1 /*
2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.awt.windows;
27
28 import java.awt.Graphics2D;
29 import java.awt.AWTEvent;
30 import java.awt.Frame;
31 import java.awt.GraphicsConfiguration;
32 import java.awt.GraphicsDevice;
33 import java.awt.GraphicsEnvironment;
34 import java.awt.PopupMenu;
35 import java.awt.Point;
36 import java.awt.TrayIcon;
37 import java.awt.Image;
38 import java.awt.Insets;
39 import java.awt.Toolkit;
40 import java.awt.geom.AffineTransform;
41 import java.awt.peer.TrayIconPeer;
42 import java.awt.image.*;
43
44 import sun.awt.AWTAccessor;
45 import sun.awt.SunToolkit;
46 import sun.awt.image.IntegerComponentRaster;
47
48 final class WTrayIconPeer extends WObjectPeer implements TrayIconPeer {
49 static final int TRAY_ICON_WIDTH = 16;
50 static final int TRAY_ICON_HEIGHT = 16;
51 static final int TRAY_ICON_MASK_SIZE = (TRAY_ICON_WIDTH * TRAY_ICON_HEIGHT) / 8;
52
53 IconObserver observer = new IconObserver();
54 boolean firstUpdate = true;
55 Frame popupParent = new Frame("PopupMessageWindow");
56 PopupMenu popup;
57
58 @Override
59 protected void disposeImpl() {
60 if (popupParent != null) {
61 popupParent.dispose();
62 }
63 popupParent.dispose();
64 _dispose();
65 WToolkit.targetDisposedPeer(target, this);
66 }
67
68 WTrayIconPeer(TrayIcon target) {
69 this.target = target;
70 popupParent.addNotify();
71 create();
72 updateImage();
73 }
74
75 @Override
76 public void updateImage() {
77 Image image = ((TrayIcon)target).getImage();
78 if (image != null) {
79 updateNativeImage(image);
80 }
81 }
82
83 @Override
84 public native void setToolTip(String tooltip);
85
86 @Override
87 public synchronized void showPopupMenu(final int x, final int y) {
88 if (isDisposed())
89 return;
90
91 SunToolkit.executeOnEventHandlerThread(target, () -> {
92 PopupMenu newPopup = ((TrayIcon)target).getPopupMenu();
93 if (popup != newPopup) {
94 if (popup != null) {
95 popupParent.remove(popup);
96 }
97 if (newPopup != null) {
98 popupParent.add(newPopup);
99 }
100 popup = newPopup;
101 }
102 if (popup != null) {
103 WPopupMenuPeer peer = AWTAccessor.getMenuComponentAccessor()
104 .getPeer(popup);
105 peer.show(popupParent, new Point(x, y));
106 }
107 });
108 }
109
110 @Override
111 public void displayMessage(String caption, String text, String messageType) {
112 // The situation when both caption and text are null is processed in the shared code.
113 if (caption == null) {
114 caption = "";
115 }
116 if (text == null) {
117 text = "";
118 }
119 _displayMessage(caption, text, messageType);
120 }
121
122
123 // ***********************************************
124 // ***********************************************
125
126
127 synchronized void updateNativeImage(Image image) {
128 if (isDisposed())
129 return;
130
131 boolean autosize = ((TrayIcon)target).isImageAutoSize();
132
133 BufferedImage bufImage = new BufferedImage(TRAY_ICON_WIDTH, TRAY_ICON_HEIGHT,
134 BufferedImage.TYPE_INT_ARGB);
135 Graphics2D gr = bufImage.createGraphics();
136 if (gr != null) {
137 try {
138 gr.setPaintMode();
139 GraphicsEnvironment ge = GraphicsEnvironment.
140 getLocalGraphicsEnvironment();
141 Toolkit toolkit = Toolkit.getDefaultToolkit();
142 GraphicsDevice[] gds = ge.getScreenDevices();
143 GraphicsDevice device = ge.getDefaultScreenDevice();
144 Insets in = new Insets(0, 0, 0, 0);
145 for (GraphicsDevice gd : gds) {
146 GraphicsConfiguration gc = gd.getDefaultConfiguration();
147 Insets insets = toolkit.getScreenInsets(gc);
148 if (insets.bottom > in.bottom
149 || insets.top > in.top
150 || insets.left > in.left
151 || insets.right > in.right) {
152 in = insets;
153 device = gd;
154 }
155 }
156 AffineTransform tx = device.getDefaultConfiguration().
157 getDefaultTransform();
158 gr.setTransform(tx);
159 gr.drawImage(image, 0, 0, (autosize ? TRAY_ICON_WIDTH : image.getWidth(observer)),
160 (autosize ? TRAY_ICON_HEIGHT : image.getHeight(observer)), observer);
161
162 createNativeImage(bufImage);
163
164 updateNativeIcon(!firstUpdate);
165 if (firstUpdate) firstUpdate = false;
166
167 } finally {
168 gr.dispose();
169 }
170 }
171 }
172
173 void createNativeImage(BufferedImage bimage) {
174 Raster raster = bimage.getRaster();
175 byte[] andMask = new byte[TRAY_ICON_MASK_SIZE];
176 int pixels[] = ((DataBufferInt)raster.getDataBuffer()).getData();
177 int npixels = pixels.length;
178 int ficW = raster.getWidth();
179
180 for (int i = 0; i < npixels; i++) {
181 int ibyte = i / 8;
182 int omask = 1 << (7 - (i % 8));
183
184 if ((pixels[i] & 0xff000000) == 0) {
185 // Transparent bit
186 if (ibyte < andMask.length) {
187 andMask[ibyte] |= omask;
188 }
189 }
190 }
191
192 if (raster instanceof IntegerComponentRaster) {
193 ficW = ((IntegerComponentRaster)raster).getScanlineStride();
194 }
195 setNativeIcon(((DataBufferInt)bimage.getRaster().getDataBuffer()).getData(),
196 andMask, ficW, raster.getWidth(), raster.getHeight());
197 }
198
199 void postEvent(AWTEvent event) {
200 WToolkit.postEvent(WToolkit.targetToAppContext(target), event);
201 }
202
203 native void create();
204 synchronized native void _dispose();
205
206 /*
207 * Updates/adds the icon in/to the system tray.
208 * @param doUpdate if {@code true}, updates the icon,
209 * otherwise, adds the icon
210 */
211 native void updateNativeIcon(boolean doUpdate);
212
213 native void setNativeIcon(int[] rData, byte[] andMask, int nScanStride,
214 int width, int height);
215
216 native void _displayMessage(String caption, String text, String messageType);
217
218 class IconObserver implements ImageObserver {
219 @Override
220 public boolean imageUpdate(Image image, int flags, int x, int y, int width, int height) {
221 if (image != ((TrayIcon)target).getImage() || // if the image has been changed
222 isDisposed())
223 {
224 return false;
225 }
226 if ((flags & (ImageObserver.FRAMEBITS | ImageObserver.ALLBITS |
227 ImageObserver.WIDTH | ImageObserver.HEIGHT)) != 0)
228 {
229 updateNativeImage(image);
230 }
231 return (flags & ImageObserver.ALLBITS) == 0;
232 }
233 }
234 }