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.contacts.calllog; 18 19 import com.android.contacts.R; 20 import com.android.internal.telephony.CallerInfo; 21 22 import android.content.res.Resources; 23 import android.net.Uri; 24 import android.telephony.PhoneNumberUtils; 25 import android.text.TextUtils; 26 27 /** 28 * Helper for formatting and managing phone numbers. 29 */ 30 public class PhoneNumberHelper { 31 private final Resources mResources; 32 private final String mVoicemailNumber; 33 PhoneNumberHelper(Resources resources, String voicemailNumber)34 public PhoneNumberHelper(Resources resources, String voicemailNumber) { 35 mResources = resources; 36 mVoicemailNumber = voicemailNumber; 37 } 38 39 /** Returns true if it is possible to place a call to the given number. */ canPlaceCallsTo(CharSequence number)40 public boolean canPlaceCallsTo(CharSequence number) { 41 return !(TextUtils.isEmpty(number) 42 || number.equals(CallerInfo.UNKNOWN_NUMBER) 43 || number.equals(CallerInfo.PRIVATE_NUMBER) 44 || number.equals(CallerInfo.PAYPHONE_NUMBER)); 45 } 46 47 /** Returns true if it is possible to send an SMS to the given number. */ canSendSmsTo(CharSequence number)48 public boolean canSendSmsTo(CharSequence number) { 49 return canPlaceCallsTo(number) && !isVoicemailNumber(number) && !isSipNumber(number); 50 } 51 52 /** 53 * Returns the string to display for the given phone number. 54 * 55 * @param number the number to display 56 * @param formattedNumber the formatted number if available, may be null 57 */ getDisplayNumber(CharSequence number, CharSequence formattedNumber)58 public CharSequence getDisplayNumber(CharSequence number, CharSequence formattedNumber) { 59 if (TextUtils.isEmpty(number)) { 60 return ""; 61 } 62 if (number.equals(CallerInfo.UNKNOWN_NUMBER)) { 63 return mResources.getString(R.string.unknown); 64 } 65 if (number.equals(CallerInfo.PRIVATE_NUMBER)) { 66 return mResources.getString(R.string.private_num); 67 } 68 if (number.equals(CallerInfo.PAYPHONE_NUMBER)) { 69 return mResources.getString(R.string.payphone); 70 } 71 if (PhoneNumberUtils.extractNetworkPortion(number.toString()).equals(mVoicemailNumber)) { 72 return mResources.getString(R.string.voicemail); 73 } 74 if (TextUtils.isEmpty(formattedNumber)) { 75 return number; 76 } else { 77 return formattedNumber; 78 } 79 } 80 81 /** Returns a URI that can be used to place a call to this number. */ getCallUri(String number)82 public Uri getCallUri(String number) { 83 if (isVoicemailNumber(number)) { 84 return Uri.parse("voicemail:x"); 85 } 86 if (isSipNumber(number)) { 87 return Uri.fromParts("sip", number, null); 88 } 89 return Uri.fromParts("tel", number, null); 90 } 91 92 /** Returns true if the given number is the number of the configured voicemail. */ isVoicemailNumber(CharSequence number)93 public boolean isVoicemailNumber(CharSequence number) { 94 return PhoneNumberUtils.extractNetworkPortion(number.toString()).equals(mVoicemailNumber); 95 } 96 97 /** Returns true if the given number is a SIP address. */ isSipNumber(CharSequence number)98 public boolean isSipNumber(CharSequence number) { 99 return PhoneNumberUtils.isUriNumber(number.toString()); 100 } 101 } 102