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.telephony.PhoneNumberUtils; 21 import android.text.TextUtils; 22 23 import com.android.dialer.R; 24 import com.android.internal.telephony.CallerInfo; 25 26 /** 27 * Helper for formatting and managing phone numbers. 28 */ 29 public class PhoneNumberHelper { 30 private final Resources mResources; 31 PhoneNumberHelper(Resources resources)32 public PhoneNumberHelper(Resources resources) { 33 mResources = resources; 34 } 35 36 /** Returns true if it is possible to place a call to the given number. */ canPlaceCallsTo(CharSequence number)37 public boolean canPlaceCallsTo(CharSequence number) { 38 return !(TextUtils.isEmpty(number) 39 || number.equals(CallerInfo.UNKNOWN_NUMBER) 40 || number.equals(CallerInfo.PRIVATE_NUMBER) 41 || number.equals(CallerInfo.PAYPHONE_NUMBER)); 42 } 43 44 /** Returns true if it is possible to send an SMS to the given number. */ canSendSmsTo(CharSequence number)45 public boolean canSendSmsTo(CharSequence number) { 46 return canPlaceCallsTo(number) && !isVoicemailNumber(number) && !isSipNumber(number); 47 } 48 49 /** 50 * Returns the string to display for the given phone number. 51 * 52 * @param number the number to display 53 * @param formattedNumber the formatted number if available, may be null 54 */ getDisplayNumber(CharSequence number, CharSequence formattedNumber)55 public CharSequence getDisplayNumber(CharSequence number, CharSequence formattedNumber) { 56 if (TextUtils.isEmpty(number)) { 57 return ""; 58 } 59 if (number.equals(CallerInfo.UNKNOWN_NUMBER)) { 60 return mResources.getString(R.string.unknown); 61 } 62 if (number.equals(CallerInfo.PRIVATE_NUMBER)) { 63 return mResources.getString(R.string.private_num); 64 } 65 if (number.equals(CallerInfo.PAYPHONE_NUMBER)) { 66 return mResources.getString(R.string.payphone); 67 } 68 if (isVoicemailNumber(number)) { 69 return mResources.getString(R.string.voicemail); 70 } 71 if (TextUtils.isEmpty(formattedNumber)) { 72 return number; 73 } else { 74 return formattedNumber; 75 } 76 } 77 78 /** 79 * Returns true if the given number is the number of the configured voicemail. 80 * To be able to mock-out this, it is not a static method. 81 */ isVoicemailNumber(CharSequence number)82 public boolean isVoicemailNumber(CharSequence number) { 83 return PhoneNumberUtils.isVoiceMailNumber(number.toString()); 84 } 85 86 /** 87 * Returns true if the given number is a SIP address. 88 * To be able to mock-out this, it is not a static method. 89 */ isSipNumber(CharSequence number)90 public boolean isSipNumber(CharSequence number) { 91 return PhoneNumberUtils.isUriNumber(number.toString()); 92 } 93 } 94