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      1 /*
      2  * Copyright (C) 2012 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.dialer.dialpad;
     18 
     19 import android.util.Log;
     20 
     21 import java.util.ArrayList;
     22 
     23 /**
     24  * Stores information about a range of characters matched in a display name The integers
     25  * start and end indicate that the range start to end (exclusive) correspond to some characters
     26  * in the query. Used to highlight certain parts of the contact's display name to indicate that
     27  * those ranges matched the user's query.
     28  */
     29 public class SmartDialMatchPosition {
     30     private static final String TAG = SmartDialMatchPosition.class.getSimpleName();
     31 
     32     public int start;
     33     public int end;
     34 
     35     public SmartDialMatchPosition(int start, int end) {
     36         this.start = start;
     37         this.end = end;
     38     }
     39 
     40     private void advance(int toAdvance) {
     41         this.start += toAdvance;
     42         this.end += toAdvance;
     43     }
     44 
     45     /**
     46      * Used by {@link SmartDialNameMatcher} to advance the positions of a match position found in
     47      * a sub query.
     48      *
     49      * @param inList ArrayList of SmartDialMatchPositions to modify.
     50      * @param toAdvance Offset to modify by.
     51      */
     52     public static void advanceMatchPositions(ArrayList<SmartDialMatchPosition> inList,
     53             int toAdvance) {
     54         for (int i = 0; i < inList.size(); i++) {
     55             inList.get(i).advance(toAdvance);
     56         }
     57     }
     58 
     59     /**
     60      * Used mainly for debug purposes. Displays contents of an ArrayList of SmartDialMatchPositions.
     61      *
     62      * @param list ArrayList of SmartDialMatchPositions to print out in a human readable fashion.
     63      */
     64     public static void print(ArrayList<SmartDialMatchPosition> list) {
     65         for (int i = 0; i < list.size(); i ++) {
     66             SmartDialMatchPosition m = list.get(i);
     67             Log.d(TAG, "[" + m.start + "," + m.end + "]");
     68         }
     69     }
     70 }
     71