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.GraphicsEnvironment;
32 import java.awt.PopupMenu;
33 import java.awt.Point;
34 import java.awt.TrayIcon;
35 import java.awt.Image;
36 import java.awt.geom.AffineTransform;
37 import java.awt.peer.TrayIconPeer;
38 import java.awt.image.*;
39
40 import sun.awt.AWTAccessor;
41 import sun.awt.SunToolkit;
42 import sun.awt.image.IntegerComponentRaster;
43 import sun.java2d.pipe.Region;
44
45 final class WTrayIconPeer extends WObjectPeer implements TrayIconPeer {
46 static final int TRAY_ICON_WIDTH = 16;
47 static final int TRAY_ICON_HEIGHT = 16;
48 static final int TRAY_ICON_MASK_SIZE = (TRAY_ICON_WIDTH * TRAY_ICON_HEIGHT) / 8;
49
50 IconObserver observer = new IconObserver();
51 boolean firstUpdate = true;
52 Frame popupParent = new Frame("PopupMessageWindow");
53 PopupMenu popup;
54
55 @Override
56 protected void disposeImpl() {
57 if (popupParent != null) {
58 popupParent.dispose();
59 }
60 popupParent.dispose();
61 _dispose();
62 WToolkit.targetDisposedPeer(target, this);
63 }
64
65 WTrayIconPeer(TrayIcon target) {
66 this.target = target;
67 popupParent.addNotify();
68 create();
69 updateImage();
70 }
71
72 @Override
73 public void updateImage() {
74 Image image = ((TrayIcon)target).getImage();
75 if (image != null) {
76 updateNativeImage(image);
77 }
78 }
79
80 @Override
81 public native void setToolTip(String tooltip);
82
83 @Override
84 public synchronized void showPopupMenu(final int x, final int y) {
85 if (isDisposed())
86 return;
87
88 SunToolkit.executeOnEventHandlerThread(target, () -> {
89 PopupMenu newPopup = ((TrayIcon)target).getPopupMenu();
90 if (popup != newPopup) {
91 if (popup != null) {
92 popupParent.remove(popup);
93 }
94 if (newPopup != null) {
95 popupParent.add(newPopup);
96 }
97 popup = newPopup;
98 }
99 if (popup != null) {
100 WPopupMenuPeer peer = AWTAccessor.getMenuComponentAccessor()
101 .getPeer(popup);
102 peer.show(popupParent, new Point(x, y));
103 }
104 });
105 }
106
107 @Override
108 public void displayMessage(String caption, String text, String messageType) {
109 // The situation when both caption and text are null is processed in the shared code.
110 if (caption == null) {
111 caption = "";
112 }
113 if (text == null) {
114 text = "";
115 }
116 _displayMessage(caption, text, messageType);
117 }
118
119
120 // ***********************************************
121 // ***********************************************
122
123
124 synchronized void updateNativeImage(Image image) {
125 if (isDisposed())
126 return;
127
128 boolean autosize = ((TrayIcon)target).isImageAutoSize();
129 AffineTransform tx = GraphicsEnvironment.getLocalGraphicsEnvironment().
130 getDefaultScreenDevice().getDefaultConfiguration().
131 getDefaultTransform();
132 int w = Region.clipScale(TRAY_ICON_WIDTH, tx.getScaleX());
133 int h = Region.clipScale(TRAY_ICON_HEIGHT, tx.getScaleY());
134 int imgWidth = Region.clipScale(image.getWidth(observer), tx.getScaleX());
135 int imgHeight = Region.clipScale(image.getHeight(observer), tx.getScaleY());
136 BufferedImage bufImage = new BufferedImage(w,
137 h, BufferedImage.TYPE_INT_ARGB);
138 Graphics2D gr = bufImage.createGraphics();
139 if (gr != null) {
140 try {
141 gr.setPaintMode();
142
143 gr.drawImage(image, 0, 0, (autosize ? w : imgWidth),
144 (autosize ? h : imgHeight), observer);
145
146 createNativeImage(bufImage);
147
148 updateNativeIcon(!firstUpdate);
149 if (firstUpdate) firstUpdate = false;
150
151 } finally {
152 gr.dispose();
153 }
154 }
155 }
156
157 void createNativeImage(BufferedImage bimage) {
158 Raster raster = bimage.getRaster();
159 byte[] andMask = new byte[TRAY_ICON_MASK_SIZE];
160 int pixels[] = ((DataBufferInt)raster.getDataBuffer()).getData();
161 int npixels = pixels.length;
162 int ficW = raster.getWidth();
163
164 for (int i = 0; i < npixels; i++) {
165 int ibyte = i / 8;
166 int omask = 1 << (7 - (i % 8));
167
168 if ((pixels[i] & 0xff000000) == 0) {
169 // Transparent bit
170 if (ibyte < andMask.length) {
171 andMask[ibyte] |= omask;
172 }
173 }
174 }
175
176 if (raster instanceof IntegerComponentRaster) {
177 ficW = ((IntegerComponentRaster)raster).getScanlineStride();
178 }
179 setNativeIcon(((DataBufferInt)bimage.getRaster().getDataBuffer()).getData(),
180 andMask, ficW, raster.getWidth(), raster.getHeight());
181 }
182
183 void postEvent(AWTEvent event) {
184 WToolkit.postEvent(WToolkit.targetToAppContext(target), event);
185 }
186
187 native void create();
188 synchronized native void _dispose();
189
190 /*
191 * Updates/adds the icon in/to the system tray.
192 * @param doUpdate if {@code true}, updates the icon,
193 * otherwise, adds the icon
194 */
195 native void updateNativeIcon(boolean doUpdate);
196
197 native void setNativeIcon(int[] rData, byte[] andMask, int nScanStride,
198 int width, int height);
199
200 native void _displayMessage(String caption, String text, String messageType);
201
202 class IconObserver implements ImageObserver {
203 @Override
204 public boolean imageUpdate(Image image, int flags, int x, int y, int width, int height) {
205 if (image != ((TrayIcon)target).getImage() || // if the image has been changed
206 isDisposed())
207 {
208 return false;
209 }
210 if ((flags & (ImageObserver.FRAMEBITS | ImageObserver.ALLBITS |
211 ImageObserver.WIDTH | ImageObserver.HEIGHT)) != 0)
212 {
213 updateNativeImage(image);
214 }
215 return (flags & ImageObserver.ALLBITS) == 0;
216 }
217 }
218 }