1 /*
2 * Copyright (c) 2008, 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 com.sun.javafx.tk.quantum;
27
28 import java.nio.ByteBuffer;
29 import java.security.AccessController;
30 import java.security.Permission;
31 import java.security.PrivilegedAction;
32 import java.security.AccessControlContext;
33 import java.util.HashMap;
34 import java.util.LinkedList;
35 import java.util.List;
36 import java.util.Map;
37
38 import javafx.scene.input.KeyCombination;
39 import javafx.stage.Modality;
40 import javafx.stage.Stage;
41 import javafx.stage.StageStyle;
42
43 import com.sun.glass.events.WindowEvent;
44 import com.sun.glass.ui.*;
45 import com.sun.glass.ui.Window.Level;
46 import com.sun.javafx.PlatformUtil;
47 import com.sun.javafx.iio.common.PushbroomScaler;
48 import com.sun.javafx.iio.common.ScalerFactory;
49 import com.sun.javafx.tk.FocusCause;
50 import com.sun.javafx.tk.TKScene;
51 import com.sun.javafx.tk.TKStage;
52 import com.sun.prism.Image;
53 import com.sun.prism.PixelFormat;
54 import java.util.Locale;
55 import java.util.ResourceBundle;
56 import static com.sun.javafx.FXPermissions.*;
57
58 class WindowStage extends GlassStage {
59
60 protected Window platformWindow;
61
62 protected javafx.stage.Stage fxStage;
63
64 private StageStyle style;
65 private GlassStage owner = null;
66 private Modality modality = Modality.NONE;
67 private final boolean securityDialog;
68
69 private OverlayWarning warning = null;
70 private boolean rtl = false;
71 private boolean transparent = false;
72 private boolean isPrimaryStage = false;
73 private boolean isAppletStage = false; // true if this is an embedded applet window
74 private boolean isPopupStage = false;
75 private boolean isInFullScreen = false;
76 private boolean isAlwaysOnTop = false;
77
78 // A flag to indicate whether a call was generated from
79 // an allowed input event handler.
80 private boolean inAllowedEventHandler = false;
81
82 // An active window is visible && enabled && focusable.
83 // The list is maintained in the z-order, so that the last element
84 // represents the topmost window (or more accurately, the last
85 // focused window, which we assume is very close to the last topmost one).
86 private static List<WindowStage> activeWindows = new LinkedList<>();
87
88 private static Map<Window, WindowStage> platformWindows = new HashMap<>();
89
90 private static GlassAppletWindow appletWindow = null;
91 static void setAppletWindow(GlassAppletWindow aw) {
92 appletWindow = aw;
93 }
94 static GlassAppletWindow getAppletWindow() {
95 return appletWindow;
96 }
97
98 private static final Locale LOCALE = Locale.getDefault();
99
100 private static final ResourceBundle RESOURCES =
101 ResourceBundle.getBundle(WindowStage.class.getPackage().getName() +
102 ".QuantumMessagesBundle", LOCALE);
103
104
105 public WindowStage(javafx.stage.Window peerWindow, boolean securityDialog, final StageStyle stageStyle, Modality modality, TKStage owner) {
106 this.style = stageStyle;
107 this.owner = (GlassStage)owner;
108 this.modality = modality;
109 this.securityDialog = securityDialog;
110
111 if (peerWindow instanceof javafx.stage.Stage) {
112 fxStage = (Stage)peerWindow;
113 } else {
114 fxStage = null;
115 }
116
117 transparent = stageStyle == StageStyle.TRANSPARENT;
118 if (owner == null) {
119 if (this.modality == Modality.WINDOW_MODAL) {
120 this.modality = Modality.NONE;
121 }
122 }
123 }
124
125 final void setIsPrimary() {
126 isPrimaryStage = true;
127 if (appletWindow != null) {
128 // this is an embedded applet stage
129 isAppletStage = true;
130 }
131 }
132
133 final void setIsPopup() {
134 isPopupStage = true;
135 }
136
137 final boolean isSecurityDialog() {
138 return securityDialog;
139 }
140
141 // Called by QuantumToolkit, so we can override initPlatformWindow in subclasses
142 public final WindowStage init(GlassSystemMenu sysmenu) {
143 initPlatformWindow();
144 platformWindow.setEventHandler(new GlassWindowEventHandler(this));
145 if (sysmenu.isSupported()) {
146 sysmenu.createMenuBar();
147 platformWindow.setMenuBar(sysmenu.getMenuBar());
148 }
149 return this;
150 }
151
152 private void initPlatformWindow() {
153 if (platformWindow == null) {
154 Application app = Application.GetApplication();
155 if (isPrimaryStage && (null != appletWindow)) {
156 platformWindow = app.createWindow(appletWindow.getGlassWindow().getNativeWindow());
157 } else {
158 Window ownerWindow = null;
159 if (owner instanceof WindowStage) {
160 ownerWindow = ((WindowStage)owner).platformWindow;
161 }
162 boolean resizable = false;
163 boolean focusable = true;
164 int windowMask = rtl ? Window.RIGHT_TO_LEFT : 0;
165 if (isPopupStage) { // TODO: make it a stage style?
166 windowMask |= Window.POPUP;
167 if (style == StageStyle.TRANSPARENT) {
168 windowMask |= Window.TRANSPARENT;
169 }
170 focusable = false;
171 } else {
172 switch (style) {
173 case UNIFIED:
174 if (app.supportsUnifiedWindows()) {
175 windowMask |= Window.UNIFIED;
176 }
177 // fall through
178 case DECORATED:
179 windowMask |=
180 Window.TITLED | Window.CLOSABLE |
181 Window.MINIMIZABLE | Window.MAXIMIZABLE;
182 if (ownerWindow != null || modality != Modality.NONE) {
183 windowMask &=
184 ~(Window.MINIMIZABLE | Window.MAXIMIZABLE);
185 }
186 resizable = true;
187 break;
188 case UTILITY:
189 windowMask |= Window.TITLED | Window.UTILITY | Window.CLOSABLE;
190 break;
191 default:
192 windowMask |=
193 (transparent ? Window.TRANSPARENT : Window.UNTITLED) | Window.CLOSABLE;
194 break;
195 }
196 }
197 platformWindow =
198 app.createWindow(ownerWindow, Screen.getMainScreen(), windowMask);
199 platformWindow.setResizable(resizable);
200 platformWindow.setFocusable(focusable);
201 if (securityDialog) {
202 platformWindow.setLevel(Window.Level.FLOATING);
203 }
204 }
205 }
206 platformWindows.put(platformWindow, this);
207 }
208
209 final Window getPlatformWindow() {
210 return platformWindow;
211 }
212
213 static WindowStage findWindowStage(Window platformWindow) {
214 return platformWindows.get(platformWindow);
215 }
216
217 protected GlassStage getOwner() {
218 return owner;
219 }
220
221 protected ViewScene getViewScene() {
222 return (ViewScene)getScene();
223 }
224
225 StageStyle getStyle() {
226 return style;
227 }
228
229 @Override public TKScene createTKScene(boolean depthBuffer, boolean msaa, AccessControlContext acc) {
230 ViewScene scene = new ViewScene(depthBuffer, msaa);
231 scene.setSecurityContext(acc);
232 return scene;
233 }
234
235 /**
236 * Set the scene to be displayed in this stage
237 *
238 * @param scene The peer of the scene to be displayed
239 */
240 @Override public void setScene(TKScene scene) {
241 GlassScene oldScene = getScene();
242 if (oldScene == scene) {
243 // Nothing to do
244 return;
245 }
246 // RT-21465, RT-28490
247 // We don't support scene changes in full-screen mode.
248 exitFullScreen();
249 super.setScene(scene);
250 if (scene != null) {
251 GlassScene newScene = getViewScene();
252 View view = newScene.getPlatformView();
253 QuantumToolkit.runWithRenderLock(() -> {
254 platformWindow.setView(view);
255 if (oldScene != null) oldScene.updateSceneState();
256 newScene.updateSceneState();
257 return null;
258 });
259 requestFocus();
260 } else {
261 QuantumToolkit.runWithRenderLock(() -> {
262 // platformWindow can be null here, if this window is owned,
263 // and its owner is being closed.
264 if (platformWindow != null) {
265 platformWindow.setView(null);
266 }
267 if (oldScene != null) {
268 oldScene.updateSceneState();
269 }
270 return null;
271 });
272 }
273 if (oldScene != null) {
274 ViewPainter painter = ((ViewScene)oldScene).getPainter();
275 QuantumRenderer.getInstance().disposePresentable(painter.presentable); // latched on RT
276 }
277 }
278
279 @Override public void setBounds(float x, float y, boolean xSet, boolean ySet,
280 float w, float h, float cw, float ch,
281 float xGravity, float yGravity,
282 float renderScaleX, float renderScaleY)
283 {
284 if (renderScaleX > 0.0 || renderScaleY > 0.0) {
285 // We set the render scale first since the call to setBounds()
286 // below can induce a recursive update on the scales if it moves
287 // the window to a new screen and we will then end up being called
288 // back with a new scale. We do not want to set these old scale
289 // values after that recursion happens.
290 if (renderScaleX > 0.0) {
291 platformWindow.setRenderScaleX(renderScaleX);
292 }
293 if (renderScaleY > 0.0) {
294 platformWindow.setRenderScaleY(renderScaleY);
295 }
296 ViewScene vscene = getViewScene();
297 if (vscene != null) {
298 vscene.updateSceneState();
299 vscene.entireSceneNeedsRepaint();
300 }
301 }
302 if (isAppletStage) {
303 xSet = ySet = false;
304 }
305 float pScaleX = platformWindow.getPlatformScaleX();
306 float pScaleY = platformWindow.getPlatformScaleY();
307 int px, py;
308 if (xSet || ySet) {
309 Screen screen = platformWindow.getScreen();
310 List<Screen> screens = Screen.getScreens();
311 if (screens.size() > 1) {
312 float winfxW = (w > 0) ? w : (platformWindow.getWidth() / pScaleX);
313 float winfxH = (h > 0) ? h : (platformWindow.getHeight()/ pScaleY);
314 float winfxX = xSet ? x :
315 screen.getX() + (platformWindow.getX() - screen.getPlatformX()) / pScaleX;
316 float winfxY = ySet ? y :
317 screen.getY() + (platformWindow.getY() - screen.getPlatformY()) / pScaleY;
318 float winfxCX = winfxX + winfxW/2f;
319 float winfxCY = winfxY + winfxH/2f;
320 // If the center point of the window (winfxCX,Y) is on any
321 // screen, then use that screen. Otherwise, use the screen
322 // whose center is closest to the window center.
323 int scrX = screen.getX();
324 int scrY = screen.getY();
325 int scrW = screen.getWidth();
326 int scrH = screen.getHeight();
327 if (winfxCX < scrX ||
328 winfxCY < scrY ||
329 winfxCX >= scrX + scrW ||
330 winfxCY >= scrY + scrH)
331 {
332 float relx = scrX + scrW / 2.0f - winfxCX;
333 float rely = scrY + scrH / 2.0f - winfxCY;
334 float distsq = relx * relx + rely * rely;
335 for (Screen s : Screen.getScreens()) {
336 scrX = s.getX();
337 scrY = s.getY();
338 scrW = s.getWidth();
339 scrH = s.getHeight();
340 if (winfxCX >= scrX &&
341 winfxCY >= scrY &&
342 winfxCX < scrX + scrW &&
343 winfxCY < scrY + scrH)
344 {
345 screen = s;
346 break;
347 }
348 relx = scrX + scrW / 2.0f - winfxCX;
349 rely = scrY + scrH / 2.0f - winfxCY;
350 float distsq2 = relx * relx + rely * rely;
351 if (distsq2 < distsq) {
352 screen = s;
353 distsq = distsq2;
354 }
355 }
356 }
357 }
358 float sx = screen == null ? 0 : screen.getX();
359 float sy = screen == null ? 0 : screen.getY();
360 float sScaleX = screen.getPlatformScaleX();
361 float sScaleY = screen.getPlatformScaleY();
362 px = xSet ? Math.round(screen.getPlatformX() + (x - sx) * sScaleX) : 0;
363 py = ySet ? Math.round(screen.getPlatformY() + (y - sy) * sScaleY) : 0;
364 } else {
365 px = py = 0;
366 }
367 if (xSet || ySet || w > 0 || h > 0 || cw > 0 || ch > 0) {
368 int pw = (int) (w > 0 ? Math.ceil(w * pScaleX) : w);
369 int ph = (int) (h > 0 ? Math.ceil(h * pScaleY) : h);
370 int pcw = (int) (cw > 0 ? Math.ceil(cw * pScaleX) : cw);
371 int pch = (int) (ch > 0 ? Math.ceil(ch * pScaleY) : ch);
372 platformWindow.setBounds(px, py, xSet, ySet,
373 pw, ph, pcw, pch,
374 xGravity, yGravity);
375 }
376 }
377
378 @Override
379 public float getPlatformScaleX() {
380 return platformWindow.getPlatformScaleX();
381 }
382
383 @Override
384 public float getPlatformScaleY() {
385 return platformWindow.getPlatformScaleY();
386 }
387
388 @Override
389 public float getOutputScaleX() {
390 return platformWindow.getOutputScaleX();
391 }
392
393 @Override
394 public float getOutputScaleY() {
395 return platformWindow.getOutputScaleY();
396 }
397
398 @Override public void setMinimumSize(int minWidth, int minHeight) {
399 minWidth = (int) Math.ceil(minWidth * getPlatformScaleX());
400 minHeight = (int) Math.ceil(minHeight * getPlatformScaleY());
401 platformWindow.setMinimumSize(minWidth, minHeight);
402 }
403
404 @Override public void setMaximumSize(int maxWidth, int maxHeight) {
405 maxWidth = (int) Math.ceil(maxWidth * getPlatformScaleX());
406 maxHeight = (int) Math.ceil(maxHeight * getPlatformScaleY());
407 platformWindow.setMaximumSize(maxWidth, maxHeight);
408 }
409
410 static Image findBestImage(java.util.List icons, int width, int height) {
411 Image image = null;
412 double bestSimilarity = 3; //Impossibly high value
413 for (Object icon : icons) {
414 //Iterate imageList looking for best matching image.
415 //'Similarity' measure is defined as good scale factor and small insets.
416 //best possible similarity is 0 (no scale, no insets).
417 //It's found by experimentation that good-looking results are achieved
418 //with scale factors x1, x3/4, x2/3, xN, x1/N.
419 //Check to make sure the image/image format is correct.
420 Image im = (Image)icon;
421 if (im == null || !(im.getPixelFormat() == PixelFormat.BYTE_RGB ||
422 im.getPixelFormat() == PixelFormat.BYTE_BGRA_PRE ||
423 im.getPixelFormat() == PixelFormat.BYTE_GRAY))
424 {
425 continue;
426 }
427
428 int iw = im.getWidth();
429 int ih = im.getHeight();
430
431 if (iw > 0 && ih > 0) {
432 //Calc scale factor
433 double scaleFactor = Math.min((double)width / (double)iw,
434 (double)height / (double)ih);
435 //Calculate scaled image dimensions
436 //adjusting scale factor to nearest "good" value
437 int adjw;
438 int adjh;
439 double scaleMeasure = 1; //0 - best (no) scale, 1 - impossibly bad
440 if (scaleFactor >= 2) {
441 //Need to enlarge image more than twice
442 //Round down scale factor to multiply by integer value
443 scaleFactor = Math.floor(scaleFactor);
444 adjw = iw * (int)scaleFactor;
445 adjh = ih * (int)scaleFactor;
446 scaleMeasure = 1.0 - 0.5 / scaleFactor;
447 } else if (scaleFactor >= 1) {
448 //Don't scale
449 scaleFactor = 1.0;
450 adjw = iw;
451 adjh = ih;
452 scaleMeasure = 0;
453 } else if (scaleFactor >= 0.75) {
454 //Multiply by 3/4
455 scaleFactor = 0.75;
456 adjw = iw * 3 / 4;
457 adjh = ih * 3 / 4;
458 scaleMeasure = 0.3;
459 } else if (scaleFactor >= 0.6666) {
460 //Multiply by 2/3
461 scaleFactor = 0.6666;
462 adjw = iw * 2 / 3;
463 adjh = ih * 2 / 3;
464 scaleMeasure = 0.33;
465 } else {
466 //Multiply size by 1/scaleDivider
467 //where scaleDivider is minimum possible integer
468 //larger than 1/scaleFactor
469 double scaleDivider = Math.ceil(1.0 / scaleFactor);
470 scaleFactor = 1.0 / scaleDivider;
471 adjw = (int)Math.round((double)iw / scaleDivider);
472 adjh = (int)Math.round((double)ih / scaleDivider);
473 scaleMeasure = 1.0 - 1.0 / scaleDivider;
474 }
475 double similarity = ((double)width - (double)adjw) / (double)width +
476 ((double)height - (double)adjh) / (double)height + //Large padding is bad
477 scaleMeasure; //Large rescale is bad
478 if (similarity < bestSimilarity) {
479 bestSimilarity = similarity;
480 image = im;
481 }
482 if (similarity == 0) break;
483 }
484 }
485 return image;
486 }
487
488 @Override public void setIcons(java.util.List icons) {
489
490 int SMALL_ICON_HEIGHT = 32;
491 int SMALL_ICON_WIDTH = 32;
492 if (PlatformUtil.isMac()) { //Mac Sized Icons
493 SMALL_ICON_HEIGHT = 128;
494 SMALL_ICON_WIDTH = 128;
495 } else if (PlatformUtil.isWindows()) { //Windows Sized Icons
496 SMALL_ICON_HEIGHT = 32;
497 SMALL_ICON_WIDTH = 32;
498 } else if (PlatformUtil.isLinux()) { //Linux icons
499 SMALL_ICON_HEIGHT = 128;
500 SMALL_ICON_WIDTH = 128;
501 }
502
503 if (icons == null || icons.size() < 1) { //no icons passed in
504 platformWindow.setIcon(null);
505 return;
506 }
507
508 Image image = findBestImage(icons, SMALL_ICON_WIDTH, SMALL_ICON_HEIGHT);
509 if (image == null) {
510 //No images were found, possibly all are broken
511 return;
512 }
513
514 PushbroomScaler scaler = ScalerFactory.createScaler(image.getWidth(), image.getHeight(),
515 image.getBytesPerPixelUnit(),
516 SMALL_ICON_WIDTH, SMALL_ICON_HEIGHT, true);
517
518 //shrink the image and convert the format to INT_ARGB_PRE
519 ByteBuffer buf = (ByteBuffer) image.getPixelBuffer();
520 byte bytes[] = new byte[buf.limit()];
521
522 int iheight = image.getHeight();
523
524 //Iterate through each scanline of the image
525 //and pass it one at a time to the scaling object
526 for (int z = 0; z < iheight; z++) {
527 buf.position(z*image.getScanlineStride());
528 buf.get(bytes, 0, image.getScanlineStride());
529 scaler.putSourceScanline(bytes, 0);
530 }
531
532 buf.rewind();
533
534 final Image img = image.iconify(scaler.getDestination(), SMALL_ICON_WIDTH, SMALL_ICON_HEIGHT);
535 platformWindow.setIcon(PixelUtils.imageToPixels(img));
536 }
537
538 @Override public void setTitle(String title) {
539 platformWindow.setTitle(title);
540 }
541
542 @Override public void setVisible(final boolean visible) {
543 // Before setting visible to false on the native window, we unblock
544 // other windows.
545 if (!visible) {
546 removeActiveWindow(this);
547 if (modality == Modality.WINDOW_MODAL) {
548 if (owner != null && owner instanceof WindowStage) {
549 ((WindowStage) owner).setEnabled(true);
550 }
551 } else if (modality == Modality.APPLICATION_MODAL) {
552 windowsSetEnabled(true);
553 } else {
554 // Note: This method is required to workaround a glass issue
555 // mentioned in RT-12607
556 // If the hiding stage is unfocusable (i.e. it's a PopupStage),
557 // then we don't do this to avoid stealing the focus.
558 if (!isPopupStage && owner != null && owner instanceof WindowStage) {
559 WindowStage ownerStage = (WindowStage)owner;
560 ownerStage.requestToFront();
561 }
562 }
563 }
564 QuantumToolkit.runWithRenderLock(() -> {
565 // platformWindow can be null here, if this window is owned,
566 // and its owner is being closed.
567 if (platformWindow != null) {
568 platformWindow.setVisible(visible);
569 }
570 super.setVisible(visible);
571 return null;
572 });
573 // After setting visible to true on the native window, we block
574 // other windows.
575 if (visible) {
576 if (modality == Modality.WINDOW_MODAL) {
577 if (owner != null && owner instanceof WindowStage) {
578 ((WindowStage) owner).setEnabled(false);
579 }
580 } else if (modality == Modality.APPLICATION_MODAL) {
581 windowsSetEnabled(false);
582 }
583 if (isAppletStage && null != appletWindow) {
584 appletWindow.assertStageOrder();
585 }
586 }
587
588 applyFullScreen();
589 }
590
591 @Override boolean isVisible() {
592 return platformWindow.isVisible();
593 }
594
595 @Override public void setOpacity(float opacity) {
596 platformWindow.setAlpha(opacity);
597 GlassScene gs = getScene();
598 if (gs != null) {
599 gs.entireSceneNeedsRepaint();
600 }
601 }
602
603 public boolean needsUpdateWindow() {
604 return transparent && (Application.GetApplication().shouldUpdateWindow());
605 }
606
607 @Override public void setIconified(boolean iconified) {
608 if (platformWindow.isMinimized() == iconified) {
609 return;
610 }
611 platformWindow.minimize(iconified);
612 }
613
614 @Override public void setMaximized(boolean maximized) {
615 if (platformWindow.isMaximized() == maximized) {
616 return;
617 }
618 platformWindow.maximize(maximized);
619 }
620
621 @Override
622 public void setAlwaysOnTop(boolean alwaysOnTop) {
623 // The securityDialog flag takes precedence over alwaysOnTop
624 if (securityDialog) return;
625
626 if (isAlwaysOnTop == alwaysOnTop) {
627 return;
628 }
629
630 if (alwaysOnTop) {
631 if (hasPermission(SET_WINDOW_ALWAYS_ON_TOP_PERMISSION)) {
632 platformWindow.setLevel(Level.FLOATING);
633 } else {
634 alwaysOnTop = false;
635 if (stageListener != null) {
636 stageListener.changedAlwaysOnTop(alwaysOnTop);
637 }
638 }
639 } else {
640 platformWindow.setLevel(Level.NORMAL);
641 }
642 isAlwaysOnTop = alwaysOnTop;
643 }
644
645 @Override public void setResizable(boolean resizable) {
646 platformWindow.setResizable(resizable);
647 // note: for child windows this is ignored and we fail silently
648 }
649
650 // Return true if this stage is trusted for full screen - doesn't have a
651 // security manager, or a permission check doesn't result in a security
652 // exeception.
653 boolean isTrustedFullScreen() {
654 return hasPermission(UNRESTRICTED_FULL_SCREEN_PERMISSION);
655 }
656
657 // Safely exit full screen
658 void exitFullScreen() {
659 setFullScreen(false);
660 }
661
662 boolean isApplet() {
663 return isPrimaryStage && null != appletWindow;
664 }
665
666 private boolean hasPermission(Permission perm) {
667 try {
668 final SecurityManager sm = System.getSecurityManager();
669 if (sm != null) {
670 sm.checkPermission(perm, getAccessControlContext());
671 }
672 return true;
673 } catch (SecurityException se) {
674 return false;
675 }
676 }
677
678 private boolean fullScreenFromUserEvent = false;
679
680 private KeyCombination savedFullScreenExitKey = null;
681
682 public final KeyCombination getSavedFullScreenExitKey() {
683 return savedFullScreenExitKey;
684 }
685
686 private void applyFullScreen() {
687 if (platformWindow == null) {
688 // applyFullScreen() can be called from setVisible(false), while the
689 // platformWindow has already been destroyed.
690 return;
691 }
692 View v = platformWindow.getView();
693 if (isVisible() && v != null && v.isInFullscreen() != isInFullScreen) {
694 if (isInFullScreen) {
695 // Check whether app is full screen trusted or flag is set
696 // indicating that the fullscreen request came from an input
697 // event handler.
698 // If not notify the stageListener to reset fullscreen to false.
699 final boolean isTrusted = isTrustedFullScreen();
700 if (!isTrusted && !fullScreenFromUserEvent) {
701 exitFullScreen();
702 fullscreenChanged(false);
703 } else {
704 v.enterFullscreen(false, false, false);
705 if (warning != null && warning.inWarningTransition()) {
706 warning.setView(getViewScene());
707 } else {
708 boolean showWarning = true;
709
710 KeyCombination key = null;
711 String exitMessage = null;
712
713 if (isTrusted && (fxStage != null)) {
714 // copy the user set definitions for later use.
715 key = fxStage.getFullScreenExitKeyCombination();
716
717 exitMessage = fxStage.getFullScreenExitHint();
718 }
719
720 savedFullScreenExitKey =
721 key == null
722 ? defaultFullScreenExitKeycombo
723 : key;
724
725 if (
726 // the hint is ""
727 "".equals(exitMessage) ||
728 // if the key is NO_MATCH
729 (savedFullScreenExitKey.equals(KeyCombination.NO_MATCH))
730 ) {
731 showWarning = false;
732 }
733
734 // the hint is not set, use the key for the message
735 if (showWarning && exitMessage == null) {
736 if (key == null) {
737 exitMessage = RESOURCES.getString("OverlayWarningESC");
738 } else {
739 String f = RESOURCES.getString("OverlayWarningKey");
740 exitMessage = f.format(f, savedFullScreenExitKey.toString());
741 }
742 }
743
744 if (showWarning && warning == null) {
745 setWarning(new OverlayWarning(getViewScene()));
746 }
747
748 if (showWarning && warning != null) {
749 warning.warn(exitMessage);
750 }
751 }
752 }
753 } else {
754 if (warning != null) {
755 warning.cancel();
756 setWarning(null);
757 }
758 v.exitFullscreen(false);
759 }
760 // Reset flag once we are done process fullscreen
761 fullScreenFromUserEvent = false;
762 } else if (!isVisible() && warning != null) {
763 // if the window is closed - re-open with fresh warning
764 warning.cancel();
765 setWarning(null);
766 }
767 }
768
769 void setWarning(OverlayWarning newWarning) {
770 this.warning = newWarning;
771 getViewScene().synchroniseOverlayWarning();
772 }
773
774 OverlayWarning getWarning() {
775 return warning;
776 }
777
778 @Override public void setFullScreen(boolean fullScreen) {
779 if (isInFullScreen == fullScreen) {
780 return;
781 }
782
783 // Set a flag indicating whether this method was called from
784 // an allowed input event handler.
785 if (isInAllowedEventHandler()) {
786 fullScreenFromUserEvent = true;
787 }
788
789 GlassStage fsWindow = activeFSWindow.get();
790 if (fullScreen && (fsWindow != null)) {
791 fsWindow.setFullScreen(false);
792 }
793 isInFullScreen = fullScreen;
794 applyFullScreen();
795 if (fullScreen) {
796 activeFSWindow.set(this);
797 }
798 }
799
800 void fullscreenChanged(final boolean fs) {
801 if (!fs) {
802 if (activeFSWindow.compareAndSet(this, null)) {
803 isInFullScreen = false;
804 }
805 } else {
806 isInFullScreen = true;
807 activeFSWindow.set(this);
808 }
809 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
810 if (stageListener != null) {
811 stageListener.changedFullscreen(fs);
812 }
813 return null;
814 }, getAccessControlContext());
815 }
816
817 @Override public void toBack() {
818 platformWindow.toBack();
819 if (isAppletStage && null != appletWindow) {
820 appletWindow.assertStageOrder();
821 }
822 }
823
824 @Override public void toFront() {
825 platformWindow.requestFocus(); // RT-17836
826 platformWindow.toFront();
827 if (isAppletStage && null != appletWindow) {
828 appletWindow.assertStageOrder();
829 }
830 }
831
832 @Override public void close() {
833 super.close();
834 QuantumToolkit.runWithRenderLock(() -> {
835 // prevents closing a closed platform window
836 if (platformWindow != null) {
837 platformWindows.remove(platformWindow);
838 platformWindow.close();
839 platformWindow = null;
840 }
841 GlassScene oldScene = getViewScene();
842 if (oldScene != null) {
843 oldScene.updateSceneState();
844 }
845 return null;
846 });
847 }
848
849 // setPlatformWindowClosed is only set upon receiving platform window has
850 // closed notification. This state is necessary to prevent the platform
851 // window from being closed more than once.
852 void setPlatformWindowClosed() {
853 platformWindow = null;
854 }
855
856 static void addActiveWindow(WindowStage window) {
857 activeWindows.remove(window);
858 activeWindows.add(window);
859 }
860
861 static void removeActiveWindow(WindowStage window) {
862 activeWindows.remove(window);
863 }
864
865 final void handleFocusDisabled() {
866 if (activeWindows.isEmpty()) {
867 return;
868 }
869 WindowStage window = activeWindows.get(activeWindows.size() - 1);
870 window.setIconified(false);
871 window.requestToFront();
872 window.requestFocus();
873 }
874
875 @Override public boolean grabFocus() {
876 return platformWindow.grabFocus();
877 }
878
879 @Override public void ungrabFocus() {
880 platformWindow.ungrabFocus();
881 }
882
883 @Override public void requestFocus() {
884 platformWindow.requestFocus();
885 }
886
887 @Override public void requestFocus(FocusCause cause) {
888 switch (cause) {
889 case TRAVERSED_FORWARD:
890 platformWindow.requestFocus(WindowEvent.FOCUS_GAINED_FORWARD);
891 break;
892 case TRAVERSED_BACKWARD:
893 platformWindow.requestFocus(WindowEvent.FOCUS_GAINED_BACKWARD);
894 break;
895 case ACTIVATED:
896 platformWindow.requestFocus(WindowEvent.FOCUS_GAINED);
897 break;
898 case DEACTIVATED:
899 platformWindow.requestFocus(WindowEvent.FOCUS_LOST);
900 break;
901 }
902 }
903
904 @Override
905 protected void setPlatformEnabled(boolean enabled) {
906 super.setPlatformEnabled(enabled);
907 platformWindow.setEnabled(enabled);
908 if (enabled) {
909 // Check if window is really enabled - to handle nested case
910 if (platformWindow.isEnabled()) {
911 requestToFront();
912 }
913 } else {
914 removeActiveWindow(this);
915 }
916 }
917
918 void setEnabled(boolean enabled) {
919 if ((owner != null) && (owner instanceof WindowStage)) {
920 ((WindowStage) owner).setEnabled(enabled);
921 }
922 /*
923 * RT-17588 - exit if stage is closed from under us as
924 * any further access to the Glass layer
925 * will throw an exception
926 */
927 if (enabled && (platformWindow == null || platformWindow.isClosed())) {
928 return;
929 }
930 setPlatformEnabled(enabled);
931 if (enabled) {
932 if (isAppletStage && null != appletWindow) {
933 appletWindow.assertStageOrder();
934 }
935 }
936 }
937
938 // Note: This method is required to workaround a glass issue mentioned in RT-12607
939 protected void requestToFront() {
940 if (platformWindow != null) {
941 platformWindow.toFront();
942 platformWindow.requestFocus();
943 }
944 }
945
946 public void setInAllowedEventHandler(boolean inAllowedEventHandler) {
947 this.inAllowedEventHandler = inAllowedEventHandler;
948 }
949
950 private boolean isInAllowedEventHandler() {
951 return inAllowedEventHandler;
952 }
953
954 @Override
955 public void requestInput(String text, int type, double width, double height,
956 double Mxx, double Mxy, double Mxz, double Mxt,
957 double Myx, double Myy, double Myz, double Myt,
958 double Mzx, double Mzy, double Mzz, double Mzt) {
959 platformWindow.requestInput(text, type, width, height,
960 Mxx, Mxy, Mxz, Mxt,
961 Myx, Myy, Myz, Myt,
962 Mzx, Mzy, Mzz, Mzt);
963 }
964
965 @Override
966 public void releaseInput() {
967 platformWindow.releaseInput();
968 }
969
970 @Override public void setRTL(boolean b) {
971 rtl = b;
972 }
973
974 }