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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 com.android.quicksearchbox;
     18 
     19 import java.util.ArrayList;
     20 
     21 /**
     22  * A promoter that does some promotion or filtering and then delegates
     23  * to another promoter.
     24  */
     25 public class PromoterWrapper implements Promoter {
     26 
     27     /** The next promoter to use. */
     28     private final Promoter mNextPromoter;
     29 
     30     /**
     31      * Creates a new AbstractPromoterWrapper.
     32      *
     33      * @param nextPromoter The next promoter to use. May be {@code null}.
     34      */
     35     public PromoterWrapper(Promoter nextPromoter) {
     36         mNextPromoter = nextPromoter;
     37     }
     38 
     39     public void pickPromoted(SuggestionCursor shortcuts,
     40             ArrayList<CorpusResult> suggestions, int maxPromoted,
     41             ListSuggestionCursor promoted) {
     42         if (promoted.getCount() < maxPromoted && mNextPromoter != null) {
     43             mNextPromoter.pickPromoted(shortcuts, suggestions, maxPromoted, promoted);
     44         }
     45     }
     46 
     47 }
     48