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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       * JavaScript constructor.
36       */
37      @JsxConstructor
38      public void jsConstructor() {
39          // nothing to do
40      }
41  
42      /**
43       * @return the {@code files} property
44       */
45      @JsxGetter
46      public FileList getFiles() {
47          return getItems().getFiles();
48      }
49  
50      /**
51       * @return the {@code items} property
52       */
53      @JsxGetter
54      public DataTransferItemList getItems() {
55          if (items_ == null) {
56              final DataTransferItemList list = new DataTransferItemList();
57              list.setParentScope(getParentScope());
58              list.setPrototype(getPrototype(list.getClass()));
59              items_ = list;
60          }
61          return items_;
62      }
63  }