J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package java.awt; |
| 27 | |
| 28 | import sun.awt.AppContext; |
| 29 | import sun.awt.SunToolkit; |
| 30 | |
| 31 | /** |
| 32 | * A wrapping tag for a nested AWTEvent which indicates that the event was |
| 33 | * sent from another AppContext. The destination AppContext should handle the |
| 34 | * event even if it is currently blocked waiting for a SequencedEvent or |
| 35 | * another SentEvent to be handled. |
| 36 | * |
| 37 | * @author David Mendenhall |
| 38 | */ |
| 39 | class SentEvent extends AWTEvent implements ActiveEvent { |
| 40 | /* |
| 41 | * serialVersionUID |
| 42 | */ |
| 43 | private static final long serialVersionUID = -383615247028828931L; |
| 44 | |
| 45 | static final int ID = |
| 46 | java.awt.event.FocusEvent.FOCUS_LAST + 2; |
| 47 | |
| 48 | boolean dispatched; |
| 49 | private AWTEvent nested; |
| 50 | private AppContext toNotify; |
| 51 | |
| 52 | SentEvent() { |
| 53 | this(null); |
| 54 | } |
| 55 | SentEvent(AWTEvent nested) { |
| 56 | this(nested, null); |
| 57 | } |
| 58 | SentEvent(AWTEvent nested, AppContext toNotify) { |
| 59 | super((nested != null) |
| 60 | ? nested.getSource() |
| 61 | : Toolkit.getDefaultToolkit(), |
| 62 | ID); |
| 63 | this.nested = nested; |
| 64 | this.toNotify = toNotify; |
| 65 | } |
| 66 | |
| 67 | public void dispatch() { |
| 68 | try { |
| 69 | if (nested != null) { |
| 70 | Toolkit.getEventQueue().dispatchEvent(nested); |
| 71 | } |
| 72 | } finally { |
| 73 | dispatched = true; |
| 74 | if (toNotify != null) { |
| 75 | SunToolkit.postEvent(toNotify, new SentEvent()); |
| 76 | } |
| 77 | synchronized (this) { |
| 78 | notifyAll(); |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | final void dispose() { |
| 83 | dispatched = true; |
| 84 | if (toNotify != null) { |
| 85 | SunToolkit.postEvent(toNotify, new SentEvent()); |
| 86 | } |
| 87 | synchronized (this) { |
| 88 | notifyAll(); |
| 89 | } |
| 90 | } |
| 91 | } |