--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/unix/classes/sun/awt/X11/XTaskbarPeer.java	Thu Mar 24 02:22:01 2016 +0300
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package sun.awt.X11;
+
+import java.awt.MenuItem;
+import java.awt.PopupMenu;
+import java.awt.Taskbar.Feature;
+import java.awt.peer.TaskbarPeer;
+import java.awt.event.ActionEvent;
+import sun.misc.ManagedLocalsThread;
+import java.security.AccessController;
+import sun.security.action.GetPropertyAction;
+
+final class XTaskbarPeer implements TaskbarPeer {
+
+    private static boolean nativeLibraryLoaded = false;
+    private static boolean initExecuted = false;
+
+    private PopupMenu menu = null;
+
+    private static void initWithLock() {
+        XToolkit.awtLock();
+        try {
+            if (!initExecuted) {
+                String dname = AccessController.doPrivileged(
+                                new GetPropertyAction("java.desktop.appName", ""));
+                nativeLibraryLoaded = init(dname);
+                if (nativeLibraryLoaded) {
+                    ManagedLocalsThread t
+                            = new ManagedLocalsThread(() -> {
+                                runloop();
+                            });
+                    t.setDaemon(true);
+                    t.start();
+                }
+            }
+        } finally {
+            initExecuted = true;
+            XToolkit.awtUnlock();
+        }
+    }
+
+    XTaskbarPeer() {
+        initWithLock();
+    }
+
+    static boolean isTaskbarSupported() {
+        initWithLock();
+        return nativeLibraryLoaded;
+    }
+
+    @Override
+    public boolean isSupported(Feature feature) {
+        switch (feature) {
+            case ICON_BADGE_NUMBER:
+            case MENU:
+            case PROGRESS_VALUE:
+            case USER_ATTENTION:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    @Override
+    public void setProgressValue(int value) {
+        boolean visible
+                = value >= 0
+                && value <= 100;
+
+        double v = visible
+                ? (double) value / 100
+                : 0d;
+
+        updateProgress(v, visible);
+    }
+
+    @Override
+    public void setIconBadge(String badge) {
+        boolean visible = false;
+        long val = 0;
+        if (badge != null) {
+            try {
+                val = Long.parseLong(badge);
+                visible = true;
+            } catch (NumberFormatException e) {
+            }
+        }
+        setBadge(val, visible);
+    }
+
+    @Override
+    public PopupMenu getMenu() {
+        return menu;
+    }
+
+    @Override
+    public synchronized void setMenu(PopupMenu m) {
+        this.menu = m;
+
+        if (menu != null && menu.getItemCount() > 0) {
+            int msize = menu.getItemCount();
+            MenuItem[] items = new MenuItem[msize];
+            for (int i = 0; i < msize; i++) {
+                items[i] = menu.getItem(i);
+            }
+            setNativeMenu(items);
+        } else {
+            setNativeMenu(null);
+        }
+    }
+
+    @Override
+    public void requestUserAttention(boolean enabled, boolean critical) {
+        setUrgent(enabled);
+    }
+
+    private static void menuItemCallback(MenuItem mi) {
+        if (mi != null) {
+            ActionEvent ae = new ActionEvent(mi, ActionEvent.ACTION_PERFORMED,
+                    mi.getActionCommand());
+            try {
+                XToolkit.awtLock();
+                XToolkit.postEvent(XToolkit.targetToAppContext(ae.getSource()), ae);
+            } finally {
+                XToolkit.awtUnlock();
+            }
+        }
+    }
+
+    private static native boolean init(String name);
+
+    private static native void runloop();
+
+    private native void setBadge(long value, boolean visible);
+
+    private native void updateProgress(double value, boolean visible);
+
+    private native void setUrgent(boolean urgent);
+
+    private native void setNativeMenu(MenuItem[] items);
+}