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.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 @JsxClass(domClass = HtmlProgress.class)
33 public class HTMLProgressElement extends HTMLElement {
34
35 /** "Live" labels collection; has to be a member to have equality (==) working. */
36 private NodeList labels_;
37
38 /**
39 * JavaScript constructor.
40 */
41 @Override
42 @JsxConstructor
43 public void jsConstructor() {
44 super.jsConstructor();
45 }
46
47 /**
48 * The getter for the "value" property.
49 * @return the value
50 */
51 @JsxGetter
52 @Override
53 public Double getValue() {
54 return getAttributeAsDouble(DomElement.VALUE_ATTRIBUTE, 0);
55 }
56
57 /**
58 * The getter for the "max" property.
59 * @return the value
60 */
61 @JsxGetter
62 public double getMax() {
63 return getAttributeAsDouble("max", 1);
64 }
65
66 private double getAttributeAsDouble(final String attributeName, final double defaultValue) {
67 try {
68 return Double.parseDouble(getDomNodeOrDie().getAttribute(attributeName));
69 }
70 catch (final NumberFormatException e) {
71 return defaultValue;
72 }
73 }
74
75 /**
76 * Returns the labels associated with the element.
77 * @return the labels associated with the element
78 */
79 @JsxGetter
80 public NodeList getLabels() {
81 if (labels_ == null) {
82 labels_ = new LabelsNodeList(getDomNodeOrDie());
83 }
84 return labels_;
85 }
86
87 }