| /* |
| * Copyright (c) 2003, 2016, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.awt; |
| |
| import java.awt.event.FocusEvent; |
| import java.awt.Component; |
| import java.io.ObjectStreamException; |
| import java.lang.reflect.Field; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| |
| /** |
| * This class exists for deserialization compatibility only. |
| */ |
| class CausedFocusEvent extends FocusEvent { |
| private static final long serialVersionUID = -3647309088427840738L; |
| |
| private enum Cause { |
| UNKNOWN, |
| MOUSE_EVENT, |
| TRAVERSAL, |
| TRAVERSAL_UP, |
| TRAVERSAL_DOWN, |
| TRAVERSAL_FORWARD, |
| TRAVERSAL_BACKWARD, |
| MANUAL_REQUEST, |
| AUTOMATIC_TRAVERSE, |
| ROLLBACK, |
| NATIVE_SYSTEM, |
| ACTIVATION, |
| CLEAR_GLOBAL_FOCUS_OWNER, |
| RETARGETED; |
| }; |
| |
| @SuppressWarnings("serial") |
| private static final Component dummy = new Component(){}; |
| |
| private final Cause cause; |
| |
| private CausedFocusEvent(Component source, int id, boolean temporary, |
| Component opposite, Cause cause) { |
| super(source, id, temporary, opposite); |
| throw new IllegalStateException(); |
| } |
| |
| Object readResolve() throws ObjectStreamException { |
| FocusEvent.Cause newCause; |
| switch (cause) { |
| case UNKNOWN: |
| newCause = FocusEvent.Cause.UNKNOWN; |
| break; |
| case MOUSE_EVENT: |
| newCause = FocusEvent.Cause.MOUSE_EVENT; |
| break; |
| case TRAVERSAL: |
| newCause = FocusEvent.Cause.TRAVERSAL; |
| break; |
| case TRAVERSAL_UP: |
| newCause = FocusEvent.Cause.TRAVERSAL_UP; |
| break; |
| case TRAVERSAL_DOWN: |
| newCause = FocusEvent.Cause.TRAVERSAL_DOWN; |
| break; |
| case TRAVERSAL_FORWARD: |
| newCause = FocusEvent.Cause.TRAVERSAL_FORWARD; |
| break; |
| case TRAVERSAL_BACKWARD: |
| newCause = FocusEvent.Cause.TRAVERSAL_BACKWARD; |
| break; |
| case ROLLBACK: |
| newCause = FocusEvent.Cause.ROLLBACK; |
| break; |
| case NATIVE_SYSTEM: |
| newCause = FocusEvent.Cause.UNEXPECTED; |
| break; |
| case ACTIVATION: |
| newCause = FocusEvent.Cause.ACTIVATION; |
| break; |
| case CLEAR_GLOBAL_FOCUS_OWNER: |
| newCause = FocusEvent.Cause.CLEAR_GLOBAL_FOCUS_OWNER; |
| break; |
| default: |
| newCause = FocusEvent.Cause.UNKNOWN; |
| } |
| |
| FocusEvent focusEvent = new FocusEvent(dummy, getID(), isTemporary(), |
| getOppositeComponent(), newCause); |
| focusEvent.setSource(null); |
| try { |
| final Field consumedField = FocusEvent.class.getField("consumed"); |
| AccessController.doPrivileged(new PrivilegedAction<Object>() { |
| @Override |
| public Object run() { |
| consumedField.setAccessible(true); |
| try { |
| consumedField.set(focusEvent, consumed); |
| } catch (IllegalAccessException e) { |
| } |
| return null; |
| } |
| }); |
| } catch (NoSuchFieldException e) { |
| } |
| |
| AWTAccessor.AWTEventAccessor accessor = |
| AWTAccessor.getAWTEventAccessor(); |
| accessor.setBData(focusEvent, accessor.getBData(this)); |
| return focusEvent; |
| } |
| } |