Source Code Cross Referenced for Frame.java in  » Apache-Harmony-Java-SE » java-package » java » awt » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.awt 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  See the NOTICE file distributed with
004:         *  this work for additional information regarding copyright ownership.
005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
006:         *  (the "License"); you may not use this file except in compliance with
007:         *  the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         *  Unless required by applicable law or agreed to in writing, software
012:         *  distributed under the License is distributed on an "AS IS" BASIS,
013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         *  See the License for the specific language governing permissions and
015:         *  limitations under the License.
016:         */
017:        /**
018:         * @author Dmitry A. Durnev
019:         * @version $Revision$
020:         */package java.awt;
021:
022:        import java.awt.event.WindowEvent;
023:        import java.lang.ref.WeakReference;
024:        import java.util.ArrayList;
025:        import java.util.Iterator;
026:
027:        import javax.accessibility.AccessibleContext;
028:        import javax.accessibility.AccessibleRole;
029:        import javax.accessibility.AccessibleStateSet;
030:
031:        import org.apache.harmony.awt.gl.MultiRectArea;
032:        import org.apache.harmony.awt.wtk.NativeWindow;
033:
034:        public class Frame extends Window implements  MenuContainer {
035:            private static final long serialVersionUID = 2673458971256075116L;
036:
037:            @Deprecated
038:            public static final int DEFAULT_CURSOR = 0;
039:
040:            @Deprecated
041:            public static final int CROSSHAIR_CURSOR = 1;
042:
043:            @Deprecated
044:            public static final int TEXT_CURSOR = 2;
045:
046:            @Deprecated
047:            public static final int WAIT_CURSOR = 3;
048:
049:            @Deprecated
050:            public static final int SW_RESIZE_CURSOR = 4;
051:
052:            @Deprecated
053:            public static final int SE_RESIZE_CURSOR = 5;
054:
055:            @Deprecated
056:            public static final int NW_RESIZE_CURSOR = 6;
057:
058:            @Deprecated
059:            public static final int NE_RESIZE_CURSOR = 7;
060:
061:            @Deprecated
062:            public static final int N_RESIZE_CURSOR = 8;
063:
064:            @Deprecated
065:            public static final int S_RESIZE_CURSOR = 9;
066:
067:            @Deprecated
068:            public static final int W_RESIZE_CURSOR = 10;
069:
070:            @Deprecated
071:            public static final int E_RESIZE_CURSOR = 11;
072:
073:            @Deprecated
074:            public static final int HAND_CURSOR = 12;
075:
076:            @Deprecated
077:            public static final int MOVE_CURSOR = 13;
078:
079:            public static final int NORMAL = 0;
080:
081:            public static final int ICONIFIED = 1;
082:
083:            public static final int MAXIMIZED_HORIZ = 2;
084:
085:            public static final int MAXIMIZED_VERT = 4;
086:
087:            public static final int MAXIMIZED_BOTH = 6;
088:
089:            private int state = NORMAL;
090:            private MenuBar menuBar;
091:
092:            private Image iconImage;
093:
094:            private Rectangle maximizedBounds;
095:
096:            protected class AccessibleAWTFrame extends AccessibleAWTWindow {
097:                private static final long serialVersionUID = -6172960752956030250L;
098:
099:                @Override
100:                public AccessibleRole getAccessibleRole() {
101:                    toolkit.lockAWT();
102:                    try {
103:                        return AccessibleRole.FRAME;
104:                    } finally {
105:                        toolkit.unlockAWT();
106:                    }
107:                }
108:
109:                @Override
110:                public AccessibleStateSet getAccessibleStateSet() {
111:                    // do nothing(Window does everything already)
112:                    return super .getAccessibleStateSet();
113:                }
114:            }
115:
116:            public Frame(String title, GraphicsConfiguration gc) {
117:                super (null, gc);
118:                toolkit.lockAWT();
119:                try {
120:                    setTitle(title);
121:                    setResizable(true);
122:                    toolkit.allFrames.add(this );
123:                } finally {
124:                    toolkit.unlockAWT();
125:                }
126:            }
127:
128:            public Frame(String title) throws HeadlessException {
129:                this (title, null);
130:                toolkit.lockAWT();
131:                try {
132:                } finally {
133:                    toolkit.unlockAWT();
134:                }
135:            }
136:
137:            public Frame() throws HeadlessException {
138:                this (""); //$NON-NLS-1$
139:                toolkit.lockAWT();
140:                try {
141:                } finally {
142:                    toolkit.unlockAWT();
143:                }
144:            }
145:
146:            public Frame(GraphicsConfiguration gc) {
147:                this ("", gc); //$NON-NLS-1$
148:                toolkit.lockAWT();
149:                try {
150:                } finally {
151:                    toolkit.unlockAWT();
152:                }
153:            }
154:
155:            @Override
156:            protected void finalize() throws Throwable {
157:                // do nothing
158:            }
159:
160:            @Override
161:            public void remove(MenuComponent popup) {
162:                toolkit.lockAWT();
163:                try {
164:                    // TODO: implement
165:                    // temporary solve
166:                    super .remove(popup);
167:                } finally {
168:                    toolkit.unlockAWT();
169:                }
170:            }
171:
172:            public int getState() {
173:                toolkit.lockAWT();
174:                try {
175:                    return getExtendedState();
176:                } finally {
177:                    toolkit.unlockAWT();
178:                }
179:            }
180:
181:            @Override
182:            public void addNotify() {
183:                toolkit.lockAWT();
184:                try {
185:                    super .addNotify();
186:                    if (menuBar != null) {
187:                        menuBar.addNotify();
188:                    }
189:                } finally {
190:                    toolkit.unlockAWT();
191:                }
192:            }
193:
194:            @Override
195:            public AccessibleContext getAccessibleContext() {
196:                toolkit.lockAWT();
197:                try {
198:                    return super .getAccessibleContext();
199:                } finally {
200:                    toolkit.unlockAWT();
201:                }
202:            }
203:
204:            @Override
205:            protected String paramString() {
206:                toolkit.lockAWT();
207:                try {
208:                    return (super .paramString() + ",title=" + getTitle() + //$NON-NLS-1$
209:                            (isResizable() ? ",resizable" : "") + //$NON-NLS-1$ //$NON-NLS-2$
210:                            "," + getStateString()); //$NON-NLS-1$
211:                } finally {
212:                    toolkit.unlockAWT();
213:                }
214:            }
215:
216:            private String getStateString() {
217:                String str = ""; //$NON-NLS-1$
218:                if ((state & NORMAL) != 0) {
219:                    str = "normal"; //$NON-NLS-1$
220:                }
221:                if ((state & ICONIFIED) != 0) {
222:                    str = "iconified"; //$NON-NLS-1$
223:                }
224:                if ((state & MAXIMIZED_VERT) != 0) {
225:                    str = "maximized_vert"; //$NON-NLS-1$
226:                }
227:                if ((state & MAXIMIZED_HORIZ) != 0) {
228:                    str = "maximized_horiz"; //$NON-NLS-1$
229:                }
230:                if ((state & MAXIMIZED_BOTH) != 0) {
231:                    str = "maximized"; //$NON-NLS-1$
232:                }
233:
234:                return str;
235:            }
236:
237:            @Override
238:            public void removeNotify() {
239:                toolkit.lockAWT();
240:                try {
241:                    if (menuBar != null) {
242:                        menuBar.removeNotify();
243:                    }
244:                    super .removeNotify();
245:                } finally {
246:                    toolkit.unlockAWT();
247:                }
248:            }
249:
250:            /**
251:             * @deprecated
252:             */
253:            @Deprecated
254:            public void setCursor(int cursorType) {
255:                toolkit.lockAWT();
256:                try {
257:                    setCursor(Cursor.getPredefinedCursor(cursorType));
258:                } finally {
259:                    toolkit.unlockAWT();
260:                }
261:            }
262:
263:            /**
264:             * @deprecated
265:             */
266:            @Deprecated
267:            public int getCursorType() {
268:                toolkit.lockAWT();
269:                try {
270:                    return getCursor().getType();
271:                } finally {
272:                    toolkit.unlockAWT();
273:                }
274:            }
275:
276:            public static Frame[] getFrames() {
277:                Toolkit.staticLockAWT();
278:                try {
279:                    return Toolkit.getDefaultToolkit().allFrames.getFrames();
280:                } finally {
281:                    Toolkit.staticUnlockAWT();
282:                }
283:            }
284:
285:            /**
286:             * Returns icon image of this frame. 
287:             */
288:            @Override
289:            public Image getIconImage() {
290:                toolkit.lockAWT();
291:                try {
292:                    return iconImage;
293:                } finally {
294:                    toolkit.unlockAWT();
295:                }
296:            }
297:
298:            public Rectangle getMaximizedBounds() {
299:                toolkit.lockAWT();
300:                try {
301:                    return maximizedBounds;
302:                } finally {
303:                    toolkit.unlockAWT();
304:                }
305:            }
306:
307:            public MenuBar getMenuBar() {
308:                toolkit.lockAWT();
309:                try {
310:                    return menuBar;
311:                } finally {
312:                    toolkit.unlockAWT();
313:                }
314:            }
315:
316:            @Override
317:            public String getTitle() {
318:                toolkit.lockAWT();
319:                try {
320:                    return super .getTitle();
321:                } finally {
322:                    toolkit.unlockAWT();
323:                }
324:            }
325:
326:            @Override
327:            public boolean isResizable() {
328:                toolkit.lockAWT();
329:                try {
330:                    return super .isResizable();
331:                } finally {
332:                    toolkit.unlockAWT();
333:                }
334:            }
335:
336:            @Override
337:            public boolean isUndecorated() {
338:                toolkit.lockAWT();
339:                try {
340:                    return super .isUndecorated();
341:                } finally {
342:                    toolkit.unlockAWT();
343:                }
344:            }
345:
346:            public int getExtendedState() {
347:                toolkit.lockAWT();
348:                try {
349:                    return state;
350:                } finally {
351:                    toolkit.unlockAWT();
352:                }
353:            }
354:
355:            public void setExtendedState(int state) {
356:                toolkit.lockAWT();
357:                try {
358:                    int oldState = this .state;
359:                    int newState = NORMAL;
360:
361:                    if (((state & ICONIFIED) > 0)
362:                            && toolkit.isFrameStateSupported(ICONIFIED)) {
363:                        newState |= ICONIFIED;
364:                    }
365:                    if (((state & MAXIMIZED_BOTH) == MAXIMIZED_BOTH)
366:                            && toolkit.isFrameStateSupported(MAXIMIZED_BOTH)) {
367:                        newState |= MAXIMIZED_BOTH;
368:                    } else {
369:                        if (((state & MAXIMIZED_VERT) > 0)
370:                                && toolkit
371:                                        .isFrameStateSupported(MAXIMIZED_VERT)) {
372:                            newState |= MAXIMIZED_VERT;
373:                        }
374:                        if (((state & MAXIMIZED_HORIZ) > 0)
375:                                && toolkit
376:                                        .isFrameStateSupported(MAXIMIZED_HORIZ)) {
377:                            newState |= MAXIMIZED_HORIZ;
378:                        }
379:                    }
380:
381:                    if (newState != oldState) {
382:                        NativeWindow window = behaviour.getNativeWindow();
383:
384:                        this .state = newState;
385:                        if (window != null) {
386:                            window.setState(state);
387:                        }
388:                        postStateEvents(oldState);
389:                    }
390:                } finally {
391:                    toolkit.unlockAWT();
392:                }
393:            }
394:
395:            void updateExtendedState(int state) {
396:                int oldState = this .state;
397:
398:                if (state != oldState) {
399:                    this .state = state;
400:                    postStateEvents(oldState);
401:                }
402:            }
403:
404:            private void postStateEvents(int oldState) {
405:                int newIconified = (state & ICONIFIED);
406:                int oldIconified = (oldState & ICONIFIED);
407:
408:                if (newIconified != oldIconified) {
409:                    int eventID = (newIconified != 0 ? WindowEvent.WINDOW_ICONIFIED
410:                            : WindowEvent.WINDOW_DEICONIFIED);
411:
412:                    postEvent(new WindowEvent(this , eventID, 0, 0));
413:                }
414:                postEvent(new WindowEvent(this ,
415:                        WindowEvent.WINDOW_STATE_CHANGED, oldState, state));
416:            }
417:
418:            public void setIconImage(Image image) {
419:                toolkit.lockAWT();
420:                try {
421:                    iconImage = prepareIconImage(image);
422:                    NativeWindow win = getNativeWindow();
423:                    if (win != null) {
424:                        win.setIconImage(iconImage);
425:                    }
426:                } finally {
427:                    toolkit.unlockAWT();
428:                }
429:            }
430:
431:            private Image prepareIconImage(Image image) {
432:                if (image == null) {
433:                    return null;
434:                }
435:
436:                MediaTracker mt = new MediaTracker(this );
437:                mt.addImage(image, 0);
438:                try {
439:                    if (mt.waitForID(0, 2000)) {
440:                        return image;
441:                    }
442:                } catch (InterruptedException e) {
443:                }
444:                return null;
445:            }
446:
447:            public void setMaximizedBounds(Rectangle bounds) {
448:                toolkit.lockAWT();
449:                try {
450:                    maximizedBounds = bounds;
451:                    NativeWindow win = getNativeWindow();
452:                    if (win != null) {
453:                        win.setMaximizedBounds(bounds);
454:                    }
455:                } finally {
456:                    toolkit.unlockAWT();
457:                }
458:            }
459:
460:            public void setMenuBar(MenuBar menu) {
461:                toolkit.lockAWT();
462:                try {
463:                    if (menuBar != null) {
464:                        if (isDisplayable()) {
465:                            menuBar.removeNotify();
466:                        }
467:                    }
468:                    menuBar = menu;
469:                    if (menuBar != null) {
470:                        menuBar.setParent(this );
471:                        if (isDisplayable()) {
472:                            menuBar.addNotify();
473:                        }
474:                    }
475:                } finally {
476:                    toolkit.unlockAWT();
477:                }
478:            }
479:
480:            @Override
481:            public void setResizable(boolean resizable) {
482:                toolkit.lockAWT();
483:                try {
484:                    super .setResizable(resizable);
485:                } finally {
486:                    toolkit.unlockAWT();
487:                }
488:            }
489:
490:            public void setState(int state) {
491:                toolkit.lockAWT();
492:                try {
493:                    setExtendedState(state);
494:                } finally {
495:                    toolkit.unlockAWT();
496:                }
497:            }
498:
499:            @Override
500:            public void setTitle(String title) {
501:                super .setTitle(title);
502:            }
503:
504:            @Override
505:            public void setUndecorated(boolean undecorated) {
506:                toolkit.lockAWT();
507:                try {
508:                    super .setUndecorated(undecorated);
509:                } finally {
510:                    toolkit.unlockAWT();
511:                }
512:            }
513:
514:            @Override
515:            public Insets getInsets() {
516:                toolkit.lockAWT();
517:                try {
518:                    Insets insets = super .getInsets();
519:                    if (menuBar != null) {
520:                        insets.top += menuBar.getHeight();
521:                    }
522:                    return insets;
523:                } finally {
524:                    toolkit.unlockAWT();
525:                }
526:            }
527:
528:            @Override
529:            void setBounds(int x, int y, int w, int h, int bMask,
530:                    boolean updateBehavior) {
531:                boolean widthChanged = (this .w != w);
532:                super .setBounds(x, y, w, h, bMask, updateBehavior);
533:                if ((menuBar != null) && widthChanged) {
534:                    menuBar.validate();
535:                }
536:            }
537:
538:            @Override
539:            void nativeWindowCreated(NativeWindow win) {
540:                super .nativeWindowCreated(win);
541:
542:                win.setMaximizedBounds(getMaximizedBounds());
543:            }
544:
545:            @Override
546:            String autoName() {
547:                int number = toolkit.autoNumber.nextFrame++;
548:                return ("frame" + Integer.toString(number)); //$NON-NLS-1$
549:            }
550:
551:            @Override
552:            AccessibleContext createAccessibleContext() {
553:                return new AccessibleAWTFrame();
554:            }
555:
556:            void paintMenuBar(MultiRectArea clipArea) {
557:                if (menuBar == null) {
558:                    return;
559:                }
560:                Point menuPos = menuBar.getLocation();
561:                Rectangle bounds = new Rectangle(menuPos.x, menuPos.y, menuBar
562:                        .getWidth(), menuBar.getHeight());
563:                MultiRectArea menuClip = new MultiRectArea(clipArea);
564:                if (menuClip.getRectCount() > 0) {
565:                    clipArea.substract(bounds);
566:                    menuClip.translate(-menuPos.x, -menuPos.y);
567:                    Graphics g = menuBar.getGraphics(menuClip);
568:                    if (g != null) {
569:                        menuBar.paint(g);
570:                    }
571:                    g.dispose();
572:                }
573:            }
574:
575:            @Override
576:            void validateMenuBar() {
577:                if (menuBar != null) {
578:                    menuBar.validate();
579:                }
580:            }
581:
582:            static final class AllFrames {
583:                private final ArrayList<WeakReference<Frame>> frames = new ArrayList<WeakReference<Frame>>();
584:
585:                void add(Frame f) {
586:                    frames.add(new WeakReference<Frame>(f));
587:                }
588:
589:                Frame[] getFrames() {
590:                    ArrayList<Frame> aliveFrames = new ArrayList<Frame>();
591:
592:                    for (Iterator<WeakReference<Frame>> it = frames.iterator(); it
593:                            .hasNext();) {
594:                        WeakReference<?> ref = it.next();
595:                        Frame f = (Frame) ref.get();
596:                        if (f != null) {
597:                            aliveFrames.add(f);
598:                        }
599:                    }
600:
601:                    return aliveFrames.toArray(new Frame[0]);
602:                }
603:            }
604:        }
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