1 /*
2 * Copyright (c) 2002-2025 Gargoyle Software Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 * https://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 package org.htmlunit.javascript.host.event;
16
17 import org.htmlunit.corejs.javascript.Scriptable;
18 import org.htmlunit.corejs.javascript.ScriptableObject;
19 import org.htmlunit.javascript.JavaScriptEngine;
20 import org.htmlunit.javascript.configuration.JsxClass;
21 import org.htmlunit.javascript.configuration.JsxConstructor;
22 import org.htmlunit.javascript.configuration.JsxGetter;
23
24 /**
25 * A JavaScript object for {@code PopStateEvent}.
26 *
27 * @author Ahmed Ashour
28 * @author Adam Afeltowicz
29 * @author Ronald Brill
30 */
31 @JsxClass
32 public class PopStateEvent extends Event {
33
34 private Object state_;
35
36 /**
37 * Default constructor.
38 */
39 public PopStateEvent() {
40 super("");
41 }
42
43 /**
44 * {@inheritDoc}
45 */
46 @Override
47 @JsxConstructor
48 public void jsConstructor(final String type, final ScriptableObject details) {
49 super.jsConstructor(type, details);
50
51 if (details != null && !JavaScriptEngine.isUndefined(details)) {
52 state_ = details.get("state");
53 }
54 }
55
56 /**
57 * Creates a new event instance.
58 *
59 * @param target the event target
60 * @param type the event type
61 * @param state the state object
62 */
63 public PopStateEvent(final EventTarget target, final String type, final Object state) {
64 super(target, type);
65 state_ = state;
66 }
67
68 /**
69 * Return the state object.
70 * @return the state object
71 */
72 @JsxGetter
73 public Object getState() {
74 return state_;
75 }
76
77 /**
78 * {@inheritDoc}
79 */
80 @Override
81 public void put(final String name, final Scriptable start, final Object value) {
82 if (!"state".equals(name)) {
83 super.put(name, start, value);
84 }
85 }
86 }