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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 | +} | |