1 /*
2 * Copyright (c) 2002-2026 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.html;
16
17 import org.htmlunit.html.DomElement;
18 import org.htmlunit.html.HtmlProgress;
19 import org.htmlunit.javascript.configuration.JsxClass;
20 import org.htmlunit.javascript.configuration.JsxConstructor;
21 import org.htmlunit.javascript.configuration.JsxGetter;
22 import org.htmlunit.javascript.host.dom.NodeList;
23
24 /**
25 * The JavaScript object {@code HTMLProgressElement}.
26 *
27 * @author Ahmed Ashour
28 * @author Marc Guillemot
29 * @author Ronald Brill
30 * @author Frank Danek
31 *
32 * @see <a href="https://developer.mozilla.org/en-US/docs/Web/API/HTMLProgressElement">MDN Documentation</a>
33 */
34 @JsxClass(domClass = HtmlProgress.class)
35 public class HTMLProgressElement extends HTMLElement {
36
37 /** "Live" labels collection; has to be a member to have equality (==) working. */
38 private NodeList labels_;
39
40 /**
41 * JavaScript constructor.
42 */
43 @Override
44 @JsxConstructor
45 public void jsConstructor() {
46 super.jsConstructor();
47 }
48
49 /**
50 * Returns the {@code value} property.
51 * @return the {@code value} property
52 */
53 @JsxGetter
54 @Override
55 public Double getValue() {
56 return getAttributeAsDouble(DomElement.VALUE_ATTRIBUTE, 0);
57 }
58
59 /**
60 * Returns the {@code max} property.
61 * @return the {@code max} property
62 */
63 @JsxGetter
64 public double getMax() {
65 return getAttributeAsDouble("max", 1);
66 }
67
68 private double getAttributeAsDouble(final String attributeName, final double defaultValue) {
69 try {
70 return Double.parseDouble(getDomNodeOrDie().getAttribute(attributeName));
71 }
72 catch (final NumberFormatException e) {
73 return defaultValue;
74 }
75 }
76
77 /**
78 * Returns the labels associated with the element.
79 * @return the labels associated with the element
80 */
81 @JsxGetter
82 public NodeList getLabels() {
83 if (labels_ == null) {
84 labels_ = new LabelsNodeList(getDomNodeOrDie());
85 }
86 return labels_;
87 }
88
89 }