jdk/src/share/classes/java/awt/SentEvent.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/awt/SentEvent.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2000-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+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();
+        }
+    }
+}