1 /*
2 * Copyright (c) 1997, 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
384 if (delegate != null) {
385 delegate.removeInvalidComponent(component);
386 return;
387 }
388 if(invalidComponents != null) {
389 int index = invalidComponents.indexOf(component);
390 if(index != -1) {
391 invalidComponents.remove(index);
392 }
393 }
394 }
395
396
397 /**
398 * Add a component in the list of components that should be refreshed.
399 * If <i>c</i> already has a dirty region, the rectangle <i>(x,y,w,h)</i>
400 * will be unioned with the region that should be redrawn.
401 *
402 * @see JComponent#repaint
403 */
404 @SuppressWarnings("deprecation")
405 private void addDirtyRegion0(Container c, int x, int y, int w, int h) {
406 /* Special cases we don't have to bother with.
407 */
408 if ((w <= 0) || (h <= 0) || (c == null)) {
409 return;
410 }
411
412 if ((c.getWidth() <= 0) || (c.getHeight() <= 0)) {
413 return;
414 }
415
416 if (extendDirtyRegion(c, x, y, w, h)) {
417 // Component was already marked as dirty, region has been
418 // extended, no need to continue.
419 return;
420 }
421
422 /* Make sure that c and all it ancestors (up to an Applet or
423 * Window) are visible. This loop has the same effect as
424 * checking c.isShowing() (and note that it's still possible
425 * that c is completely obscured by an opaque ancestor in
426 * the specified rectangle).
427 */
428 Component root = null;
429
430 // Note: We can't synchronize around this, Frame.getExtendedState
431 // is synchronized so that if we were to synchronize around this
432 // it could lead to the possibility of getting locks out
433 // of order and deadlocking.
434 for (Container p = c; p != null; p = p.getParent()) {
435 if (!p.isVisible() || (p.getPeer() == null)) {
436 return;
437 }
438 if ((p instanceof Window) || (p instanceof Applet)) {
439 // Iconified frames are still visible!
440 if (p instanceof Frame &&
441 (((Frame)p).getExtendedState() & Frame.ICONIFIED) ==
442 Frame.ICONIFIED) {
443 return;
444 }
445 root = p;
446 break;
447 }
448 }
449
450 if (root == null) return;
451
452 synchronized(this) {
453 if (extendDirtyRegion(c, x, y, w, h)) {
454 // In between last check and this check another thread
455 // queued up runnable, can bail here.
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1 /*
2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
384 if (delegate != null) {
385 delegate.removeInvalidComponent(component);
386 return;
387 }
388 if(invalidComponents != null) {
389 int index = invalidComponents.indexOf(component);
390 if(index != -1) {
391 invalidComponents.remove(index);
392 }
393 }
394 }
395
396
397 /**
398 * Add a component in the list of components that should be refreshed.
399 * If <i>c</i> already has a dirty region, the rectangle <i>(x,y,w,h)</i>
400 * will be unioned with the region that should be redrawn.
401 *
402 * @see JComponent#repaint
403 */
404 private void addDirtyRegion0(Container c, int x, int y, int w, int h) {
405 /* Special cases we don't have to bother with.
406 */
407 if ((w <= 0) || (h <= 0) || (c == null)) {
408 return;
409 }
410
411 if ((c.getWidth() <= 0) || (c.getHeight() <= 0)) {
412 return;
413 }
414
415 if (extendDirtyRegion(c, x, y, w, h)) {
416 // Component was already marked as dirty, region has been
417 // extended, no need to continue.
418 return;
419 }
420
421 /* Make sure that c and all it ancestors (up to an Applet or
422 * Window) are visible. This loop has the same effect as
423 * checking c.isShowing() (and note that it's still possible
424 * that c is completely obscured by an opaque ancestor in
425 * the specified rectangle).
426 */
427 Component root = null;
428
429 // Note: We can't synchronize around this, Frame.getExtendedState
430 // is synchronized so that if we were to synchronize around this
431 // it could lead to the possibility of getting locks out
432 // of order and deadlocking.
433 for (Container p = c; p != null; p = p.getParent()) {
434 if (!p.isVisible() || !p.isDisplayable()) {
435 return;
436 }
437 if ((p instanceof Window) || (p instanceof Applet)) {
438 // Iconified frames are still visible!
439 if (p instanceof Frame &&
440 (((Frame)p).getExtendedState() & Frame.ICONIFIED) ==
441 Frame.ICONIFIED) {
442 return;
443 }
444 root = p;
445 break;
446 }
447 }
448
449 if (root == null) return;
450
451 synchronized(this) {
452 if (extendDirtyRegion(c, x, y, w, h)) {
453 // In between last check and this check another thread
454 // queued up runnable, can bail here.
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