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      1 /*
      2  * Copyright (C) 2013 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.provider.CallLog;
     20 import android.telephony.PhoneNumberUtils;
     21 import android.text.TextUtils;
     22 
     23 import com.google.common.collect.Sets;
     24 
     25 import java.util.Set;
     26 
     27 /**
     28  *
     29  */
     30 public class PhoneNumberUtilsWrapper {
     31     public static final PhoneNumberUtilsWrapper INSTANCE = new PhoneNumberUtilsWrapper();
     32     private static final Set<String> LEGACY_UNKNOWN_NUMBERS = Sets.newHashSet("-1", "-2", "-3");
     33 
     34     /** Returns true if it is possible to place a call to the given number. */
     35     public static boolean canPlaceCallsTo(CharSequence number, int presentation) {
     36         return presentation == CallLog.Calls.PRESENTATION_ALLOWED
     37             && !TextUtils.isEmpty(number) && !isLegacyUnknownNumbers(number);
     38     }
     39 
     40     /**
     41      * Returns true if it is possible to send an SMS to the given number.
     42      */
     43     public boolean canSendSmsTo(CharSequence number, int presentation) {
     44         return canPlaceCallsTo(number, presentation) && !isVoicemailNumber(number) && !isSipNumber(
     45                 number);
     46     }
     47 
     48     /**
     49      * Returns true if the given number is the number of the configured voicemail. To be able to
     50      * mock-out this, it is not a static method.
     51      */
     52     public boolean isVoicemailNumber(CharSequence number) {
     53         return number!= null && PhoneNumberUtils.isVoiceMailNumber(number.toString());
     54     }
     55 
     56     /**
     57      * Returns true if the given number is a SIP address. To be able to mock-out this, it is not a
     58      * static method.
     59      */
     60     public boolean isSipNumber(CharSequence number) {
     61         return number != null && PhoneNumberUtils.isUriNumber(number.toString());
     62     }
     63 
     64     public static boolean isUnknownNumberThatCanBeLookedUp(CharSequence number, int presentation) {
     65         if (presentation == CallLog.Calls.PRESENTATION_UNKNOWN) {
     66             return false;
     67         }
     68         if (presentation == CallLog.Calls.PRESENTATION_RESTRICTED) {
     69             return false;
     70         }
     71         if (presentation == CallLog.Calls.PRESENTATION_PAYPHONE) {
     72             return false;
     73         }
     74         if (TextUtils.isEmpty(number)) {
     75             return false;
     76         }
     77         if (INSTANCE.isVoicemailNumber(number)) {
     78             return false;
     79         }
     80         if (isLegacyUnknownNumbers(number)) {
     81             return false;
     82         }
     83         return true;
     84     }
     85 
     86     public static boolean isLegacyUnknownNumbers(CharSequence number) {
     87         return number != null && LEGACY_UNKNOWN_NUMBERS.contains(number.toString());
     88     }
     89 }
     90