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      1 /*
      2  * Copyright (C) 2011 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.calllog;
     18 
     19 import android.content.res.Resources;
     20 import android.provider.CallLog.Calls;
     21 import android.telephony.PhoneNumberUtils;
     22 import android.text.TextUtils;
     23 
     24 import com.android.dialer.R;
     25 
     26 /**
     27  * Helper for formatting and managing phone numbers.
     28  */
     29 public class PhoneNumberHelper {
     30     private final Resources mResources;
     31 
     32     public PhoneNumberHelper(Resources resources) {
     33         mResources = resources;
     34     }
     35 
     36     /* package */ CharSequence getDisplayName(CharSequence number, int presentation) {
     37         if (presentation == Calls.PRESENTATION_UNKNOWN) {
     38             return mResources.getString(R.string.unknown);
     39         }
     40         if (presentation == Calls.PRESENTATION_RESTRICTED) {
     41             return mResources.getString(R.string.private_num);
     42         }
     43         if (presentation == Calls.PRESENTATION_PAYPHONE) {
     44             return mResources.getString(R.string.payphone);
     45         }
     46         if (new PhoneNumberUtilsWrapper().isVoicemailNumber(number)) {
     47             return mResources.getString(R.string.voicemail);
     48         }
     49         if (PhoneNumberUtilsWrapper.isLegacyUnknownNumbers(number)) {
     50             return mResources.getString(R.string.unknown);
     51         }
     52         return "";
     53     }
     54 
     55     /**
     56      * Returns the string to display for the given phone number.
     57      *
     58      * @param number the number to display
     59      * @param formattedNumber the formatted number if available, may be null
     60      */
     61     public CharSequence getDisplayNumber(CharSequence number,
     62             int presentation, CharSequence formattedNumber) {
     63 
     64         final CharSequence displayName = getDisplayName(number, presentation);
     65 
     66         if (!TextUtils.isEmpty(displayName)) {
     67             return displayName;
     68         }
     69 
     70         if (TextUtils.isEmpty(number)) {
     71             return "";
     72         }
     73 
     74         if (TextUtils.isEmpty(formattedNumber)) {
     75             return number;
     76         } else {
     77             return formattedNumber;
     78         }
     79     }
     80 }
     81