jdk/src/solaris/classes/sun/awt/X11/XSystemTrayPeer.java
author yan
Mon, 06 Oct 2008 16:45:00 +0400
changeset 1966 12a51fb0db0d
parent 439 3488710b02f8
child 3938 ef327bd847c0
permissions -rw-r--r--
5100701: Toolkit.getLockingKeyState() does not work on XToolkit, but works on Motif Summary: Does not work on Motif but works on XToolkit now; implemented using XQueryPointer. Reviewed-by: anthony
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/*
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 * Copyright 2005-2008 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Sun designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Sun in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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package sun.awt.X11;
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import java.awt.*;
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import java.awt.peer.SystemTrayPeer;
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import java.util.logging.Logger;
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import java.lang.reflect.Method;
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import java.lang.reflect.InvocationTargetException;
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import sun.awt.SunToolkit;
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import sun.awt.AppContext;
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public class XSystemTrayPeer implements SystemTrayPeer, XMSelectionListener {
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    private static final Logger log = Logger.getLogger("sun.awt.X11.XSystemTrayPeer");
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    SystemTray target;
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    static XSystemTrayPeer peerInstance; // there is only one SystemTray peer per application
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    private volatile boolean available;
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    private final XMSelection selection = new XMSelection("_NET_SYSTEM_TRAY");
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    private static final Method firePropertyChangeMethod =
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        XToolkit.getMethod(SystemTray.class, "firePropertyChange", new Class[] {String.class, Object.class, Object.class});
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    private static final Method addNotifyMethod = XToolkit.getMethod(TrayIcon.class, "addNotify", null);
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    private static final Method removeNotifyMethod = XToolkit.getMethod(TrayIcon.class, "removeNotify", null);
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    private static final int SCREEN = 0;
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    private static final String SYSTEM_TRAY_PROPERTY_NAME = "systemTray";
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    private static final XAtom _NET_SYSTEM_TRAY = XAtom.get("_NET_SYSTEM_TRAY_S" + SCREEN);
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    private static final XAtom _XEMBED_INFO = XAtom.get("_XEMBED_INFO");
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    private static final XAtom _NET_SYSTEM_TRAY_OPCODE = XAtom.get("_NET_SYSTEM_TRAY_OPCODE");
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    private static final XAtom _NET_WM_ICON = XAtom.get("_NET_WM_ICON");
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    private static final long SYSTEM_TRAY_REQUEST_DOCK = 0;
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    XSystemTrayPeer(SystemTray target) {
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        this.target = target;
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        peerInstance = this;
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        selection.addSelectionListener(this);
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        long selection_owner = selection.getOwner(SCREEN);
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        available = (selection_owner != XConstants.None);
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        log.fine(" check if system tray is available. selection owner: " + selection_owner);
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    }
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    public void ownerChanged(int screen, XMSelection sel, long newOwner, long data, long timestamp) {
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        if (screen != SCREEN) {
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            return;
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        }
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        if (!available) {
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            available = true;
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            firePropertyChange(SYSTEM_TRAY_PROPERTY_NAME, null, target);
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        } else {
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            removeTrayPeers();
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        }
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        createTrayPeers();
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    }
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    public void ownerDeath(int screen, XMSelection sel, long deadOwner) {
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        if (screen != SCREEN) {
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            return;
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        }
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        if (available) {
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            available = false;
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            firePropertyChange(SYSTEM_TRAY_PROPERTY_NAME, target, null);
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            removeTrayPeers();
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        }
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    }
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    public void selectionChanged(int screen, XMSelection sel, long owner, XPropertyEvent event) {
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    }
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    public Dimension getTrayIconSize() {
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        return new Dimension(XTrayIconPeer.TRAY_ICON_HEIGHT, XTrayIconPeer.TRAY_ICON_WIDTH);
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    }
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    boolean isAvailable() {
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        return available;
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    }
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    void dispose() {
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        selection.removeSelectionListener(this);
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    }
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    // ***********************************************************************
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    // ***********************************************************************
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    void addTrayIcon(XTrayIconPeer tiPeer) throws AWTException {
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        long selection_owner = selection.getOwner(SCREEN);
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        log.fine(" send SYSTEM_TRAY_REQUEST_DOCK message to owner: " + selection_owner);
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        if (selection_owner == XConstants.None) {
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            throw new AWTException("TrayIcon couldn't be displayed.");
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        }
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        long tray_window = tiPeer.getWindow();
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        long data[] = new long[] {XEmbedHelper.XEMBED_VERSION, XEmbedHelper.XEMBED_MAPPED};
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        long data_ptr = Native.card32ToData(data);
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        _XEMBED_INFO.setAtomData(tray_window, data_ptr, data.length);
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        sendMessage(selection_owner, SYSTEM_TRAY_REQUEST_DOCK, tray_window, 0, 0);
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    }
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    void sendMessage(long win, long msg, long data1, long data2, long data3) {
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        XClientMessageEvent xev = new XClientMessageEvent();
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        try {
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            xev.set_type(XConstants.ClientMessage);
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            xev.set_window(win);
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            xev.set_format(32);
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            xev.set_message_type(_NET_SYSTEM_TRAY_OPCODE.getAtom());
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            xev.set_data(0, 0);
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            xev.set_data(1, msg);
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            xev.set_data(2, data1);
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            xev.set_data(3, data2);
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            xev.set_data(4, data3);
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            XToolkit.awtLock();
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            try {
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                XlibWrapper.XSendEvent(XToolkit.getDisplay(), win, false,
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                                       XConstants.NoEventMask, xev.pData);
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            } finally {
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                XToolkit.awtUnlock();
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            }
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        } finally {
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            xev.dispose();
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        }
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    }
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    static XSystemTrayPeer getPeerInstance() {
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        return peerInstance;
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    }
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    private void firePropertyChange(final String propertyName, final Object oldValue, final Object newValue) {
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        Runnable runnable = new Runnable() {
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                public void run() {
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                    Object[] args = new Object[] {propertyName, oldValue, newValue};
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                    invokeMethod(firePropertyChangeMethod, target, args);
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                }
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            };
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        invokeOnEachAppContext(runnable);
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    }
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    private void createTrayPeers() {
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        invokeOnEachTrayIcon(addNotifyMethod);
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    }
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    private void removeTrayPeers() {
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        invokeOnEachTrayIcon(removeNotifyMethod);
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    }
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    private void invokeOnEachTrayIcon(final Method method) {
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        Runnable runnable = new Runnable() {
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                public void run() {
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                    TrayIcon[] icons = target.getTrayIcons();
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                    for (TrayIcon ti : icons) {
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                        invokeMethod(method, ti, (Object[]) null);
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                    }
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                }
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            };
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        invokeOnEachAppContext(runnable);
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    }
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    private void invokeMethod(Method method, Object obj, Object[] args) {
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        try{
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            method.invoke(obj, args);
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        } catch (InvocationTargetException e){
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            e.printStackTrace();
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        } catch (IllegalAccessException e) {
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            e.printStackTrace();
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        }
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    }
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    private void invokeOnEachAppContext(Runnable runnable) {
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        for (AppContext appContext : AppContext.getAppContexts()) {
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            SunToolkit.invokeLaterOnAppContext(appContext, runnable);
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        }
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    }
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parents:
diff changeset
   205
90ce3da70b43 Initial load
duke
parents:
diff changeset
   206
}