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.html; 16 17 import java.io.Serializable; 18 19 /** 20 * Implementations of this interface receive notifications of changes to the DOM structure. 21 * 22 * @author Ahmed Ashour 23 * @see DomChangeEvent 24 */ 25 public interface DomChangeListener extends Serializable { 26 27 /** 28 * Notification that a new node was added. Called after the node is added. 29 * 30 * @param event the node addition event 31 */ 32 void nodeAdded(DomChangeEvent event); 33 34 /** 35 * Notification that a new node was deleted. Called after the node is deleted. 36 * 37 * @param event the node deletion event 38 */ 39 void nodeDeleted(DomChangeEvent event); 40 41 }