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.macosx;
  27 
  28 import java.awt.*;
  29 import java.awt.Dialog.ModalityType;
  30 import java.awt.event.*;
  31 import java.awt.peer.WindowPeer;
  32 import java.beans.*;
  33 import java.lang.reflect.InvocationTargetException;
  34 import java.util.List;
  35 import java.util.Objects;
  36 
  37 import javax.swing.*;
  38 
  39 import sun.awt.*;
  40 import sun.java2d.SurfaceData;
  41 import sun.java2d.opengl.CGLSurfaceData;
  42 import sun.lwawt.*;
  43 import sun.util.logging.PlatformLogger;
  44 
  45 import com.apple.laf.*;
  46 import com.apple.laf.ClientPropertyApplicator.Property;
  47 import com.sun.awt.AWTUtilities;
  48 
  49 public class CPlatformWindow extends CFRetainedResource implements PlatformWindow {
  50     private native long nativeCreateNSWindow(long nsViewPtr,long ownerPtr, long styleBits, double x, double y, double w, double h);
  51     private static native void nativeSetNSWindowStyleBits(long nsWindowPtr, int mask, int data);
  52     private static native void nativeSetNSWindowMenuBar(long nsWindowPtr, long menuBarPtr);
  53     private static native Insets nativeGetNSWindowInsets(long nsWindowPtr);
  54     private static native void nativeSetNSWindowBounds(long nsWindowPtr, double x, double y, double w, double h);
  55     private static native void nativeSetNSWindowMinMax(long nsWindowPtr, double minW, double minH, double maxW, double maxH);
  56     private static native void nativePushNSWindowToBack(long nsWindowPtr);
  57     private static native void nativePushNSWindowToFront(long nsWindowPtr);
  58     private static native void nativeSetNSWindowTitle(long nsWindowPtr, String title);
  59     private static native void nativeRevalidateNSWindowShadow(long nsWindowPtr);
  60     private static native void nativeSetNSWindowMinimizedIcon(long nsWindowPtr, long nsImage);
  61     private static native void nativeSetNSWindowRepresentedFilename(long nsWindowPtr, String representedFilename);
  62     private static native void nativeSetEnabled(long nsWindowPtr, boolean isEnabled);
  63     private static native void nativeSynthesizeMouseEnteredExitedEvents();
  64     private static native void nativeDispose(long nsWindowPtr);
  65     private static native CPlatformWindow nativeGetTopmostPlatformWindowUnderMouse();
  66     private static native void nativeEnterFullScreenMode(long nsWindowPtr);
  67     private static native void nativeExitFullScreenMode(long nsWindowPtr);
  68 
  69     // Loger to report issues happened during execution but that do not affect functionality
  70     private static final PlatformLogger logger = PlatformLogger.getLogger("sun.lwawt.macosx.CPlatformWindow");
  71     private static final PlatformLogger focusLogger = PlatformLogger.getLogger("sun.lwawt.macosx.focus.CPlatformWindow");
  72 
  73     // for client properties
  74     public static final String WINDOW_BRUSH_METAL_LOOK = "apple.awt.brushMetalLook";
  75     public static final String WINDOW_DRAGGABLE_BACKGROUND = "apple.awt.draggableWindowBackground";
  76 
  77     public static final String WINDOW_ALPHA = "Window.alpha";
  78     public static final String WINDOW_SHADOW = "Window.shadow";
  79 
  80     public static final String WINDOW_STYLE = "Window.style";
  81     public static final String WINDOW_SHADOW_REVALIDATE_NOW = "apple.awt.windowShadow.revalidateNow";
  82 
  83     public static final String WINDOW_DOCUMENT_MODIFIED = "Window.documentModified";
  84     public static final String WINDOW_DOCUMENT_FILE = "Window.documentFile";
  85 
  86     public static final String WINDOW_CLOSEABLE = "Window.closeable";
  87     public static final String WINDOW_MINIMIZABLE = "Window.minimizable";
  88     public static final String WINDOW_ZOOMABLE = "Window.zoomable";
  89     public static final String WINDOW_HIDES_ON_DEACTIVATE="Window.hidesOnDeactivate";
  90 
  91     public static final String WINDOW_DOC_MODAL_SHEET = "apple.awt.documentModalSheet";
  92     public static final String WINDOW_FADE_DELEGATE = "apple.awt._windowFadeDelegate";
  93     public static final String WINDOW_FADE_IN = "apple.awt._windowFadeIn";
  94     public static final String WINDOW_FADE_OUT = "apple.awt._windowFadeOut";
  95     public static final String WINDOW_FULLSCREENABLE = "apple.awt.fullscreenable";
  96 
  97 
  98     // Yeah, I know. But it's easier to deal with ints from JNI
  99     static final int MODELESS = 0;
 100     static final int DOCUMENT_MODAL = 1;
 101     static final int APPLICATION_MODAL = 2;
 102     static final int TOOLKIT_MODAL = 3;
 103 
 104     // window style bits
 105     static final int _RESERVED_FOR_DATA = 1 << 0;
 106 
 107     // corresponds to native style mask bits
 108     static final int DECORATED = 1 << 1;
 109     static final int TEXTURED = 1 << 2;
 110     static final int UNIFIED = 1 << 3;
 111     static final int UTILITY = 1 << 4;
 112     static final int HUD = 1 << 5;
 113     static final int SHEET = 1 << 6;
 114 
 115     static final int CLOSEABLE = 1 << 7;
 116     static final int MINIMIZABLE = 1 << 8;
 117 
 118     static final int RESIZABLE = 1 << 9; // both a style bit and prop bit
 119     static final int NONACTIVATING = 1 << 24;
 120     static final int IS_DIALOG = 1 << 25;
 121     static final int IS_MODAL = 1 << 26;
 122     static final int IS_POPUP = 1 << 27;
 123 
 124     static final int _STYLE_PROP_BITMASK = DECORATED | TEXTURED | UNIFIED | UTILITY | HUD | SHEET | CLOSEABLE | MINIMIZABLE | RESIZABLE;
 125 
 126     // corresponds to method-based properties
 127     static final int HAS_SHADOW = 1 << 10;
 128     static final int ZOOMABLE = 1 << 11;
 129 
 130     static final int ALWAYS_ON_TOP = 1 << 15;
 131     static final int HIDES_ON_DEACTIVATE = 1 << 17;
 132     static final int DRAGGABLE_BACKGROUND = 1 << 19;
 133     static final int DOCUMENT_MODIFIED = 1 << 21;
 134     static final int FULLSCREENABLE = 1 << 23;
 135 
 136     static final int _METHOD_PROP_BITMASK = RESIZABLE | HAS_SHADOW | ZOOMABLE | ALWAYS_ON_TOP | HIDES_ON_DEACTIVATE | DRAGGABLE_BACKGROUND | DOCUMENT_MODIFIED | FULLSCREENABLE;
 137 
 138     // corresponds to callback-based properties
 139     static final int SHOULD_BECOME_KEY = 1 << 12;
 140     static final int SHOULD_BECOME_MAIN = 1 << 13;
 141     static final int MODAL_EXCLUDED = 1 << 16;
 142 
 143     static final int _CALLBACK_PROP_BITMASK = SHOULD_BECOME_KEY | SHOULD_BECOME_MAIN | MODAL_EXCLUDED;
 144 
 145     static int SET(final int bits, final int mask, final boolean value) {
 146         if (value) return (bits | mask);
 147         return bits & ~mask;
 148     }
 149 
 150     static boolean IS(final int bits, final int mask) {
 151         return (bits & mask) != 0;
 152     }
 153 
 154     @SuppressWarnings({"unchecked", "rawtypes"})
 155     static ClientPropertyApplicator<JRootPane, CPlatformWindow> CLIENT_PROPERTY_APPLICATOR = new ClientPropertyApplicator<JRootPane, CPlatformWindow>(new Property[] {
 156         new Property<CPlatformWindow>(WINDOW_DOCUMENT_MODIFIED) { public void applyProperty(final CPlatformWindow c, final Object value) {
 157             c.setStyleBits(DOCUMENT_MODIFIED, value == null ? false : Boolean.parseBoolean(value.toString()));
 158         }},
 159         new Property<CPlatformWindow>(WINDOW_BRUSH_METAL_LOOK) { public void applyProperty(final CPlatformWindow c, final Object value) {
 160             c.setStyleBits(TEXTURED, Boolean.parseBoolean(value.toString()));
 161         }},
 162         new Property<CPlatformWindow>(WINDOW_ALPHA) { public void applyProperty(final CPlatformWindow c, final Object value) {
 163             AWTUtilities.setWindowOpacity(c.target, value == null ? 1.0f : Float.parseFloat(value.toString()));
 164         }},
 165         new Property<CPlatformWindow>(WINDOW_SHADOW) { public void applyProperty(final CPlatformWindow c, final Object value) {
 166             c.setStyleBits(HAS_SHADOW, value == null ? true : Boolean.parseBoolean(value.toString()));
 167         }},
 168         new Property<CPlatformWindow>(WINDOW_MINIMIZABLE) { public void applyProperty(final CPlatformWindow c, final Object value) {
 169             c.setStyleBits(MINIMIZABLE, Boolean.parseBoolean(value.toString()));
 170         }},
 171         new Property<CPlatformWindow>(WINDOW_CLOSEABLE) { public void applyProperty(final CPlatformWindow c, final Object value) {
 172             c.setStyleBits(CLOSEABLE, Boolean.parseBoolean(value.toString()));
 173         }},
 174         new Property<CPlatformWindow>(WINDOW_ZOOMABLE) { public void applyProperty(final CPlatformWindow c, final Object value) {
 175             c.setStyleBits(ZOOMABLE, Boolean.parseBoolean(value.toString()));
 176         }},
 177         new Property<CPlatformWindow>(WINDOW_FULLSCREENABLE) { public void applyProperty(final CPlatformWindow c, final Object value) {
 178             c.setStyleBits(FULLSCREENABLE, Boolean.parseBoolean(value.toString()));
 179         }},
 180         new Property<CPlatformWindow>(WINDOW_SHADOW_REVALIDATE_NOW) { public void applyProperty(final CPlatformWindow c, final Object value) {
 181             nativeRevalidateNSWindowShadow(c.getNSWindowPtr());
 182         }},
 183         new Property<CPlatformWindow>(WINDOW_DOCUMENT_FILE) { public void applyProperty(final CPlatformWindow c, final Object value) {
 184             if (value == null || !(value instanceof java.io.File)) {
 185                 nativeSetNSWindowRepresentedFilename(c.getNSWindowPtr(), null);
 186                 return;
 187             }
 188 
 189             final String filename = ((java.io.File)value).getAbsolutePath();
 190             nativeSetNSWindowRepresentedFilename(c.getNSWindowPtr(), filename);
 191         }}
 192     }) {
 193         @SuppressWarnings("deprecation")
 194         public CPlatformWindow convertJComponentToTarget(final JRootPane p) {
 195             Component root = SwingUtilities.getRoot(p);
 196             if (root == null || (LWWindowPeer)root.getPeer() == null) return null;
 197             return (CPlatformWindow)((LWWindowPeer)root.getPeer()).getPlatformWindow();
 198         }
 199     };
 200 
 201     // Bounds of the native widget but in the Java coordinate system.
 202     // In order to keep it up-to-date we will update them on
 203     // 1) setting native bounds via nativeSetBounds() call
 204     // 2) getting notification from the native level via deliverMoveResizeEvent()
 205     private Rectangle nativeBounds = new Rectangle(0, 0, 0, 0);
 206     private volatile boolean isFullScreenMode;
 207     private boolean isFullScreenAnimationOn;
 208 
 209     private Window target;
 210     private LWWindowPeer peer;
 211     protected CPlatformView contentView;
 212     protected CPlatformWindow owner;
 213     protected boolean visible = false; // visibility status from native perspective
 214     private boolean undecorated; // initialized in getInitialStyleBits()
 215     private Rectangle normalBounds = null; // not-null only for undecorated maximized windows
 216     private CPlatformResponder responder;
 217 
 218     public CPlatformWindow() {
 219         super(0, true);
 220     }
 221 
 222     /*
 223      * Delegate initialization (create native window and all the
 224      * related resources).
 225      */
 226     @Override // PlatformWindow
 227     public void initialize(Window _target, LWWindowPeer _peer, PlatformWindow _owner) {
 228         initializeBase(_target, _peer, _owner, new CPlatformView());
 229 
 230         final int styleBits = getInitialStyleBits();
 231 
 232         responder = createPlatformResponder();
 233         contentView = createContentView();
 234         contentView.initialize(peer, responder);
 235 
 236         final long ownerPtr = owner != null ? owner.getNSWindowPtr() : 0L;
 237         Rectangle bounds;
 238         if (!IS(DECORATED, styleBits)) {
 239             // For undecorated frames the move/resize event does not come if the frame is centered on the screen
 240             // so we need to set a stub location to force an initial move/resize. Real bounds would be set later.
 241             bounds = new Rectangle(0, 0, 1, 1);
 242         } else {
 243             bounds = _peer.constrainBounds(_target.getBounds());
 244         }
 245         final long nativeWindowPtr = nativeCreateNSWindow(contentView.getAWTView(),
 246                 ownerPtr, styleBits, bounds.x, bounds.y, bounds.width, bounds.height);
 247         setPtr(nativeWindowPtr);
 248 
 249         if (target instanceof javax.swing.RootPaneContainer) {
 250             final javax.swing.JRootPane rootpane = ((javax.swing.RootPaneContainer)target).getRootPane();
 251             if (rootpane != null) rootpane.addPropertyChangeListener("ancestor", new PropertyChangeListener() {
 252                 public void propertyChange(final PropertyChangeEvent evt) {
 253                     CLIENT_PROPERTY_APPLICATOR.attachAndApplyClientProperties(rootpane);
 254                     rootpane.removePropertyChangeListener("ancestor", this);
 255                 }
 256             });
 257         }
 258 
 259         validateSurface();
 260     }
 261 
 262     protected void initializeBase(Window target, LWWindowPeer peer, PlatformWindow owner, CPlatformView view) {
 263         this.peer = peer;
 264         this.target = target;
 265         if (owner instanceof CPlatformWindow) {
 266             this.owner = (CPlatformWindow)owner;
 267         }
 268         this.contentView = view;
 269     }
 270 
 271     protected CPlatformResponder createPlatformResponder() {
 272         return new CPlatformResponder(peer, false);
 273     }
 274 
 275     protected CPlatformView createContentView() {
 276         return new CPlatformView();
 277     }
 278 
 279     protected int getInitialStyleBits() {
 280         // defaults style bits
 281         int styleBits = DECORATED | HAS_SHADOW | CLOSEABLE | MINIMIZABLE | ZOOMABLE | RESIZABLE;
 282 
 283         if (isNativelyFocusableWindow()) {
 284             styleBits = SET(styleBits, SHOULD_BECOME_KEY, true);
 285             styleBits = SET(styleBits, SHOULD_BECOME_MAIN, true);
 286         }
 287 
 288         final boolean isFrame = (target instanceof Frame);
 289         final boolean isDialog = (target instanceof Dialog);
 290         final boolean isPopup = (target.getType() == Window.Type.POPUP);
 291         if (isDialog) {
 292             styleBits = SET(styleBits, MINIMIZABLE, false);
 293         }
 294 
 295         // Either java.awt.Frame or java.awt.Dialog can be undecorated, however java.awt.Window always is undecorated.
 296         {
 297             this.undecorated = isFrame ? ((Frame)target).isUndecorated() : (isDialog ? ((Dialog)target).isUndecorated() : true);
 298             if (this.undecorated) styleBits = SET(styleBits, DECORATED, false);
 299         }
 300 
 301         // Either java.awt.Frame or java.awt.Dialog can be resizable, however java.awt.Window is never resizable
 302         {
 303             final boolean resizable = isFrame ? ((Frame)target).isResizable() : (isDialog ? ((Dialog)target).isResizable() : false);
 304             styleBits = SET(styleBits, RESIZABLE, resizable);
 305             if (!resizable) {
 306                 styleBits = SET(styleBits, ZOOMABLE, false);
 307             }
 308         }
 309 
 310         if (target.isAlwaysOnTop()) {
 311             styleBits = SET(styleBits, ALWAYS_ON_TOP, true);
 312         }
 313 
 314         if (target.getModalExclusionType() == Dialog.ModalExclusionType.APPLICATION_EXCLUDE) {
 315             styleBits = SET(styleBits, MODAL_EXCLUDED, true);
 316         }
 317 
 318         // If the target is a dialog, popup or tooltip we want it to ignore the brushed metal look.
 319         if (isPopup) {
 320             styleBits = SET(styleBits, TEXTURED, false);
 321             // Popups in applets don't activate applet's process
 322             styleBits = SET(styleBits, NONACTIVATING, true);
 323             styleBits = SET(styleBits, IS_POPUP, true);
 324         }
 325 
 326         if (Window.Type.UTILITY.equals(target.getType())) {
 327             styleBits = SET(styleBits, UTILITY, true);
 328         }
 329 
 330         if (target instanceof javax.swing.RootPaneContainer) {
 331             javax.swing.JRootPane rootpane = ((javax.swing.RootPaneContainer)target).getRootPane();
 332             Object prop = null;
 333 
 334             prop = rootpane.getClientProperty(WINDOW_BRUSH_METAL_LOOK);
 335             if (prop != null) {
 336                 styleBits = SET(styleBits, TEXTURED, Boolean.parseBoolean(prop.toString()));
 337             }
 338 
 339             if (isDialog && ((Dialog)target).getModalityType() == ModalityType.DOCUMENT_MODAL) {
 340                 prop = rootpane.getClientProperty(WINDOW_DOC_MODAL_SHEET);
 341                 if (prop != null) {
 342                     styleBits = SET(styleBits, SHEET, Boolean.parseBoolean(prop.toString()));
 343                 }
 344             }
 345 
 346             prop = rootpane.getClientProperty(WINDOW_STYLE);
 347             if (prop != null) {
 348                 if ("small".equals(prop))  {
 349                     styleBits = SET(styleBits, UTILITY, true);
 350                     if (target.isAlwaysOnTop() && rootpane.getClientProperty(WINDOW_HIDES_ON_DEACTIVATE) == null) {
 351                         styleBits = SET(styleBits, HIDES_ON_DEACTIVATE, true);
 352                     }
 353                 }
 354                 if ("textured".equals(prop)) styleBits = SET(styleBits, TEXTURED, true);
 355                 if ("unified".equals(prop)) styleBits = SET(styleBits, UNIFIED, true);
 356                 if ("hud".equals(prop)) styleBits = SET(styleBits, HUD, true);
 357             }
 358 
 359             prop = rootpane.getClientProperty(WINDOW_HIDES_ON_DEACTIVATE);
 360             if (prop != null) {
 361                 styleBits = SET(styleBits, HIDES_ON_DEACTIVATE, Boolean.parseBoolean(prop.toString()));
 362             }
 363 
 364             prop = rootpane.getClientProperty(WINDOW_CLOSEABLE);
 365             if (prop != null) {
 366                 styleBits = SET(styleBits, CLOSEABLE, Boolean.parseBoolean(prop.toString()));
 367             }
 368 
 369             prop = rootpane.getClientProperty(WINDOW_MINIMIZABLE);
 370             if (prop != null) {
 371                 styleBits = SET(styleBits, MINIMIZABLE, Boolean.parseBoolean(prop.toString()));
 372             }
 373 
 374             prop = rootpane.getClientProperty(WINDOW_ZOOMABLE);
 375             if (prop != null) {
 376                 styleBits = SET(styleBits, ZOOMABLE, Boolean.parseBoolean(prop.toString()));
 377             }
 378 
 379             prop = rootpane.getClientProperty(WINDOW_FULLSCREENABLE);
 380             if (prop != null) {
 381                 styleBits = SET(styleBits, FULLSCREENABLE, Boolean.parseBoolean(prop.toString()));
 382             }
 383 
 384             prop = rootpane.getClientProperty(WINDOW_SHADOW);
 385             if (prop != null) {
 386                 styleBits = SET(styleBits, HAS_SHADOW, Boolean.parseBoolean(prop.toString()));
 387             }
 388 
 389             prop = rootpane.getClientProperty(WINDOW_DRAGGABLE_BACKGROUND);
 390             if (prop != null) {
 391                 styleBits = SET(styleBits, DRAGGABLE_BACKGROUND, Boolean.parseBoolean(prop.toString()));
 392             }
 393         }
 394 
 395         if (isDialog) {
 396             styleBits = SET(styleBits, IS_DIALOG, true);
 397             if (((Dialog) target).isModal()) {
 398                 styleBits = SET(styleBits, IS_MODAL, true);
 399             }
 400         }
 401 
 402         peer.setTextured(IS(TEXTURED, styleBits));
 403 
 404         return styleBits;
 405     }
 406 
 407     // this is the counter-point to -[CWindow _nativeSetStyleBit:]
 408     private void setStyleBits(final int mask, final boolean value) {
 409         nativeSetNSWindowStyleBits(getNSWindowPtr(), mask, value ? mask : 0);
 410     }
 411 
 412     private native void _toggleFullScreenMode(final long model);
 413 
 414     public void toggleFullScreen() {
 415         _toggleFullScreenMode(getNSWindowPtr());
 416     }
 417 
 418     @Override // PlatformWindow
 419     public void setMenuBar(MenuBar mb) {
 420         final long nsWindowPtr = getNSWindowPtr();
 421         CMenuBar mbPeer = (CMenuBar)LWToolkit.targetToPeer(mb);
 422         if (mbPeer != null) {
 423             nativeSetNSWindowMenuBar(nsWindowPtr, mbPeer.getModel());
 424         } else {
 425             nativeSetNSWindowMenuBar(nsWindowPtr, 0);
 426         }
 427     }
 428 
 429     @Override // PlatformWindow
 430     public void dispose() {
 431         if (owner != null) {
 432             CWrapper.NSWindow.removeChildWindow(owner.getNSWindowPtr(), getNSWindowPtr());
 433         }
 434         contentView.dispose();
 435         nativeDispose(getNSWindowPtr());
 436         CPlatformWindow.super.dispose();
 437     }
 438 
 439     @Override // PlatformWindow
 440     public FontMetrics getFontMetrics(Font f) {
 441         // TODO: not implemented
 442         (new RuntimeException("unimplemented")).printStackTrace();
 443         return null;
 444     }
 445 
 446     @Override // PlatformWindow
 447     public Insets getInsets() {
 448         return nativeGetNSWindowInsets(getNSWindowPtr());
 449     }
 450 
 451     @Override // PlatformWindow
 452     public Point getLocationOnScreen() {
 453         return new Point(nativeBounds.x, nativeBounds.y);
 454     }
 455 
 456     @Override
 457     public GraphicsDevice getGraphicsDevice() {
 458         return contentView.getGraphicsDevice();
 459     }
 460 
 461     @Override // PlatformWindow
 462     public SurfaceData getScreenSurface() {
 463         // TODO: not implemented
 464         return null;
 465     }
 466 
 467     @Override // PlatformWindow
 468     public SurfaceData replaceSurfaceData() {
 469         return contentView.replaceSurfaceData();
 470     }
 471 
 472     @Override // PlatformWindow
 473     public void setBounds(int x, int y, int w, int h) {
 474         nativeSetNSWindowBounds(getNSWindowPtr(), x, y, w, h);
 475     }
 476 
 477     private boolean isMaximized() {
 478         return undecorated ? this.normalBounds != null
 479                 : CWrapper.NSWindow.isZoomed(getNSWindowPtr());
 480     }
 481 
 482     private void maximize() {
 483         if (peer == null || isMaximized()) {
 484             return;
 485         }
 486         if (!undecorated) {
 487             CWrapper.NSWindow.zoom(getNSWindowPtr());
 488         } else {
 489             deliverZoom(true);
 490 
 491             this.normalBounds = peer.getBounds();
 492 
 493             GraphicsConfiguration config = getPeer().getGraphicsConfiguration();
 494             Insets i = ((CGraphicsDevice)config.getDevice()).getScreenInsets();
 495             Rectangle toBounds = config.getBounds();
 496             setBounds(toBounds.x + i.left,
 497                       toBounds.y + i.top,
 498                       toBounds.width - i.left - i.right,
 499                       toBounds.height - i.top - i.bottom);
 500         }
 501     }
 502 
 503     private void unmaximize() {
 504         if (!isMaximized()) {
 505             return;
 506         }
 507         if (!undecorated) {
 508             CWrapper.NSWindow.zoom(getNSWindowPtr());
 509         } else {
 510             deliverZoom(false);
 511 
 512             Rectangle toBounds = this.normalBounds;
 513             this.normalBounds = null;
 514             setBounds(toBounds.x, toBounds.y, toBounds.width, toBounds.height);
 515         }
 516     }
 517 
 518     public boolean isVisible() {
 519         return this.visible;
 520     }
 521 
 522     @Override // PlatformWindow
 523     @SuppressWarnings("deprecation")
 524     public void setVisible(boolean visible) {
 525         final long nsWindowPtr = getNSWindowPtr();
 526 
 527         // Process parent-child relationship when hiding
 528         if (!visible) {
 529             // Unparent my children
 530             for (Window w : target.getOwnedWindows()) {
 531                 WindowPeer p = (WindowPeer)w.getPeer();
 532                 if (p instanceof LWWindowPeer) {
 533                     CPlatformWindow pw = (CPlatformWindow)((LWWindowPeer)p).getPlatformWindow();
 534                     if (pw != null && pw.isVisible()) {
 535                         CWrapper.NSWindow.removeChildWindow(nsWindowPtr, pw.getNSWindowPtr());
 536                     }
 537                 }
 538             }
 539 
 540             // Unparent myself
 541             if (owner != null && owner.isVisible()) {
 542                 CWrapper.NSWindow.removeChildWindow(owner.getNSWindowPtr(), nsWindowPtr);
 543             }
 544         }
 545 
 546         // Configure stuff
 547         updateIconImages();
 548         updateFocusabilityForAutoRequestFocus(false);
 549 
 550         boolean wasMaximized = isMaximized();
 551 
 552         // Actually show or hide the window
 553         LWWindowPeer blocker = (peer == null)? null : peer.getBlocker();
 554         if (blocker == null || !visible) {
 555             // If it ain't blocked, or is being hidden, go regular way
 556             if (visible) {
 557                 CWrapper.NSWindow.makeFirstResponder(nsWindowPtr, contentView.getAWTView());
 558 
 559                 boolean isPopup = (target.getType() == Window.Type.POPUP);
 560                 if (isPopup) {
 561                     // Popups in applets don't activate applet's process
 562                     CWrapper.NSWindow.orderFrontRegardless(nsWindowPtr);
 563                 } else {
 564                     CWrapper.NSWindow.orderFront(nsWindowPtr);
 565                 }
 566 
 567                 boolean isKeyWindow = CWrapper.NSWindow.isKeyWindow(nsWindowPtr);
 568                 if (!isKeyWindow) {
 569                     CWrapper.NSWindow.makeKeyWindow(nsWindowPtr);
 570                 }
 571             } else {
 572                 // immediately hide the window
 573                 CWrapper.NSWindow.orderOut(nsWindowPtr);
 574                 // process the close
 575                 CWrapper.NSWindow.close(nsWindowPtr);
 576             }
 577         } else {
 578             // otherwise, put it in a proper z-order
 579             CWrapper.NSWindow.orderWindow(nsWindowPtr, CWrapper.NSWindow.NSWindowBelow,
 580                     ((CPlatformWindow)blocker.getPlatformWindow()).getNSWindowPtr());
 581         }
 582         this.visible = visible;
 583 
 584         // Manage the extended state when showing
 585         if (visible) {
 586             // Apply the extended state as expected in shared code
 587             if (target instanceof Frame) {
 588                 if (!wasMaximized && isMaximized()) {
 589                     // setVisible could have changed the native maximized state
 590                     deliverZoom(true);
 591                 } else {
 592                     int frameState = ((Frame)target).getExtendedState();
 593                     if ((frameState & Frame.ICONIFIED) != 0) {
 594                         // Treat all state bit masks with ICONIFIED bit as ICONIFIED state.
 595                         frameState = Frame.ICONIFIED;
 596                     }
 597                     switch (frameState) {
 598                         case Frame.ICONIFIED:
 599                             CWrapper.NSWindow.miniaturize(nsWindowPtr);
 600                             break;
 601                         case Frame.MAXIMIZED_BOTH:
 602                             maximize();
 603                             break;
 604                         default: // NORMAL
 605                             unmaximize(); // in case it was maximized, otherwise this is a no-op
 606                             break;
 607                     }
 608                 }
 609             }
 610         }
 611 
 612         nativeSynthesizeMouseEnteredExitedEvents();
 613 
 614         // Configure stuff #2
 615         updateFocusabilityForAutoRequestFocus(true);
 616 
 617         // Manage parent-child relationship when showing
 618         if (visible) {
 619             // Add myself as a child
 620             if (owner != null && owner.isVisible()) {
 621                 CWrapper.NSWindow.addChildWindow(owner.getNSWindowPtr(), nsWindowPtr, CWrapper.NSWindow.NSWindowAbove);
 622                 applyWindowLevel(target);
 623             }
 624 
 625             // Add my own children to myself
 626             for (Window w : target.getOwnedWindows()) {
 627                 WindowPeer p = (WindowPeer)w.getPeer();
 628                 if (p instanceof LWWindowPeer) {
 629                     CPlatformWindow pw = (CPlatformWindow)((LWWindowPeer)p).getPlatformWindow();
 630                     if (pw != null && pw.isVisible()) {
 631                         CWrapper.NSWindow.addChildWindow(nsWindowPtr, pw.getNSWindowPtr(), CWrapper.NSWindow.NSWindowAbove);
 632                         pw.applyWindowLevel(w);
 633                     }
 634                 }
 635             }
 636         }
 637 
 638         // Deal with the blocker of the window being shown
 639         if (blocker != null && visible) {
 640             // Make sure the blocker is above its siblings
 641             ((CPlatformWindow)blocker.getPlatformWindow()).orderAboveSiblings();
 642         }
 643     }
 644 
 645     @Override // PlatformWindow
 646     public void setTitle(String title) {
 647         nativeSetNSWindowTitle(getNSWindowPtr(), title);
 648     }
 649 
 650     // Should be called on every window key property change.
 651     @Override // PlatformWindow
 652     public void updateIconImages() {
 653         final long nsWindowPtr = getNSWindowPtr();
 654         final CImage cImage = getImageForTarget();
 655         nativeSetNSWindowMinimizedIcon(nsWindowPtr, cImage == null ? 0L : cImage.ptr);
 656     }
 657 
 658     public long getNSWindowPtr() {
 659         final long nsWindowPtr = ptr;
 660         if (nsWindowPtr == 0L) {
 661             if(logger.isLoggable(PlatformLogger.Level.FINE)) {
 662                 logger.fine("NSWindow already disposed?", new Exception("Pointer to native NSWindow is invalid."));
 663             }
 664         }
 665         return nsWindowPtr;
 666     }
 667 
 668     public SurfaceData getSurfaceData() {
 669         return contentView.getSurfaceData();
 670     }
 671 
 672     @Override  // PlatformWindow
 673     public void toBack() {
 674         final long nsWindowPtr = getNSWindowPtr();
 675         nativePushNSWindowToBack(nsWindowPtr);
 676     }
 677 
 678     @Override  // PlatformWindow
 679     @SuppressWarnings("deprecation")
 680     public void toFront() {
 681         final long nsWindowPtr = getNSWindowPtr();
 682         LWCToolkit lwcToolkit = (LWCToolkit) Toolkit.getDefaultToolkit();
 683         Window w = DefaultKeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow();
 684         if( w != null && w.getPeer() != null
 685                 && ((LWWindowPeer)w.getPeer()).getPeerType() == LWWindowPeer.PeerType.EMBEDDED_FRAME
 686                 && !lwcToolkit.isApplicationActive()) {
 687             lwcToolkit.activateApplicationIgnoringOtherApps();
 688         }
 689         updateFocusabilityForAutoRequestFocus(false);
 690         nativePushNSWindowToFront(nsWindowPtr);
 691         updateFocusabilityForAutoRequestFocus(true);
 692     }
 693 
 694     @Override
 695     public void setResizable(final boolean resizable) {
 696         setStyleBits(RESIZABLE, resizable);
 697     }
 698 
 699     @Override
 700     public void setSizeConstraints(int minW, int minH, int maxW, int maxH) {
 701         nativeSetNSWindowMinMax(getNSWindowPtr(), minW, minH, maxW, maxH);
 702     }
 703 
 704     @Override
 705     public boolean rejectFocusRequest(CausedFocusEvent.Cause cause) {
 706         // Cross-app activation requests are not allowed.
 707         if (cause != CausedFocusEvent.Cause.MOUSE_EVENT &&
 708             !((LWCToolkit)Toolkit.getDefaultToolkit()).isApplicationActive())
 709         {
 710             focusLogger.fine("the app is inactive, so the request is rejected");
 711             return true;
 712         }
 713         return false;
 714     }
 715 
 716     @Override
 717     public boolean requestWindowFocus() {
 718 
 719         long ptr = getNSWindowPtr();
 720         if (CWrapper.NSWindow.canBecomeMainWindow(ptr)) {
 721             CWrapper.NSWindow.makeMainWindow(ptr);
 722         }
 723         CWrapper.NSWindow.makeKeyAndOrderFront(ptr);
 724         return true;
 725     }
 726 
 727     @Override
 728     public boolean isActive() {
 729         long ptr = getNSWindowPtr();
 730         return CWrapper.NSWindow.isKeyWindow(ptr);
 731     }
 732 
 733     @Override
 734     public void updateFocusableWindowState() {
 735         final boolean isFocusable = isNativelyFocusableWindow();
 736         setStyleBits(SHOULD_BECOME_KEY | SHOULD_BECOME_MAIN, isFocusable); // set both bits at once
 737     }
 738 
 739     @Override
 740     public Graphics transformGraphics(Graphics g) {
 741         // is this where we can inject a transform for HiDPI?
 742         return g;
 743     }
 744 
 745     @Override
 746     public void setAlwaysOnTop(boolean isAlwaysOnTop) {
 747         setStyleBits(ALWAYS_ON_TOP, isAlwaysOnTop);
 748     }
 749 
 750     public PlatformWindow getTopmostPlatformWindowUnderMouse(){
 751         return CPlatformWindow.nativeGetTopmostPlatformWindowUnderMouse();
 752     }
 753 
 754     @Override
 755     public void setOpacity(float opacity) {
 756         CWrapper.NSWindow.setAlphaValue(getNSWindowPtr(), opacity);
 757     }
 758 
 759     @Override
 760     public void setOpaque(boolean isOpaque) {
 761         CWrapper.NSWindow.setOpaque(getNSWindowPtr(), isOpaque);
 762         boolean isTextured = (peer == null) ? false : peer.isTextured();
 763         if (!isTextured) {
 764             if (!isOpaque) {
 765                 CWrapper.NSWindow.setBackgroundColor(getNSWindowPtr(), 0);
 766             } else if (peer != null) {
 767                 Color color = peer.getBackground();
 768                 if (color != null) {
 769                     int rgb = color.getRGB();
 770                     CWrapper.NSWindow.setBackgroundColor(getNSWindowPtr(), rgb);
 771                 }
 772             }
 773         }
 774 
 775         //This is a temporary workaround. Looks like after 7124236 will be fixed
 776         //the correct place for invalidateShadow() is CGLayer.drawInCGLContext.
 777         SwingUtilities.invokeLater(this::invalidateShadow);
 778     }
 779 
 780     @Override
 781     public void enterFullScreenMode() {
 782         isFullScreenMode = true;
 783         nativeEnterFullScreenMode(getNSWindowPtr());
 784     }
 785 
 786     @Override
 787     public void exitFullScreenMode() {
 788         nativeExitFullScreenMode(getNSWindowPtr());
 789         isFullScreenMode = false;
 790     }
 791 
 792     @Override
 793     public boolean isFullScreenMode() {
 794         return isFullScreenMode;
 795     }
 796 
 797     @Override
 798     public void setWindowState(int windowState) {
 799         if (peer == null || !peer.isVisible()) {
 800             // setVisible() applies the state
 801             return;
 802         }
 803 
 804         int prevWindowState = peer.getState();
 805         if (prevWindowState == windowState) return;
 806 
 807         final long nsWindowPtr = getNSWindowPtr();
 808         if ((windowState & Frame.ICONIFIED) != 0) {
 809             // Treat all state bit masks with ICONIFIED bit as ICONIFIED state.
 810             windowState = Frame.ICONIFIED;
 811         }
 812         switch (windowState) {
 813             case Frame.ICONIFIED:
 814                 if (prevWindowState == Frame.MAXIMIZED_BOTH) {
 815                     // let's return into the normal states first
 816                     // the zoom call toggles between the normal and the max states
 817                     unmaximize();
 818                 }
 819                 CWrapper.NSWindow.miniaturize(nsWindowPtr);
 820                 break;
 821             case Frame.MAXIMIZED_BOTH:
 822                 if (prevWindowState == Frame.ICONIFIED) {
 823                     // let's return into the normal states first
 824                     CWrapper.NSWindow.deminiaturize(nsWindowPtr);
 825                 }
 826                 maximize();
 827                 break;
 828             case Frame.NORMAL:
 829                 if (prevWindowState == Frame.ICONIFIED) {
 830                     CWrapper.NSWindow.deminiaturize(nsWindowPtr);
 831                 } else if (prevWindowState == Frame.MAXIMIZED_BOTH) {
 832                     // the zoom call toggles between the normal and the max states
 833                     unmaximize();
 834                 }
 835                 break;
 836             default:
 837                 throw new RuntimeException("Unknown window state: " + windowState);
 838         }
 839 
 840         // NOTE: the SWP.windowState field gets updated to the newWindowState
 841         //       value when the native notification comes to us
 842     }
 843 
 844     @Override
 845     public void setModalBlocked(boolean blocked) {
 846         if (target.getModalExclusionType() == Dialog.ModalExclusionType.APPLICATION_EXCLUDE) {
 847             return;
 848         }
 849 
 850         nativeSetEnabled(getNSWindowPtr(), !blocked);
 851         checkBlockingAndOrder();
 852     }
 853 
 854     public final void invalidateShadow(){
 855         nativeRevalidateNSWindowShadow(getNSWindowPtr());
 856     }
 857 
 858     // ----------------------------------------------------------------------
 859     //                          UTILITY METHODS
 860     // ----------------------------------------------------------------------
 861 
 862     /**
 863      * Find image to install into Title or into Application icon. First try
 864      * icons installed for toplevel. Null is returned, if there is no icon and
 865      * default Duke image should be used.
 866      */
 867     private CImage getImageForTarget() {
 868         CImage icon = null;
 869         try {
 870             icon = CImage.getCreator().createFromImages(target.getIconImages());
 871         } catch (Exception ignored) {
 872             // Perhaps the icon passed into Java is broken. Skipping this icon.
 873         }
 874         return icon;
 875     }
 876 
 877     /*
 878      * Returns LWWindowPeer associated with this delegate.
 879      */
 880     @Override
 881     public LWWindowPeer getPeer() {
 882         return peer;
 883     }
 884 
 885     @Override
 886     public boolean isUnderMouse() {
 887         return contentView.isUnderMouse();
 888     }
 889 
 890     public CPlatformView getContentView() {
 891         return contentView;
 892     }
 893 
 894     @Override
 895     public long getLayerPtr() {
 896         return contentView.getWindowLayerPtr();
 897     }
 898 
 899     private void validateSurface() {
 900         SurfaceData surfaceData = getSurfaceData();
 901         if (surfaceData instanceof CGLSurfaceData) {
 902             ((CGLSurfaceData)surfaceData).validate();
 903         }
 904     }
 905 
 906     void flushBuffers() {
 907         if (isVisible() && !nativeBounds.isEmpty() && !isFullScreenMode) {
 908             try {
 909                 LWCToolkit.invokeAndWait(new Runnable() {
 910                     @Override
 911                     public void run() {
 912                         //Posting an empty to flush the EventQueue without blocking the main thread
 913                     }
 914                 }, target);
 915             } catch (InvocationTargetException e) {
 916                 e.printStackTrace();
 917             }
 918         }
 919     }
 920 
 921     /**
 922      * Helper method to get a pointer to the native view from the PlatformWindow.
 923      */
 924     static long getNativeViewPtr(PlatformWindow platformWindow) {
 925         long nativePeer = 0L;
 926         if (platformWindow instanceof CPlatformWindow) {
 927             nativePeer = ((CPlatformWindow) platformWindow).getContentView().getAWTView();
 928         } else if (platformWindow instanceof CViewPlatformEmbeddedFrame){
 929             nativePeer = ((CViewPlatformEmbeddedFrame) platformWindow).getNSViewPtr();
 930         }
 931         return nativePeer;
 932     }
 933 
 934     /*************************************************************
 935      * Callbacks from the AWTWindow and AWTView objc classes.
 936      *************************************************************/
 937     private void deliverWindowFocusEvent(boolean gained, CPlatformWindow opposite){
 938         // Fix for 7150349: ingore "gained" notifications when the app is inactive.
 939         if (gained && !((LWCToolkit)Toolkit.getDefaultToolkit()).isApplicationActive()) {
 940             focusLogger.fine("the app is inactive, so the notification is ignored");
 941             return;
 942         }
 943 
 944         LWWindowPeer oppositePeer = (opposite == null)? null : opposite.getPeer();
 945         responder.handleWindowFocusEvent(gained, oppositePeer);
 946     }
 947 
 948     protected void deliverMoveResizeEvent(int x, int y, int width, int height,
 949                                         boolean byUser) {
 950         checkZoom();
 951 
 952         final Rectangle oldB = nativeBounds;
 953         nativeBounds = new Rectangle(x, y, width, height);
 954         if (peer != null) {
 955             peer.notifyReshape(x, y, width, height);
 956             // System-dependent appearance optimization.
 957             if ((byUser && !oldB.getSize().equals(nativeBounds.getSize()))
 958                     || isFullScreenAnimationOn) {
 959                 flushBuffers();
 960             }
 961         }
 962     }
 963 
 964     private void deliverWindowClosingEvent() {
 965         if (peer != null && peer.getBlocker() == null) {
 966             peer.postEvent(new WindowEvent(target, WindowEvent.WINDOW_CLOSING));
 967         }
 968     }
 969 
 970     private void deliverIconify(final boolean iconify) {
 971         if (peer != null) {
 972             peer.notifyIconify(iconify);
 973         }
 974     }
 975 
 976     private void deliverZoom(final boolean isZoomed) {
 977         if (peer != null) {
 978             peer.notifyZoom(isZoomed);
 979         }
 980     }
 981 
 982     private void checkZoom() {
 983         if (target instanceof Frame && isVisible()) {
 984             Frame targetFrame = (Frame)target;
 985             if (targetFrame.getExtendedState() != Frame.MAXIMIZED_BOTH && isMaximized()) {
 986                 deliverZoom(true);
 987             } else if (targetFrame.getExtendedState() == Frame.MAXIMIZED_BOTH && !isMaximized()) {
 988                 deliverZoom(false);
 989             }
 990         }
 991     }
 992 
 993     private void deliverNCMouseDown() {
 994         if (peer != null) {
 995             peer.notifyNCMouseDown();
 996         }
 997     }
 998 
 999     /*
1000      * Our focus model is synthetic and only non-simple window
1001      * may become natively focusable window.
1002      */
1003     private boolean isNativelyFocusableWindow() {
1004         if (peer == null) {
1005             return false;
1006         }
1007 
1008         return !peer.isSimpleWindow() && target.getFocusableWindowState();
1009     }
1010 
1011     /*
1012      * An utility method for the support of the auto request focus.
1013      * Updates the focusable state of the window under certain
1014      * circumstances.
1015      */
1016     private void updateFocusabilityForAutoRequestFocus(boolean isFocusable) {
1017         if (target.isAutoRequestFocus() || !isNativelyFocusableWindow()) return;
1018         setStyleBits(SHOULD_BECOME_KEY | SHOULD_BECOME_MAIN, isFocusable); // set both bits at once
1019     }
1020 
1021     private boolean checkBlockingAndOrder() {
1022         LWWindowPeer blocker = (peer == null)? null : peer.getBlocker();
1023         if (blocker == null) {
1024             return false;
1025         }
1026 
1027         if (blocker instanceof CPrinterDialogPeer) {
1028             return true;
1029         }
1030 
1031         CPlatformWindow pWindow = (CPlatformWindow)blocker.getPlatformWindow();
1032 
1033         pWindow.orderAboveSiblings();
1034 
1035         final long nsWindowPtr = pWindow.getNSWindowPtr();
1036         CWrapper.NSWindow.orderFrontRegardless(nsWindowPtr);
1037         CWrapper.NSWindow.makeKeyAndOrderFront(nsWindowPtr);
1038         CWrapper.NSWindow.makeMainWindow(nsWindowPtr);
1039 
1040         return true;
1041     }
1042 
1043     private void orderAboveSiblings() {
1044         if (owner == null) {
1045             return;
1046         }
1047 
1048         // NOTE: the logic will fail if we have a hierarchy like:
1049         //       visible root owner
1050         //          invisible owner
1051         //              visible dialog
1052         // However, this is an unlikely scenario for real life apps
1053         if (owner.isVisible()) {
1054             // Recursively pop up the windows from the very bottom so that only
1055             // the very top-most one becomes the main window
1056             owner.orderAboveSiblings();
1057 
1058             // Order the window to front of the stack of child windows
1059             final long nsWindowSelfPtr = getNSWindowPtr();
1060             final long nsWindowOwnerPtr = owner.getNSWindowPtr();
1061             CWrapper.NSWindow.removeChildWindow(nsWindowOwnerPtr, nsWindowSelfPtr);
1062             CWrapper.NSWindow.addChildWindow(nsWindowOwnerPtr, nsWindowSelfPtr, CWrapper.NSWindow.NSWindowAbove);
1063         }
1064 
1065         applyWindowLevel(target);
1066     }
1067 
1068     protected void applyWindowLevel(Window target) {
1069         if (target.isAlwaysOnTop() && target.getType() != Window.Type.POPUP) {
1070             CWrapper.NSWindow.setLevel(getNSWindowPtr(), CWrapper.NSWindow.NSFloatingWindowLevel);
1071         } else if (target.getType() == Window.Type.POPUP) {
1072             CWrapper.NSWindow.setLevel(getNSWindowPtr(), CWrapper.NSWindow.NSPopUpMenuWindowLevel);
1073         }
1074     }
1075 
1076     // ----------------------------------------------------------------------
1077     //                          NATIVE CALLBACKS
1078     // ----------------------------------------------------------------------
1079 
1080     private void windowDidBecomeMain() {
1081         if (checkBlockingAndOrder()) return;
1082         // If it's not blocked, make sure it's above its siblings
1083         orderAboveSiblings();
1084     }
1085 
1086     private void windowWillEnterFullScreen() {
1087         isFullScreenAnimationOn = true;
1088     }
1089 
1090     private void windowDidEnterFullScreen() {
1091         isFullScreenAnimationOn = false;
1092     }
1093 
1094     private void windowWillExitFullScreen() {
1095         isFullScreenAnimationOn = true;
1096     }
1097 
1098     private void windowDidExitFullScreen() {
1099         isFullScreenAnimationOn = false;
1100     }
1101 }