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