1/*
2 * Copyright (C) 2010 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
17package com.android.browser;
18
19import android.webkit.WebHistoryItem;
20
21/**
22 * Interface to receive notifications when items are added to the
23 * {@link android.webkit.WebBackForwardList}.
24 */
25public abstract class WebBackForwardListClient {
26
27    /**
28     * Notify the client that <var>item</var> has been added to the
29     * WebBackForwardList.
30     * @param item The newly created WebHistoryItem
31     */
32    public void onNewHistoryItem(WebHistoryItem item) { }
33
34    /**
35     * Notify the client that the <var>item</var> at <var>index</var> is now
36     * the current history item.
37     * @param item A WebHistoryItem
38     * @param index The new history index
39     */
40    public void onIndexChanged(WebHistoryItem item, int index) { }
41}
42