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.util; 18 19import android.content.Context; 20import android.provider.CallLog; 21import android.telecom.PhoneAccountHandle; 22import android.telecom.TelecomManager; 23import android.text.TextUtils; 24import android.util.Log; 25import android.util.Pair; 26 27import com.android.contacts.common.util.PhoneNumberHelper; 28import com.google.common.collect.Sets; 29 30import java.util.HashMap; 31import java.util.Map; 32import java.util.Set; 33 34public class PhoneNumberUtil { 35 private static final Set<String> LEGACY_UNKNOWN_NUMBERS = Sets.newHashSet("-1", "-2", "-3"); 36 37 /** Returns true if it is possible to place a call to the given number. */ 38 public static boolean canPlaceCallsTo(CharSequence number, int presentation) { 39 return presentation == CallLog.Calls.PRESENTATION_ALLOWED 40 && !TextUtils.isEmpty(number) && !isLegacyUnknownNumbers(number); 41 } 42 43 /** 44 * Returns true if the given number is the number of the configured voicemail. To be able to 45 * mock-out this, it is not a static method. 46 */ 47 public static boolean isVoicemailNumber( 48 Context context, PhoneAccountHandle accountHandle, CharSequence number) { 49 if (TextUtils.isEmpty(number)) { 50 return false; 51 } 52 53 final TelecomManager telecomManager = 54 (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE); 55 return telecomManager.isVoiceMailNumber(accountHandle, 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 static boolean isSipNumber(CharSequence number) { 63 return number != null && PhoneNumberHelper.isUriNumber(number.toString()); 64 } 65 66 public static boolean isUnknownNumberThatCanBeLookedUp( 67 Context context, 68 PhoneAccountHandle accountHandle, 69 CharSequence number, 70 int presentation) { 71 if (presentation == CallLog.Calls.PRESENTATION_UNKNOWN) { 72 return false; 73 } 74 if (presentation == CallLog.Calls.PRESENTATION_RESTRICTED) { 75 return false; 76 } 77 if (presentation == CallLog.Calls.PRESENTATION_PAYPHONE) { 78 return false; 79 } 80 if (TextUtils.isEmpty(number)) { 81 return false; 82 } 83 if (isVoicemailNumber(context, accountHandle, number)) { 84 return false; 85 } 86 if (isLegacyUnknownNumbers(number)) { 87 return false; 88 } 89 return true; 90 } 91 92 public static boolean isLegacyUnknownNumbers(CharSequence number) { 93 return number != null && LEGACY_UNKNOWN_NUMBERS.contains(number.toString()); 94 } 95} 96