1 /* 2 * Copyright (c) 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 package sun.awt.X11; 26 27 import java.awt.MenuItem; 28 import java.awt.PopupMenu; 29 import java.awt.Taskbar.Feature; 30 import java.awt.peer.TaskbarPeer; 31 import java.awt.event.ActionEvent; 32 import sun.misc.ManagedLocalsThread; 33 import java.security.AccessController; 34 import sun.security.action.GetPropertyAction; 35 36 final class XTaskbarPeer implements TaskbarPeer { 37 38 private static boolean nativeLibraryLoaded = false; 39 private static boolean initExecuted = false; 40 41 private PopupMenu menu = null; 42 43 private static void initWithLock() { 44 XToolkit.awtLock(); 45 try { 46 if (!initExecuted) { 47 String dname = AccessController.doPrivileged( 48 new GetPropertyAction("java.desktop.appName", "")); 49 nativeLibraryLoaded = init(dname); 50 if (nativeLibraryLoaded) { 51 ManagedLocalsThread t 52 = new ManagedLocalsThread(() -> { 53 runloop(); 54 }); 55 t.setDaemon(true); 56 t.start(); 57 } 58 } 59 } finally { 60 initExecuted = true; 61 XToolkit.awtUnlock(); 62 } 63 } 64 65 XTaskbarPeer() { 66 initWithLock(); 67 } 68 69 static boolean isTaskbarSupported() { 70 initWithLock(); 71 return nativeLibraryLoaded; 72 } 73 74 @Override 75 public boolean isSupported(Feature feature) { 76 switch (feature) { 77 case ICON_BADGE_NUMBER: 78 case MENU: 79 case PROGRESS_VALUE: 80 case USER_ATTENTION: 81 return true; 82 default: 83 return false; 84 } 85 } 86 87 @Override 88 public void setProgressValue(int value) { 89 boolean visible 90 = value >= 0 91 && value <= 100; 92 93 double v = visible 94 ? (double) value / 100 95 : 0d; 96 97 updateProgress(v, visible); 98 } 99 100 @Override 101 public void setIconBadge(String badge) { 102 boolean visible = false; 103 long val = 0; 104 if (badge != null) { 105 try { 106 val = Long.parseLong(badge); 107 visible = true; 108 } catch (NumberFormatException e) { 109 } 110 } 111 setBadge(val, visible); 112 } 113 114 @Override 115 public PopupMenu getMenu() { 116 return menu; 117 } 118 119 @Override 120 public synchronized void setMenu(PopupMenu m) { 121 this.menu = m; 122 123 if (menu != null && menu.getItemCount() > 0) { 124 int msize = menu.getItemCount(); 125 MenuItem[] items = new MenuItem[msize]; 126 for (int i = 0; i < msize; i++) { 127 items[i] = menu.getItem(i); 128 } 129 setNativeMenu(items); 130 } else { 131 setNativeMenu(null); 132 } 133 } 134 135 @Override 136 public void requestUserAttention(boolean enabled, boolean critical) { 137 setUrgent(enabled); 138 } 139 140 private static void menuItemCallback(MenuItem mi) { 141 if (mi != null) { 142 ActionEvent ae = new ActionEvent(mi, ActionEvent.ACTION_PERFORMED, 143 mi.getActionCommand()); 144 try { 145 XToolkit.awtLock(); 146 XToolkit.postEvent(XToolkit.targetToAppContext(ae.getSource()), ae); 147 } finally { 148 XToolkit.awtUnlock(); 149 } 150 } 151 } 152 153 private static native boolean init(String name); 154 155 private static native void runloop(); 156 157 private native void setBadge(long value, boolean visible); 158 159 private native void updateProgress(double value, boolean visible); 160 161 private native void setUrgent(boolean urgent); 162 163 private native void setNativeMenu(MenuItem[] items); 164 }