1 /*
2 * Copyright (c) 2011, 2017, 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.AWTEvent;
29 import java.awt.Button;
30 import java.awt.Frame;
31 import java.awt.Graphics2D;
32 import java.awt.GraphicsConfiguration;
33 import java.awt.GraphicsDevice;
34 import java.awt.GraphicsEnvironment;
35 import java.awt.Image;
36 import java.awt.MediaTracker;
37 import java.awt.PopupMenu;
38 import java.awt.RenderingHints;
39 import java.awt.Toolkit;
40 import java.awt.Transparency;
41 import java.awt.TrayIcon;
42 import java.awt.event.ActionEvent;
43 import java.awt.event.MouseEvent;
44 import java.awt.geom.Point2D;
45 import java.awt.image.BufferedImage;
46 import java.awt.image.ImageObserver;
47 import java.awt.peer.TrayIconPeer;
48
49 import javax.swing.Icon;
50 import javax.swing.UIManager;
51
52 import sun.awt.SunToolkit;
53
54 import static sun.awt.AWTAccessor.MenuComponentAccessor;
55 import static sun.awt.AWTAccessor.getMenuComponentAccessor;
56
57 public class CTrayIcon extends CFRetainedResource implements TrayIconPeer {
58 private TrayIcon target;
59 private PopupMenu popup;
60
61 // In order to construct MouseEvent object, we need to specify a
62 // Component target. Because TrayIcon isn't Component's subclass,
63 // we use this dummy frame instead
64 private final Frame dummyFrame;
65 IconObserver observer = new IconObserver();
66
67 // A bitmask that indicates what mouse buttons produce MOUSE_CLICKED events
68 // on MOUSE_RELEASE. Click events are only generated if there were no drag
69 // events between MOUSE_PRESSED and MOUSE_RELEASED for particular button
70 private static int mouseClickButtons = 0;
71
72 CTrayIcon(TrayIcon target) {
73 super(0, true);
74
75 this.target = target;
76 this.popup = target.getPopupMenu();
77 this.dummyFrame = new Frame();
78 setPtr(createModel());
79
80 //if no one else is creating the peer.
81 checkAndCreatePopupPeer();
82 updateImage();
83 }
84
85 private CPopupMenu checkAndCreatePopupPeer() {
86 CPopupMenu menuPeer = null;
87 if (popup != null) {
88 try {
89 final MenuComponentAccessor acc = getMenuComponentAccessor();
90 menuPeer = acc.getPeer(popup);
91 if (menuPeer == null) {
92 popup.addNotify();
93 menuPeer = acc.getPeer(popup);
94 }
95 } catch (Exception e) {
96 e.printStackTrace();
97 }
98 }
99 return menuPeer;
100 }
101
102 private long createModel() {
103 return nativeCreate();
104 }
105
106 private native long nativeCreate();
107
108 //invocation from the AWTTrayIcon.m
109 public long getPopupMenuModel() {
110 PopupMenu newPopup = target.getPopupMenu();
111
112 if (popup == newPopup) {
113 if (popup == null) {
114 return 0L;
115 }
116 } else {
117 if (newPopup != null) {
118 if (popup != null) {
119 popup.removeNotify();
120 popup = newPopup;
121 } else {
122 popup = newPopup;
123 }
124 } else {
125 return 0L;
126 }
127 }
128
129 // This method is executed on Appkit, so if ptr is not zero means that,
130 // it is still not deallocated(even if we call NSApp postRunnableEvent)
131 // and sent CFRelease to the native queue
132 return checkAndCreatePopupPeer().ptr;
133 }
134
135 /**
136 * We display tray icon message as a small dialog with OK button.
137 * This is lame, but JDK 1.6 does basically the same. There is a new
138 * kind of window in Lion, NSPopover, so perhaps it could be used it
139 * to implement better looking notifications.
140 */
141 public void displayMessage(final String caption, final String text,
142 final String messageType) {
143 // obtain icon to show along the message
144 Icon icon = getIconForMessageType(messageType);
145 CImage cimage = null;
146 if (icon != null) {
147 BufferedImage image = scaleIcon(icon, 0.75);
148 cimage = CImage.getCreator().createFromImage(image, null);
149 }
150 if (cimage != null) {
151 cimage.execute(imagePtr -> {
152 execute(ptr -> nativeShowNotification(ptr, caption, text,
153 imagePtr));
154 });
155 } else {
156 execute(ptr -> nativeShowNotification(ptr, caption, text, 0));
157 }
158 }
159
160 @Override
161 public void dispose() {
162 dummyFrame.dispose();
163
164 if (popup != null) {
165 popup.removeNotify();
166 }
167
168 LWCToolkit.targetDisposedPeer(target, this);
169 target = null;
170
171 super.dispose();
172 }
173
174 @Override
175 public void setToolTip(String tooltip) {
176 execute(ptr -> nativeSetToolTip(ptr, tooltip));
177 }
178
179 //adds tooltip to the NSStatusBar's NSButton.
180 private native void nativeSetToolTip(long trayIconModel, String tooltip);
181
182 @Override
183 public void showPopupMenu(int x, int y) {
184 //Not used. The popupmenu is shown from the native code.
185 }
186
187 @Override
188 public void updateImage() {
189
190 Image image = target.getImage();
191 if (image != null) {
192 updateNativeImage(image);
193 }
194 }
195
196 void updateNativeImage(Image image) {
197 MediaTracker tracker = new MediaTracker(new Button(""));
198 tracker.addImage(image, 0);
199 try {
200 tracker.waitForAll();
201 } catch (InterruptedException ignore) { }
202
203 if (image.getWidth(null) <= 0 ||
204 image.getHeight(null) <= 0)
205 {
206 return;
207 }
208
209 CImage cimage = CImage.getCreator().createFromImage(image, observer);
210 boolean imageAutoSize = target.isImageAutoSize();
211 cimage.execute(imagePtr -> {
212 execute(ptr -> {
213 setNativeImage(ptr, imagePtr, imageAutoSize);
214 });
215 });
216 }
217
218 private native void setNativeImage(final long model, final long nsimage, final boolean autosize);
219
220 private void postEvent(final AWTEvent event) {
221 SunToolkit.executeOnEventHandlerThread(target, new Runnable() {
222 public void run() {
223 SunToolkit.postEvent(SunToolkit.targetToAppContext(target), event);
224 }
225 });
226 }
227
228 //invocation from the AWTTrayIcon.m
229 private void handleMouseEvent(NSEvent nsEvent) {
230 int buttonNumber = nsEvent.getButtonNumber();
231 final SunToolkit tk = (SunToolkit)Toolkit.getDefaultToolkit();
232 if ((buttonNumber > 2 && !tk.areExtraMouseButtonsEnabled())
233 || buttonNumber > tk.getNumberOfButtons() - 1) {
234 return;
235 }
236
237 int jeventType = NSEvent.nsToJavaEventType(nsEvent.getType());
238
239 int jbuttonNumber = MouseEvent.NOBUTTON;
240 int jclickCount = 0;
241 if (jeventType != MouseEvent.MOUSE_MOVED) {
242 jbuttonNumber = NSEvent.nsToJavaButton(buttonNumber);
243 jclickCount = nsEvent.getClickCount();
244 }
245
246 int jmodifiers = NSEvent.nsToJavaModifiers(
247 nsEvent.getModifierFlags());
248 boolean isPopupTrigger = NSEvent.isPopupTrigger(jmodifiers);
249
250 int eventButtonMask = (jbuttonNumber > 0)?
251 MouseEvent.getMaskForButton(jbuttonNumber) : 0;
252 long when = System.currentTimeMillis();
253
254 if (jeventType == MouseEvent.MOUSE_PRESSED) {
255 mouseClickButtons |= eventButtonMask;
256 } else if (jeventType == MouseEvent.MOUSE_DRAGGED) {
257 mouseClickButtons = 0;
258 }
259
260 // The MouseEvent's coordinates are relative to screen
261 int absX = nsEvent.getAbsX();
262 int absY = nsEvent.getAbsY();
263
264 MouseEvent mouseEvent = new MouseEvent(dummyFrame, jeventType, when,
265 jmodifiers, absX, absY, absX, absY, jclickCount, isPopupTrigger,
266 jbuttonNumber);
267 mouseEvent.setSource(target);
268 postEvent(mouseEvent);
269
270 // fire ACTION event
271 if (jeventType == MouseEvent.MOUSE_PRESSED && isPopupTrigger) {
272 final String cmd = target.getActionCommand();
273 final ActionEvent event = new ActionEvent(target,
274 ActionEvent.ACTION_PERFORMED, cmd);
275 postEvent(event);
276 }
277
278 // synthesize CLICKED event
279 if (jeventType == MouseEvent.MOUSE_RELEASED) {
280 if ((mouseClickButtons & eventButtonMask) != 0) {
281 MouseEvent clickEvent = new MouseEvent(dummyFrame,
282 MouseEvent.MOUSE_CLICKED, when, jmodifiers, absX, absY,
283 absX, absY, jclickCount, isPopupTrigger, jbuttonNumber);
284 clickEvent.setSource(target);
285 postEvent(clickEvent);
286 }
287
288 mouseClickButtons &= ~eventButtonMask;
289 }
290 }
291
292 private native void nativeShowNotification(long trayIconModel,
293 String caption, String text,
294 long nsimage);
295
296 /**
297 * Used by the automated tests.
298 */
299 private native Point2D nativeGetIconLocation(long trayIconModel);
300
301 /**
302 * Scales an icon using specified scale factor
303 *
304 * @param icon icon to scale
305 * @param scaleFactor scale factor to use
306 * @return scaled icon as BuffedredImage
307 */
308 private static BufferedImage scaleIcon(Icon icon, double scaleFactor) {
309 if (icon == null) {
310 return null;
311 }
312
313 int w = icon.getIconWidth();
314 int h = icon.getIconHeight();
315
316 GraphicsEnvironment ge =
317 GraphicsEnvironment.getLocalGraphicsEnvironment();
318 GraphicsDevice gd = ge.getDefaultScreenDevice();
319 GraphicsConfiguration gc = gd.getDefaultConfiguration();
320
321 // convert icon into image
322 BufferedImage iconImage = gc.createCompatibleImage(w, h,
323 Transparency.TRANSLUCENT);
324 Graphics2D g = iconImage.createGraphics();
325 icon.paintIcon(null, g, 0, 0);
326 g.dispose();
327
328 // and scale it nicely
329 int scaledW = (int) (w * scaleFactor);
330 int scaledH = (int) (h * scaleFactor);
331 BufferedImage scaledImage = gc.createCompatibleImage(scaledW, scaledH,
332 Transparency.TRANSLUCENT);
333 g = scaledImage.createGraphics();
334 g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
335 RenderingHints.VALUE_INTERPOLATION_BILINEAR);
336 g.drawImage(iconImage, 0, 0, scaledW, scaledH, null);
337 g.dispose();
338
339 return scaledImage;
340 }
341
342
343 /**
344 * Gets Aqua icon used in message dialog.
345 */
346 private static Icon getIconForMessageType(String messageType) {
347 if (messageType.equals("ERROR")) {
348 return UIManager.getIcon("OptionPane.errorIcon");
349 } else if (messageType.equals("WARNING")) {
350 return UIManager.getIcon("OptionPane.warningIcon");
351 } else {
352 // this is just an application icon
353 return UIManager.getIcon("OptionPane.informationIcon");
354 }
355 }
356
357 class IconObserver implements ImageObserver {
358 @Override
359 public boolean imageUpdate(Image image, int flags, int x, int y, int width, int height) {
360 if (image != target.getImage()) // if the image has been changed
361 {
362 return false;
363 }
364 if ((flags & (ImageObserver.FRAMEBITS | ImageObserver.ALLBITS |
365 ImageObserver.WIDTH | ImageObserver.HEIGHT)) != 0)
366 {
367 SunToolkit.executeOnEventHandlerThread(target, new Runnable() {
368 public void run() {
369 updateNativeImage(image);
370 }
371 });
372 }
373 return (flags & ImageObserver.ALLBITS) == 0;
374 }
375 }
376 }
377