);
515 warningWindow.reposition(x, y, width, height);
516 }
517 }
518
519 // ---- FRAME PEER METHODS ---- //
520
521 @Override // FramePeer and DialogPeer
522 public void setTitle(String title) {
523 platformWindow.setTitle(title == null ? "" : title);
524 }
525
526 @Override
527 public void setMenuBar(MenuBar mb) {
528 platformWindow.setMenuBar(mb);
529 }
530
531 @Override // FramePeer and DialogPeer
532 public void setResizable(boolean resizable) {
533 platformWindow.setResizable(resizable);
534 }
535
536 @Override
537 public void setState(int state) {
538 platformWindow.setWindowState(state);
539 }
540
541 @Override
542 public int getState() {
543 return windowState;
544 }
545
546 public Rectangle getMaximizedBounds() {
547 Object target = getTarget();
548 return (target instanceof Frame)
549 ? ((Frame) target).getMaximizedBounds() : null;
550 }
551
552 public Rectangle getDefaultMaximizedBounds() {
553 GraphicsConfiguration config = getGraphicsConfiguration();
554 Insets insets = ((CGraphicsDevice) config.getDevice()).getScreenInsets();
555 Rectangle toBounds = config.getBounds();
556 return new Rectangle(
557 toBounds.x + insets.left,
558 toBounds.y + insets.top,
559 toBounds.width - insets.left - insets.right,
560 toBounds.height - insets.top - insets.bottom);
561 }
562
563 @Override
564 public void setMaximizedBounds(Rectangle bounds) {
565
566 bounds = (bounds == null)
567 ? getDefaultMaximizedBounds()
568 : constrainBounds(bounds);
569 platformWindow.setMaximizedBounds(
570 bounds.x, bounds.y, bounds.width, bounds.height);
571 }
572
573 private void updateMaximizedBounds() {
574 Rectangle maximizedBounds = getMaximizedBounds();
575 if (maximizedBounds == null) {
576 setMaximizedBounds(getDefaultMaximizedBounds());
577 }
578 }
579
580 @Override
581 public void setBoundsPrivate(int x, int y, int width, int height) {
582 setBounds(x, y, width, height, SET_BOUNDS | NO_EMBEDDED_CHECK);
583 }
584
585 @Override
586 public Rectangle getBoundsPrivate() {
587 throw new RuntimeException("not implemented");
588 }
589
590 // ---- DIALOG PEER METHODS ---- //
591
592 @Override
593 public void blockWindows(List<Window> windows) {
594 //TODO: LWX will probably need some collectJavaToplevels to speed this up
595 for (Window w : windows) {
596 WindowPeer wp = AWTAccessor.getComponentAccessor().getPeer(w);
597 if (wp != null) {
598 wp.setModalBlocked((Dialog)getTarget(), true);
599 }
600 }
601 }
602
603 // ---- PEER NOTIFICATIONS ---- //
604
605 @Override
606 public void notifyIconify(boolean iconify) {
607 //The toplevel target is Frame and states are applicable to it.
608 //Otherwise, the target is Window and it don't have state property.
609 //Hopefully, no such events are posted in the queue so consider the
610 //target as Frame in all cases.
611
612 // REMIND: should we send it anyway if the state not changed since last
613 // time?
614 WindowEvent iconifyEvent = new WindowEvent(getTarget(),
615 iconify ? WindowEvent.WINDOW_ICONIFIED
616 : WindowEvent.WINDOW_DEICONIFIED);
617 postEvent(iconifyEvent);
618
619 int newWindowState = iconify ? Frame.ICONIFIED : Frame.NORMAL;
620 postWindowStateChangedEvent(newWindowState);
621
622 // REMIND: RepaintManager doesn't repaint iconified windows and
623 // hence ignores any repaint request during deiconification.
624 // So, we need to repaint window explicitly when it becomes normal.
625 if (!iconify) {
626 repaintPeer();
627 }
628 }
629
630 @Override
631 public void notifyZoom(boolean isZoomed) {
632 int newWindowState = isZoomed ? Frame.MAXIMIZED_BOTH : Frame.NORMAL;
633 postWindowStateChangedEvent(newWindowState);
634 }
635
636 /**
637 * Called by the {@code PlatformWindow} when any part of the window should
638 * be repainted.
639 */
640 @Override
641 public void notifyExpose(final Rectangle r) {
642 repaintPeer(r);
643 }
644
645 /**
646 * Called by the {@code PlatformWindow} when this window is moved/resized by
647 * user or window insets are changed. There's no notifyReshape() in
648 * LWComponentPeer as the only components which could be resized by user are
649 * top-level windows.
650 */
651 @Override
652 public void notifyReshape(int x, int y, int w, int h) {
653 Rectangle oldBounds = getBounds();
654 final boolean invalid = updateInsets(platformWindow.getInsets());
655 final boolean moved = (x != oldBounds.x) || (y != oldBounds.y);
656 final boolean resized = (w != oldBounds.width) || (h != oldBounds.height);
657
658 // Check if anything changed
659 if (!moved && !resized && !invalid) {
660 return;
661 }
662 // First, update peer's bounds
663 setBounds(x, y, w, h, SET_BOUNDS, false, false);
664
665 // Second, update the graphics config and surface data
666 final boolean isNewDevice = updateGraphicsDevice();
667 if (isNewDevice) {
668 updateMaximizedBounds();
669 }
670
671 if (resized || isNewDevice) {
672 replaceSurfaceData();
673 updateMinimumSize();
674 }
675
676 // Third, COMPONENT_MOVED/COMPONENT_RESIZED/PAINT events
677 if (moved || invalid) {
678 handleMove(x, y, true);
679 }
680 if (resized || invalid || isNewDevice) {
681 handleResize(w, h, true);
682 repaintPeer();
683 }
684
685 repositionSecurityWarning();
686 }
687
688 private void clearBackground(final int w, final int h) {
689 final Graphics g = getOnscreenGraphics(getForeground(), getBackground(),
690 getFont());
691 if (g != null) {
692 try {
693 if (g instanceof Graphics2D) {
694 ((Graphics2D) g).setComposite(AlphaComposite.Src);
695 }
696 if (isTranslucent()) {
697 g.setColor(nonOpaqueBackground);
698 g.fillRect(0, 0, w, h);
699 }
700 if (!isTextured()) {
701 if (g instanceof SunGraphics2D) {
702 ((SunGraphics2D) g).constrain(0, 0, w, h, getRegion());
703 }
704 g.setColor(getBackground());
705 g.fillRect(0, 0, w, h);
706 }
707 } finally {
708 g.dispose();
709 }
710 }
711 }
712
713 @Override
714 public void notifyUpdateCursor() {
715 getLWToolkit().getCursorManager().updateCursorLater(this);
716 }
717
718 @Override
719 public void notifyActivation(boolean activation, LWWindowPeer opposite) {
720 Window oppositeWindow = (opposite == null)? null : opposite.getTarget();
721 changeFocusedWindow(activation, oppositeWindow);
722 }
723
724 // MouseDown in non-client area
725 @Override
726 public void notifyNCMouseDown() {
727 // Ungrab except for a click on a Dialog with the grabbing owner
728 if (grabbingWindow != null &&
729 !grabbingWindow.isOneOfOwnersOf(this))
730 {
731 grabbingWindow.ungrab();
732 }
733 }
734
735 // ---- EVENTS ---- //
736
737 /*
738 * Called by the delegate to dispatch the event to Java. Event
739 * coordinates are relative to non-client window are, i.e. the top-left
740 * point of the client area is (insets.top, insets.left).
741 */
742 @Override
743 public void notifyMouseEvent(int id, long when, int button,
744 int x, int y, int screenX, int screenY,
745 int modifiers, int clickCount, boolean popupTrigger,
746 byte[] bdata)
747 {
748 // TODO: fill "bdata" member of AWTEvent
749 Rectangle r = getBounds();
750 // findPeerAt() expects parent coordinates
751 LWComponentPeer<?, ?> targetPeer = findPeerAt(r.x + x, r.y + y);
752
753 if (id == MouseEvent.MOUSE_EXITED) {
754 isMouseOver = false;
755 if (lastMouseEventPeer != null) {
756 if (lastMouseEventPeer.isEnabled()) {
757 Point lp = lastMouseEventPeer.windowToLocal(x, y,
758 this);
759 Component target = lastMouseEventPeer.getTarget();
760 postMouseExitedEvent(target, when, modifiers, lp,
761 screenX, screenY, clickCount, popupTrigger, button);
762 }
763
764 // Sometimes we may get MOUSE_EXITED after lastCommonMouseEventPeer is switched
765 // to a peer from another window. So we must first check if this peer is
766 // the same as lastWindowPeer
767 if (lastCommonMouseEventPeer != null && lastCommonMouseEventPeer.getWindowPeerOrSelf() == this) {
768 lastCommonMouseEventPeer = null;
769 }
770 lastMouseEventPeer = null;
771 }
772 } else if(id == MouseEvent.MOUSE_ENTERED) {
773 isMouseOver = true;
774 if (targetPeer != null) {
775 if (targetPeer.isEnabled()) {
776 Point lp = targetPeer.windowToLocal(x, y, this);
777 Component target = targetPeer.getTarget();
778 postMouseEnteredEvent(target, when, modifiers, lp,
779 screenX, screenY, clickCount, popupTrigger, button);
780 }
781 lastCommonMouseEventPeer = targetPeer;
782 lastMouseEventPeer = targetPeer;
783 }
784 } else {
785 PlatformWindow topmostPlatforWindow =
786 platformWindow.getTopmostPlatformWindowUnderMouse();
787
788 LWWindowPeer topmostWindowPeer =
789 topmostPlatforWindow != null ? topmostPlatforWindow.getPeer() : null;
790
791 // topmostWindowPeer == null condition is added for the backward
792 // compatibility with applets. It can be removed when the
793 // getTopmostPlatformWindowUnderMouse() method will be properly
794 // implemented in CPlatformEmbeddedFrame class
795 if (topmostWindowPeer == this || topmostWindowPeer == null) {
796 generateMouseEnterExitEventsForComponents(when, button, x, y,
797 screenX, screenY, modifiers, clickCount, popupTrigger,
798 targetPeer);
799 } else {
800 LWComponentPeer<?, ?> topmostTargetPeer =
801 topmostWindowPeer != null ? topmostWindowPeer.findPeerAt(r.x + x, r.y + y) : null;
802 topmostWindowPeer.generateMouseEnterExitEventsForComponents(when, button, x, y,
803 screenX, screenY, modifiers, clickCount, popupTrigger,
804 topmostTargetPeer);
805 }
806
807 // TODO: fill "bdata" member of AWTEvent
808
809 int eventButtonMask = (button > 0)? MouseEvent.getMaskForButton(button) : 0;
810 int otherButtonsPressed = modifiers & ~eventButtonMask;
811
812 // For pressed/dragged/released events OS X treats other
813 // mouse buttons as if they were BUTTON2, so we do the same
814 int targetIdx = (button > 3) ? MouseEvent.BUTTON2 - 1 : button - 1;
815
816 // MOUSE_ENTERED/EXITED are generated for the components strictly under
817 // mouse even when dragging. That's why we first update lastMouseEventPeer
818 // based on initial targetPeer value and only then recalculate targetPeer
819 // for MOUSE_DRAGGED/RELEASED events
820 if (id == MouseEvent.MOUSE_PRESSED) {
821
822 // Ungrab only if this window is not an owned window of the grabbing one.
823 if (!isGrabbing() && grabbingWindow != null &&
824 !grabbingWindow.isOneOfOwnersOf(this))
825 {
826 grabbingWindow.ungrab();
827 }
828 if (otherButtonsPressed == 0) {
829 mouseClickButtons = eventButtonMask;
830 } else {
831 mouseClickButtons |= eventButtonMask;
832 }
833
834 // The window should be focused on mouse click. If it gets activated by the native platform,
835 // this request will be no op. It will take effect when:
836 // 1. A simple not focused window is clicked.
837 // 2. An active but not focused owner frame/dialog is clicked.
838 // The mouse event then will trigger a focus request "in window" to the component, so the window
839 // should gain focus before.
840 requestWindowFocus(CausedFocusEvent.Cause.MOUSE_EVENT);
841
842 mouseDownTarget[targetIdx] = targetPeer;
843 } else if (id == MouseEvent.MOUSE_DRAGGED) {
844 // Cocoa dragged event has the information about which mouse
845 // button is being dragged. Use it to determine the peer that
846 // should receive the dragged event.
847 targetPeer = mouseDownTarget[targetIdx];
848 mouseClickButtons &= ~modifiers;
849 } else if (id == MouseEvent.MOUSE_RELEASED) {
850 // TODO: currently, mouse released event goes to the same component
851 // that received corresponding mouse pressed event. For most cases,
852 // it's OK, however, we need to make sure that our behavior is consistent
853 // with 1.6 for cases where component in question have been
854 // hidden/removed in between of mouse pressed/released events.
855 targetPeer = mouseDownTarget[targetIdx];
856
857 if ((modifiers & eventButtonMask) == 0) {
858 mouseDownTarget[targetIdx] = null;
859 }
860
861 // mouseClickButtons is updated below, after MOUSE_CLICK is sent
862 }
863
864 if (targetPeer == null) {
865 //TODO This can happen if this window is invisible. this is correct behavior in this case?
866 targetPeer = this;
867 }
868
869
870 Point lp = targetPeer.windowToLocal(x, y, this);
871 if (targetPeer.isEnabled()) {
872 MouseEvent event = new MouseEvent(targetPeer.getTarget(), id,
873 when, modifiers, lp.x, lp.y,
874 screenX, screenY, clickCount,
875 popupTrigger, button);
876 postEvent(event);
877 }
878
879 if (id == MouseEvent.MOUSE_RELEASED) {
880 if ((mouseClickButtons & eventButtonMask) != 0
881 && targetPeer.isEnabled()) {
882 postEvent(new MouseEvent(targetPeer.getTarget(),
883 MouseEvent.MOUSE_CLICKED,
884 when, modifiers,
885 lp.x, lp.y, screenX, screenY,
886 clickCount, popupTrigger, button));
887 }
888 mouseClickButtons &= ~eventButtonMask;
889 }
890 }
891 notifyUpdateCursor();
892 }
893
894 private void generateMouseEnterExitEventsForComponents(long when,
895 int button, int x, int y, int screenX, int screenY,
896 int modifiers, int clickCount, boolean popupTrigger,
897 final LWComponentPeer<?, ?> targetPeer) {
898
899 if (!isMouseOver || targetPeer == lastMouseEventPeer) {
900 return;
901 }
902
903 // Generate Mouse Exit for components
904 if (lastMouseEventPeer != null && lastMouseEventPeer.isEnabled()) {
905 Point oldp = lastMouseEventPeer.windowToLocal(x, y, this);
906 Component target = lastMouseEventPeer.getTarget();
907 postMouseExitedEvent(target, when, modifiers, oldp, screenX, screenY,
908 clickCount, popupTrigger, button);
909 }
910 lastCommonMouseEventPeer = targetPeer;
911 lastMouseEventPeer = targetPeer;
912
913 // Generate Mouse Enter for components
914 if (targetPeer != null && targetPeer.isEnabled()) {
915 Point newp = targetPeer.windowToLocal(x, y, this);
916 Component target = targetPeer.getTarget();
917 postMouseEnteredEvent(target, when, modifiers, newp, screenX, screenY, clickCount, popupTrigger, button);
918 }
919 }
920
921 private void postMouseEnteredEvent(Component target, long when, int modifiers,
922 Point loc, int xAbs, int yAbs,
923 int clickCount, boolean popupTrigger, int button) {
924
925 updateSecurityWarningVisibility();
926
927 postEvent(new MouseEvent(target,
928 MouseEvent.MOUSE_ENTERED,
929 when, modifiers,
930 loc.x, loc.y, xAbs, yAbs,
931 clickCount, popupTrigger, button));
932 }
933
934 private void postMouseExitedEvent(Component target, long when, int modifiers,
935 Point loc, int xAbs, int yAbs,
936 int clickCount, boolean popupTrigger, int button) {
937
938 updateSecurityWarningVisibility();
939
940 postEvent(new MouseEvent(target,
941 MouseEvent.MOUSE_EXITED,
942 when, modifiers,
943 loc.x, loc.y, xAbs, yAbs,
944 clickCount, popupTrigger, button));
945 }
946
947 @Override
948 public void notifyMouseWheelEvent(long when, int x, int y, int modifiers,
949 int scrollType, int scrollAmount,
950 int wheelRotation, double preciseWheelRotation,
951 byte[] bdata)
952 {
953 // TODO: could we just use the last mouse event target here?
954 Rectangle r = getBounds();
955 // findPeerAt() expects parent coordinates
956 final LWComponentPeer<?, ?> targetPeer = findPeerAt(r.x + x, r.y + y);
957 if (targetPeer == null || !targetPeer.isEnabled()) {
958 return;
959 }
960
961 Point lp = targetPeer.windowToLocal(x, y, this);
962 // TODO: fill "bdata" member of AWTEvent
963 // TODO: screenX/screenY
964 postEvent(new MouseWheelEvent(targetPeer.getTarget(),
965 MouseEvent.MOUSE_WHEEL,
966 when, modifiers,
967 lp.x, lp.y,
968 0, 0, /* screenX, Y */
969 0 /* clickCount */, false /* popupTrigger */,
970 scrollType, scrollAmount,
971 wheelRotation, preciseWheelRotation));
972 }
973
974 /*
975 * Called by the delegate when a key is pressed.
976 */
977 @Override
978 public void notifyKeyEvent(int id, long when, int modifiers,
979 int keyCode, char keyChar, int keyLocation)
980 {
981 LWKeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
982 Component focusOwner = kfmPeer.getCurrentFocusOwner();
983
984 if (focusOwner == null) {
985 focusOwner = kfmPeer.getCurrentFocusedWindow();
986 if (focusOwner == null) {
987 focusOwner = this.getTarget();
988 }
989 }
990
991 KeyEvent keyEvent = new KeyEvent(focusOwner, id, when, modifiers,
992 keyCode, keyChar, keyLocation);
993 AWTAccessor.getKeyEventAccessor().setExtendedKeyCode(keyEvent,
994 (keyChar == KeyEvent.CHAR_UNDEFINED) ? keyCode
995 : ExtendedKeyCodes.getExtendedKeyCodeForChar(keyChar));
996 postEvent(keyEvent);
997 }
998
999 // ---- UTILITY METHODS ---- //
1000
1001 private void activateDisplayListener() {
1002 final GraphicsEnvironment ge =
1003 GraphicsEnvironment.getLocalGraphicsEnvironment();
1004 ((SunGraphicsEnvironment) ge).addDisplayChangedListener(this);
1005 }
1006
1007 private void deactivateDisplayListener() {
1008 final GraphicsEnvironment ge =
1009 GraphicsEnvironment.getLocalGraphicsEnvironment();
1010 ((SunGraphicsEnvironment) ge).removeDisplayChangedListener(this);
1011 }
1012
1013 private void postWindowStateChangedEvent(int newWindowState) {
1014 if (getTarget() instanceof Frame) {
1015 AWTAccessor.getFrameAccessor().setExtendedState(
1016 (Frame)getTarget(), newWindowState);
1017 }
1018
1019 WindowEvent stateChangedEvent = new WindowEvent(getTarget(),
1020 WindowEvent.WINDOW_STATE_CHANGED,
1021 windowState, newWindowState);
1022 postEvent(stateChangedEvent);
1023 windowState = newWindowState;
1024
1025 updateSecurityWarningVisibility();
1026 }
1027
1028 private static int getGraphicsConfigScreen(GraphicsConfiguration gc) {
1029 // TODO: this method can be implemented in a more
1030 // efficient way by forwarding to the delegate
1031 GraphicsDevice gd = gc.getDevice();
1032 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
1033 GraphicsDevice[] gds = ge.getScreenDevices();
1034 for (int i = 0; i < gds.length; i++) {
1035 if (gds[i] == gd) {
1036 return i;
1037 }
1038 }
1039 // Should never happen if gc is a screen device config
1040 return 0;
1041 }
1042
1043 /*
1044 * This method is called when window's graphics config is changed from
1045 * the app code (e.g. when the window is made non-opaque) or when
1046 * the window is moved to another screen by user.
1047 *
1048 * Returns true if the graphics config has been changed, false otherwise.
1049 */
1050 private boolean setGraphicsConfig(GraphicsConfiguration gc) {
1051 synchronized (getStateLock()) {
1052 if (graphicsConfig == gc) {
1053 return false;
1054 }
1055 // If window's graphics config is changed from the app code, the
1056 // config correspond to the same device as before; when the window
1057 // is moved by user, graphicsDevice is updated in notifyReshape().
1058 // In either case, there's nothing to do with screenOn here
1059 graphicsConfig = gc;
1060 }
1061 // SurfaceData is replaced later in updateGraphicsData()
1062 return true;
1063 }
1064
1065 /**
1066 * Returns true if the GraphicsDevice has been changed, false otherwise.
1067 */
1068 public boolean updateGraphicsDevice() {
1069 GraphicsDevice newGraphicsDevice = platformWindow.getGraphicsDevice();
1070 synchronized (getStateLock()) {
1071 if (graphicsDevice == newGraphicsDevice) {
1072 return false;
1073 }
1074 graphicsDevice = newGraphicsDevice;
1075 }
1076
1077 final GraphicsConfiguration newGC = newGraphicsDevice.getDefaultConfiguration();
1078
1079 if (!setGraphicsConfig(newGC)) return false;
1080
1081 SunToolkit.executeOnEventHandlerThread(getTarget(), new Runnable() {
1082 public void run() {
1083 AWTAccessor.getComponentAccessor().setGraphicsConfiguration(getTarget(), newGC);
1084 }
1085 });
1086 return true;
1087 }
1088
1089 @Override
1090 public final void displayChanged() {
1091 if (updateGraphicsDevice()) {
1092 updateMinimumSize();
1093 }
1094
1095 updateMaximizedBounds();
1096
1097 // Replace surface unconditionally, because internal state of the
1098 // GraphicsDevice could be changed.
1099 replaceSurfaceData();
1100 repaintPeer();
1101 }
1102
1103 @Override
1104 public final void paletteChanged() {
1105 // components do not need to react to this event.
1106 }
1107
1108 /*
1109 * May be called by delegate to provide SD to Java2D code.
1110 */
1111 public SurfaceData getSurfaceData() {
1112 synchronized (surfaceDataLock) {
1113 return surfaceData;
1114 }
1115 }
1116
1117 private void replaceSurfaceData() {
1118 replaceSurfaceData(true);
1119 }
1120
1121 private void replaceSurfaceData(final boolean blit) {
1122 synchronized (surfaceDataLock) {
1123 final SurfaceData oldData = getSurfaceData();
1124 surfaceData = platformWindow.replaceSurfaceData();
1125 final Rectangle size = getSize();
1126 if (getSurfaceData() != null && oldData != getSurfaceData()) {
1127 clearBackground(size.width, size.height);
1128 }
1129
1130 if (blit) {
1131 blitSurfaceData(oldData, getSurfaceData());
1132 }
1133
1134 if (oldData != null && oldData != getSurfaceData()) {
1135 // TODO: drop oldData for D3D/WGL pipelines
1136 // This can only happen when this peer is being created
1137 oldData.flush();
1138 }
1139 }
1140 flushOnscreenGraphics();
1141 }
1142
1143 private void blitSurfaceData(final SurfaceData src, final SurfaceData dst) {
1144 //TODO blit. proof-of-concept
1145 if (src != dst && src != null && dst != null
1146 && !(dst instanceof NullSurfaceData)
1147 && !(src instanceof NullSurfaceData)
1148 && src.getSurfaceType().equals(dst.getSurfaceType())
1149 && src.getDefaultScale() == dst.getDefaultScale()) {
1150 final Rectangle size = src.getBounds();
1151 final Blit blit = Blit.locate(src.getSurfaceType(),
1152 CompositeType.Src,
1153 dst.getSurfaceType());
1154 if (blit != null) {
1155 blit.Blit(src, dst, AlphaComposite.Src, null, 0, 0, 0, 0,
1156 size.width, size.height);
1157 }
1158 }
1159 }
1160
1161 /**
1162 * Request the window insets from the delegate and compares it with the
1163 * current one. This method is mostly called by the delegate, e.g. when the
1164 * window state is changed and insets should be recalculated.
1165 * <p/>
1166 * This method may be called on the toolkit thread.
1167 */
1168 public final boolean updateInsets(final Insets newInsets) {
1169 synchronized (getStateLock()) {
1170 if (insets.equals(newInsets)) {
1171 return false;
1172 }
1173 insets = newInsets;
1174 }
1175 return true;
1176 }
1177
1178 public static LWWindowPeer getWindowUnderCursor() {
1179 return lastCommonMouseEventPeer != null ? lastCommonMouseEventPeer.getWindowPeerOrSelf() : null;
1180 }
1181
1182 public static LWComponentPeer<?, ?> getPeerUnderCursor() {
1183 return lastCommonMouseEventPeer;
1184 }
1185
1186 /*
1187 * Requests platform to set native focus on a frame/dialog.
1188 * In case of a simple window, triggers appropriate java focus change.
1189 */
1190 public boolean requestWindowFocus(CausedFocusEvent.Cause cause) {
1191 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1192 focusLog.fine("requesting native focus to " + this);
1193 }
1194
1195 if (!focusAllowedFor()) {
1196 focusLog.fine("focus is not allowed");
1197 return false;
1198 }
1199
1200 if (platformWindow.rejectFocusRequest(cause)) {
1201 return false;
1202 }
1203
1204 AppContext targetAppContext = AWTAccessor.getComponentAccessor().getAppContext(getTarget());
1205 KeyboardFocusManager kfm = AWTAccessor.getKeyboardFocusManagerAccessor()
1206 .getCurrentKeyboardFocusManager(targetAppContext);
1207 Window currentActive = kfm.getActiveWindow();
1208
1209
1210 Window opposite = LWKeyboardFocusManagerPeer.getInstance().
1211 getCurrentFocusedWindow();
1212
1213 // Make the owner active window.
1214 if (isSimpleWindow()) {
1215 LWWindowPeer owner = getOwnerFrameDialog(this);
1216
1217 // If owner is not natively active, request native
1218 // activation on it w/o sending events up to java.
1219 if (owner != null && !owner.platformWindow.isActive()) {
1220 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1221 focusLog.fine("requesting native focus to the owner " + owner);
1222 }
1223 LWWindowPeer currentActivePeer = currentActive == null ? null :
1224 (LWWindowPeer) AWTAccessor.getComponentAccessor().getPeer(
1225 currentActive);
1226
1227 // Ensure the opposite is natively active and suppress sending events.
1228 if (currentActivePeer != null && currentActivePeer.platformWindow.isActive()) {
1229 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1230 focusLog.fine("the opposite is " + currentActivePeer);
1231 }
1232 currentActivePeer.skipNextFocusChange = true;
1233 }
1234 owner.skipNextFocusChange = true;
1235
1236 owner.platformWindow.requestWindowFocus();
1237 }
1238
1239 // DKFM will synthesize all the focus/activation events correctly.
1240 changeFocusedWindow(true, opposite);
1241 return true;
1242
1243 // In case the toplevel is active but not focused, change focus directly,
1244 // as requesting native focus on it will not have effect.
1245 } else if (getTarget() == currentActive && !getTarget().hasFocus()) {
1246
1247 changeFocusedWindow(true, opposite);
1248 return true;
1249 }
1250
1251 return platformWindow.requestWindowFocus();
1252 }
1253
1254 protected boolean focusAllowedFor() {
1255 Window window = getTarget();
1256 // TODO: check if modal blocked
1257 return window.isVisible() && window.isEnabled() && isFocusableWindow();
1258 }
1259
1260 private boolean isFocusableWindow() {
1261 boolean focusable = targetFocusable;
1262 if (isSimpleWindow()) {
1263 LWWindowPeer ownerPeer = getOwnerFrameDialog(this);
1264 if (ownerPeer == null) {
1265 return false;
1266 }
1267 return focusable && ownerPeer.targetFocusable;
1268 }
1269 return focusable;
1270 }
1271
1272 public boolean isSimpleWindow() {
1273 Window window = getTarget();
1274 return !(window instanceof Dialog || window instanceof Frame);
1275 }
1276
1277 @Override
1278 public void emulateActivation(boolean activate) {
1279 changeFocusedWindow(activate, null);
1280 }
1281
1282 @SuppressWarnings("deprecation")
1283 private boolean isOneOfOwnersOf(LWWindowPeer peer) {
1284 Window owner = (peer != null ? peer.getTarget().getOwner() : null);
1285 while (owner != null) {
1286 final ComponentAccessor acc = AWTAccessor.getComponentAccessor();
1287 if (acc.getPeer(owner) == this) {
1288 return true;
1289 }
1290 owner = owner.getOwner();
1291 }
1292 return false;
1293 }
1294
1295 /*
1296 * Changes focused window on java level.
1297 */
1298 protected void changeFocusedWindow(boolean becomesFocused, Window opposite) {
1299 if (focusLog.isLoggable(PlatformLogger.Level.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.Level.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() || this.isOneOfOwnersOf(grabbingWindow)))
1327 {
1328 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1329 focusLog.fine("ungrabbing on " + grabbingWindow);
1330 }
1331 // ungrab a simple window if its owner looses activation.
1332 grabbingWindow.ungrab();
1333 }
1334
1335 KeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
1336
1337 if (!becomesFocused && kfmPeer.getCurrentFocusedWindow() != getTarget()) {
1338 // late window focus lost event - ingoring
1339 return;
1340 }
1341
1342 kfmPeer.setCurrentFocusedWindow(becomesFocused ? getTarget() : null);
1343
1344 int eventID = becomesFocused ? WindowEvent.WINDOW_GAINED_FOCUS : WindowEvent.WINDOW_LOST_FOCUS;
1345 WindowEvent windowEvent = new TimedWindowEvent(getTarget(), eventID, opposite, System.currentTimeMillis());
1346
1347 // TODO: wrap in SequencedEvent
1348 postEvent(windowEvent);
1349 }
1350
1351 /*
1352 * Retrieves the owner of the peer.
1353 * Note: this method returns the owner which can be activated, (i.e. the instance
1354 * of Frame or Dialog may be returned).
1355 */
1356 static LWWindowPeer getOwnerFrameDialog(LWWindowPeer peer) {
1357 Window owner = (peer != null ? peer.getTarget().getOwner() : null);
1358 while (owner != null && !(owner instanceof Frame || owner instanceof Dialog)) {
1359 owner = owner.getOwner();
1360 }
1361 return owner == null ? null : AWTAccessor.getComponentAccessor()
1362 .getPeer(owner);
1363 }
1364
1365 /**
1366 * Returns the foremost modal blocker of this window, or null.
1367 */
1368 public LWWindowPeer getBlocker() {
1369 synchronized (getPeerTreeLock()) {
1370 LWWindowPeer blocker = this.blocker;
1371 if (blocker == null) {
1372 return null;
1373 }
1374 while (blocker.blocker != null) {
1375 blocker = blocker.blocker;
1376 }
1377 return blocker;
1378 }
1379 }
1380
1381 @Override
1382 public void enterFullScreenMode() {
1383 platformWindow.enterFullScreenMode();
1384 updateSecurityWarningVisibility();
1385 }
1386
1387 @Override
1388 public void exitFullScreenMode() {
1389 platformWindow.exitFullScreenMode();
1390 updateSecurityWarningVisibility();
1391 }
1392
1393 public long getLayerPtr() {
1394 return getPlatformWindow().getLayerPtr();
1395 }
1396
1397 void grab() {
1398 if (grabbingWindow != null && !isGrabbing()) {
1399 grabbingWindow.ungrab();
1400 }
1401 grabbingWindow = this;
1402 }
1403
1404 final void ungrab(boolean doPost) {
1405 if (isGrabbing()) {
1406 grabbingWindow = null;
1407 if (doPost) {
1408 postEvent(new UngrabEvent(getTarget()));
1409 }
1410 }
1411 }
1412
1413 void ungrab() {
1414 ungrab(true);
1415 }
1416
1417 private boolean isGrabbing() {
1418 return this == grabbingWindow;
1419 }
1420
1421 public PeerType getPeerType() {
1422 return peerType;
1423 }
1424
1425 public void updateSecurityWarningVisibility() {
1426 if (warningWindow == null) {
1427 return;
1428 }
1429
1430 if (!isVisible()) {
1431 return; // The warning window should already be hidden.
1432 }
1433
1434 boolean show = false;
1435
1436 if (!platformWindow.isFullScreenMode()) {
1437 if (isVisible()) {
1438 if (LWKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow() ==
1439 getTarget()) {
1440 show = true;
1441 }
1442
1443 if (platformWindow.isUnderMouse() || warningWindow.isUnderMouse()) {
1444 show = true;
1445 }
1446 }
1447 }
1448
1449 warningWindow.setVisible(show, true);
1450 }
1451
1452 @Override
1453 public String toString() {
1454 return super.toString() + " [target is " + getTarget() + "]";
1455 }
1456 }