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. */ canPlaceCallsTo(CharSequence number, int presentation)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 */ canSendSmsTo(CharSequence number, int presentation)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 */ isVoicemailNumber(CharSequence number)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 */ isSipNumber(CharSequence number)60 public boolean isSipNumber(CharSequence number) { 61 return number != null && PhoneNumberUtils.isUriNumber(number.toString()); 62 } 63 isUnknownNumberThatCanBeLookedUp(CharSequence number, int presentation)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 isLegacyUnknownNumbers(CharSequence number)86 public static boolean isLegacyUnknownNumbers(CharSequence number) { 87 return number != null && LEGACY_UNKNOWN_NUMBERS.contains(number.toString()); 88 } 89 } 90