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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.draganddrop;
16  
17  import org.htmlunit.javascript.HtmlUnitScriptable;
18  import org.htmlunit.javascript.configuration.JsxClass;
19  import org.htmlunit.javascript.configuration.JsxConstructor;
20  import org.htmlunit.javascript.configuration.JsxGetter;
21  import org.htmlunit.javascript.host.file.FileList;
22  
23  /**
24   * A JavaScript object for {@code DataTransfer}.
25   *
26   * @author Ahmed Ashour
27   * @author Ronald Brill
28   */
29  @JsxClass
30  public class DataTransfer extends HtmlUnitScriptable {
31  
32      private DataTransferItemList items_;
33  
34      /**
35       * Ctor.
36       */
37      public DataTransfer() {
38          super();
39      }
40  
41      /**
42       * JavaScript constructor.
43       */
44      @JsxConstructor
45      public void jsConstructor() {
46          // nothing to do
47      }
48  
49      /**
50       * @return the {@code files} property
51       */
52      @JsxGetter
53      public FileList getFiles() {
54          return getItems().getFiles();
55      }
56  
57      /**
58       * @return the {@code items} property
59       */
60      @JsxGetter
61      public DataTransferItemList getItems() {
62          if (items_ == null) {
63              final DataTransferItemList list = new DataTransferItemList();
64              list.setParentScope(getParentScope());
65              list.setPrototype(getPrototype(list.getClass()));
66              items_ = list;
67          }
68          return items_;
69      }
70  }