/**
* Called to process events. Mouse events will be rewritten to indicate the position in the
* document clicked, instead of the position of the panel.
*
* @param event to process.
*/
protected void processEvent(AWTEvent event) {
try {
if (event instanceof MouseEvent) {
final Point scrollPosition = getScrollPosition();
if (scrollPosition != null) {
final MouseEvent mouseEvent = (MouseEvent) event;
event =
new MouseEvent(
(Component) mouseEvent.getSource(),
mouseEvent.getID(),
mouseEvent.getWhen(),
mouseEvent.getModifiers(),
mouseEvent.getX() + scrollPosition.x,
mouseEvent.getY() + scrollPosition.y,
mouseEvent.getClickCount(),
mouseEvent.isPopupTrigger());
}
}
} catch (final Throwable exp) {
exp.printStackTrace(DjVuOptions.err);
System.gc();
}
super.processEvent(event);
}
public static void main(String[] args) throws Exception {
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final Boolean isNotificationSupported =
AccessController.doPrivileged(
new PrivilegedAction<Boolean>() {
public Boolean run() {
try {
Class cl = Class.forName("sun.management.VMManagementImpl");
Field f = cl.getDeclaredField("gcNotificationSupport");
f.setAccessible(true);
return f.getBoolean(null);
} catch (ClassNotFoundException e) {
return false;
} catch (NoSuchFieldException e) {
return false;
} catch (IllegalAccessException e) {
return false;
}
}
});
if (!isNotificationSupported) {
System.out.println("GC Notification not supported by the JVM, test skipped");
return;
}
final ObjectName gcMXBeanPattern = new ObjectName("java.lang:type=GarbageCollector,*");
Set<ObjectName> names = mbs.queryNames(gcMXBeanPattern, null);
if (names.isEmpty()) throw new Exception("Test incorrect: no GC MXBeans");
number = names.size();
for (ObjectName n : names) {
if (mbs.isInstanceOf(n, "javax.management.NotificationEmitter")) {
listenerInvoked.put(n.getCanonicalName(), null);
GcListener listener = new GcListener();
mbs.addNotificationListener(n, listener, null, null);
}
}
// Invocation of System.gc() to trigger major GC
System.gc();
// Allocation of many short living and small objects to trigger minor GC
Object data[] = new Object[32];
for (int i = 0; i < 100000000; i++) {
data[i % 32] = new int[8];
}
int wakeup = 0;
synchronized (synchronizer) {
while (count != number) {
synchronizer.wait(10000);
wakeup++;
if (wakeup > 10) break;
}
}
for (GarbageCollectionNotificationInfo notif : listenerInvoked.values()) {
checkGarbageCollectionNotificationInfoContent(notif);
}
System.out.println("Test passed");
}
/**
* Called to process scrollbar events.
*
* @param event to process.
*/
public void adjustmentValueChanged(AdjustmentEvent event) {
try {
final Scrollbar hScroll = getScrollbar(Scrollbar.HORIZONTAL);
final Scrollbar vScroll = getScrollbar(Scrollbar.VERTICAL);
final Point scrollPosition = getScrollPosition();
setScrollPosition(
(hScroll != null) ? hScroll.getValue() : scrollPosition.x,
(vScroll != null) ? vScroll.getValue() : scrollPosition.y);
} catch (final Throwable exp) {
exp.printStackTrace(DjVuOptions.err);
System.gc();
}
}
