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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.performance;
16  
17  import org.htmlunit.corejs.javascript.Scriptable;
18  import org.htmlunit.javascript.HtmlUnitScriptable;
19  import org.htmlunit.javascript.JavaScriptEngine;
20  import org.htmlunit.javascript.configuration.JsxClass;
21  import org.htmlunit.javascript.configuration.JsxConstant;
22  import org.htmlunit.javascript.configuration.JsxConstructor;
23  import org.htmlunit.javascript.configuration.JsxFunction;
24  import org.htmlunit.javascript.configuration.JsxGetter;
25  
26  /**
27   * A JavaScript object for {@code PerformanceNavigation}.
28   *
29   * @author Ahmed Ashour
30   * @author Ronald Brill
31   */
32  @JsxClass
33  public class PerformanceNavigation extends HtmlUnitScriptable {
34  
35      // private static final Log LOG = LogFactory.getLog(PerformanceNavigation.class);
36  
37      /** Navigate. */
38      @JsxConstant
39      public static final int TYPE_NAVIGATE = 0;
40  
41      /** Reload. */
42      @JsxConstant
43      public static final int TYPE_RELOAD = 1;
44  
45      /** Back forward. */
46      @JsxConstant
47      public static final int TYPE_BACK_FORWARD = 2;
48  
49      /** Reserved. */
50      @JsxConstant
51      public static final int TYPE_RESERVED = 255;
52  
53      /**
54       * JavaScript constructor.
55       */
56      @JsxConstructor
57      public void jsConstructor() {
58          // nothing to do
59      }
60  
61      /**
62       * Returns the {@code type} property.
63       * @return the {@code type} property
64       */
65      @JsxGetter
66      public int getType() {
67          return TYPE_NAVIGATE;
68      }
69  
70      /**
71       * Returns the {@code redirectCount} property.
72       * @return the {@code redirectCount} property
73       */
74      @JsxGetter
75      public int getRedirectCount() {
76          return 0;
77      }
78  
79      /**
80       * The {@code toJSON} function.
81       * @return the {@code toJSON} object
82       */
83      @JsxFunction
84      public Scriptable toJSON() {
85          final Scriptable json = JavaScriptEngine.newObject(getParentScope());
86          json.put("type", json, getType());
87          json.put("redirectCount", json, getRedirectCount());
88  
89          return json;
90      }
91  
92  }