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 
17 package com.android.browser;
18 
19 import android.webkit.WebHistoryItem;
20 
21 /**
22  * Interface to receive notifications when items are added to the
23  * {@link android.webkit.WebBackForwardList}.
24  */
25 public 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      */
onNewHistoryItem(WebHistoryItem item)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      */
onIndexChanged(WebHistoryItem item, int index)40     public void onIndexChanged(WebHistoryItem item, int index) { }
41 }
42