boolean processXEmbedInfo() {
long xembed_info_data = Native.allocateLongArray(2);
try {
if (!XEmbedInfo.getAtomData(handle, xembed_info_data, 2)) {
// No more XEMBED_INFO? This is not XEmbed client!
// Unfortunately this is the initial state of the most clients
// FIXME: add 5-state processing
// childDestroyed();
xembedLog.finer("Unable to get XEMBED_INFO atom data");
return false;
}
version = Native.getCard32(xembed_info_data, 0);
flags = Native.getCard32(xembed_info_data, 1);
boolean new_mapped = (flags & XEMBED_MAPPED) != 0;
boolean currently_mapped = XlibUtil.getWindowMapState(handle) != XConstants.IsUnmapped;
if (new_mapped != currently_mapped) {
if (xembedLog.isLoggable(PlatformLogger.FINER))
xembedLog.fine(
"Mapping state of the client has changed, old state: "
+ currently_mapped
+ ", new state: "
+ new_mapped);
if (new_mapped) {
XToolkit.awtLock();
try {
XlibWrapper.XMapWindow(XToolkit.getDisplay(), handle);
} finally {
XToolkit.awtUnlock();
}
} else {
XToolkit.awtLock();
try {
XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), handle);
} finally {
XToolkit.awtUnlock();
}
}
} else {
xembedLog.finer("Mapping state didn't change, mapped: " + currently_mapped);
}
return true;
} finally {
XlibWrapper.unsafe.freeMemory(xembed_info_data);
}
}
public void handlePropertyNotify(XEvent xev) {
if (isXEmbedActive()) {
XPropertyEvent ev = xev.get_xproperty();
if (xembedLog.isLoggable(PlatformLogger.FINER))
xembedLog.finer("Property change on client: " + ev);
if (ev.get_atom() == XAtom.XA_WM_NORMAL_HINTS) {
childResized();
} else if (ev.get_atom() == XEmbedInfo.getAtom()) {
processXEmbedInfo();
} else if (ev.get_atom() == XDnDConstants.XA_XdndAware.getAtom()) {
XDropTargetRegistry.getRegistry().unregisterXEmbedClient(getWindow(), xembed.handle);
if (ev.get_state() == XConstants.PropertyNewValue) {
XDropTargetRegistry.getRegistry().registerXEmbedClient(getWindow(), xembed.handle);
}
}
} else {
xembedLog.finer("XEmbed is not active");
}
}