/*
* Copyright (c) 2002-2018 Gargoyle Software Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.gargoylesoftware.htmlunit;
/**
* A handler for <tt>onbeforeunload</tt> events.
*
* @author Ahmed Ashour
*/
public interface
OnbeforeunloadHandler {
/**
* Handles an <tt>onbeforeunload</tt> event for the specified page.
* @param page the page on which the event occurred
* @param returnValue the event's <tt>returnValue</tt>
* @return {@code true} to accept the event, {@code false} otherwise
*/
boolean
handleEvent(
Page page,
String returnValue);
}