1/*
2 * Copyright (C) 2024 The Android Open Source Project
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 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17import {UiPropertyTreeNode} from 'viewers/common/ui_property_tree_node';
18import {AddDiffs} from './add_diffs';
19import {DiffType} from './diff_type';
20
21export class AddDiffsPropertiesTree extends AddDiffs<UiPropertyTreeNode> {
22  protected override addDiffsToNewRoot = false;
23
24  protected override processOldNode(oldNode: UiPropertyTreeNode): void {
25    //do nothing
26  }
27
28  protected override processModifiedNodes(
29    newNode: UiPropertyTreeNode,
30    oldNode: UiPropertyTreeNode,
31  ): void {
32    newNode.setDiff(DiffType.MODIFIED);
33    newNode.setOldValue(
34      oldNode.formattedValue() !== '' ? oldNode.formattedValue() : 'null',
35    );
36  }
37}
38