package sun.awt.X11;
import java.awt.*;
import java.awt.peer.SystemTrayPeer;
public class XSystemTrayPeer implements SystemTrayPeer {
SystemTray target;
long tray_owner;
static XSystemTrayPeer peerInstance;
final static XAtom _NET_SYSTEM_TRAY = XAtom.get("_NET_SYSTEM_TRAY_S0");
final static XAtom _XEMBED_INFO = XAtom.get("_XEMBED_INFO");
final static XAtom _NET_SYSTEM_TRAY_OPCODE = XAtom.get("_NET_SYSTEM_TRAY_OPCODE");
final static XAtom _NET_WM_ICON = XAtom.get("_NET_WM_ICON");
final static long SYSTEM_TRAY_REQUEST_DOCK = 0;
XSystemTrayPeer(SystemTray target) {
this.target = target;
peerInstance = this;
XToolkit.awtLock();
try {
tray_owner = XlibWrapper.XGetSelectionOwner(XToolkit.getDisplay(), _NET_SYSTEM_TRAY.getAtom());
} finally {
XToolkit.awtUnlock();
}
}
public Dimension getTrayIconSize() {
return new Dimension(XTrayIconPeer.TRAY_ICON_HEIGHT, XTrayIconPeer.TRAY_ICON_WIDTH);
}
boolean isAvailable() {
boolean available = false;
XToolkit.awtLock();
try {
long selection_owner = XlibWrapper.XGetSelectionOwner(XToolkit.getDisplay(),
_NET_SYSTEM_TRAY.getAtom());
available = (selection_owner != XConstants.None);
} finally {
XToolkit.awtUnlock();
}
return available;
}
void addTrayIcon(XTrayIconPeer tiPeer) throws AWTException {
tray_owner = 0;
XToolkit.awtLock();
try {
tray_owner = XlibWrapper.XGetSelectionOwner(XToolkit.getDisplay(), _NET_SYSTEM_TRAY.getAtom());
} finally {
XToolkit.awtUnlock();
}
if (tray_owner == 0) {
throw new AWTException("TrayIcon couldn't be displayed.");
}
long tray_window = tiPeer.getWindow();
long data[] = new long[] {XEmbedHelper.XEMBED_VERSION, XEmbedHelper.XEMBED_MAPPED};
long data_ptr = Native.card32ToData(data);
_XEMBED_INFO.setAtomData(tray_window, data_ptr, data.length);
sendMessage(tray_owner, SYSTEM_TRAY_REQUEST_DOCK, tray_window, 0, 0);
}
void sendMessage(long win, long msg, long data1, long data2, long data3) {
XClientMessageEvent xev = new XClientMessageEvent();
try {
xev.set_type(XlibWrapper.ClientMessage);
xev.set_window(win);
xev.set_format(32);
xev.set_message_type(_NET_SYSTEM_TRAY_OPCODE.getAtom());
xev.set_data(0, 0);
xev.set_data(1, msg);
xev.set_data(2, data1);
xev.set_data(3, data2);
xev.set_data(4, data3);
XToolkit.awtLock();
try {
XlibWrapper.XSendEvent(XToolkit.getDisplay(), win, false,
XlibWrapper.NoEventMask, xev.pData);
} finally {
XToolkit.awtUnlock();
}
} finally {
xev.dispose();
}
}
static XSystemTrayPeer getPeerInstance() {
return peerInstance;
}
}