1 /*
2 * Copyright (c) 2009, 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.awt.X11;
27
28 import java.awt.*;
29 import java.awt.event.*;
30 import java.awt.peer.TrayIconPeer;
31 import sun.awt.*;
32 import java.awt.image.*;
33 import java.text.BreakIterator;
34 import java.util.concurrent.ArrayBlockingQueue;
35 import java.security.AccessController;
36 import java.security.PrivilegedAction;
37 import java.lang.reflect.InvocationTargetException;
38
39 /**
40 * An utility window class. This is a base class for Tooltip and Balloon.
41 */
42 @SuppressWarnings("serial") // JDK-implementation class
43 public abstract class InfoWindow extends Window {
44 private Container container;
45 private Closer closer;
46
47 protected InfoWindow(Frame parent, Color borderColor) {
48 super(parent);
49 setType(Window.Type.POPUP);
50 container = new Container() {
51 @Override
52 public Insets getInsets() {
53 return new Insets(1, 1, 1, 1);
54 }
55 };
56 setLayout(new BorderLayout());
57 setBackground(borderColor);
58 add(container, BorderLayout.CENTER);
59 container.setLayout(new BorderLayout());
60
61 closer = new Closer();
62 }
63
64 public Component add(Component c) {
65 container.add(c, BorderLayout.CENTER);
66 return c;
67 }
68
69 protected void setCloser(Runnable action, int time) {
70 closer.set(action, time);
71 }
72
73 // Must be executed on EDT.
74 protected void show(Point corner, int indent) {
75 assert SunToolkit.isDispatchThreadForAppContext(this);
76
77 pack();
78
79 Dimension size = getSize();
80 // TODO: When 6356322 is fixed we should get screen bounds in
81 // this way: eframe.getGraphicsConfiguration().getBounds().
82 Dimension scrSize = Toolkit.getDefaultToolkit().getScreenSize();
83
84 if (corner.x < scrSize.width/2 && corner.y < scrSize.height/2) { // 1st square
85 setLocation(corner.x + indent, corner.y + indent);
86
87 } else if (corner.x >= scrSize.width/2 && corner.y < scrSize.height/2) { // 2nd square
88 setLocation(corner.x - indent - size.width, corner.y + indent);
89
90 } else if (corner.x < scrSize.width/2 && corner.y >= scrSize.height/2) { // 3rd square
91 setLocation(corner.x + indent, corner.y - indent - size.height);
92
93 } else if (corner.x >= scrSize.width/2 && corner.y >= scrSize.height/2) { // 4th square
94 setLocation(corner.x - indent - size.width, corner.y - indent - size.height);
95 }
96
97 super.show();
98 closer.schedule();
99 }
100
101 public void hide() {
102 closer.close();
103 }
104
105 private class Closer implements Runnable {
106 Runnable action;
107 int time;
108
109 public void run() {
110 doClose();
111 }
112
113 void set(Runnable action, int time) {
114 this.action = action;
115 this.time = time;
116 }
117
118 void schedule() {
119 XToolkit.schedule(this, time);
120 }
121
122 void close() {
123 XToolkit.remove(this);
124 doClose();
125 }
126
127 // WARNING: this method may be executed on Toolkit thread.
128 private void doClose() {
129 SunToolkit.executeOnEventHandlerThread(InfoWindow.this, new Runnable() {
130 public void run() {
131 InfoWindow.super.hide();
132 invalidate();
133 if (action != null) {
134 action.run();
135 }
136 }
137 });
138 }
139 }
140
141
142 private interface LiveArguments {
143 /** Whether the target of the InfoWindow is disposed. */
144 boolean isDisposed();
145
146 /** The bounds of the target of the InfoWindow. */
147 Rectangle getBounds();
148 }
149
150 @SuppressWarnings("serial") // JDK-implementation class
151 public static class Tooltip extends InfoWindow {
152
153 public interface LiveArguments extends InfoWindow.LiveArguments {
154 /** The tooltip to be displayed. */
155 String getTooltipString();
156 }
157
158 private final Object target;
159 private final LiveArguments liveArguments;
160
161 private final Label textLabel = new Label("");
162 private final Runnable starter = new Runnable() {
163 public void run() {
164 display();
165 }};
166
167 private final static int TOOLTIP_SHOW_TIME = 10000;
168 private final static int TOOLTIP_START_DELAY_TIME = 1000;
169 private final static int TOOLTIP_MAX_LENGTH = 64;
170 private final static int TOOLTIP_MOUSE_CURSOR_INDENT = 5;
171 private final static Color TOOLTIP_BACKGROUND_COLOR = new Color(255, 255, 220);
172 private final static Font TOOLTIP_TEXT_FONT = XWindow.getDefaultFont();
173
174 public Tooltip(Frame parent, Object target,
175 LiveArguments liveArguments)
176 {
177 super(parent, Color.black);
178
179 this.target = target;
180 this.liveArguments = liveArguments;
181
182 XTrayIconPeer.suppressWarningString(this);
183
184 setCloser(null, TOOLTIP_SHOW_TIME);
185 textLabel.setBackground(TOOLTIP_BACKGROUND_COLOR);
186 textLabel.setFont(TOOLTIP_TEXT_FONT);
187 add(textLabel);
188 }
189
190 /*
191 * WARNING: this method is executed on Toolkit thread!
192 */
193 private void display() {
194 // Execute on EDT to avoid deadlock (see 6280857).
195 SunToolkit.executeOnEventHandlerThread(target, new Runnable() {
196 public void run() {
197 if (liveArguments.isDisposed()) {
198 return;
199 }
200
201 String tooltipString = liveArguments.getTooltipString();
202 if (tooltipString == null) {
203 return;
204 } else if (tooltipString.length() > TOOLTIP_MAX_LENGTH) {
205 textLabel.setText(tooltipString.substring(0, TOOLTIP_MAX_LENGTH));
206 } else {
207 textLabel.setText(tooltipString);
208 }
209
210 Point pointer = (Point)AccessController.doPrivileged(new PrivilegedAction() {
211 public Object run() {
212 if (!isPointerOverTrayIcon(liveArguments.getBounds())) {
213 return null;
214 }
215 return MouseInfo.getPointerInfo().getLocation();
216 }
217 });
218 if (pointer == null) {
219 return;
220 }
221 show(new Point(pointer.x, pointer.y), TOOLTIP_MOUSE_CURSOR_INDENT);
222 }
223 });
224 }
225
226 public void enter() {
227 XToolkit.schedule(starter, TOOLTIP_START_DELAY_TIME);
228 }
229
230 public void exit() {
231 XToolkit.remove(starter);
232 if (isVisible()) {
233 hide();
234 }
235 }
236
237 private boolean isPointerOverTrayIcon(Rectangle trayRect) {
238 Point p = MouseInfo.getPointerInfo().getLocation();
239 return !(p.x < trayRect.x || p.x > (trayRect.x + trayRect.width) ||
240 p.y < trayRect.y || p.y > (trayRect.y + trayRect.height));
241 }
242 }
243
244 @SuppressWarnings("serial") // JDK-implementation class
245 public static class Balloon extends InfoWindow {
246
247 public interface LiveArguments extends InfoWindow.LiveArguments {
248 /** The action to be performed upon clicking the baloon. */
249 String getActionCommand();
250 }
251
252 private final LiveArguments liveArguments;
253 private final Object target;
254
255 private final static int BALLOON_SHOW_TIME = 10000;
256 private final static int BALLOON_TEXT_MAX_LENGTH = 256;
257 private final static int BALLOON_WORD_LINE_MAX_LENGTH = 16;
258 private final static int BALLOON_WORD_LINE_MAX_COUNT = 4;
259 private final static int BALLOON_ICON_WIDTH = 32;
260 private final static int BALLOON_ICON_HEIGHT = 32;
261 private final static int BALLOON_TRAY_ICON_INDENT = 0;
262 private final static Color BALLOON_CAPTION_BACKGROUND_COLOR = new Color(200, 200 ,255);
263 private final static Font BALLOON_CAPTION_FONT = new Font(Font.DIALOG, Font.BOLD, 12);
264
265 private Panel mainPanel = new Panel();
266 private Panel captionPanel = new Panel();
267 private Label captionLabel = new Label("");
268 private Button closeButton = new Button("X");
269 private Panel textPanel = new Panel();
270 private XTrayIconPeer.IconCanvas iconCanvas = new XTrayIconPeer.IconCanvas(BALLOON_ICON_WIDTH, BALLOON_ICON_HEIGHT);
271 private Label[] lineLabels = new Label[BALLOON_WORD_LINE_MAX_COUNT];
272 private ActionPerformer ap = new ActionPerformer();
273
274 private Image iconImage;
275 private Image errorImage;
276 private Image warnImage;
277 private Image infoImage;
278 private boolean gtkImagesLoaded;
279
280 private Displayer displayer = new Displayer();
281
282 public Balloon(Frame parent, Object target, LiveArguments liveArguments) {
283 super(parent, new Color(90, 80 ,190));
284 this.liveArguments = liveArguments;
285 this.target = target;
286
287 XTrayIconPeer.suppressWarningString(this);
288
289 setCloser(new Runnable() {
290 public void run() {
291 if (textPanel != null) {
292 textPanel.removeAll();
293 textPanel.setSize(0, 0);
294 iconCanvas.setSize(0, 0);
295 XToolkit.awtLock();
296 try {
297 displayer.isDisplayed = false;
298 XToolkit.awtLockNotifyAll();
299 } finally {
300 XToolkit.awtUnlock();
301 }
302 }
303 }
304 }, BALLOON_SHOW_TIME);
305
306 add(mainPanel);
307
308 captionLabel.setFont(BALLOON_CAPTION_FONT);
309 captionLabel.addMouseListener(ap);
310
311 captionPanel.setLayout(new BorderLayout());
312 captionPanel.add(captionLabel, BorderLayout.WEST);
313 captionPanel.add(closeButton, BorderLayout.EAST);
314 captionPanel.setBackground(BALLOON_CAPTION_BACKGROUND_COLOR);
315 captionPanel.addMouseListener(ap);
316
317 closeButton.addActionListener(new ActionListener() {
318 public void actionPerformed(ActionEvent e) {
319 hide();
320 }
321 });
322
323 mainPanel.setLayout(new BorderLayout());
324 mainPanel.setBackground(Color.white);
325 mainPanel.add(captionPanel, BorderLayout.NORTH);
326 mainPanel.add(iconCanvas, BorderLayout.WEST);
327 mainPanel.add(textPanel, BorderLayout.CENTER);
328
329 iconCanvas.addMouseListener(ap);
330
331 for (int i = 0; i < BALLOON_WORD_LINE_MAX_COUNT; i++) {
332 lineLabels[i] = new Label();
333 lineLabels[i].addMouseListener(ap);
334 lineLabels[i].setBackground(Color.white);
335 }
336
337 displayer.start();
338 }
339
340 public void display(String caption, String text, String messageType) {
341 if (!gtkImagesLoaded) {
342 loadGtkImages();
343 }
344 displayer.display(caption, text, messageType);
345 }
346
347 private void _display(String caption, String text, String messageType) {
348 captionLabel.setText(caption);
349
350 BreakIterator iter = BreakIterator.getWordInstance();
351 if (text != null) {
352 iter.setText(text);
353 int start = iter.first(), end;
354 int nLines = 0;
355
356 do {
357 end = iter.next();
358
359 if (end == BreakIterator.DONE ||
360 text.substring(start, end).length() >= 50)
361 {
362 lineLabels[nLines].setText(text.substring(start, end == BreakIterator.DONE ?
363 iter.last() : end));
364 textPanel.add(lineLabels[nLines++]);
365 start = end;
366 }
367 if (nLines == BALLOON_WORD_LINE_MAX_COUNT) {
368 if (end != BreakIterator.DONE) {
369 lineLabels[nLines - 1].setText(
370 new String(lineLabels[nLines - 1].getText() + " ..."));
371 }
372 break;
373 }
374 } while (end != BreakIterator.DONE);
375
376
377 textPanel.setLayout(new GridLayout(nLines, 1));
378 }
379
380 if ("ERROR".equals(messageType)) {
381 iconImage = errorImage;
382 } else if ("WARNING".equals(messageType)) {
383 iconImage = warnImage;
384 } else if ("INFO".equals(messageType)) {
385 iconImage = infoImage;
386 } else {
387 iconImage = null;
388 }
389
390 if (iconImage != null) {
391 Dimension tpSize = textPanel.getSize();
392 iconCanvas.setSize(BALLOON_ICON_WIDTH, (BALLOON_ICON_HEIGHT > tpSize.height ?
393 BALLOON_ICON_HEIGHT : tpSize.height));
394 iconCanvas.validate();
395 }
396
397 SunToolkit.executeOnEventHandlerThread(target, new Runnable() {
398 public void run() {
399 if (liveArguments.isDisposed()) {
400 return;
401 }
402 Point parLoc = getParent().getLocationOnScreen();
403 Dimension parSize = getParent().getSize();
404 show(new Point(parLoc.x + parSize.width/2, parLoc.y + parSize.height/2),
405 BALLOON_TRAY_ICON_INDENT);
406 if (iconImage != null) {
407 iconCanvas.updateImage(iconImage); // call it after the show(..) above
408 }
409 }
410 });
411 }
412
413 public void dispose() {
414 displayer.interrupt();
415 super.dispose();
416 }
417
418 private void loadGtkImages() {
419 if (!gtkImagesLoaded) {
420 errorImage = (Image)Toolkit.getDefaultToolkit().getDesktopProperty(
421 "gtk.icon.gtk-dialog-error.6.rtl");
422 warnImage = (Image)Toolkit.getDefaultToolkit().getDesktopProperty(
423 "gtk.icon.gtk-dialog-warning.6.rtl");
424 infoImage = (Image)Toolkit.getDefaultToolkit().getDesktopProperty(
425 "gtk.icon.gtk-dialog-info.6.rtl");
426 gtkImagesLoaded = true;
427 }
428 }
429
430 private class ActionPerformer extends MouseAdapter {
431 public void mouseClicked(MouseEvent e) {
432 // hide the balloon by any click
433 hide();
434 if (e.getButton() == MouseEvent.BUTTON1) {
435 ActionEvent aev = new ActionEvent(target, ActionEvent.ACTION_PERFORMED,
436 liveArguments.getActionCommand(),
437 e.getWhen(), e.getModifiers());
438 XToolkit.postEvent(XToolkit.targetToAppContext(aev.getSource()), aev);
439 }
440 }
441 }
442
443 private class Displayer extends Thread {
444 final int MAX_CONCURRENT_MSGS = 10;
445
446 ArrayBlockingQueue<Message> messageQueue = new ArrayBlockingQueue<Message>(MAX_CONCURRENT_MSGS);
447 boolean isDisplayed;
448
449 Displayer() {
450 setDaemon(true);
451 }
452
453 public void run() {
454 while (true) {
455 Message msg = null;
456 try {
457 msg = messageQueue.take();
458 } catch (InterruptedException e) {
459 return;
460 }
461
462 /*
463 * Wait till the previous message is displayed if any
464 */
465 XToolkit.awtLock();
466 try {
467 while (isDisplayed) {
468 try {
469 XToolkit.awtLockWait();
470 } catch (InterruptedException e) {
471 return;
472 }
473 }
474 isDisplayed = true;
475 } finally {
476 XToolkit.awtUnlock();
477 }
478 _display(msg.caption, msg.text, msg.messageType);
479 }
480 }
481
482 void display(String caption, String text, String messageType) {
483 messageQueue.offer(new Message(caption, text, messageType));
484 }
485 }
486
487 private static class Message {
488 String caption, text, messageType;
489
490 Message(String caption, String text, String messageType) {
491 this.caption = caption;
492 this.text = text;
493 this.messageType = messageType;
494 }
495 }
496 }
497 }
498