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| 1 | /* | ||
| 2 | * Copyright (c) 2000, 2007, Oracle and/or its affiliates. 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * 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 | } | ||