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 17package com.android.dialer.calllog; 18 19import android.provider.CallLog; 20import android.telephony.PhoneNumberUtils; 21import android.text.TextUtils; 22 23import com.android.contacts.common.util.PhoneNumberHelper; 24 25import com.google.common.collect.Sets; 26 27import java.util.Set; 28 29/** 30 * 31 */ 32public class PhoneNumberUtilsWrapper { 33 public static final PhoneNumberUtilsWrapper INSTANCE = new PhoneNumberUtilsWrapper(); 34 private static final Set<String> LEGACY_UNKNOWN_NUMBERS = Sets.newHashSet("-1", "-2", "-3"); 35 36 /** Returns true if it is possible to place a call to the given number. */ 37 public static boolean canPlaceCallsTo(CharSequence number, int presentation) { 38 return presentation == CallLog.Calls.PRESENTATION_ALLOWED 39 && !TextUtils.isEmpty(number) && !isLegacyUnknownNumbers(number); 40 } 41 42 /** 43 * Returns true if it is possible to send an SMS to the given number. 44 */ 45 public boolean canSendSmsTo(CharSequence number, int presentation) { 46 return canPlaceCallsTo(number, presentation) && !isVoicemailNumber(number) && !isSipNumber( 47 number); 48 } 49 50 /** 51 * Returns true if the given number is the number of the configured voicemail. To be able to 52 * mock-out this, it is not a static method. 53 */ 54 public boolean isVoicemailNumber(CharSequence number) { 55 return number!= null && PhoneNumberUtils.isVoiceMailNumber(number.toString()); 56 } 57 58 /** 59 * Returns true if the given number is a SIP address. To be able to mock-out this, it is not a 60 * static method. 61 */ 62 public boolean isSipNumber(CharSequence number) { 63 return number != null && PhoneNumberHelper.isUriNumber(number.toString()); 64 } 65 66 public static boolean isUnknownNumberThatCanBeLookedUp(CharSequence number, int presentation) { 67 if (presentation == CallLog.Calls.PRESENTATION_UNKNOWN) { 68 return false; 69 } 70 if (presentation == CallLog.Calls.PRESENTATION_RESTRICTED) { 71 return false; 72 } 73 if (presentation == CallLog.Calls.PRESENTATION_PAYPHONE) { 74 return false; 75 } 76 if (TextUtils.isEmpty(number)) { 77 return false; 78 } 79 if (INSTANCE.isVoicemailNumber(number)) { 80 return false; 81 } 82 if (isLegacyUnknownNumbers(number)) { 83 return false; 84 } 85 return true; 86 } 87 88 public static boolean isLegacyUnknownNumbers(CharSequence number) { 89 return number != null && LEGACY_UNKNOWN_NUMBERS.contains(number.toString()); 90 } 91} 92