/*
 * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package java.awt;

import sun.awt.AppContext;
import sun.awt.SunToolkit;

/**
 * A wrapping tag for a nested AWTEvent which indicates that the event was
 * sent from another AppContext. The destination AppContext should handle the
 * event even if it is currently blocked waiting for a SequencedEvent or
 * another SentEvent to be handled.
 *
 * @author David Mendenhall
 */
class SentEvent extends AWTEvent implements ActiveEvent {
 /*
 * serialVersionUID
 */
 private static final long serialVersionUID = -383615247028828931L;

 static final int ID =
 java.awt.event.FocusEvent.FOCUS_LAST + 2;

 boolean dispatched;
 private AWTEvent nested;
 private AppContext toNotify;

 SentEvent() {
 this(null);
 }
 SentEvent(AWTEvent nested) {
 this(nested, null);
 }
 SentEvent(AWTEvent nested, AppContext toNotify) {
 super((nested != null)
 ? nested.getSource()
 : Toolkit.getDefaultToolkit(),
 ID);
 this.nested = nested;
 this.toNotify = toNotify;
 }

 public void dispatch() {
 try {
 if (nested != null) {
 Toolkit.getEventQueue().dispatchEvent(nested);
 }
 } finally {
 dispatched = true;
 if (toNotify != null) {
 SunToolkit.postEvent(toNotify, new SentEvent());
 }
 synchronized (this) {
 notifyAll();
 }
 }
 }
 final void dispose() {
 dispatched = true;
 if (toNotify != null) {
 SunToolkit.postEvent(toNotify, new SentEvent());
 }
 synchronized (this) {
 notifyAll();
 }
 }
}