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